Analysis
- max time kernel
150s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
- submitted
22/08/2026, 14:25
General
- Target 2026-08-21_5dd1ba37c471cb25381493539e71ec81_cryptolocker_elex.exe
- Size 29KB
- Sample260822-rraqtavgla
- SHA256 d7b8e7ae18a59898d5ae8b6b4b85070877d22875b469bb5c35a1b4fe20455fe5
Malware Config
Signatures
- Detection of CryptoLocker Variants 2 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\2026-08-21_5dd1ba37c471cb25381493539e71ec81_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-21_5dd1ba37c471cb25381493539e71ec81_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
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Downloads
hasfj.exe
memory/2440-0-0x0000000008004000-0x0000000008005000-memory.dmp
memory/2440-1-0x0000000002100000-0x0000000002106000-memory.dmp
memory/2440-2-0x0000000008000000-0x0000000008009000-memory.dmp
memory/2440-3-0x0000000003000000-0x0000000003006000-memory.dmp
memory/2440-18-0x0000000008000000-0x0000000008009000-memory.dmp
memory/4668-17-0x0000000008000000-0x0000000008009000-memory.dmp
memory/4668-20-0x0000000008000000-0x0000000008009000-memory.dmp
memory/4668-21-0x0000000002030000-0x0000000002036000-memory.dmp
memory/4668-27-0x0000000008000000-0x0000000008009000-memory.dmp