Analysis
- max time kernel
148s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
- submitted
08/06/2024, 08:30
General
- Target 2024-06-08_66537a7da845702f7667069f12236c6b_cryptolocker.exe
- Size 40KB
- Sample240608-kd5kpsae3x
- SHA256 b24533250e96ce3f8dac506b8d0244983add5a0444f16156a88825c25ee3f088
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 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\2024-06-08_66537a7da845702f7667069f12236c6b_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-08_66537a7da845702f7667069f12236c6b_cryptolocker.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\gewos.exe"C:\Users\Admin\AppData\Local\Temp\gewos.exe"2⤵
- Executes dropped EXE
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
gewos.exe
memory/3832-25-0x0000000000780000-0x0000000000786000-memory.dmp
memory/4268-0-0x0000000002EA0000-0x0000000002EA6000-memory.dmp
memory/4268-1-0x0000000000400000-0x0000000000406000-memory.dmp
memory/4268-8-0x0000000002EA0000-0x0000000002EA6000-memory.dmp