Analysis
- max time kernel
148s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20231222-en - resource tags
- submitted
12/02/2024, 20:19
General
- Target 2024-02-12_c6c227032358e9c8d937e3c0c67498a5_cryptolocker.exe
- Size 45KB
- Sample240212-y3yeksdc35
- SHA256 80ad6ad8a3bc3c808b014cee99cfe38f612f46e89563bd1c4861046af9fd97b1
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\2024-02-12_c6c227032358e9c8d937e3c0c67498a5_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-02-12_c6c227032358e9c8d937e3c0c67498a5_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/4272-18-0x0000000002070000-0x0000000002076000-memory.dmp
memory/4272-17-0x0000000002050000-0x0000000002056000-memory.dmp
memory/4592-0-0x00000000005A0000-0x00000000005A6000-memory.dmp
memory/4592-1-0x00000000005A0000-0x00000000005A6000-memory.dmp
memory/4592-2-0x00000000005C0000-0x00000000005C6000-memory.dmp