Analysis
- max time kernel
150s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
- submitted
13/06/2024, 01:46
General
- Target 2024-06-13_fda0235d92c0f6ce8a97299f7aced3bc_cryptolocker.exe
- Size 47KB
- Sample240613-b665katcrq
- SHA256 9a183b2444e1ccc3bc768cfa83fcd8d5f4616c82af69a774a8501460fb878526
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 4 IoCs
- Detection of Cryptolocker Samples 4 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\2024-06-13_fda0235d92c0f6ce8a97299f7aced3bc_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-13_fda0235d92c0f6ce8a97299f7aced3bc_cryptolocker.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\asih.exe"C:\Users\Admin\AppData\Local\Temp\asih.exe"2⤵
- Executes dropped EXE
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
asih.exe
memory/372-19-0x0000000002040000-0x0000000002046000-memory.dmp
memory/372-25-0x0000000002150000-0x0000000002156000-memory.dmp
memory/372-26-0x0000000000500000-0x000000000050B000-memory.dmp
memory/1360-0-0x0000000000500000-0x000000000050B000-memory.dmp
memory/1360-1-0x00000000006A0000-0x00000000006A6000-memory.dmp
memory/1360-9-0x00000000006A0000-0x00000000006A6000-memory.dmp
memory/1360-4-0x00000000006C0000-0x00000000006C6000-memory.dmp
memory/1360-16-0x0000000000500000-0x000000000050B000-memory.dmp