Analysis
- max time kernel
149s - max time network
146s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
- submitted
03/08/2026, 09:33
General
- Target 2026-08-03_0d902ad4ea6d9a5b5e800d5a6db75644_cryptolocker_elex.exe
- Size 40KB
- Sample260803-ljhhsstdld
- SHA256 0ad27043aa6ed9170c0c0c1b4e79090ee6d3d679b0c7beeb7ccc4210261f877e
Score
9/10
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\2026-08-03_0d902ad4ea6d9a5b5e800d5a6db75644_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-03_0d902ad4ea6d9a5b5e800d5a6db75644_cryptolocker_elex.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\rewok.exe"C:\Users\Admin\AppData\Local\Temp\rewok.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
rewok.exe
memory/4380-0-0x0000000000404000-0x0000000000405000-memory.dmp
memory/4380-1-0x0000000002350000-0x0000000002356000-memory.dmp
memory/4380-2-0x0000000000400000-0x0000000000408000-memory.dmp
memory/4380-3-0x0000000000400000-0x0000000000406000-memory.dmp
memory/5056-19-0x0000000000400000-0x0000000000408000-memory.dmp
memory/5056-28-0x0000000000400000-0x0000000000408000-memory.dmp