Analysis
- max time kernel
148s - max time network
156s - platform
windows10-2004_x64 - resource
win10v2004-20240412-en - resource tags
- submitted
22/04/2024, 02:03
General
- Target 2024-04-22_75576368d3cd354821e921510313d440_cryptolocker.exe
- Size 95KB
- Sample240422-cgx12aeb63
- SHA256 d5db05c659159b1afd9f53b03d7ddc4a1f94b7df4504fc35d631c747d16c7824
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 4 IoCs
- Detection of Cryptolocker Samples 4 IoCs
- Detects executables built or packed with MPress PE compressor 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\2024-04-22_75576368d3cd354821e921510313d440_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-04-22_75576368d3cd354821e921510313d440_cryptolocker.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\misid.exe"C:\Users\Admin\AppData\Local\Temp\misid.exe"2⤵
- Executes dropped EXE
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
misid.exe
memory/1352-0-0x0000000000500000-0x0000000000510000-memory.dmp
memory/1352-1-0x00000000004D0000-0x00000000004D6000-memory.dmp
memory/1352-3-0x00000000004D0000-0x00000000004D6000-memory.dmp
memory/1352-2-0x00000000004F0000-0x00000000004F6000-memory.dmp
memory/1352-17-0x0000000000500000-0x0000000000510000-memory.dmp
memory/3264-20-0x00000000006D0000-0x00000000006D6000-memory.dmp
memory/3264-19-0x00000000006A0000-0x00000000006A6000-memory.dmp
memory/3264-26-0x0000000000500000-0x0000000000510000-memory.dmp