Analysis
- max time kernel
149s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
- submitted
31/08/2026, 04:35
General
- Target 2026-08-30_c903baca0962507271067152c036d8e6_cryptolocker_elex.exe
- Size 56KB
- Sample260831-e7znnaef69
- SHA256 b108a6ea7f6239372730e7545f5961d2ab3c0002f37e694183cb31b0199e3dc8
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 3 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\2026-08-30_c903baca0962507271067152c036d8e6_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-30_c903baca0962507271067152c036d8e6_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/2336-0-0x0000000000404000-0x0000000000405000-memory.dmp
memory/2336-1-0x00000000005E0000-0x00000000005E6000-memory.dmp
memory/2336-2-0x0000000000400000-0x0000000000408000-memory.dmp
memory/2336-3-0x0000000000400000-0x0000000000406000-memory.dmp
memory/3364-19-0x0000000000400000-0x0000000000408000-memory.dmp
memory/3364-21-0x0000000000400000-0x0000000000408000-memory.dmp