Analysis
- max time kernel
150s - max time network
151s - platform
windows7_x64 - resource
win7-20240221-en - resource tags
- submitted
02/06/2024, 22:42
General
- Target 2024-06-02_039935c0f08da61301d918cafd8dc257_cryptolocker.exe
- Size 70KB
- Sample240602-2mv63aah25
- SHA256 9a898dee7c0cd9c299a74577c0693982ac9127b9f97f84e8bbc8a8bd17071805
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 4 IoCs
- Detection of Cryptolocker Samples 2 IoCs
- UPX dump on OEP (original entry point) 4 IoCs
- Executes dropped EXE 1 IoCs
- Loads dropped DLL 1 IoCs
- UPX packed file 4 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious use of WriteProcessMemory 4 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\2024-06-02_039935c0f08da61301d918cafd8dc257_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-02_039935c0f08da61301d918cafd8dc257_cryptolocker.exe"1⤵
- Loads dropped DLL
- 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/2188-0-0x0000000000240000-0x0000000000246000-memory.dmp
memory/2188-1-0x0000000000280000-0x0000000000286000-memory.dmp
memory/2188-8-0x0000000000240000-0x0000000000246000-memory.dmp
memory/2188-7-0x0000000000500000-0x0000000000510000-memory.dmp
memory/2188-13-0x0000000000630000-0x0000000000640000-memory.dmp
memory/2952-18-0x0000000001CA0000-0x0000000001CA6000-memory.dmp
memory/2952-25-0x00000000004E0000-0x00000000004E6000-memory.dmp
memory/2952-26-0x0000000000500000-0x0000000000510000-memory.dmp