Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
- submitted
09/09/2024, 22:26
General
- Target 2024-09-09_bbd6744cd9a5bbba69cdc4deb79f8335_cryptolocker.exe
- Size 48KB
- Sample240909-2ctkgstcnj
- SHA256 bd8bf93d69532f6875045f7094852256195dbdc5aa98da5e5b3bec206f30071a
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\2024-09-09_bbd6744cd9a5bbba69cdc4deb79f8335_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-09-09_bbd6744cd9a5bbba69cdc4deb79f8335_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/1288-0-0x0000000000500000-0x000000000050B000-memory.dmp
memory/1288-1-0x0000000000520000-0x0000000000526000-memory.dmp
memory/1288-2-0x0000000000520000-0x0000000000526000-memory.dmp
memory/1288-3-0x0000000002230000-0x0000000002236000-memory.dmp
memory/1288-17-0x0000000000500000-0x000000000050B000-memory.dmp
memory/4628-19-0x0000000001FF0000-0x0000000001FF6000-memory.dmp
memory/4628-25-0x0000000001FD0000-0x0000000001FD6000-memory.dmp
memory/4628-26-0x0000000000500000-0x000000000050B000-memory.dmp