Analysis
- max time kernel
148s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20240426-en - resource tags
- submitted
06/06/2024, 21:31
General
- Target 2024-06-06_8d313c5ded3c7eb1843a07bb81a63a23_cryptolocker.exe
- Size 48KB
- Sample240606-1dc4fsdd69
- SHA256 0fa317ea0afdcc505ad5db0a2889a6f8519862e1d4a0ef05904e163d74f0a0fa
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\2024-06-06_8d313c5ded3c7eb1843a07bb81a63a23_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-06_8d313c5ded3c7eb1843a07bb81a63a23_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/516-18-0x0000000000500000-0x000000000050F000-memory.dmp
memory/516-26-0x0000000000620000-0x0000000000626000-memory.dmp
memory/516-20-0x0000000000650000-0x0000000000656000-memory.dmp
memory/4868-0-0x0000000000500000-0x000000000050F000-memory.dmp
memory/4868-1-0x00000000004E0000-0x00000000004E6000-memory.dmp
memory/4868-2-0x0000000002100000-0x0000000002106000-memory.dmp
memory/4868-9-0x00000000004E0000-0x00000000004E6000-memory.dmp
memory/4868-17-0x0000000000500000-0x000000000050F000-memory.dmp