Analysis
- max time kernel
149s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
- submitted
03/06/2024, 12:34
General
- Target 2024-06-03_ad0185f112c951338290204b26b15c32_cryptolocker.exe
- Size 55KB
- Sample240603-pr4yjsef2v
- SHA256 83b211480047751f3f5e4af4dc0781707b7b55f7d7a686869983ac25856a8e08
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\2024-06-03_ad0185f112c951338290204b26b15c32_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-03_ad0185f112c951338290204b26b15c32_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/224-0-0x0000000002EA0000-0x0000000002EA6000-memory.dmp
memory/224-1-0x0000000000400000-0x0000000000406000-memory.dmp
memory/224-8-0x0000000002EA0000-0x0000000002EA6000-memory.dmp
memory/4240-25-0x0000000002120000-0x0000000002126000-memory.dmp