Analysis
- max time kernel
149s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
- submitted
26/05/2024, 03:54
General
- Target 2024-05-26_c29e08e0cd3c7bc71e81a8831141ad70_cryptolocker.exe
- Size 35KB
- Sample240526-ef69esea3v
- SHA256 3c628eb0a70bf741553e4de711bf13f9ae1599fe22682bd3d59b1405806be9f6
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\2024-05-26_c29e08e0cd3c7bc71e81a8831141ad70_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-26_c29e08e0cd3c7bc71e81a8831141ad70_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/388-0-0x0000000002160000-0x0000000002166000-memory.dmp
memory/388-1-0x0000000000400000-0x0000000000406000-memory.dmp
memory/388-8-0x0000000002160000-0x0000000002166000-memory.dmp
memory/1512-25-0x0000000000570000-0x0000000000576000-memory.dmp