Analysis
- max time kernel
150s - max time network
146s - platform
windows11-21h2_x64 - resource
win11-20260513-en - resource tags
- submitted
04/06/2026, 00:52
General
- Target 2026-06-04_a403cda2280c984e9ed735433b6fff64_cryptolocker_elex.exe
- Size 70KB
- Sample260604-a74kdshv4k
- SHA256 8dd89c6faad058805cba31ee8e07640a0955548052f3d3436f8fdd6fa43b6890
Score
9/10
Malware Config
Signatures
- Custom signatureDetection 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\2026-06-04_a403cda2280c984e9ed735433b6fff64_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-06-04_a403cda2280c984e9ed735433b6fff64_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/3920-17-0x0000000008000000-0x000000000800E000-memory.dmp
memory/3920-19-0x0000000003010000-0x0000000003016000-memory.dmp
memory/3920-25-0x0000000008000000-0x000000000800E000-memory.dmp
memory/5184-0-0x0000000008004000-0x0000000008005000-memory.dmp
memory/5184-1-0x00000000021A0000-0x00000000021A6000-memory.dmp
memory/5184-2-0x0000000008000000-0x000000000800E000-memory.dmp
memory/5184-3-0x00000000021D0000-0x00000000021D6000-memory.dmp