Analysis
- max time kernel
150s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
- submitted
13/06/2024, 05:42
General
- Target 2024-06-13_c5899c34324d5950e096e89a804d6912_cryptolocker.exe
- Size 63KB
- Sample240613-gd28sszekm
- SHA256 8d1613af261f0c3b6e8691e146797cccd173cc80311cd190eadc31e84fe3b56b
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\2024-06-13_c5899c34324d5950e096e89a804d6912_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-13_c5899c34324d5950e096e89a804d6912_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
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Downloads
gewos.exe
memory/4064-25-0x00000000020D0000-0x00000000020D6000-memory.dmp
memory/4852-0-0x0000000002140000-0x0000000002146000-memory.dmp
memory/4852-1-0x0000000000400000-0x0000000000406000-memory.dmp
memory/4852-8-0x0000000002140000-0x0000000002146000-memory.dmp