Analysis
- max time kernel
150s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
- submitted
20/08/2026, 12:40
General
- Target 2026-08-20_6027064386e0a024a2997d4c0d874f11_coinminer_cryptolocker_elex.exe
- Size 45KB
- Sample260820-pv6xbazzcs
- SHA256 252f5086832a5c94156313becc96d7d8188ae1e42a1ac0c7ffc5edd54e19c072
Malware Config
Signatures
- Detection of CryptoLocker Variants 5 IoCs
- UPX dump on OEP (original entry point) 5 IoCs
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE 1 IoCs
- UPX packed file 5 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- 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\2026-08-20_6027064386e0a024a2997d4c0d874f11_coinminer_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-20_6027064386e0a024a2997d4c0d874f11_coinminer_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/4560-18-0x0000000008000000-0x000000000800F000-memory.dmp
memory/4560-26-0x0000000008000000-0x000000000800F000-memory.dmp
memory/4560-20-0x0000000003010000-0x0000000003016000-memory.dmp
memory/4992-0-0x0000000008000000-0x000000000800F000-memory.dmp
memory/4992-1-0x0000000008004000-0x0000000008005000-memory.dmp
memory/4992-2-0x0000000002EA0000-0x0000000002EA6000-memory.dmp
memory/4992-3-0x0000000008000000-0x000000000800F000-memory.dmp
memory/4992-4-0x0000000003150000-0x0000000003156000-memory.dmp