Analysis
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max time kernel
149s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
27/05/2024, 07:29
Static task
static1
Behavioral task
behavioral1
Sample
785ba6895dfb23837bba5ef9c84d5c74_JaffaCakes118.dll
Resource
win7-20240419-en
Behavioral task
behavioral2
Sample
785ba6895dfb23837bba5ef9c84d5c74_JaffaCakes118.dll
Resource
win10v2004-20240508-en
General
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Target
785ba6895dfb23837bba5ef9c84d5c74_JaffaCakes118.dll
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Size
114KB
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MD5
785ba6895dfb23837bba5ef9c84d5c74
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SHA1
b78c9d56ffd8775b566daccff497dc2672af8cee
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SHA256
e8ef7dc54bd782122e3ce1c1ea14c8325dfcd3f6a255d5526c6e2e7624e0f091
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SHA512
7d5969afd121f8e9fdad129addfd84485744d9b013e2f8d16a7d5df95a864cab818810617b9c09733699df5732aca0f65275b1f0d4fea24439275e189b30f799
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SSDEEP
1536:6Q2auIslFGhFtuAp75WeNMYLoRGp+K6fHICS4AdfG6NlNmraBXZtT:3sI/hqsMYLoRK7bfxl4rI
Malware Config
Extracted
C:\Recovery\59icmdv4a7-readme.txt
sodinokibi
http://aplebzu47wgazapdqks6vrcv6zcnjppkbxbr6wketf56nf6aq2nmyoyd.onion/BD9E1C1061F3D5A6
http://decryptor.cc/BD9E1C1061F3D5A6
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 25 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\H: rundll32.exe File opened (read-only) \??\A: rundll32.exe File opened (read-only) \??\J: rundll32.exe File opened (read-only) \??\O: rundll32.exe File opened (read-only) \??\R: rundll32.exe File opened (read-only) \??\T: rundll32.exe File opened (read-only) \??\X: rundll32.exe File opened (read-only) \??\G: rundll32.exe File opened (read-only) \??\K: rundll32.exe File opened (read-only) \??\Q: rundll32.exe File opened (read-only) \??\D: rundll32.exe File opened (read-only) \??\E: 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) \??\Z: rundll32.exe File opened (read-only) \??\B: rundll32.exe File opened (read-only) \??\L: rundll32.exe File opened (read-only) \??\N: rundll32.exe File opened (read-only) \??\P: rundll32.exe File opened (read-only) \??\U: rundll32.exe File opened (read-only) \??\W: rundll32.exe File opened (read-only) \??\Y: rundll32.exe File opened (read-only) \??\I: rundll32.exe -
Drops file in Program Files directory 23 IoCs
description ioc Process File opened for modification \??\c:\program files\RegisterOptimize.rtf rundll32.exe File opened for modification \??\c:\program files\InitializeSave.xsl rundll32.exe File opened for modification \??\c:\program files\PingConnect.m3u rundll32.exe File opened for modification \??\c:\program files\MoveUnregister.aifc rundll32.exe File opened for modification \??\c:\program files\PopUnlock.htm rundll32.exe File opened for modification \??\c:\program files\RedoLock.tiff rundll32.exe File opened for modification \??\c:\program files\RepairAssert.vstx rundll32.exe File opened for modification \??\c:\program files\RepairRedo.aifc rundll32.exe File created \??\c:\program files\59icmdv4a7-readme.txt rundll32.exe File opened for modification \??\c:\program files\DenyInvoke.wmx rundll32.exe File opened for modification \??\c:\program files\DisableReset.i64 rundll32.exe File opened for modification \??\c:\program files\MountReceive.dotx rundll32.exe File opened for modification \??\c:\program files\SendGet.pcx rundll32.exe File opened for modification \??\c:\program files\StopInvoke.dwfx rundll32.exe File opened for modification \??\c:\program files\UnpublishComplete.xps rundll32.exe File opened for modification \??\c:\program files\BackupConvertTo.ods rundll32.exe File opened for modification \??\c:\program files\ConnectRemove.wps rundll32.exe File opened for modification \??\c:\program files\BackupCompress.mov rundll32.exe File opened for modification \??\c:\program files\OpenPush.mpeg3 rundll32.exe File opened for modification \??\c:\program files\RestartSplit.vdw rundll32.exe File opened for modification \??\c:\program files\UnblockUnlock.mpeg rundll32.exe File created \??\c:\program files (x86)\59icmdv4a7-readme.txt rundll32.exe File opened for modification \??\c:\program files\ApproveSubmit.jpe rundll32.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 1808 rundll32.exe 1808 rundll32.exe 3368 powershell.exe 3368 powershell.exe -
Suspicious use of AdjustPrivilegeToken 5 IoCs
description pid Process Token: SeDebugPrivilege 1808 rundll32.exe Token: SeDebugPrivilege 3368 powershell.exe Token: SeBackupPrivilege 616 vssvc.exe Token: SeRestorePrivilege 616 vssvc.exe Token: SeAuditPrivilege 616 vssvc.exe -
Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 1388 wrote to memory of 1808 1388 rundll32.exe 85 PID 1388 wrote to memory of 1808 1388 rundll32.exe 85 PID 1388 wrote to memory of 1808 1388 rundll32.exe 85 PID 1808 wrote to memory of 3368 1808 rundll32.exe 91 PID 1808 wrote to memory of 3368 1808 rundll32.exe 91 -
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\785ba6895dfb23837bba5ef9c84d5c74_JaffaCakes118.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1388 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\785ba6895dfb23837bba5ef9c84d5c74_JaffaCakes118.dll,#12⤵
- Enumerates connected drives
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1808 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell -e RwBlAHQALQBXAG0AaQBPAGIAagBlAGMAdAAgAFcAaQBuADMAMgBfAFMAaABhAGQAbwB3AGMAbwBwAHkAIAB8ACAARgBvAHIARQBhAGMAaAAtAE8AYgBqAGUAYwB0ACAAewAkAF8ALgBEAGUAbABlAHQAZQAoACkAOwB9AA==3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3368
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C:\Windows\system32\wbem\unsecapp.exeC:\Windows\system32\wbem\unsecapp.exe -Embedding1⤵PID:2328
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:616
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
7KB
MD5aea2b63c30e0a5ba0b3180d26575ff36
SHA17dab753e26db13c6eb044d25c3b138bfa8004919
SHA2562f5226dd9700f15bd868ac941dcd895822797b01bb43350eced59b20a33f2857
SHA51234e560bad3f520d4cefebdc256ed912df1691a714152d1733c2b4c378133f74225b0e8c1c4868940b7ee36f36fa9a306255bbf416beabc81fa7a9336f97bc1ff
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82