Analysis
- max time kernel
149s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
- submitted
27/09/2024, 07:26
General
- Target 2024-09-27_a782cf32de636d204b45b51513a2b544_cryptolocker.exe
- Size 59KB
- Sample240927-h9k5tsvanf
- SHA256 5d627db35e38fb9c04ee882b2ceb09fc8de3284caddb3666bbf0c68bae8ea24c
Malware Config
Signatures
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious use of WriteProcessMemory 3 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\2024-09-27_a782cf32de636d204b45b51513a2b544_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-09-27_a782cf32de636d204b45b51513a2b544_cryptolocker.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\asih.exe"C:\Users\Admin\AppData\Local\Temp\asih.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
asih.exe
memory/3436-0-0x0000000000500000-0x000000000050F000-memory.dmp
memory/3436-1-0x0000000002280000-0x0000000002286000-memory.dmp
memory/3436-2-0x0000000002280000-0x0000000002286000-memory.dmp
memory/3436-3-0x00000000021A0000-0x00000000021A6000-memory.dmp
memory/3436-17-0x0000000000500000-0x000000000050F000-memory.dmp
memory/4880-19-0x0000000000640000-0x0000000000646000-memory.dmp
memory/4880-21-0x0000000000660000-0x0000000000666000-memory.dmp
memory/4880-26-0x0000000000500000-0x000000000050F000-memory.dmp