Analysis
- max time kernel
148s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20231215-en - resource tags
- submitted
08/03/2024, 05:53
General
- Target 2024-03-08_71f9d3026bd3d4bdeae30f3393480535_cryptolocker.exe
- Size 43KB
- Sample240308-gldkeagf74
- SHA256 865b663c9faac1828a07c95d2c37547e7888f743ed93fcafa4307dd75e1b8e61
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\2024-03-08_71f9d3026bd3d4bdeae30f3393480535_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-03-08_71f9d3026bd3d4bdeae30f3393480535_cryptolocker.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\rewok.exe"C:\Users\Admin\AppData\Local\Temp\rewok.exe"2⤵
- Executes dropped EXE
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
rewok.exe
memory/3052-0-0x00000000021D0000-0x00000000021D6000-memory.dmp
memory/3052-1-0x00000000021D0000-0x00000000021D6000-memory.dmp
memory/3052-2-0x0000000000400000-0x0000000000406000-memory.dmp
memory/3692-25-0x00000000005E0000-0x00000000005E6000-memory.dmp