Analysis
- max time kernel
91s - max time network
93s - platform
windows10-2004_x64 - resource
win10v2004-20240611-en - resource tags
- submitted
12/06/2024, 23:35
General
- Target 2024-06-12_b4a168966711f5ff4599e2fe1356a246_cryptolocker.exe
- Size 31KB
- Sample240612-3lctrsyfqj
- SHA256 99dd5d4219dcaa104a464d597a071131fe0ae12dfeaeff982370b947e6698b39
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 1 IoCs
- Checks computer location settings 2 TTPs 2 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\2024-06-12_b4a168966711f5ff4599e2fe1356a246_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-12_b4a168966711f5ff4599e2fe1356a246_cryptolocker.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\demka.exe"C:\Users\Admin\AppData\Local\Temp\demka.exe"2⤵
- Checks computer location settings
- Executes dropped EXE
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
demka.exe
medkem.exe
memory/1460-25-0x0000000002160000-0x0000000002166000-memory.dmp
memory/4356-0-0x0000000002D60000-0x0000000002D66000-memory.dmp
memory/4356-1-0x0000000000400000-0x0000000000406000-memory.dmp
memory/4356-8-0x0000000002D60000-0x0000000002D66000-memory.dmp