Analysis
- max time kernel
150s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20260130-en - resource tags
- submitted
22/04/2026, 04:20
General
- Target 2026-04-22_e38d05b585e644feb4f1b0872f9da9b7_cryptolocker_elex.exe
- Size 44KB
- Sample260422-eylenscx7z
- SHA256 3ff8df5df0e1d4623ffa584849c8bac413a3fc68910f8d1ed9fdd13fb883a669
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\2026-04-22_e38d05b585e644feb4f1b0872f9da9b7_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-04-22_e38d05b585e644feb4f1b0872f9da9b7_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/4580-0-0x0000000008004000-0x0000000008005000-memory.dmp
memory/4580-1-0x0000000000630000-0x0000000000636000-memory.dmp
memory/4580-2-0x0000000008000000-0x000000000800A000-memory.dmp
memory/4580-3-0x0000000000660000-0x0000000000666000-memory.dmp
memory/4580-17-0x0000000002110000-0x0000000002185000-memory.dmp
memory/4712-18-0x0000000008000000-0x000000000800A000-memory.dmp
memory/4712-20-0x0000000003080000-0x0000000003086000-memory.dmp
memory/4712-26-0x0000000008000000-0x000000000800A000-memory.dmp
memory/4712-27-0x0000000002060000-0x00000000020D5000-memory.dmp