Analysis
- max time kernel
150s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
- submitted
12/06/2024, 19:40
General
- Target 2024-06-12_86225c7521d063ed6137091329ace8bb_cryptolocker.exe
- Size 42KB
- Sample240612-ydtebsxdrf
- SHA256 553866c460ee2a8834a78fc1db703c5762a71cf0ed9a72a1e94c9d1a3f2b6d6d
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\2024-06-12_86225c7521d063ed6137091329ace8bb_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-12_86225c7521d063ed6137091329ace8bb_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/4660-0-0x0000000000780000-0x0000000000786000-memory.dmp
memory/4660-1-0x0000000003150000-0x0000000003156000-memory.dmp
memory/4660-8-0x0000000000780000-0x0000000000786000-memory.dmp
memory/4956-17-0x0000000003010000-0x0000000003016000-memory.dmp
memory/4956-23-0x0000000002D60000-0x0000000002D66000-memory.dmp