Analysis
- max time kernel
150s - max time network
150s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
- submitted
15/04/2026, 07:49
General
- Target 2026-04-15_783241702f5954e3c8c3c09d55dd6fc5_cryptolocker_elex.exe
- Size 42KB
- Sample260415-jnvb2sb15x
- SHA256 b95ee597ed7b9de94cba7b2e35db079e54bd2b943a70fcaf1fd99bf27be74359
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\2026-04-15_783241702f5954e3c8c3c09d55dd6fc5_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-04-15_783241702f5954e3c8c3c09d55dd6fc5_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/132-18-0x0000000008000000-0x000000000800A000-memory.dmp
memory/132-26-0x0000000008000000-0x000000000800A000-memory.dmp
memory/132-27-0x0000000002120000-0x00000000021E2000-memory.dmp
memory/132-39-0x0000000002120000-0x00000000021E2000-memory.dmp
memory/132-40-0x0000000002120000-0x00000000021E2000-memory.dmp
memory/1176-0-0x0000000008004000-0x0000000008005000-memory.dmp
memory/1176-1-0x0000000002710000-0x0000000002716000-memory.dmp
memory/1176-2-0x0000000008000000-0x000000000800A000-memory.dmp
memory/1176-3-0x0000000002F40000-0x0000000002F46000-memory.dmp
memory/1176-17-0x0000000002110000-0x00000000021D2000-memory.dmp