Analysis
- max time kernel
14s - max time network
151s - platform
windows11-21h2_x64 - resource
win11-20260513-en - resource tags
- submitted
28/05/2026, 03:07
General
- Target 2026-05-28_e443d834c03a269d15165ede65b6881c_cryptolocker_elex.exe
- Size 4.6MB
- Sample260528-dmg3faev4q
- SHA256 f497e06e980c48d01a7b30b53e9cf2de89d8a8ddc9f06c41022ca24c434c71bc
Score
9/10
Malware Config
Signatures
- Custom signatureDetection of CryptoLocker Variants 4 IoCs
- Custom signatureDetects 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\2026-05-28_e443d834c03a269d15165ede65b6881c_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-05-28_e443d834c03a269d15165ede65b6881c_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/552-0-0x0000000008004000-0x0000000008005000-memory.dmp
memory/552-1-0x0000000002FA0000-0x0000000002FA6000-memory.dmp
memory/552-2-0x0000000008000000-0x0000000008022000-memory.dmp
memory/552-3-0x0000000003250000-0x0000000003256000-memory.dmp
memory/3788-17-0x0000000008000000-0x0000000008022000-memory.dmp
memory/3788-25-0x0000000008000000-0x0000000008022000-memory.dmp
memory/3788-19-0x0000000003110000-0x0000000003116000-memory.dmp