Analysis
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max time kernel
183s -
max time network
213s -
platform
windows10_x64 -
resource
win10-en-20211208 -
submitted
24-01-2022 01:21
Static task
static1
Behavioral task
behavioral1
Sample
ab9755a71005534c3d54354be77f304d7cb931b65a9de9a3b0f5ff85f1118f95.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
ab9755a71005534c3d54354be77f304d7cb931b65a9de9a3b0f5ff85f1118f95.exe
Resource
win10-en-20211208
General
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Target
ab9755a71005534c3d54354be77f304d7cb931b65a9de9a3b0f5ff85f1118f95.exe
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Size
164KB
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MD5
27c4686c0b64783b29b383f8ad7996ce
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SHA1
72e5066d8ddfd1e2c6b287ab93c2cc7a8dd328e7
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SHA256
ab9755a71005534c3d54354be77f304d7cb931b65a9de9a3b0f5ff85f1118f95
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SHA512
7d77232fc290f1a55c0175264f6a0abf058a51f2777e64483b0581c7205d63018dd4985367adfbe3eaa32bd66e016c6c1f267659c69999bc440bf986d110c08f
Malware Config
Extracted
C:\2m01b99928-readme.txt
sodinokibi
http://aplebzu47wgazapdqks6vrcv6zcnjppkbxbr6wketf56nf6aq2nmyoyd.onion/46C8047E4CE6091F
http://decryptor.top/46C8047E4CE6091F
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:
ab9755a71005534c3d54354be77f304d7cb931b65a9de9a3b0f5ff85f1118f95.exedescription ioc process File opened for modification \??\c:\users\admin\pictures\ConvertToUnregister.tiff ab9755a71005534c3d54354be77f304d7cb931b65a9de9a3b0f5ff85f1118f95.exe File renamed C:\Users\Admin\Pictures\ConvertToUnregister.tiff => \??\c:\users\admin\pictures\ConvertToUnregister.tiff.2m01b99928 ab9755a71005534c3d54354be77f304d7cb931b65a9de9a3b0f5ff85f1118f95.exe File renamed C:\Users\Admin\Pictures\LimitSet.png => \??\c:\users\admin\pictures\LimitSet.png.2m01b99928 ab9755a71005534c3d54354be77f304d7cb931b65a9de9a3b0f5ff85f1118f95.exe File renamed C:\Users\Admin\Pictures\UsePush.crw => \??\c:\users\admin\pictures\UsePush.crw.2m01b99928 ab9755a71005534c3d54354be77f304d7cb931b65a9de9a3b0f5ff85f1118f95.exe -
Enumerates connected drives 3 TTPs 25 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
Processes:
ab9755a71005534c3d54354be77f304d7cb931b65a9de9a3b0f5ff85f1118f95.exedescription ioc process File opened (read-only) \??\M: ab9755a71005534c3d54354be77f304d7cb931b65a9de9a3b0f5ff85f1118f95.exe File opened (read-only) \??\N: ab9755a71005534c3d54354be77f304d7cb931b65a9de9a3b0f5ff85f1118f95.exe File opened (read-only) \??\P: ab9755a71005534c3d54354be77f304d7cb931b65a9de9a3b0f5ff85f1118f95.exe File opened (read-only) \??\Q: ab9755a71005534c3d54354be77f304d7cb931b65a9de9a3b0f5ff85f1118f95.exe File opened (read-only) \??\Z: ab9755a71005534c3d54354be77f304d7cb931b65a9de9a3b0f5ff85f1118f95.exe File opened (read-only) \??\A: ab9755a71005534c3d54354be77f304d7cb931b65a9de9a3b0f5ff85f1118f95.exe File opened (read-only) \??\G: ab9755a71005534c3d54354be77f304d7cb931b65a9de9a3b0f5ff85f1118f95.exe File opened (read-only) \??\I: ab9755a71005534c3d54354be77f304d7cb931b65a9de9a3b0f5ff85f1118f95.exe File opened (read-only) \??\L: ab9755a71005534c3d54354be77f304d7cb931b65a9de9a3b0f5ff85f1118f95.exe File opened (read-only) \??\O: ab9755a71005534c3d54354be77f304d7cb931b65a9de9a3b0f5ff85f1118f95.exe File opened (read-only) \??\R: ab9755a71005534c3d54354be77f304d7cb931b65a9de9a3b0f5ff85f1118f95.exe File opened (read-only) \??\T: ab9755a71005534c3d54354be77f304d7cb931b65a9de9a3b0f5ff85f1118f95.exe File opened (read-only) \??\U: ab9755a71005534c3d54354be77f304d7cb931b65a9de9a3b0f5ff85f1118f95.exe File opened (read-only) \??\F: ab9755a71005534c3d54354be77f304d7cb931b65a9de9a3b0f5ff85f1118f95.exe File opened (read-only) \??\W: ab9755a71005534c3d54354be77f304d7cb931b65a9de9a3b0f5ff85f1118f95.exe File opened (read-only) \??\H: ab9755a71005534c3d54354be77f304d7cb931b65a9de9a3b0f5ff85f1118f95.exe File opened (read-only) \??\S: ab9755a71005534c3d54354be77f304d7cb931b65a9de9a3b0f5ff85f1118f95.exe File opened (read-only) \??\V: ab9755a71005534c3d54354be77f304d7cb931b65a9de9a3b0f5ff85f1118f95.exe File opened (read-only) \??\D: ab9755a71005534c3d54354be77f304d7cb931b65a9de9a3b0f5ff85f1118f95.exe File opened (read-only) \??\B: ab9755a71005534c3d54354be77f304d7cb931b65a9de9a3b0f5ff85f1118f95.exe File opened (read-only) \??\J: ab9755a71005534c3d54354be77f304d7cb931b65a9de9a3b0f5ff85f1118f95.exe File opened (read-only) \??\K: ab9755a71005534c3d54354be77f304d7cb931b65a9de9a3b0f5ff85f1118f95.exe File opened (read-only) \??\X: ab9755a71005534c3d54354be77f304d7cb931b65a9de9a3b0f5ff85f1118f95.exe File opened (read-only) \??\Y: ab9755a71005534c3d54354be77f304d7cb931b65a9de9a3b0f5ff85f1118f95.exe File opened (read-only) \??\E: ab9755a71005534c3d54354be77f304d7cb931b65a9de9a3b0f5ff85f1118f95.exe -
Sets desktop wallpaper using registry 2 TTPs 1 IoCs
Processes:
ab9755a71005534c3d54354be77f304d7cb931b65a9de9a3b0f5ff85f1118f95.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2361464256-2201551969-2316606395-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\22xwsh9.bmp" ab9755a71005534c3d54354be77f304d7cb931b65a9de9a3b0f5ff85f1118f95.exe -
Drops file in Program Files directory 16 IoCs
Processes:
ab9755a71005534c3d54354be77f304d7cb931b65a9de9a3b0f5ff85f1118f95.exedescription ioc process File created \??\c:\program files\2m01b99928-readme.txt ab9755a71005534c3d54354be77f304d7cb931b65a9de9a3b0f5ff85f1118f95.exe File created \??\c:\program files (x86)\2m01b99928-readme.txt ab9755a71005534c3d54354be77f304d7cb931b65a9de9a3b0f5ff85f1118f95.exe File opened for modification \??\c:\program files\RedoConvertTo.txt ab9755a71005534c3d54354be77f304d7cb931b65a9de9a3b0f5ff85f1118f95.exe File opened for modification \??\c:\program files\AssertPing.dib ab9755a71005534c3d54354be77f304d7cb931b65a9de9a3b0f5ff85f1118f95.exe File opened for modification \??\c:\program files\CloseSubmit.xml ab9755a71005534c3d54354be77f304d7cb931b65a9de9a3b0f5ff85f1118f95.exe File opened for modification \??\c:\program files\CompleteConnect.odp ab9755a71005534c3d54354be77f304d7cb931b65a9de9a3b0f5ff85f1118f95.exe File opened for modification \??\c:\program files\CopyPing.mov ab9755a71005534c3d54354be77f304d7cb931b65a9de9a3b0f5ff85f1118f95.exe File opened for modification \??\c:\program files\GroupJoin.temp ab9755a71005534c3d54354be77f304d7cb931b65a9de9a3b0f5ff85f1118f95.exe File opened for modification \??\c:\program files\InstallConvert.bmp ab9755a71005534c3d54354be77f304d7cb931b65a9de9a3b0f5ff85f1118f95.exe File opened for modification \??\c:\program files\CloseExport.emf ab9755a71005534c3d54354be77f304d7cb931b65a9de9a3b0f5ff85f1118f95.exe File opened for modification \??\c:\program files\EditRead.jpeg ab9755a71005534c3d54354be77f304d7cb931b65a9de9a3b0f5ff85f1118f95.exe File opened for modification \??\c:\program files\OutRepair.vsdx ab9755a71005534c3d54354be77f304d7cb931b65a9de9a3b0f5ff85f1118f95.exe File opened for modification \??\c:\program files\RedoConvertFrom.ttf ab9755a71005534c3d54354be77f304d7cb931b65a9de9a3b0f5ff85f1118f95.exe File opened for modification \??\c:\program files\SendRequest.001 ab9755a71005534c3d54354be77f304d7cb931b65a9de9a3b0f5ff85f1118f95.exe File opened for modification \??\c:\program files\SubmitGrant.vsx ab9755a71005534c3d54354be77f304d7cb931b65a9de9a3b0f5ff85f1118f95.exe File opened for modification \??\c:\program files\SubmitPop.aifc ab9755a71005534c3d54354be77f304d7cb931b65a9de9a3b0f5ff85f1118f95.exe -
Suspicious behavior: EnumeratesProcesses 5 IoCs
Processes:
ab9755a71005534c3d54354be77f304d7cb931b65a9de9a3b0f5ff85f1118f95.exepowershell.exepid process 620 ab9755a71005534c3d54354be77f304d7cb931b65a9de9a3b0f5ff85f1118f95.exe 620 ab9755a71005534c3d54354be77f304d7cb931b65a9de9a3b0f5ff85f1118f95.exe 708 powershell.exe 708 powershell.exe 708 powershell.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
Processes:
powershell.exevssvc.exedescription pid process Token: SeDebugPrivilege 708 powershell.exe Token: SeBackupPrivilege 2352 vssvc.exe Token: SeRestorePrivilege 2352 vssvc.exe Token: SeAuditPrivilege 2352 vssvc.exe -
Suspicious use of WriteProcessMemory 2 IoCs
Processes:
ab9755a71005534c3d54354be77f304d7cb931b65a9de9a3b0f5ff85f1118f95.exedescription pid process target process PID 620 wrote to memory of 708 620 ab9755a71005534c3d54354be77f304d7cb931b65a9de9a3b0f5ff85f1118f95.exe powershell.exe PID 620 wrote to memory of 708 620 ab9755a71005534c3d54354be77f304d7cb931b65a9de9a3b0f5ff85f1118f95.exe powershell.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\ab9755a71005534c3d54354be77f304d7cb931b65a9de9a3b0f5ff85f1118f95.exe"C:\Users\Admin\AppData\Local\Temp\ab9755a71005534c3d54354be77f304d7cb931b65a9de9a3b0f5ff85f1118f95.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/708-122-0x000001E6386A0000-0x000001E6386C2000-memory.dmpFilesize
136KB
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memory/708-125-0x000001E61E6D0000-0x000001E61FFB2000-memory.dmpFilesize
24.9MB
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memory/708-126-0x000001E61FFB3000-0x000001E61FFB5000-memory.dmpFilesize
8KB
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memory/708-127-0x000001E638850000-0x000001E6388C6000-memory.dmpFilesize
472KB