Analysis
- max time kernel
150s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
- submitted
11/06/2024, 03:43
General
- Target 2024-06-11_cad294d69fa8e38f3dd1f551aedd3ed3_cryptolocker.exe
- Size 67KB
- Sample240611-d94jystemj
- SHA256 431ee188b631a051fa93a900652fafc3cb088c5052a1ada2e76f0d5a3bf9f03f
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\2024-06-11_cad294d69fa8e38f3dd1f551aedd3ed3_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-11_cad294d69fa8e38f3dd1f551aedd3ed3_cryptolocker.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\hurok.exe"C:\Users\Admin\AppData\Local\Temp\hurok.exe"2⤵
- Executes dropped EXE
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
hurok.exe
memory/4676-0-0x00000000021C0000-0x00000000021C6000-memory.dmp
memory/4676-1-0x0000000000400000-0x0000000000406000-memory.dmp
memory/4676-8-0x00000000021C0000-0x00000000021C6000-memory.dmp
memory/5088-25-0x0000000000730000-0x0000000000736000-memory.dmp