Analysis
- max time kernel
149s - max time network
146s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
- submitted
15/04/2026, 08:50
General
- Target 2026-04-15_5d8b108f3c66dee548fd3d09e1dfb259_cryptolocker_elex.exe
- Size 25KB
- Sample260415-krk38ac151
- SHA256 c8edd8bf589dba761a6c4e2cb60354e3a17b81ece928bc2d3f2e6d0b09a7fec2
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 4 IoCs
- Detects executables built or packed with MPress PE compressor 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\2026-04-15_5d8b108f3c66dee548fd3d09e1dfb259_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-04-15_5d8b108f3c66dee548fd3d09e1dfb259_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\hurok.exe"C:\Users\Admin\AppData\Local\Temp\hurok.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
hurok.exe
memory/1928-0-0x0000000000400000-0x000000000040D000-memory.dmp
memory/1928-1-0x00000000022B0000-0x00000000022B6000-memory.dmp
memory/1928-2-0x00000000022B0000-0x00000000022B6000-memory.dmp
memory/1928-3-0x0000000000400000-0x0000000000406000-memory.dmp
memory/4724-16-0x0000000000400000-0x000000000040D000-memory.dmp
memory/4724-20-0x00000000006A0000-0x00000000006A6000-memory.dmp
memory/4724-29-0x0000000000400000-0x000000000040D000-memory.dmp