Analysis
- max time kernel
147s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
- submitted
01/06/2024, 19:08
General
- Target 2024-06-01_5406d257249f78433d5d4aed5d9da2ec_cryptolocker.exe
- Size 36KB
- Sample240601-xtcabaca8s
- SHA256 cb5be874fed549dce066542212052d7cff7f960c48012760feab16342e576738
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\2024-06-01_5406d257249f78433d5d4aed5d9da2ec_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-01_5406d257249f78433d5d4aed5d9da2ec_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/2068-25-0x00000000005F0000-0x00000000005F6000-memory.dmp
memory/4072-0-0x0000000002150000-0x0000000002156000-memory.dmp
memory/4072-1-0x0000000000400000-0x0000000000406000-memory.dmp
memory/4072-8-0x0000000002150000-0x0000000002156000-memory.dmp