Analysis
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max time kernel
134s -
max time network
123s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
17-08-2024 04:28
Static task
static1
Behavioral task
behavioral1
Sample
a133909376f0499059642768d4f73a95_JaffaCakes118.dll
Resource
win7-20240705-en
Behavioral task
behavioral2
Sample
a133909376f0499059642768d4f73a95_JaffaCakes118.dll
Resource
win10v2004-20240802-en
General
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Target
a133909376f0499059642768d4f73a95_JaffaCakes118.dll
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Size
116KB
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MD5
a133909376f0499059642768d4f73a95
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SHA1
fda53c8b4d684b7454d204ed395934159c091133
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SHA256
4270895e0d3973d98d5014e299f9e9a4dee0e528d37adbbcf47dc52ca483fd74
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SHA512
f205002c4059a98c1b917be8644c9f1d02ec4ccdf10d35e7bb34d75f47aca72f16400dce024842dd4694d9557bdf20d5dece66dd2be112bade22d0101f8a6ae0
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SSDEEP
1536:CPp8kFF4+utlznGEvCrUmUYwGOmpX2yaICS4Aa7AJlwUHhDc8j5rXE:8vnuGqfGOqVBJi4c8jZXE
Malware Config
Extracted
C:\Users\8x17t-readme.txt
sodinokibi
http://aplebzu47wgazapdqks6vrcv6zcnjppkbxbr6wketf56nf6aq2nmyoyd.onion/62B723750444625C
http://decryptor.cc/62B723750444625C
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) \??\A: rundll32.exe File opened (read-only) \??\G: rundll32.exe File opened (read-only) \??\I: rundll32.exe File opened (read-only) \??\M: rundll32.exe File opened (read-only) \??\V: rundll32.exe File opened (read-only) \??\Y: rundll32.exe File opened (read-only) \??\B: rundll32.exe File opened (read-only) \??\H: rundll32.exe File opened (read-only) \??\J: rundll32.exe File opened (read-only) \??\L: rundll32.exe File opened (read-only) \??\Q: rundll32.exe File opened (read-only) \??\X: rundll32.exe File opened (read-only) \??\Z: rundll32.exe File opened (read-only) \??\K: rundll32.exe File opened (read-only) \??\N: rundll32.exe File opened (read-only) \??\S: rundll32.exe File opened (read-only) \??\U: rundll32.exe File opened (read-only) \??\W: rundll32.exe File opened (read-only) \??\E: rundll32.exe File opened (read-only) \??\O: rundll32.exe File opened (read-only) \??\P: rundll32.exe File opened (read-only) \??\R: rundll32.exe File opened (read-only) \??\T: rundll32.exe -
Drops file in Program Files directory 25 IoCs
description ioc Process File opened for modification \??\c:\program files\DebugGroup.xsl rundll32.exe File opened for modification \??\c:\program files\LimitBackup.potm rundll32.exe File opened for modification \??\c:\program files\LimitTrace.asx rundll32.exe File opened for modification \??\c:\program files\MergeMeasure.htm rundll32.exe File opened for modification \??\c:\program files\SplitEdit.emf rundll32.exe File created \??\c:\program files\8x17t-readme.txt rundll32.exe File opened for modification \??\c:\program files\AssertCheckpoint.bmp rundll32.exe File opened for modification \??\c:\program files\EnterOpen.mp4 rundll32.exe File opened for modification \??\c:\program files\HideOut.au rundll32.exe File opened for modification \??\c:\program files\SubmitWrite.pps rundll32.exe File opened for modification \??\c:\program files\ClearSave.pptx rundll32.exe File opened for modification \??\c:\program files\MoveCopy.snd rundll32.exe File opened for modification \??\c:\program files\RemoveWatch.jpg rundll32.exe File opened for modification \??\c:\program files\ConnectMerge.mpg rundll32.exe File opened for modification \??\c:\program files\EditApprove.3gpp rundll32.exe File opened for modification \??\c:\program files\NewFormat.asx rundll32.exe File created \??\c:\program files (x86)\8x17t-readme.txt rundll32.exe File opened for modification \??\c:\program files\UnpublishConvertTo.avi rundll32.exe File opened for modification \??\c:\program files\WatchApprove.m4v rundll32.exe File opened for modification \??\c:\program files\FindRepair.raw rundll32.exe File opened for modification \??\c:\program files\StepPush.wpl rundll32.exe File opened for modification \??\c:\program files\InstallSplit.ppsx rundll32.exe File opened for modification \??\c:\program files\DebugSwitch.php rundll32.exe File opened for modification \??\c:\program files\AddSearch.fon rundll32.exe File opened for modification \??\c:\program files\DisconnectConvertFrom.M2TS 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 5056 rundll32.exe 5056 rundll32.exe -
Suspicious use of AdjustPrivilegeToken 5 IoCs
description pid Process Token: SeDebugPrivilege 5056 rundll32.exe Token: SeTakeOwnershipPrivilege 5056 rundll32.exe Token: SeBackupPrivilege 3140 vssvc.exe Token: SeRestorePrivilege 3140 vssvc.exe Token: SeAuditPrivilege 3140 vssvc.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4544 wrote to memory of 5056 4544 rundll32.exe 84 PID 4544 wrote to memory of 5056 4544 rundll32.exe 84 PID 4544 wrote to memory of 5056 4544 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\a133909376f0499059642768d4f73a95_JaffaCakes118.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:4544 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\a133909376f0499059642768d4f73a95_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:5056
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C:\Windows\system32\wbem\unsecapp.exeC:\Windows\system32\wbem\unsecapp.exe -Embedding1⤵PID:4880
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3140
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
6KB
MD50e83fd020d9e42ca54fa4495279f84a2
SHA13696929a9529776f494060de66016e5482a86768
SHA2569ede59fc680d176e7139dd9cd0969cbc24a6d32034426ec79188a0afb67ebf89
SHA512c94170f9d90d09bb4c54e0a193ec4dbe7a48bf4acf4344fb71f0747c0db38d3c7877c874766953e9ca04b25e7bb63a3e8f603a3247327ea16b22191ffc2ffda0