Analysis
- max time kernel
149s - max time network
150s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
- submitted
25/04/2026, 01:04
General
- Target 2026-04-25_055883c45230c340f864f19ae993fb83_cryptolocker_elex.exe
- Size 40KB
- Sample260425-bfcs2agw3j
- SHA256 4be4a95c91ddc91bcb930fb77ddd069b48e14c2ff3f0f64539c3644dd3d2c96f
Malware Config
Signatures
- Detection of CryptoLocker Variants 2 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\2026-04-25_055883c45230c340f864f19ae993fb83_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-04-25_055883c45230c340f864f19ae993fb83_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
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Downloads
rewok.exe
memory/480-0-0x0000000000404000-0x0000000000405000-memory.dmp
memory/480-1-0x00000000022F0000-0x00000000022F6000-memory.dmp
memory/480-2-0x0000000000400000-0x0000000000408000-memory.dmp
memory/480-3-0x0000000000400000-0x0000000000406000-memory.dmp
memory/480-19-0x0000000002E50000-0x0000000002F9D000-memory.dmp
memory/1680-20-0x0000000000400000-0x0000000000408000-memory.dmp
memory/1680-28-0x0000000000400000-0x0000000000408000-memory.dmp
memory/1680-29-0x0000000000400000-0x0000000000408000-memory.dmp
memory/1680-32-0x0000000000400000-0x0000000000408000-memory.dmp
memory/1680-31-0x0000000002F00000-0x000000000304D000-memory.dmp
memory/1680-56-0x0000000002F00000-0x000000000304D000-memory.dmp