Analysis
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max time kernel
182s -
max time network
192s -
platform
windows10-2004_x64 -
resource
win10v2004-20220721-en -
resource tags
arch:x64arch:x86image:win10v2004-20220721-enlocale:en-usos:windows10-2004-x64system -
submitted
24-07-2022 15:16
Behavioral task
behavioral1
Sample
afd183cec0991be77c20674166472ac590ba9cf1275fc03f470a5fe3930fa42e.exe
Resource
win7-20220715-en
Behavioral task
behavioral2
Sample
afd183cec0991be77c20674166472ac590ba9cf1275fc03f470a5fe3930fa42e.exe
Resource
win10v2004-20220721-en
General
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Target
afd183cec0991be77c20674166472ac590ba9cf1275fc03f470a5fe3930fa42e.exe
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Size
164KB
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MD5
3600c8c219b3381d571d3fa42de7eea5
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SHA1
1f804557e51d6d565edbf3d9fbc42c47379ad2d7
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SHA256
afd183cec0991be77c20674166472ac590ba9cf1275fc03f470a5fe3930fa42e
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SHA512
f0f0962396db7d780df99f83e42000c54147e7e80c9c243f78936ec6ee4cab16f1378c7c57c344a7c87202302d7811db8a7136cf8e6cac8ac2b4ee7ff9c5e3ef
Malware Config
Extracted
C:\1enws4lxa5-readme.txt
sodinokibi
http://aplebzu47wgazapdqks6vrcv6zcnjppkbxbr6wketf56nf6aq2nmyoyd.onion/0FB38CA6D7FF3E9E
http://decryptor.top/0FB38CA6D7FF3E9E
Signatures
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Sodin,Sodinokibi,REvil
Ransomware with advanced anti-analysis and privilege escalation functionality.
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Modifies extensions of user files 4 IoCs
Ransomware generally changes the extension on encrypted files.
Processes:
afd183cec0991be77c20674166472ac590ba9cf1275fc03f470a5fe3930fa42e.exedescription ioc process File opened for modification \??\c:\users\admin\pictures\StepImport.tiff afd183cec0991be77c20674166472ac590ba9cf1275fc03f470a5fe3930fa42e.exe File renamed C:\Users\Admin\Pictures\StepImport.tiff => \??\c:\users\admin\pictures\StepImport.tiff.1enws4lxa5 afd183cec0991be77c20674166472ac590ba9cf1275fc03f470a5fe3930fa42e.exe File renamed C:\Users\Admin\Pictures\PushShow.raw => \??\c:\users\admin\pictures\PushShow.raw.1enws4lxa5 afd183cec0991be77c20674166472ac590ba9cf1275fc03f470a5fe3930fa42e.exe File renamed C:\Users\Admin\Pictures\ImportUse.png => \??\c:\users\admin\pictures\ImportUse.png.1enws4lxa5 afd183cec0991be77c20674166472ac590ba9cf1275fc03f470a5fe3930fa42e.exe -
Enumerates connected drives 3 TTPs 25 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
Processes:
afd183cec0991be77c20674166472ac590ba9cf1275fc03f470a5fe3930fa42e.exedescription ioc process File opened (read-only) \??\H: afd183cec0991be77c20674166472ac590ba9cf1275fc03f470a5fe3930fa42e.exe File opened (read-only) \??\M: afd183cec0991be77c20674166472ac590ba9cf1275fc03f470a5fe3930fa42e.exe File opened (read-only) \??\N: afd183cec0991be77c20674166472ac590ba9cf1275fc03f470a5fe3930fa42e.exe File opened (read-only) \??\Z: afd183cec0991be77c20674166472ac590ba9cf1275fc03f470a5fe3930fa42e.exe File opened (read-only) \??\D: afd183cec0991be77c20674166472ac590ba9cf1275fc03f470a5fe3930fa42e.exe File opened (read-only) \??\A: afd183cec0991be77c20674166472ac590ba9cf1275fc03f470a5fe3930fa42e.exe File opened (read-only) \??\R: afd183cec0991be77c20674166472ac590ba9cf1275fc03f470a5fe3930fa42e.exe File opened (read-only) \??\T: afd183cec0991be77c20674166472ac590ba9cf1275fc03f470a5fe3930fa42e.exe File opened (read-only) \??\V: afd183cec0991be77c20674166472ac590ba9cf1275fc03f470a5fe3930fa42e.exe File opened (read-only) \??\W: afd183cec0991be77c20674166472ac590ba9cf1275fc03f470a5fe3930fa42e.exe File opened (read-only) \??\X: afd183cec0991be77c20674166472ac590ba9cf1275fc03f470a5fe3930fa42e.exe File opened (read-only) \??\B: afd183cec0991be77c20674166472ac590ba9cf1275fc03f470a5fe3930fa42e.exe File opened (read-only) \??\I: afd183cec0991be77c20674166472ac590ba9cf1275fc03f470a5fe3930fa42e.exe File opened (read-only) \??\L: afd183cec0991be77c20674166472ac590ba9cf1275fc03f470a5fe3930fa42e.exe File opened (read-only) \??\O: afd183cec0991be77c20674166472ac590ba9cf1275fc03f470a5fe3930fa42e.exe File opened (read-only) \??\P: afd183cec0991be77c20674166472ac590ba9cf1275fc03f470a5fe3930fa42e.exe File opened (read-only) \??\Q: afd183cec0991be77c20674166472ac590ba9cf1275fc03f470a5fe3930fa42e.exe File opened (read-only) \??\S: afd183cec0991be77c20674166472ac590ba9cf1275fc03f470a5fe3930fa42e.exe File opened (read-only) \??\Y: afd183cec0991be77c20674166472ac590ba9cf1275fc03f470a5fe3930fa42e.exe File opened (read-only) \??\E: afd183cec0991be77c20674166472ac590ba9cf1275fc03f470a5fe3930fa42e.exe File opened (read-only) \??\G: afd183cec0991be77c20674166472ac590ba9cf1275fc03f470a5fe3930fa42e.exe File opened (read-only) \??\J: afd183cec0991be77c20674166472ac590ba9cf1275fc03f470a5fe3930fa42e.exe File opened (read-only) \??\K: afd183cec0991be77c20674166472ac590ba9cf1275fc03f470a5fe3930fa42e.exe File opened (read-only) \??\U: afd183cec0991be77c20674166472ac590ba9cf1275fc03f470a5fe3930fa42e.exe File opened (read-only) \??\F: afd183cec0991be77c20674166472ac590ba9cf1275fc03f470a5fe3930fa42e.exe -
Sets desktop wallpaper using registry 2 TTPs 1 IoCs
Processes:
afd183cec0991be77c20674166472ac590ba9cf1275fc03f470a5fe3930fa42e.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-1101907861-274115917-2188613224-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\61w2l39.bmp" afd183cec0991be77c20674166472ac590ba9cf1275fc03f470a5fe3930fa42e.exe -
Drops file in Program Files directory 11 IoCs
Processes:
afd183cec0991be77c20674166472ac590ba9cf1275fc03f470a5fe3930fa42e.exedescription ioc process File opened for modification \??\c:\program files\InvokeMove.pub afd183cec0991be77c20674166472ac590ba9cf1275fc03f470a5fe3930fa42e.exe File opened for modification \??\c:\program files\UnblockUnprotect.3gpp afd183cec0991be77c20674166472ac590ba9cf1275fc03f470a5fe3930fa42e.exe File opened for modification \??\c:\program files\UndoRename.wmx afd183cec0991be77c20674166472ac590ba9cf1275fc03f470a5fe3930fa42e.exe File created \??\c:\program files\1enws4lxa5-readme.txt afd183cec0991be77c20674166472ac590ba9cf1275fc03f470a5fe3930fa42e.exe File created \??\c:\program files (x86)\1enws4lxa5-readme.txt afd183cec0991be77c20674166472ac590ba9cf1275fc03f470a5fe3930fa42e.exe File opened for modification \??\c:\program files\CloseFormat.dxf afd183cec0991be77c20674166472ac590ba9cf1275fc03f470a5fe3930fa42e.exe File opened for modification \??\c:\program files\InitializeDebug.M2TS afd183cec0991be77c20674166472ac590ba9cf1275fc03f470a5fe3930fa42e.exe File opened for modification \??\c:\program files\CloseOpen.xml afd183cec0991be77c20674166472ac590ba9cf1275fc03f470a5fe3930fa42e.exe File opened for modification \??\c:\program files\ConvertFromImport.vssm afd183cec0991be77c20674166472ac590ba9cf1275fc03f470a5fe3930fa42e.exe File opened for modification \??\c:\program files\EnableUnblock.png afd183cec0991be77c20674166472ac590ba9cf1275fc03f470a5fe3930fa42e.exe File opened for modification \??\c:\program files\UseResolve.mid afd183cec0991be77c20674166472ac590ba9cf1275fc03f470a5fe3930fa42e.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
afd183cec0991be77c20674166472ac590ba9cf1275fc03f470a5fe3930fa42e.exepowershell.exepid process 4524 afd183cec0991be77c20674166472ac590ba9cf1275fc03f470a5fe3930fa42e.exe 4524 afd183cec0991be77c20674166472ac590ba9cf1275fc03f470a5fe3930fa42e.exe 2116 powershell.exe 2116 powershell.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
Processes:
powershell.exevssvc.exedescription pid process Token: SeDebugPrivilege 2116 powershell.exe Token: SeBackupPrivilege 1880 vssvc.exe Token: SeRestorePrivilege 1880 vssvc.exe Token: SeAuditPrivilege 1880 vssvc.exe -
Suspicious use of WriteProcessMemory 2 IoCs
Processes:
afd183cec0991be77c20674166472ac590ba9cf1275fc03f470a5fe3930fa42e.exedescription pid process target process PID 4524 wrote to memory of 2116 4524 afd183cec0991be77c20674166472ac590ba9cf1275fc03f470a5fe3930fa42e.exe powershell.exe PID 4524 wrote to memory of 2116 4524 afd183cec0991be77c20674166472ac590ba9cf1275fc03f470a5fe3930fa42e.exe powershell.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\afd183cec0991be77c20674166472ac590ba9cf1275fc03f470a5fe3930fa42e.exe"C:\Users\Admin\AppData\Local\Temp\afd183cec0991be77c20674166472ac590ba9cf1275fc03f470a5fe3930fa42e.exe"1⤵
- Modifies extensions of user files
- Enumerates connected drives
- Sets desktop wallpaper using registry
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell -e RwBlAHQALQBXAG0AaQBPAGIAagBlAGMAdAAgAFcAaQBuADMAMgBfAFMAaABhAGQAbwB3AGMAbwBwAHkAIAB8ACAARgBvAHIARQBhAGMAaAAtAE8AYgBqAGUAYwB0ACAAewAkAF8ALgBEAGUAbABlAHQAZQAoACkAOwB9AA==2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\system32\wbem\unsecapp.exeC:\Windows\system32\wbem\unsecapp.exe -Embedding1⤵
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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memory/2116-130-0x0000000000000000-mapping.dmp
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memory/2116-131-0x000001B01F290000-0x000001B01F2B2000-memory.dmpFilesize
136KB
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memory/2116-132-0x00007FFE16C70000-0x00007FFE17731000-memory.dmpFilesize
10.8MB
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memory/2116-133-0x00007FFE16C70000-0x00007FFE17731000-memory.dmpFilesize
10.8MB