Analysis
- max time kernel
150s - max time network
147s - platform
windows10-2004_x64 - resource
win10v2004-20240426-en - resource tags
- submitted
01/06/2024, 18:27
General
- Target 2024-06-01_654a19a4419aeeecc49a7d91571a831a_cryptolocker.exe
- Size 41KB
- Sample240601-w339qaba41
- SHA256 8106e9d46adfa44d210a78e9018f522237ecd8186918c38bb9c9c47bc0e81bec
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\2024-06-01_654a19a4419aeeecc49a7d91571a831a_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-01_654a19a4419aeeecc49a7d91571a831a_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/228-17-0x0000000003010000-0x0000000003016000-memory.dmp
memory/228-23-0x0000000002120000-0x0000000002126000-memory.dmp
memory/4012-0-0x0000000002EA0000-0x0000000002EA6000-memory.dmp
memory/4012-1-0x0000000003150000-0x0000000003156000-memory.dmp
memory/4012-8-0x0000000002EA0000-0x0000000002EA6000-memory.dmp