Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
- submitted
02/08/2026, 11:43
General
- Target 2026-08-02_4e09c5a5ec62c3479c5e8b028c0710c2_cryptolocker_elex.exe
- Size 52KB
- Sample260802-nvmyrssbpe
- SHA256 b9b01c1f0092021219c94ed542474a7f74bc5a2c80de2569fa3280233053ff50
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\2026-08-02_4e09c5a5ec62c3479c5e8b028c0710c2_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-02_4e09c5a5ec62c3479c5e8b028c0710c2_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/3532-18-0x0000000000400000-0x0000000000408000-memory.dmp
memory/3532-27-0x0000000000400000-0x0000000000408000-memory.dmp
memory/3532-29-0x0000000000400000-0x0000000000408000-memory.dmp
memory/4212-0-0x0000000000404000-0x0000000000405000-memory.dmp
memory/4212-1-0x00000000005E0000-0x00000000005E6000-memory.dmp
memory/4212-2-0x0000000000400000-0x0000000000408000-memory.dmp
memory/4212-3-0x0000000000400000-0x0000000000406000-memory.dmp