Analysis
- max time kernel
134s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20231215-en - resource tags
- submitted
26/01/2024, 20:40
General
- Target 2024-01-26_bdef7227fe0703774745bad28e53b72f_cryptolocker.exe
- Size 59KB
- Sample240126-zf69msfdhr
- SHA256 85a27a126b8de91a6864c868b78470d23bbe494fc21a5fff92d6d829cc8d7702
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 1 IoCs
- Checks computer location settings 2 TTPs 2 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\2024-01-26_bdef7227fe0703774745bad28e53b72f_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-01-26_bdef7227fe0703774745bad28e53b72f_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⤵
- Checks computer location settings
- Executes dropped EXE
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
gewos.exe
memory/3024-20-0x0000000002EA0000-0x0000000002EA6000-memory.dmp
memory/3820-0-0x0000000000630000-0x0000000000636000-memory.dmp
memory/3820-1-0x0000000000630000-0x0000000000636000-memory.dmp
memory/3820-2-0x0000000000400000-0x0000000000406000-memory.dmp