Analysis
- max time kernel
150s - max time network
147s - platform
windows11-21h2_x64 - resource
win11-20260513-en - resource tags
- submitted
23/05/2026, 08:27
General
- Target 2026-05-23_498c9d3fe6dbd081c42724ccc745fc2e_cryptolocker_elex.exe
- Size 50KB
- Sample260523-kcp4mahs21
- SHA256 8b99311741245b0d9f45ba2cc8b015f1a7388d770e1e4c872dab029e6ffd7468
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\2026-05-23_498c9d3fe6dbd081c42724ccc745fc2e_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-05-23_498c9d3fe6dbd081c42724ccc745fc2e_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
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Downloads
hasfj.exe
memory/1564-0-0x0000000008004000-0x0000000008005000-memory.dmp
memory/1564-1-0x0000000002190000-0x0000000002196000-memory.dmp
memory/1564-2-0x0000000008000000-0x000000000800A000-memory.dmp
memory/1564-3-0x0000000003110000-0x0000000003116000-memory.dmp
memory/4208-17-0x0000000008000000-0x000000000800A000-memory.dmp
memory/4208-19-0x0000000002FD0000-0x0000000002FD6000-memory.dmp
memory/4208-25-0x0000000008000000-0x000000000800A000-memory.dmp