Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20240412-en - resource tags
- submitted
26/04/2024, 04:25
General
- Target 2024-04-26_0cf25db13e28609b788b10be4df793f2_cryptolocker.exe
- Size 47KB
- Sample240426-e2gkwsaa24
- SHA256 6421386a233cccb9bc3b7e40ba083798e729db181ab51b1cb68558664fbe58e6
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\2024-04-26_0cf25db13e28609b788b10be4df793f2_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-04-26_0cf25db13e28609b788b10be4df793f2_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/212-18-0x0000000000500000-0x000000000050F000-memory.dmp
memory/212-20-0x00000000004F0000-0x00000000004F6000-memory.dmp
memory/212-22-0x00000000004D0000-0x00000000004D6000-memory.dmp
memory/3128-0-0x0000000000500000-0x000000000050F000-memory.dmp
memory/3128-1-0x0000000000730000-0x0000000000736000-memory.dmp
memory/3128-2-0x0000000000730000-0x0000000000736000-memory.dmp
memory/3128-3-0x00000000020F0000-0x00000000020F6000-memory.dmp
memory/3128-17-0x0000000000500000-0x000000000050F000-memory.dmp