Analysis
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max time kernel
94s -
max time network
96s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
07-10-2024 14:03
Behavioral task
behavioral1
Sample
1dd464cbb3fbd6881eef3f05b8b1fbd5_JaffaCakes118.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
1dd464cbb3fbd6881eef3f05b8b1fbd5_JaffaCakes118.exe
Resource
win10v2004-20241007-en
General
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Target
1dd464cbb3fbd6881eef3f05b8b1fbd5_JaffaCakes118.exe
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Size
72KB
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MD5
1dd464cbb3fbd6881eef3f05b8b1fbd5
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SHA1
cafd8d20f2abaebbbfc367b4b4512107362f3758
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SHA256
b824bbc645f15e213b4cb2628f7d383e9e37282059b03f6fe60f7c84ea1fed1f
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SHA512
1564fffe28c2b7c2b18c35d68e3e254106620b2c3b7b5f41b95cfbb3a2cf0d9c42616d670b4060d09129ff18f0148c03e00bbd205f9d10697b265109a43d053c
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SSDEEP
1536:yICS4AgxwhjEO3r825exqkHYnKeGsXqsMt:R2SN3mxYnKr
Malware Config
Extracted
C:\Users\ogFRBgZRA.README.txt
blackmatter
http://supp24maprinktc7uizgfyqhisx7lkszb6ogh6lwdzpac23w3mh4tvyd.onion/RSW33BDOYPLWM78U9A09BZDI
Signatures
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BlackMatter Ransomware
BlackMatter ransomware group claims to be Darkside and REvil succesor.
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Renames multiple (139) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Sets desktop wallpaper using registry 2 TTPs 2 IoCs
Processes:
1dd464cbb3fbd6881eef3f05b8b1fbd5_JaffaCakes118.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\Desktop\WallPaper = "C:\\ProgramData\\ogFRBgZRA.bmp" 1dd464cbb3fbd6881eef3f05b8b1fbd5_JaffaCakes118.exe Set value (str) \REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\Desktop\Wallpaper = "C:\\ProgramData\\ogFRBgZRA.bmp" 1dd464cbb3fbd6881eef3f05b8b1fbd5_JaffaCakes118.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 6 IoCs
Processes:
1dd464cbb3fbd6881eef3f05b8b1fbd5_JaffaCakes118.exepid process 2108 1dd464cbb3fbd6881eef3f05b8b1fbd5_JaffaCakes118.exe 2108 1dd464cbb3fbd6881eef3f05b8b1fbd5_JaffaCakes118.exe 2108 1dd464cbb3fbd6881eef3f05b8b1fbd5_JaffaCakes118.exe 2108 1dd464cbb3fbd6881eef3f05b8b1fbd5_JaffaCakes118.exe 2108 1dd464cbb3fbd6881eef3f05b8b1fbd5_JaffaCakes118.exe 2108 1dd464cbb3fbd6881eef3f05b8b1fbd5_JaffaCakes118.exe -
System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes:
1dd464cbb3fbd6881eef3f05b8b1fbd5_JaffaCakes118.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 1dd464cbb3fbd6881eef3f05b8b1fbd5_JaffaCakes118.exe -
Modifies Control Panel 2 IoCs
Processes:
1dd464cbb3fbd6881eef3f05b8b1fbd5_JaffaCakes118.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\Desktop 1dd464cbb3fbd6881eef3f05b8b1fbd5_JaffaCakes118.exe Set value (str) \REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\Desktop\WallpaperStyle = "10" 1dd464cbb3fbd6881eef3f05b8b1fbd5_JaffaCakes118.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
1dd464cbb3fbd6881eef3f05b8b1fbd5_JaffaCakes118.exepid process 2108 1dd464cbb3fbd6881eef3f05b8b1fbd5_JaffaCakes118.exe 2108 1dd464cbb3fbd6881eef3f05b8b1fbd5_JaffaCakes118.exe 2108 1dd464cbb3fbd6881eef3f05b8b1fbd5_JaffaCakes118.exe 2108 1dd464cbb3fbd6881eef3f05b8b1fbd5_JaffaCakes118.exe -
Suspicious use of AdjustPrivilegeToken 17 IoCs
Processes:
1dd464cbb3fbd6881eef3f05b8b1fbd5_JaffaCakes118.exevssvc.exedescription pid process Token: SeBackupPrivilege 2108 1dd464cbb3fbd6881eef3f05b8b1fbd5_JaffaCakes118.exe Token: SeDebugPrivilege 2108 1dd464cbb3fbd6881eef3f05b8b1fbd5_JaffaCakes118.exe Token: 36 2108 1dd464cbb3fbd6881eef3f05b8b1fbd5_JaffaCakes118.exe Token: SeImpersonatePrivilege 2108 1dd464cbb3fbd6881eef3f05b8b1fbd5_JaffaCakes118.exe Token: SeIncBasePriorityPrivilege 2108 1dd464cbb3fbd6881eef3f05b8b1fbd5_JaffaCakes118.exe Token: SeIncreaseQuotaPrivilege 2108 1dd464cbb3fbd6881eef3f05b8b1fbd5_JaffaCakes118.exe Token: 33 2108 1dd464cbb3fbd6881eef3f05b8b1fbd5_JaffaCakes118.exe Token: SeManageVolumePrivilege 2108 1dd464cbb3fbd6881eef3f05b8b1fbd5_JaffaCakes118.exe Token: SeProfSingleProcessPrivilege 2108 1dd464cbb3fbd6881eef3f05b8b1fbd5_JaffaCakes118.exe Token: SeRestorePrivilege 2108 1dd464cbb3fbd6881eef3f05b8b1fbd5_JaffaCakes118.exe Token: SeSecurityPrivilege 2108 1dd464cbb3fbd6881eef3f05b8b1fbd5_JaffaCakes118.exe Token: SeSystemProfilePrivilege 2108 1dd464cbb3fbd6881eef3f05b8b1fbd5_JaffaCakes118.exe Token: SeTakeOwnershipPrivilege 2108 1dd464cbb3fbd6881eef3f05b8b1fbd5_JaffaCakes118.exe Token: SeShutdownPrivilege 2108 1dd464cbb3fbd6881eef3f05b8b1fbd5_JaffaCakes118.exe Token: SeBackupPrivilege 1704 vssvc.exe Token: SeRestorePrivilege 1704 vssvc.exe Token: SeAuditPrivilege 1704 vssvc.exe -
Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
Processes
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C:\Users\Admin\AppData\Local\Temp\1dd464cbb3fbd6881eef3f05b8b1fbd5_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\1dd464cbb3fbd6881eef3f05b8b1fbd5_JaffaCakes118.exe"1⤵
- Sets desktop wallpaper using registry
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Modifies Control Panel
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2108
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1704
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1KB
MD5c4947c60a66a5f286be734256b7e6e8d
SHA17cd483bbe59972ff22b2c122c08548933e812b66
SHA2565119a7a0a3c668d897f1e33f1b39f3c78396a057b3efa58858c4b86878cce373
SHA512ec43f7e65055d471c5f78d9777c0de661690a51da2f905467177c8a433468a74f546d2cac32f3881b75cdbfeabbff4e3ceaef10e181cdb2b5ae70f06875b2565