MVISION Insights: Gold Dragon Widens Olympics Malware Attacks, Gains Permanent Presence on Victims
Technical Articles ID:
KB94906
Last Modified: 9/22/2021
Last Modified: 9/22/2021
Environment
IMPORTANT: This Knowledge Base article discusses a specific threat that is being automatically tracked by MVISION Insights technology. The content is intended for use by MVISION Insights users, but is provided for general knowledge to all customers. Contact us for more information about MVISION Insights.
Summary
McAfee Advanced Threat Research (ATR) recently released a report describing a fileless attack targeting organizations involved with the Pyeongchang Olympics. The attack used a PowerShell implant that established a channel to the attacker's server to gather basic system-level data. What was not determined at that time was what occurred after the attacker gained access to the victim's system.
The McAfee Enterprise ATR Team has now discovered additional implants that are part of an operation to gain persistence for continued data exfiltration and for targeted access. We have named these implants, which appeared in December 2017, Gold Dragon, Brave Prince, Ghost419, and Running Rat, based on phrases in their code.
How to use this article:
- If a Threat Hunting table has been created, use the rules contained to search for malware related to this campaign.
- Review the product detection table and confirm that your environment is at least on the specified content version.
To download the latest content versions, go to the Security Updates page. - Scroll down and review the "Product Countermeasures" section of this article. Consider implementing them if they are not already in place.
- Review
KB91836 - Countermeasures for entry vector threats . - Review KB87843 - Dynamic Application Containment rules and best practices.
- Review KB82925 - Identify what rule corresponds to an Adaptive Threat Protection and Threat Intelligence Exchange event.
This Knowledge Base article discusses a specific threat that is being tracked and the list of IOCs will change over time; check MVISION Insights for the latest IOCs.
Campaign IOC
| Type | Value |
| SHA256 | 0852F2C5741997D8899A34BB95C349D7A9FB7277CD0910656C3CE37A6F11CB88 |
| SHA256 | AE1B32AAC4D8A35E2C62E334B794373C7457EBFAAAB5E5E8E46F3928AF07CDE4 |
| SHA256 | 496841BE8FB9D0042180A2BCCF205E1E0BD0B41C537798265DA7AD8F85CC35A2 |
| SHA256 | 82645E88736E11321774DB7A7B28BD62D4AB133F859ECD35A4B2FA1D471412B7 |
| SHA256 | 9097B372F7F844C430AA8C1B217A50754B28434172D5AF5D992BFCBCE9DFEB4F |
| SHA256 | 0CA12B78644F7E4141083DBB850ACBACBEBFD3CFA17A4849DB844E3F7EF1BEE5 |
| SHA256 | 94AA827A514D7AA70C404EC326EDAAAD4B2B738FFAEA5A66C0C9F246738DF579 |
| SHA256 | 29431DC086499C7EE64236A365615BE5E5C861452F047FFAC5656120ECE59266 |
| SHA256 | 7334209ACE81D67BABBBB37F5A0D2AF24160F637A8559483E14685927DF6B7FA |
| SHA256 | 111AB6AA14EF1F8359C59B43778B76C7BE5CA72DC1372A3603CD5814BFB2850D |
| SHA256 | 2A4D985B72BEE59A02399FF647BBE7F375DE8FBEC0367E87773840A2618B9D17 |
| SHA256 | EE7A9A7589CBBCAC8B6BF1A3D9C5D1C1ADA98E68AC2F43FF93F768661B7E4A85 |
| SHA256 | 98CCF3A463B81A47FDF4275E228A8F2266E613E08BAAE8BDCD098E49851ED49A |
| SHA256 | DE10C1D61C95AB6CFC6B5DFE3EA4BD043CD578EFA8E09D0A8BD63B54912BA950 |
| SHA256 | 90EBA6416F5E1B35C9BF41B4A25AC880C491DD2F10D993D8A65091F1ADF68EE8 |
| SHA256 | 96A976D682B6CCC244485C42F4441F60E9D8779086B00F196F60503615FBFF9F |
| SHA256 | E7A542312EC718300ED9F229AAA60E5E2EC11AAA99387B76ED2E377BFAD8B86E |
| SHA256 | C54837D0B856205BD4AE01887AAE9178F55F16E0E1A1E1FF59BD18DBC8A3DD82 |
| SHA256 | 45BFA1327C2C0118C152C7192ADA429C6D4AE03B8164EBE36AB5BA9A84F5D7AA |
| SHA256 | DB350BB43179F2A43A1330D82F3AFEB900DB5FF5094C2364D0767A3E6B97C854 |
| SHA256 | 2230EDACE3F42A5750F738F28814759B670922F16AA778E97D039D10FE9BAB02 |
| SHA256 | F1A655EFFFEBC46F1E1C1D7FCFDAA9D25DEC73736E547C03450588F4D8EFA3EF |
| SHA256 | 7AA99EBC49A130F07304ED25655862A04CC20CB59D129E1416A7DFA04F7D3E51 |
| SHA256 | 2D018C952ED1F9580DD709BF64C408EDD3FC42B5AACD3B92C9825AC825486A76 |
| SHA256 | 5CBC07895D099CE39A3142025C557B7FAC41D79914535AB7FFC2094809F12A4B |
| SHA256 | 2981E1A1B3C395CEE6E4B9E6C46D062CF6130546B04401D724750E4C8382C863 |
| SHA256 | BF2534B2F059547967BB453D67909921A41C10CDD19C1EC346A193060B094E2E |
| SHA256 | 2DF9E274CE0E71964ACA4183CEC01FB63566A907981A9E7384C0D73F86578FE4 |
| SHA256 | DEE482E5F461A8E531A6A7EA4728535AAFDC4941A8939BC3C55F6CB28C46AD3D |
| URL | http://inkboom.co.kr/host/img/jpg/download.php?filename= |
| URL | http://inkboom.co.kr/host/img/jpg/post.php |
Minimum Content Versions:
| Content Type | Version |
| V2 DAT (VirusScan Enterprise) | 9946 |
| V3 DAT (Endpoint Security) | 4500 |
Detection Summary
| IOC | Scanner | Detection |
| 0852F2C5741997D8899A34BB95C349D7A9FB7277CD0910656C3CE37A6F11CB88 | AVEngine V2 | GenericRXDQ-MK!05C3376DF5D3 |
| AVEngine V3 | GenericRXDQ-MK!05C3376DF5D3 | |
| JTI (ATP Rules) | - | |
| RP Static | - | |
| RP Dynamic | - |
| IOC | Scanner | Detection |
| AE1B32AAC4D8A35E2C62E334B794373C7457EBFAAAB5E5E8E46F3928AF07CDE4 | AVEngine V2 | RDN/Generic.hbg |
| AVEngine V3 | RDN/Generic.hbg | |
| JTI (ATP Rules) | JTI/Suspect.196612!107824f43817 | |
| RP Static | - | |
| RP Dynamic | - |
| IOC | Scanner | Detection |
| 496841BE8FB9D0042180A2BCCF205E1E0BD0B41C537798265DA7AD8F85CC35A2 | AVEngine V2 | GenericRXDO-IO!1083256B95A6 |
| AVEngine V3 | GenericRXDO-IO!1083256B95A6 | |
| JTI (ATP Rules) | JTI/Suspect.196612!1083256b95a6 | |
| RP Static | - | |
| RP Dynamic | - |
| IOC | Scanner | Detection |
| 82645E88736E11321774DB7A7B28BD62D4AB133F859ECD35A4B2FA1D471412B7 | AVEngine V2 | GenericRXDO-IO!1989F0B5C1F3 |
| AVEngine V3 | GenericRXDO-IO!1989F0B5C1F3 | |
| JTI (ATP Rules) | - | |
| RP Static | - | |
| RP Dynamic | - |
| IOC | Scanner | Detection |
| 9097B372F7F844C430AA8C1B217A50754B28434172D5AF5D992BFCBCE9DFEB4F | AVEngine V2 | GenericRXAA-AA!21DE71411ED3 |
| AVEngine V3 | GenericRXAA-AA!21DE71411ED3 | |
| JTI (ATP Rules) | JTI/Suspect.196612!21de71411ed3 | |
| RP Static | - | |
| RP Dynamic | - |
| IOC | Scanner | Detection |
| 0CA12B78644F7E4141083DBB850ACBACBEBFD3CFA17A4849DB844E3F7EF1BEE5 | AVEngine V2 | GenericRXDQ-GM!2BD4380C9AAB |
| AVEngine V3 | GenericRXDQ-GM!2BD4380C9AAB | |
| JTI (ATP Rules) | JTI/Suspect.196612!2bd4380c9aab | |
| RP Static | - | |
| RP Dynamic | - |
| IOC | Scanner | Detection |
| 94AA827A514D7AA70C404EC326EDAAAD4B2B738FFAEA5A66C0C9F246738DF579 | AVEngine V2 | GenericRXDY-OX!33DF74CBB609 |
| AVEngine V3 | GenericRXDY-OX!33DF74CBB609 | |
| JTI (ATP Rules) | JTI/Suspect.196612!33df74cbb609 | |
| RP Static | - | |
| RP Dynamic | - |
| IOC | Scanner | Detection |
| 29431DC086499C7EE64236A365615BE5E5C861452F047FFAC5656120ECE59266 | AVEngine V2 | GenericRXDQ-MK!341381D3AC28 |
| AVEngine V3 | GenericRXDQ-MK!341381D3AC28 | |
| JTI (ATP Rules) | JTI/Suspect.196612!341381d3ac28 | |
| RP Static | - | |
| RP Dynamic | - |
| IOC | Scanner | Detection |
| 7334209ACE81D67BABBBB37F5A0D2AF24160F637A8559483E14685927DF6B7FA | AVEngine V2 | GenericRXDQ-GM!35133C3610CB |
| AVEngine V3 | GenericRXDQ-GM!35133C3610CB | |
| JTI (ATP Rules) | JTI/Suspect.196612!35133c3610cb | |
| RP Static | - | |
| RP Dynamic | - |
| IOC | Scanner | Detection |
| 111AB6AA14EF1F8359C59B43778B76C7BE5CA72DC1372A3603CD5814BFB2850D | AVEngine V2 | RDN/Generic.hbg |
| AVEngine V3 | RDN/Generic.hbg | |
| JTI (ATP Rules) | JTI/Suspect.196612!42b9f65fda3c | |
| RP Static | - | |
| RP Dynamic | - |
| IOC | Scanner | Detection |
| 2A4D985B72BEE59A02399FF647BBE7F375DE8FBEC0367E87773840A2618B9D17 | AVEngine V2 | GenericRXDQ-MK!8A0467AB4ADB |
| AVEngine V3 | GenericRXDQ-MK!8A0467AB4ADB | |
| JTI (ATP Rules) | JTI/Suspect.196612!8a0467ab4adb | |
| RP Static | - | |
| RP Dynamic | - |
| IOC | Scanner | Detection |
| EE7A9A7589CBBCAC8B6BF1A3D9C5D1C1ADA98E68AC2F43FF93F768661B7E4A85 | AVEngine V2 | RDN/Generic.hra |
| AVEngine V3 | RDN/Generic.hra | |
| JTI (ATP Rules) | JTI/Suspect.196612!8be90fc18186 | |
| RP Static | - | |
| RP Dynamic | - |
| IOC | Scanner | Detection |
| 98CCF3A463B81A47FDF4275E228A8F2266E613E08BAAE8BDCD098E49851ED49A | AVEngine V2 | GenericRXDY-OX!92001E9CEBEC |
| AVEngine V3 | GenericRXDY-OX!92001E9CEBEC | |
| JTI (ATP Rules) | JTI/Suspect.196612!92001e9cebec | |
| RP Static | - | |
| RP Dynamic | - |
| IOC | Scanner | Detection |
| DE10C1D61C95AB6CFC6B5DFE3EA4BD043CD578EFA8E09D0A8BD63B54912BA950 | AVEngine V2 | Generic trojan.qe |
| AVEngine V3 | Generic trojan.qe | |
| JTI (ATP Rules) | JTI/Suspect.196612!ebaf83302dc7 | |
| RP Static | - | |
| RP Dynamic | - |
| IOC | Scanner | Detection |
| 90EBA6416F5E1B35C9BF41B4A25AC880C491DD2F10D993D8A65091F1ADF68EE8 | AVEngine V2 | GenericRXAA-AA!99986F0EC2B3 |
| AVEngine V3 | GenericRXAA-AA!99986F0EC2B3 | |
| JTI (ATP Rules) | JTI/Suspect.196612!99986f0ec2b3 | |
| RP Static | - | |
| RP Dynamic | - |
| IOC | Scanner | Detection |
| 96A976D682B6CCC244485C42F4441F60E9D8779086B00F196F60503615FBFF9F | AVEngine V2 | RDN/Generic.tfr |
| AVEngine V3 | RDN/Generic.tfr | |
| JTI (ATP Rules) | JTI/Suspect.196612!ebaf83302dc7 | |
| RP Static | - | |
| RP Dynamic | - |
| IOC | Scanner | Detection |
| E7A542312EC718300ED9F229AAA60E5E2EC11AAA99387B76ED2E377BFAD8B86E | AVEngine V2 | GenericRXDO-IO!B182FCE35C27 |
| AVEngine V3 | GenericRXDO-IO!B182FCE35C27 | |
| JTI (ATP Rules) | JTI/Suspect.196612!b182fce35c27 | |
| RP Static | - | |
| RP Dynamic | - |
| IOC | Scanner | Detection |
| C54837D0B856205BD4AE01887AAE9178F55F16E0E1A1E1FF59BD18DBC8A3DD82 | AVEngine V2 | RDN/Generic.tfr |
| AVEngine V3 | RDN/Generic.tfr | |
| JTI (ATP Rules) | JTI/Suspect.196612!c605b7c3e4c3 | |
| RP Static | Real Protect-SS!C605B7C3E4C3 | |
| RP Dynamic | - |
| IOC | Scanner | Detection |
| 45BFA1327C2C0118C152C7192ADA429C6D4AE03B8164EBE36AB5BA9A84F5D7AA | AVEngine V2 | GenericRXDQ-GM!D3E2C0943952 |
| AVEngine V3 | GenericRXDQ-GM!D3E2C0943952 | |
| JTI (ATP Rules) | JTI/Suspect.196612!d3e2c0943952 | |
| RP Static | Real Protect-PENG4!D3E2C0943952 | |
| RP Dynamic | - |
| IOC | Scanner | Detection |
| DB350BB43179F2A43A1330D82F3AFEB900DB5FF5094C2364D0767A3E6B97C854 | AVEngine V2 | Generic trojan.qe |
| AVEngine V3 | Generic trojan.qe | |
| JTI (ATP Rules) | JTI/Suspect.196612!d4fd104e9a92 | |
| RP Static | - | |
| RP Dynamic | - |
| IOC | Scanner | Detection |
| 2230EDACE3F42A5750F738F28814759B670922F16AA778E97D039D10FE9BAB02 | AVEngine V2 | GenericRXAA-AA!D61F883A59C3 |
| AVEngine V3 | GenericRXAA-AA!D61F883A59C3 | |
| JTI (ATP Rules) | JTI/Suspect.196612!d61f883a59c3 | |
| RP Static | - | |
| RP Dynamic | - |
| IOC | Scanner | Detection |
| F1A655EFFFEBC46F1E1C1D7FCFDAA9D25DEC73736E547C03450588F4D8EFA3EF | AVEngine V2 | GenericRXDQ-GM!D965DD36CEE3 |
| AVEngine V3 | GenericRXDQ-GM!D965DD36CEE3 | |
| JTI (ATP Rules) | JTI/Suspect.196612!d965dd36cee3 | |
| RP Static | Real Protect-PEAGG!D965DD36CEE3 | |
| RP Dynamic | - |
| IOC | Scanner | Detection |
| 7AA99EBC49A130F07304ED25655862A04CC20CB59D129E1416A7DFA04F7D3E51 | AVEngine V2 | GenericRXDO-WF!E2B9E490FE94 |
| AVEngine V3 | GenericRXDO-WF!E2B9E490FE94 | |
| JTI (ATP Rules) | ATP/Suspect!761b0690cd86 | |
| RP Static | - | |
| RP Dynamic | - |
| IOC | Scanner | Detection |
| 2D018C952ED1F9580DD709BF64C408EDD3FC42B5AACD3B92C9825AC825486A76 | AVEngine V2 | Generic trojan.qe |
| AVEngine V3 | Generic trojan.qe | |
| JTI (ATP Rules) | JTI/Suspect.196612!e7dc8ecfd56b | |
| RP Static | - | |
| RP Dynamic | - |
| IOC | Scanner | Detection |
| 5CBC07895D099CE39A3142025C557B7FAC41D79914535AB7FFC2094809F12A4B | AVEngine V2 | RDN/Generic PWS.y |
| AVEngine V3 | RDN/Generic PWS.y | |
| JTI (ATP Rules) | JTI/Suspect.196612!ebaf83302dc7 | |
| RP Static | - | |
| RP Dynamic | - |
| IOC | Scanner | Detection |
| 2981E1A1B3C395CEE6E4B9E6C46D062CF6130546B04401D724750E4C8382C863 | AVEngine V2 | GenericRXDO-WF!ECC2F0F66E5F |
| AVEngine V3 | GenericRXDO-WF!ECC2F0F66E5F | |
| JTI (ATP Rules) | JTI/Suspect.196612!ecc2f0f66e5f | |
| RP Static | - | |
| RP Dynamic | - |
| IOC | Scanner | Detection |
| BF2534B2F059547967BB453D67909921A41C10CDD19C1EC346A193060B094E2E | AVEngine V2 | GenericRXDO-IO!EDF723C8E404 |
| AVEngine V3 | GenericRXDO-IO!EDF723C8E404 | |
| JTI (ATP Rules) | JTI/Suspect.196612!edf723c8e404 | |
| RP Static | - | |
| RP Dynamic | - |
| IOC | Scanner | Detection |
| 2DF9E274CE0E71964ACA4183CEC01FB63566A907981A9E7384C0D73F86578FE4 | AVEngine V2 | Generic trojan.lz |
| AVEngine V3 | Generic trojan.lz | |
| JTI (ATP Rules) | JTI/Suspect.196612!5a6d034b9f65 | |
| RP Static | - | |
| RP Dynamic | - |
| IOC | Scanner | Detection |
| DEE482E5F461A8E531A6A7EA4728535AAFDC4941A8939BC3C55F6CB28C46AD3D | AVEngine V2 | Generic pws.bt.b |
| AVEngine V3 | Generic pws.bt.b | |
| JTI (ATP Rules) | JTI/Suspect.196612!86b9784231e2 | |
| RP Static | - | |
| RP Dynamic | - |
Minimum set of Manual Rules to improve protection to block this campaign
IMPORTANT: Always follow best practices when you enable new rules and signatures.
When you implement new rules or signatures, always set them to Report mode first and check the alerts generated. Resolve any issues that arise and then set the rules to Block. This step mitigates against triggering false positives and allows you to refine your configuration.
For more information, see KB87843 - List of and best practices for Endpoint Security Dynamic Application Containment rules.
Endpoint Security - Advanced Threat Protection:
Rule ID: 4 Use GTI file reputation to identify trusted or malicious files
Endpoint Security - Exploit Prevention:
Rule ID: 6015 Suspicious Function Invocation - Target Address Mismatch
Rule ID: 6013 Suspicious Function Invocation - CALL Not Found
Rule ID: 344 T1060 - New Startup Program Creation
Rule ID: 6013 Suspicious Function Invocation - CALL Not Found
Rule ID: 344 T1060 - New Startup Program Creation
Endpoint Security - Access Protection Custom Rules:
Rule: 1
Executables (Include):
cmd.exe
Subrules:
Subrule Type: Files
Operations:
create
Targets (Include):
?:\users\*\appdata\roaming\microsoft\*\*.bin
cmd.exe
Subrules:
Subrule Type: Files
Operations:
create
Targets (Include):
?:\users\*\appdata\roaming\microsoft\*\*.bin
Rule: 2
Executables (Include):
cmd.exe
Subrules:
Subrule Type: Files
Operations:
create
Targets (Include):
?:\users\*\appdata\roaming\*\*\*.dat
cmd.exe
Subrules:
Subrule Type: Files
Operations:
create
Targets (Include):
?:\users\*\appdata\roaming\*\*\*.dat
VirusScan Enterprise - Access Protection Custom Rules:
Rule: 1
Rule Type: File
Process to include: cmd.exe
File or folder name to block: *\users\*\appdata\roaming\microsoft\*\*.bin
File actions to prevent: Create
Process to include: cmd.exe
File or folder name to block: *\users\*\appdata\roaming\microsoft\*\*.bin
File actions to prevent: Create
Rule: 2
Rule Type: File
Process to include: cmd.exe
File or folder name to block: *\users\*\appdata\roaming\*\*\*.dat
File actions to prevent: Create
Process to include: cmd.exe
File or folder name to block: *\users\*\appdata\roaming\*\*\*.dat
File actions to prevent: Create
Aggressive set of Manual Rules to improve protection to block this campaign
IMPORTANT: Always follow best practices when you enable new rules and signatures.
When you implement new rules or signatures, always set them to Report mode first and check the alerts generated. Resolve any issues that arise and then set the rules to Block. This step mitigates against triggering false positives and allows you to refine your configuration.
For more information, see KB87843 - List of and best practices for Endpoint Security Dynamic Application Containment rules.
Virusscan Enterprise - Access Protection Rules:
Prevent creation of new executable files in the Windows folder
Host Intrusion Prevention:
Rule ID: 6011 Generic Application Invocation Protection
Rule ID: 2806 Attempt to create a hardlink to a file
Rule ID: 1148 CMD Tool Access by a Network Aware Application
Rule ID: 6010 Generic Application Hooking Protection
Rule ID: 412 Double File Extension Execution
Rule ID: 1020 Windows Agent Shielding - File Access
