Analysis
- max time kernel
150s - max time network
157s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
- submitted
13/06/2024, 01:38
General
- Target 2024-06-13_9cc264f4d60009f978f126ccd616d44a_cryptolocker.exe
- Size 43KB
- Sample240613-b2n37azbmg
- SHA256 f42beb30acaf2725fdcd59f0dab7f520399faf7208dd85c514bf51b184778091
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_9cc264f4d60009f978f126ccd616d44a_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-13_9cc264f4d60009f978f126ccd616d44a_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/236-0-0x0000000000500000-0x000000000050B000-memory.dmp
memory/236-1-0x00000000006A0000-0x00000000006A6000-memory.dmp
memory/236-2-0x00000000006C0000-0x00000000006C6000-memory.dmp
memory/236-9-0x00000000006A0000-0x00000000006A6000-memory.dmp
memory/236-18-0x0000000000500000-0x000000000050B000-memory.dmp
memory/1400-17-0x0000000000500000-0x000000000050B000-memory.dmp
memory/1400-20-0x00000000007F0000-0x00000000007F6000-memory.dmp
memory/1400-26-0x0000000000670000-0x0000000000676000-memory.dmp