Analysis
- max time kernel
150s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20240426-en - resource tags
- submitted
03/06/2024, 10:37
General
- Target 2024-06-03_b059feefd4be7876afc2800ac753c66d_cryptolocker.exe
- Size 48KB
- Sample240603-mn36qsbe8x
- SHA256 e66008e42ee31205f3f37a7f2e506882b81f1c5b8f5f0a5871c0391f466bd2eb
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\2024-06-03_b059feefd4be7876afc2800ac753c66d_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-03_b059feefd4be7876afc2800ac753c66d_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/1324-0-0x0000000000500000-0x000000000050B000-memory.dmp
memory/1324-1-0x00000000006B0000-0x00000000006B6000-memory.dmp
memory/1324-2-0x0000000002090000-0x0000000002096000-memory.dmp
memory/1324-9-0x00000000006B0000-0x00000000006B6000-memory.dmp
memory/1324-17-0x0000000000500000-0x000000000050B000-memory.dmp
memory/2044-19-0x0000000000650000-0x0000000000656000-memory.dmp
memory/2044-25-0x0000000000630000-0x0000000000636000-memory.dmp
memory/2044-26-0x0000000000500000-0x000000000050B000-memory.dmp