Analysis
- max time kernel
150s - max time network
147s - platform
windows10-2004_x64 - resource
win10v2004-20260130-en - resource tags
- submitted
18/04/2026, 07:39
General
- Target 2026-04-18_6ff6a06167a639ee3680bd6733cc8fec_cryptolocker_elex.exe
- Size 44KB
- Sample260418-jg31lsax21
- SHA256 f906eaa44dfc5040526a0e11879ac2289b5c2afa562ea7ad8cdbd3da70a36eba
Malware Config
Signatures
- Detection of CryptoLocker Variants 4 IoCs
- Checks computer location settings 2 TTPs 1 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).
- System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious use of WriteProcessMemory 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-04-18_6ff6a06167a639ee3680bd6733cc8fec_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-04-18_6ff6a06167a639ee3680bd6733cc8fec_cryptolocker_elex.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\hasfj.exe"C:\Users\Admin\AppData\Local\Temp\hasfj.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
hasfj.exe
memory/4640-0-0x0000000008004000-0x0000000008005000-memory.dmp
memory/4640-1-0x0000000002160000-0x0000000002166000-memory.dmp
memory/4640-2-0x0000000008000000-0x000000000800A000-memory.dmp
memory/4640-3-0x0000000003150000-0x0000000003156000-memory.dmp
memory/4640-17-0x00000000033F0000-0x000000000342B000-memory.dmp
memory/5168-18-0x0000000008000000-0x000000000800A000-memory.dmp
memory/5168-26-0x0000000008000000-0x000000000800A000-memory.dmp
memory/5168-20-0x0000000003010000-0x0000000003016000-memory.dmp