Analysis
- max time kernel
149s - max time network
146s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
- submitted
16/04/2026, 08:43
General
- Target 2026-04-16_86f583a1cc02685d454cadb04f831dc9_cryptolocker_elex.exe
- Size 61KB
- Sample260416-kml5qaew6x
- SHA256 e57c4b1d0243df12fcb02ced6b822c9ddad0cf12bdbafd92dd7da6bf2b762fc2
Malware Config
Signatures
- Detection of CryptoLocker Variants 3 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\2026-04-16_86f583a1cc02685d454cadb04f831dc9_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-04-16_86f583a1cc02685d454cadb04f831dc9_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/2840-29-0x0000000000400000-0x0000000000408000-memory.dmp
memory/2840-56-0x0000000002120000-0x00000000023AB000-memory.dmp
memory/2840-44-0x0000000002120000-0x00000000023AB000-memory.dmp
memory/2840-31-0x0000000002120000-0x00000000023AB000-memory.dmp
memory/2840-20-0x0000000000400000-0x0000000000408000-memory.dmp
memory/2840-32-0x0000000000400000-0x0000000000408000-memory.dmp
memory/2840-28-0x0000000000400000-0x0000000000408000-memory.dmp
memory/3676-3-0x0000000000400000-0x0000000000406000-memory.dmp
memory/3676-19-0x0000000002150000-0x00000000023DB000-memory.dmp
memory/3676-0-0x0000000000404000-0x0000000000405000-memory.dmp
memory/3676-2-0x0000000000400000-0x0000000000408000-memory.dmp
memory/3676-1-0x0000000002400000-0x0000000002406000-memory.dmp