Analysis
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max time kernel
131s -
max time network
106s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
16-05-2024 01:50
Behavioral task
behavioral1
Sample
4903f3effb98da65c49bb9591c16615d_JaffaCakes118.dll
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
4903f3effb98da65c49bb9591c16615d_JaffaCakes118.dll
Resource
win10v2004-20240426-en
General
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Target
4903f3effb98da65c49bb9591c16615d_JaffaCakes118.dll
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Size
164KB
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MD5
4903f3effb98da65c49bb9591c16615d
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SHA1
d53e85991420c1475385babd72d31ee77faefc6d
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SHA256
42996516b6604ba136ff909d9b59d2a676a72eaafa30c729cdfaddd96b20fc83
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SHA512
454b8a5f3528ce77d993b84ccd0df7b8f0843a6a47516b1aa13fe6cbb79d1853646e03c7c9663266df154fd464f594d41be1e392d0c8c3dd676e4348e5149880
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SSDEEP
3072:BrX1t2U05pbJ5xhxY9doh7O79siUs/NaDn3Ka9:BrltH05f5v2i7O93Nenaa9
Malware Config
Extracted
C:\Users\4x52109-readme.txt
sodinokibi
http://aplebzu47wgazapdqks6vrcv6zcnjppkbxbr6wketf56nf6aq2nmyoyd.onion/45B962B73A1D45A7
http://decryptor.top/45B962B73A1D45A7
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) \??\Q: rundll32.exe File opened (read-only) \??\V: rundll32.exe File opened (read-only) \??\T: rundll32.exe File opened (read-only) \??\G: rundll32.exe File opened (read-only) \??\K: rundll32.exe File opened (read-only) \??\A: rundll32.exe File opened (read-only) \??\B: rundll32.exe File opened (read-only) \??\P: rundll32.exe File opened (read-only) \??\S: rundll32.exe File opened (read-only) \??\Y: rundll32.exe File opened (read-only) \??\F: rundll32.exe File opened (read-only) \??\E: rundll32.exe File opened (read-only) \??\J: rundll32.exe File opened (read-only) \??\W: rundll32.exe File opened (read-only) \??\H: rundll32.exe File opened (read-only) \??\X: rundll32.exe File opened (read-only) \??\Z: rundll32.exe File opened (read-only) \??\I: rundll32.exe File opened (read-only) \??\M: rundll32.exe File opened (read-only) \??\N: rundll32.exe File opened (read-only) \??\O: rundll32.exe File opened (read-only) \??\D: rundll32.exe File opened (read-only) \??\L: rundll32.exe File opened (read-only) \??\R: rundll32.exe File opened (read-only) \??\U: rundll32.exe -
Drops file in Program Files directory 22 IoCs
description ioc Process File opened for modification \??\c:\program files\EditMove.docx rundll32.exe File opened for modification \??\c:\program files\PopUse.avi rundll32.exe File opened for modification \??\c:\program files\WaitClose.mp4 rundll32.exe File opened for modification \??\c:\program files\WriteInstall.m4a rundll32.exe File created \??\c:\program files\4x52109-readme.txt rundll32.exe File opened for modification \??\c:\program files\BlockExpand.pcx rundll32.exe File opened for modification \??\c:\program files\EditWrite.vsw rundll32.exe File opened for modification \??\c:\program files\PublishAssert.wmv rundll32.exe File opened for modification \??\c:\program files\RestartConfirm.rmi rundll32.exe File opened for modification \??\c:\program files\RestoreExit.mov rundll32.exe File created \??\c:\program files (x86)\4x52109-readme.txt rundll32.exe File opened for modification \??\c:\program files\AssertStart.reg rundll32.exe File opened for modification \??\c:\program files\ClearApprove.avi rundll32.exe File opened for modification \??\c:\program files\CompressMerge.vsdx rundll32.exe File opened for modification \??\c:\program files\OptimizeAdd.dot rundll32.exe File opened for modification \??\c:\program files\TestExport.au3 rundll32.exe File opened for modification \??\c:\program files\InitializeCopy.vbs rundll32.exe File opened for modification \??\c:\program files\ProtectSwitch.jpeg rundll32.exe File opened for modification \??\c:\program files\ResizeShow.mp4 rundll32.exe File opened for modification \??\c:\program files\SubmitSend.vdw rundll32.exe File opened for modification \??\c:\program files\TestConvert.dxf rundll32.exe File opened for modification \??\c:\program files\UndoShow.DVR rundll32.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 3000 rundll32.exe 3000 rundll32.exe 864 powershell.exe 864 powershell.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 864 powershell.exe Token: SeBackupPrivilege 1716 vssvc.exe Token: SeRestorePrivilege 1716 vssvc.exe Token: SeAuditPrivilege 1716 vssvc.exe -
Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 1552 wrote to memory of 3000 1552 rundll32.exe 83 PID 1552 wrote to memory of 3000 1552 rundll32.exe 83 PID 1552 wrote to memory of 3000 1552 rundll32.exe 83 PID 3000 wrote to memory of 864 3000 rundll32.exe 91 PID 3000 wrote to memory of 864 3000 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\4903f3effb98da65c49bb9591c16615d_JaffaCakes118.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1552 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\4903f3effb98da65c49bb9591c16615d_JaffaCakes118.dll,#12⤵
- Enumerates connected drives
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3000 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell -e RwBlAHQALQBXAG0AaQBPAGIAagBlAGMAdAAgAFcAaQBuADMAMgBfAFMAaABhAGQAbwB3AGMAbwBwAHkAIAB8ACAARgBvAHIARQBhAGMAaAAtAE8AYgBqAGUAYwB0ACAAewAkAF8ALgBEAGUAbABlAHQAZQAoACkAOwB9AA==3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:864
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C:\Windows\system32\wbem\unsecapp.exeC:\Windows\system32\wbem\unsecapp.exe -Embedding1⤵PID:4548
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1716
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
6KB
MD554d93ec67aab0e6a5f5c3017f485abd2
SHA170103a198cde5e25fb6690f2cbaf757632dba01c
SHA256a4895b87fe7d53804c6e4aa515d2dbc48b721134c1e69fbf03e10edc55f9cc67
SHA51282d31b59aeb86aaeec8064186c2382dba3f572e41ca7cc3c9542c1922dba976092833b13d1ad5768a44a9e2b540248b4496f6469240d6f37fd85741ce0bdda96
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82