Analysis
- max time kernel
150s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20260130-en - resource tags
- submitted
11/05/2026, 10:57
General
- Target 2026-05-11_833137080836cb69d009bf152ae7e8fd_cryptolocker_elex.exe
- Size 45KB
- Sample260511-m18a8af13s
- SHA256 e6f19d59e90db9b7bb2bbf6d553dcb0e7a340122467710ef80c4faf5fcf3fce0
Malware Config
Signatures
- Custom signatureDetection 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\2026-05-11_833137080836cb69d009bf152ae7e8fd_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-05-11_833137080836cb69d009bf152ae7e8fd_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/4380-0-0x0000000008004000-0x0000000008005000-memory.dmp
memory/4380-1-0x0000000002200000-0x0000000002206000-memory.dmp
memory/4380-2-0x0000000008000000-0x000000000800A000-memory.dmp
memory/4380-3-0x00000000030F0000-0x00000000030F6000-memory.dmp
memory/4380-17-0x0000000002FF0000-0x00000000030D3000-memory.dmp
memory/4528-18-0x0000000008000000-0x000000000800A000-memory.dmp
memory/4528-26-0x0000000008000000-0x000000000800A000-memory.dmp
memory/4528-20-0x0000000003230000-0x0000000003236000-memory.dmp
memory/4528-27-0x0000000003140000-0x0000000003223000-memory.dmp
memory/4528-39-0x0000000003140000-0x0000000003223000-memory.dmp