Analysis
- max time kernel
150s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
- submitted
11/06/2024, 12:48
General
- Target 2024-06-11_a93be013d2f62e81b4e20abd304cd7d8_cryptolocker.exe
- Size 43KB
- Sample240611-p14ddaxdjg
- SHA256 5a57a9a7fb2241b3c396d7ba86d1c9f58d5475950c93a04863a1f4b9500dbb1c
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 5 IoCs
- Detection of Cryptolocker Samples 4 IoCs
- Detects executables built or packed with MPress PE compressor 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\2024-06-11_a93be013d2f62e81b4e20abd304cd7d8_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-11_a93be013d2f62e81b4e20abd304cd7d8_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/1012-0-0x0000000000500000-0x000000000050E000-memory.dmp
memory/1012-1-0x00000000004D0000-0x00000000004D6000-memory.dmp
memory/1012-2-0x00000000004F0000-0x00000000004F6000-memory.dmp
memory/1012-9-0x00000000004D0000-0x00000000004D6000-memory.dmp
memory/1012-17-0x0000000000500000-0x000000000050E000-memory.dmp
memory/5064-19-0x0000000000500000-0x000000000050E000-memory.dmp
memory/5064-21-0x0000000000660000-0x0000000000666000-memory.dmp
memory/5064-27-0x00000000004E0000-0x00000000004E6000-memory.dmp
memory/5064-28-0x0000000000500000-0x000000000050E000-memory.dmp