Analysis
- max time kernel
133s - max time network
124s - platform
windows10-2004_x64 - resource
win10v2004-20240419-en - resource tags
- submitted
08/05/2024, 04:23
General
- Target 2024-05-08_0440d2a851a65da25e83a2490bf1197c_cryptolocker.exe
- Size 52KB
- Sample240508-ezwxssdb38
- SHA256 1d3da04cb417854eee0669bd62b7e5d5d3ba2fb2733ae8bd6669a7fadb8ed6ed
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 1 IoCs
- Detection of Cryptolocker Samples 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\2024-05-08_0440d2a851a65da25e83a2490bf1197c_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-08_0440d2a851a65da25e83a2490bf1197c_cryptolocker.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\hurok.exe"C:\Users\Admin\AppData\Local\Temp\hurok.exe"2⤵
- Checks computer location settings
- Executes dropped EXE
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
hurok.exe
memory/2872-25-0x00000000020D0000-0x00000000020D6000-memory.dmp
memory/4460-0-0x00000000004D0000-0x00000000004D6000-memory.dmp
memory/4460-2-0x0000000000400000-0x0000000000406000-memory.dmp
memory/4460-1-0x00000000004D0000-0x00000000004D6000-memory.dmp