Analysis
- max time kernel
150s - max time network
147s - platform
windows11-21h2_x64 - resource
win11-20260513-en - resource tags
- submitted
05/06/2026, 01:27
General
- Target 2026-06-05_1f4ee03370b487143d060f95d021a707_cryptolocker_elex.exe
- Size 4.6MB
- Sample260605-bvc3caas4x
- SHA256 00e6636631a7ad5db85c8508c2bcf1798ca8b3061410894a1ad24c002193321c
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\2026-06-05_1f4ee03370b487143d060f95d021a707_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-06-05_1f4ee03370b487143d060f95d021a707_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/1916-0-0x0000000008004000-0x0000000008005000-memory.dmp
memory/1916-1-0x0000000002310000-0x0000000002316000-memory.dmp
memory/1916-2-0x0000000008000000-0x0000000008022000-memory.dmp
memory/1916-3-0x0000000002380000-0x0000000002386000-memory.dmp
memory/5988-17-0x0000000008000000-0x0000000008022000-memory.dmp
memory/5988-19-0x0000000002FD0000-0x0000000002FD6000-memory.dmp
memory/5988-25-0x0000000008000000-0x0000000008022000-memory.dmp