Analysis
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max time kernel
144s -
max time network
32s -
platform
windows7_x64 -
resource
win7v20201028 -
submitted
27-03-2021 00:03
Static task
static1
Behavioral task
behavioral1
Sample
892083cb3f064e9434df593bfdf6f00e48ab68778bfca8d9a64d697d5d19fe5f.dll
Resource
win7v20201028
Behavioral task
behavioral2
Sample
892083cb3f064e9434df593bfdf6f00e48ab68778bfca8d9a64d697d5d19fe5f.dll
Resource
win10v20201028
General
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Target
892083cb3f064e9434df593bfdf6f00e48ab68778bfca8d9a64d697d5d19fe5f.dll
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Size
119KB
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MD5
52d280d45daba695a565e25cdd2863d8
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SHA1
60c525e2a52137514d3dfa72e8a49a0d4da98759
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SHA256
892083cb3f064e9434df593bfdf6f00e48ab68778bfca8d9a64d697d5d19fe5f
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SHA512
8304713277dddc0e9f899d3f91b1a8e33fb654945bd71f45185dcfee70a681df337d53df891272003ec93827aa2d5db77a9c652a3253409fe65b42c368a55701
Malware Config
Extracted
C:\d0epjrx9-read-me-KRBL.txt
sodinokibi
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 24 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
Processes:
regsvr32.exedescription ioc process File opened (read-only) \??\O: regsvr32.exe File opened (read-only) \??\P: regsvr32.exe File opened (read-only) \??\X: regsvr32.exe File opened (read-only) \??\G: regsvr32.exe File opened (read-only) \??\N: regsvr32.exe File opened (read-only) \??\J: regsvr32.exe File opened (read-only) \??\L: regsvr32.exe File opened (read-only) \??\S: regsvr32.exe File opened (read-only) \??\U: regsvr32.exe File opened (read-only) \??\Z: regsvr32.exe File opened (read-only) \??\A: regsvr32.exe File opened (read-only) \??\B: regsvr32.exe File opened (read-only) \??\I: regsvr32.exe File opened (read-only) \??\T: regsvr32.exe File opened (read-only) \??\V: regsvr32.exe File opened (read-only) \??\E: regsvr32.exe File opened (read-only) \??\F: regsvr32.exe File opened (read-only) \??\M: regsvr32.exe File opened (read-only) \??\Q: regsvr32.exe File opened (read-only) \??\R: regsvr32.exe File opened (read-only) \??\W: regsvr32.exe File opened (read-only) \??\Y: regsvr32.exe File opened (read-only) \??\H: regsvr32.exe File opened (read-only) \??\K: regsvr32.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
Processes:
regsvr32.exepid process 2000 regsvr32.exe -
Suspicious use of AdjustPrivilegeToken 5 IoCs
Processes:
regsvr32.exevssvc.exedescription pid process Token: SeDebugPrivilege 2000 regsvr32.exe Token: SeTakeOwnershipPrivilege 2000 regsvr32.exe Token: SeBackupPrivilege 680 vssvc.exe Token: SeRestorePrivilege 680 vssvc.exe Token: SeAuditPrivilege 680 vssvc.exe -
Suspicious use of WriteProcessMemory 7 IoCs
Processes:
regsvr32.exedescription pid process target process PID 1044 wrote to memory of 2000 1044 regsvr32.exe regsvr32.exe PID 1044 wrote to memory of 2000 1044 regsvr32.exe regsvr32.exe PID 1044 wrote to memory of 2000 1044 regsvr32.exe regsvr32.exe PID 1044 wrote to memory of 2000 1044 regsvr32.exe regsvr32.exe PID 1044 wrote to memory of 2000 1044 regsvr32.exe regsvr32.exe PID 1044 wrote to memory of 2000 1044 regsvr32.exe regsvr32.exe PID 1044 wrote to memory of 2000 1044 regsvr32.exe regsvr32.exe
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\892083cb3f064e9434df593bfdf6f00e48ab68778bfca8d9a64d697d5d19fe5f.dll1⤵
- Suspicious use of WriteProcessMemory
PID:1044 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\892083cb3f064e9434df593bfdf6f00e48ab68778bfca8d9a64d697d5d19fe5f.dll2⤵
- Enumerates connected drives
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2000
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C:\Windows\system32\wbem\unsecapp.exeC:\Windows\system32\wbem\unsecapp.exe -Embedding1⤵PID:1104
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:680