Analysis
- max time kernel
150s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20231215-en - resource tags
- submitted
28/01/2024, 21:44
General
- Target 2024-01-28_13d0a9e94b37fcebbb84ba5421206b26_cryptolocker.exe
- Size 41KB
- Sample240128-1lfvbaccap
- SHA256 3f1ee5da19658eec62c0a07f45ea15381d23aa058ceace18ec3ba02f4e3f294f
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\2024-01-28_13d0a9e94b37fcebbb84ba5421206b26_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-01-28_13d0a9e94b37fcebbb84ba5421206b26_cryptolocker.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\hasfj.exe"C:\Users\Admin\AppData\Local\Temp\hasfj.exe"2⤵
- Executes dropped EXE
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
hasfj.exe
memory/588-0-0x00000000021D0000-0x00000000021D6000-memory.dmp
memory/588-1-0x00000000021D0000-0x00000000021D6000-memory.dmp
memory/588-2-0x0000000003150000-0x0000000003156000-memory.dmp
memory/3324-17-0x0000000002140000-0x0000000002146000-memory.dmp
memory/3324-23-0x0000000000670000-0x0000000000676000-memory.dmp