Analysis
- max time kernel
150s - max time network
148s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
- submitted
22/04/2026, 04:20
General
- Target 2026-04-22_e38d05b585e644feb4f1b0872f9da9b7_cryptolocker_elex.exe
- Size 44KB
- Sample260422-eylenscx7z
- SHA256 3ff8df5df0e1d4623ffa584849c8bac413a3fc68910f8d1ed9fdd13fb883a669
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\2026-04-22_e38d05b585e644feb4f1b0872f9da9b7_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-04-22_e38d05b585e644feb4f1b0872f9da9b7_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/2192-0-0x0000000008004000-0x0000000008005000-memory.dmp
memory/2192-1-0x00000000021F0000-0x00000000021F6000-memory.dmp
memory/2192-2-0x0000000008000000-0x000000000800A000-memory.dmp
memory/2192-3-0x0000000002EE0000-0x0000000002EE6000-memory.dmp
memory/2192-17-0x0000000002310000-0x0000000002374000-memory.dmp
memory/2260-18-0x0000000008000000-0x000000000800A000-memory.dmp
memory/2260-20-0x0000000008000000-0x000000000800A000-memory.dmp
memory/2260-21-0x00000000022A0000-0x00000000022A6000-memory.dmp
memory/2260-27-0x0000000002200000-0x0000000002264000-memory.dmp