Analysis
- max time kernel
149s - max time network
153s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
- submitted
04/05/2026, 12:36
General
- Target 2026-05-04_4c0b8c49fc3703256c73e7a02206f13a_cryptolocker_elex.exe
- Size 35KB
- Sample260504-ptefnsbx91
- SHA256 a70a6a36257ac3b3ef018af76d3affd8c3a024d4f24e4e35ca1a1692619283de
Score
9/10
Malware Config
Signatures
- Custom signatureDetection of CryptoLocker Variants 4 IoCs
- 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\2026-05-04_4c0b8c49fc3703256c73e7a02206f13a_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-05-04_4c0b8c49fc3703256c73e7a02206f13a_cryptolocker_elex.exe"1⤵
- 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
Loading Replay Monitor...
Downloads
rewok.exe
memory/2444-19-0x0000000000400000-0x000000000040C000-memory.dmp
memory/2444-21-0x0000000000400000-0x000000000040C000-memory.dmp
memory/2444-28-0x0000000000400000-0x000000000040C000-memory.dmp
memory/2444-30-0x0000000000400000-0x000000000040C000-memory.dmp
memory/4672-0-0x0000000000404000-0x0000000000405000-memory.dmp
memory/4672-3-0x0000000000400000-0x0000000000406000-memory.dmp
memory/4672-2-0x0000000000400000-0x000000000040C000-memory.dmp
memory/4672-1-0x0000000002200000-0x0000000002206000-memory.dmp