Analysis
- max time kernel
148s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20240426-en - resource tags
- submitted
02/06/2024, 22:26
General
- Target 2024-06-02_e37c0c18ebc91ddad7db8a612fa1eac0_cryptolocker.exe
- Size 46KB
- Sample240602-2cnn8sad28
- SHA256 a6cdf719355c70dc894b419963750a06e6cb8750fbb6a2f7db76eef630c0bea7
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 5 IoCs
- Detection of Cryptolocker Samples 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\2024-06-02_e37c0c18ebc91ddad7db8a612fa1eac0_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-02_e37c0c18ebc91ddad7db8a612fa1eac0_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
Loading Replay Monitor...
Downloads
asih.exe
memory/1972-16-0x0000000000500000-0x000000000050B000-memory.dmp
memory/1972-20-0x00000000004F0000-0x00000000004F6000-memory.dmp
memory/1972-26-0x00000000004D0000-0x00000000004D6000-memory.dmp
memory/1972-27-0x0000000000500000-0x000000000050B000-memory.dmp
memory/2332-0-0x0000000000500000-0x000000000050B000-memory.dmp
memory/2332-2-0x0000000002070000-0x0000000002076000-memory.dmp
memory/2332-1-0x0000000000570000-0x0000000000576000-memory.dmp
memory/2332-9-0x0000000000570000-0x0000000000576000-memory.dmp
memory/2332-18-0x0000000000500000-0x000000000050B000-memory.dmp