Analysis
- max time kernel
149s - max time network
160s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
- submitted
26/05/2024, 03:41
General
- Target 2024-05-26_67da9b27eda6312f75700adc692a629b_cryptolocker.exe
- Size 74KB
- Sample240526-d88saade9x
- SHA256 6b2cf5d209ae6dbf4d8e6c1588817187cd744ea6ccdfc322400a6081df05be65
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\2024-05-26_67da9b27eda6312f75700adc692a629b_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-26_67da9b27eda6312f75700adc692a629b_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/760-17-0x00000000004E0000-0x00000000004E6000-memory.dmp
memory/760-18-0x0000000000660000-0x0000000000666000-memory.dmp
memory/1512-0-0x00000000005A0000-0x00000000005A6000-memory.dmp
memory/1512-1-0x00000000005A0000-0x00000000005A6000-memory.dmp
memory/1512-2-0x00000000005C0000-0x00000000005C6000-memory.dmp