Analysis
- max time kernel
149s - max time network
150s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
- submitted
21/04/2026, 16:47
General
- Target 2026-04-21_ce0bb8e0bbccde0e960d02eca87d3564_cryptolocker_elex.exe
- Size 50KB
- Sample260421-val93ac17x
- SHA256 e1701b183098b691b78d788067f30b0ebb5a272207004a24220a095ed15f832a
Score
9/10
Malware Config
Signatures
- Detection 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\2026-04-21_ce0bb8e0bbccde0e960d02eca87d3564_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-04-21_ce0bb8e0bbccde0e960d02eca87d3564_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/1776-0-0x0000000000404000-0x0000000000405000-memory.dmp
memory/1776-1-0x00000000021F0000-0x00000000021F6000-memory.dmp
memory/1776-2-0x0000000000400000-0x0000000000408000-memory.dmp
memory/1776-3-0x0000000000400000-0x0000000000406000-memory.dmp
memory/3752-19-0x0000000000400000-0x0000000000408000-memory.dmp
memory/3752-21-0x0000000000400000-0x0000000000408000-memory.dmp
memory/3752-28-0x0000000000400000-0x0000000000408000-memory.dmp