Analysis
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max time kernel
150s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240709-en -
resource tags
arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system -
submitted
29-07-2024 09:37
Static task
static1
Behavioral task
behavioral1
Sample
3ec350b912bf27249dfb93221a4b7a9b_JaffaCakes118.dll
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
3ec350b912bf27249dfb93221a4b7a9b_JaffaCakes118.dll
Resource
win10v2004-20240709-en
General
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Target
3ec350b912bf27249dfb93221a4b7a9b_JaffaCakes118.dll
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Size
116KB
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MD5
3ec350b912bf27249dfb93221a4b7a9b
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SHA1
2142fe0caa3f08b98ffe6b3f9ae82f4bfb5f3abf
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SHA256
93bd21cb6331ce96cc28dc7a1f0b6b2b2ed8ec064d2ac6e1f428af59c924cb57
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SHA512
1e54a3204d8ca0665617093e725f3e32d46ffeef3b25f019cd5039dc1a24022d52d595bc2bf1a630985b8f1899ed01fbe22f9a943f9037743946b2cea3379d02
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SSDEEP
1536:CPp8kFF4+utlznGEvCrUmUYwGOmpX2yaICS4Aa7AYHiqcrUzSNYr:8vnuGqfGOqVBWitN4
Malware Config
Extracted
C:\Users\14s1s6lk-readme.txt
sodinokibi
http://aplebzu47wgazapdqks6vrcv6zcnjppkbxbr6wketf56nf6aq2nmyoyd.onion/86778E0E43FEB2FB
http://decryptor.cc/86778E0E43FEB2FB
Signatures
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Sodin,Sodinokibi,REvil
Ransomware with advanced anti-analysis and privilege escalation functionality.
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Enumerates connected drives 3 TTPs 23 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\E: rundll32.exe File opened (read-only) \??\P: rundll32.exe File opened (read-only) \??\Q: rundll32.exe File opened (read-only) \??\Y: rundll32.exe File opened (read-only) \??\G: rundll32.exe File opened (read-only) \??\H: rundll32.exe File opened (read-only) \??\K: rundll32.exe File opened (read-only) \??\O: rundll32.exe File opened (read-only) \??\T: rundll32.exe File opened (read-only) \??\W: rundll32.exe File opened (read-only) \??\Z: rundll32.exe File opened (read-only) \??\M: rundll32.exe File opened (read-only) \??\R: rundll32.exe File opened (read-only) \??\S: rundll32.exe File opened (read-only) \??\U: rundll32.exe File opened (read-only) \??\V: rundll32.exe File opened (read-only) \??\A: rundll32.exe File opened (read-only) \??\B: rundll32.exe File opened (read-only) \??\I: rundll32.exe File opened (read-only) \??\J: rundll32.exe File opened (read-only) \??\L: rundll32.exe File opened (read-only) \??\N: rundll32.exe File opened (read-only) \??\X: rundll32.exe -
Drops file in Program Files directory 15 IoCs
description ioc Process File opened for modification \??\c:\program files\TestDisconnect.xml rundll32.exe File opened for modification \??\c:\program files\GroupSelect.potx rundll32.exe File opened for modification \??\c:\program files\OpenExport.docx rundll32.exe File opened for modification \??\c:\program files\ProtectUpdate.ogg rundll32.exe File opened for modification \??\c:\program files\RestoreStart.3gpp rundll32.exe File opened for modification \??\c:\program files\ResetInvoke.css rundll32.exe File opened for modification \??\c:\program files\MoveEnable.wma rundll32.exe File opened for modification \??\c:\program files\RegisterOut.mpeg2 rundll32.exe File opened for modification \??\c:\program files\SelectMount.wpl rundll32.exe File opened for modification \??\c:\program files\LimitRename.mpe rundll32.exe File opened for modification \??\c:\program files\UnblockResolve.ex_ rundll32.exe File created \??\c:\program files\14s1s6lk-readme.txt rundll32.exe File created \??\c:\program files (x86)\14s1s6lk-readme.txt rundll32.exe File opened for modification \??\c:\program files\ConvertToTest.wmf rundll32.exe File opened for modification \??\c:\program files\DismountUnpublish.dot rundll32.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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 648 rundll32.exe 648 rundll32.exe -
Suspicious use of AdjustPrivilegeToken 5 IoCs
description pid Process Token: SeDebugPrivilege 648 rundll32.exe Token: SeTakeOwnershipPrivilege 648 rundll32.exe Token: SeBackupPrivilege 3764 vssvc.exe Token: SeRestorePrivilege 3764 vssvc.exe Token: SeAuditPrivilege 3764 vssvc.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2832 wrote to memory of 648 2832 rundll32.exe 84 PID 2832 wrote to memory of 648 2832 rundll32.exe 84 PID 2832 wrote to memory of 648 2832 rundll32.exe 84 -
Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\3ec350b912bf27249dfb93221a4b7a9b_JaffaCakes118.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2832 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\3ec350b912bf27249dfb93221a4b7a9b_JaffaCakes118.dll,#12⤵
- Enumerates connected drives
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:648
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C:\Windows\system32\wbem\unsecapp.exeC:\Windows\system32\wbem\unsecapp.exe -Embedding1⤵PID:4620
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3764
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
7KB
MD50dea780de157cf0019e7f15e0bade3c7
SHA1f5efebf6fd7e7999b5716e995b3b11bc572b55e1
SHA256e8eda5cb3832a574b5aa997764d6399f115d02802c9d9d090d3fa275e1d0d777
SHA512ed3edd20eee8f9d43817f576e790ee13b6802e2a2bb3380b324fbc8983575c4e1ccb735287dfda303dd25a91dff237881ed01f23b4342612119e88acf3f78381