Analysis
- max time kernel
121s - max time network
179s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
- submitted
12/10/2022, 06:03
General
- Target PO#1135 - 裕偉 (2).exe
- Size 278KB
- Sample221012-gr1xwscfgp
- SHA256 8de88d3403aea70bfafb52711ae187b8abaadb60d87be9afbc5bdbe33bb51cdd
Malware Config
Signatures
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Suspicious behavior: EnumeratesProcesses 22 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 3 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\PO#1135 - 裕偉 (2).exe"C:\Users\Admin\AppData\Local\Temp\PO#1135 - 裕偉 (2).exe"1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAMgAwAA==2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/2032-132-0x0000000000570000-0x00000000005BA000-memory.dmp
memory/2032-133-0x0000000005440000-0x00000000059E4000-memory.dmp
memory/2032-134-0x0000000004F70000-0x0000000005002000-memory.dmp
memory/2032-135-0x0000000005100000-0x000000000510A000-memory.dmp
memory/2032-136-0x0000000008230000-0x0000000008252000-memory.dmp
memory/3676-138-0x0000000002E00000-0x0000000002E36000-memory.dmp
memory/3676-139-0x0000000005590000-0x0000000005BB8000-memory.dmp
memory/3676-140-0x0000000005C30000-0x0000000005C96000-memory.dmp
memory/3676-141-0x0000000005CA0000-0x0000000005D06000-memory.dmp
memory/3676-142-0x0000000006460000-0x000000000647E000-memory.dmp
memory/3676-143-0x0000000007CC0000-0x000000000833A000-memory.dmp
memory/3676-144-0x00000000067B0000-0x00000000067CA000-memory.dmp