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_877224cbc2850d285e6a4c573ed64a4e_cryptolocker.exe
- Size 54KB
- Sample240612-yd2eyaxeje
- SHA256 cbf0a4bc777adb83af974148376bb5ad959d1c69ebd068c889ef17d81812ad5f
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 1 IoCs
- Detection of Cryptolocker Samples 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_877224cbc2850d285e6a4c573ed64a4e_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-12_877224cbc2850d285e6a4c573ed64a4e_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/940-17-0x00000000004D0000-0x00000000004D6000-memory.dmp
memory/940-18-0x00000000004F0000-0x00000000004F6000-memory.dmp
memory/4720-0-0x0000000000660000-0x0000000000666000-memory.dmp
memory/4720-1-0x0000000000860000-0x0000000000866000-memory.dmp
memory/4720-8-0x0000000000660000-0x0000000000666000-memory.dmp