Analysis
- max time kernel
148s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20240426-en - resource tags
- submitted
06/06/2024, 21:29
General
- Target 2024-06-06_7837185117876ab8b8bd5163779b359e_cryptolocker.exe
- Size 45KB
- Sample240606-1b69hsdd52
- SHA256 3d7b3d4fef1601476661759d5697c6d3edb68720d36a3a3a806ffc3c2e1327c3
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\2024-06-06_7837185117876ab8b8bd5163779b359e_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-06_7837185117876ab8b8bd5163779b359e_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/1792-0-0x0000000000670000-0x0000000000676000-memory.dmp
memory/1792-8-0x0000000000670000-0x0000000000676000-memory.dmp
memory/1792-1-0x0000000000400000-0x0000000000406000-memory.dmp
memory/4760-25-0x0000000002EA0000-0x0000000002EA6000-memory.dmp