Analysis
- max time kernel
149s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
- submitted
27/05/2024, 11:26
General
- Target 2024-05-27_704f6f3386bc3e56cab4358e394d9640_cryptolocker.exe
- Size 35KB
- Sample240527-nkceaaaf94
- SHA256 a3bbb4fb1fc90dc369e22423f6a07500d706df3d7e02764a7df9d33d47d6ec9e
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\2024-05-27_704f6f3386bc3e56cab4358e394d9640_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-27_704f6f3386bc3e56cab4358e394d9640_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/736-25-0x00000000020A0000-0x00000000020A6000-memory.dmp
memory/1976-0-0x0000000002210000-0x0000000002216000-memory.dmp
memory/1976-1-0x0000000000400000-0x0000000000406000-memory.dmp
memory/1976-8-0x0000000002210000-0x0000000002216000-memory.dmp