Analysis
- max time kernel
150s - max time network
148s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
20/08/2026, 03:04
General
- Target 2026-08-20_a79b5f205c1fc395efc10b12ab0a9cf1_coinminer_cryptolocker_elex.exe
- Size 47KB
- Sample260820-dk4tesdq5y
- SHA256 3958eb8eac38e34f6bd7f649f85424e284fcc29fde99ca8d942b5f270b7830a3
Malware Config
Signatures
- Detection of CryptoLocker Variants 5 IoCs
- UPX dump on OEP (original entry point) 5 IoCs
- Executes dropped EXE 1 IoCs
- UPX packed file 5 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- 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\2026-08-20_a79b5f205c1fc395efc10b12ab0a9cf1_coinminer_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-20_a79b5f205c1fc395efc10b12ab0a9cf1_coinminer_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\lossy.exe"C:\Users\Admin\AppData\Local\Temp\lossy.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
lossy.exe
memory/4160-0-0x0000000008000000-0x000000000800F000-memory.dmp
memory/4160-1-0x0000000008004000-0x0000000008005000-memory.dmp
memory/4160-2-0x0000000000700000-0x0000000000706000-memory.dmp
memory/4160-3-0x0000000008000000-0x000000000800F000-memory.dmp
memory/4160-4-0x00000000021C0000-0x00000000021C6000-memory.dmp
memory/4552-21-0x00000000020C0000-0x00000000020C6000-memory.dmp
memory/4552-27-0x0000000008000000-0x000000000800F000-memory.dmp
memory/4552-19-0x0000000008000000-0x000000000800F000-memory.dmp