Analysis
- max time kernel
149s - max time network
153s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
- submitted
25/05/2024, 02:24
General
- Target 2024-05-25_090f0e0aa298c15bbc0e6667ce00bd72_cryptolocker.exe
- Size 63KB
- Sample240525-cv59kabe47
- SHA256 2e5548153eb0471fe54f094816fbd8a72743e382f2aef4d8d3ed635abbfd8e01
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\2024-05-25_090f0e0aa298c15bbc0e6667ce00bd72_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-25_090f0e0aa298c15bbc0e6667ce00bd72_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
gewosik.exe
memory/3588-25-0x0000000002120000-0x0000000002126000-memory.dmp
memory/3612-0-0x0000000002050000-0x0000000002056000-memory.dmp
memory/3612-1-0x0000000000400000-0x0000000000406000-memory.dmp
memory/3612-8-0x0000000002050000-0x0000000002056000-memory.dmp