Analysis
- max time kernel
148s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
- submitted
25/05/2024, 02:33
General
- Target 2024-05-25_3098b8fbf96698a9cd1cc5abacaeb5f0_cryptolocker.exe
- Size 46KB
- Sample240525-c171cabe5t
- SHA256 c58c03aaf35d981ab2b392df2f12c80e7cb0f5fb971be145b8f61da11c9db5bd
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 1 IoCs
- Detection of Cryptolocker Samples 1 IoCs
- 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).
- Suspicious use of WriteProcessMemory 3 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\2024-05-25_3098b8fbf96698a9cd1cc5abacaeb5f0_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-25_3098b8fbf96698a9cd1cc5abacaeb5f0_cryptolocker.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\asih.exe"C:\Users\Admin\AppData\Local\Temp\asih.exe"2⤵
- Executes dropped EXE
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
asih.exe
memory/1752-17-0x0000000002100000-0x0000000002106000-memory.dmp
memory/1752-23-0x00000000004D0000-0x00000000004D6000-memory.dmp
memory/3644-0-0x0000000000730000-0x0000000000736000-memory.dmp
memory/3644-1-0x0000000000750000-0x0000000000756000-memory.dmp
memory/3644-8-0x0000000000730000-0x0000000000736000-memory.dmp