Analysis
- max time kernel
148s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20240426-en - resource tags
- submitted
02/06/2024, 22:27
General
- Target 2024-06-02_c3199f1cf713409ecf36da2206e7b844_cryptolocker.exe
- Size 39KB
- Sample240602-2c3hdshc41
- SHA256 4b8b87680b2a55f7ce788196f0695f862e2dc08a0299343891aa7df08b6ed754
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\2024-06-02_c3199f1cf713409ecf36da2206e7b844_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-02_c3199f1cf713409ecf36da2206e7b844_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
Loading Replay Monitor...
Downloads
rewok.exe
memory/2268-25-0x0000000002EA0000-0x0000000002EA6000-memory.dmp
memory/4672-0-0x00000000020A0000-0x00000000020A6000-memory.dmp
memory/4672-1-0x00000000020A0000-0x00000000020A6000-memory.dmp
memory/4672-2-0x0000000000400000-0x0000000000406000-memory.dmp