Analysis
- max time kernel
150s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
- submitted
03/06/2024, 09:33
General
- Target 2024-06-03_5391c79052b1888ee47b46b74eb41286_cryptolocker.exe
- Size 45KB
- Sample240603-ljd6dabe24
- SHA256 8bad96eaed17afbd75a22eead783f131ebc82808d64bd1ced23e7e448a55dfae
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 5 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_5391c79052b1888ee47b46b74eb41286_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-03_5391c79052b1888ee47b46b74eb41286_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
Loading Replay Monitor...
Downloads
hasfj.exe
memory/644-0-0x0000000008000000-0x000000000800D000-memory.dmp
memory/644-1-0x0000000002EA0000-0x0000000002EA6000-memory.dmp
memory/644-2-0x0000000003150000-0x0000000003156000-memory.dmp
memory/644-9-0x0000000002EA0000-0x0000000002EA6000-memory.dmp
memory/644-17-0x0000000008000000-0x000000000800D000-memory.dmp
memory/4508-18-0x0000000008000000-0x000000000800D000-memory.dmp
memory/4508-20-0x0000000003010000-0x0000000003016000-memory.dmp
memory/4508-26-0x00000000020A0000-0x00000000020A6000-memory.dmp
memory/4508-27-0x0000000008000000-0x000000000800D000-memory.dmp