Analysis
- max time kernel
150s - max time network
150s - platform
windows11-21h2_x64 - resource
win11-20260513-en - resource tags
- submitted
22/05/2026, 23:20
General
- Target 2026-05-22_5a76dc5a670b62667f652c690d9b6fd1_cryptolocker_elex.exe
- Size 4.6MB
- Sample260522-3bewdaf15m
- SHA256 37f1d93cf8df52b7d3de7c5a4ab59ed6be697efac24ffec3261b05bf883fca38
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 4 IoCs
- Detects executables built or packed with MPress PE compressor 1 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\2026-05-22_5a76dc5a670b62667f652c690d9b6fd1_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-05-22_5a76dc5a670b62667f652c690d9b6fd1_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\hasfj.exe"C:\Users\Admin\AppData\Local\Temp\hasfj.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
hasfj.exe
memory/3792-0-0x0000000008004000-0x0000000008005000-memory.dmp
memory/3792-1-0x0000000002310000-0x0000000002316000-memory.dmp
memory/3792-2-0x0000000008000000-0x0000000008022000-memory.dmp
memory/3792-3-0x0000000002480000-0x0000000002486000-memory.dmp
memory/4496-17-0x0000000008000000-0x0000000008022000-memory.dmp
memory/4496-19-0x0000000002FD0000-0x0000000002FD6000-memory.dmp
memory/4496-25-0x0000000008000000-0x0000000008022000-memory.dmp