Analysis
- max time kernel
150s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
31/10/2026, 20:03
General
- Target 2026-10-30_c5644fc4dd2176d6fd114bd53b6595f2_elex_helldown_luca-stealer_njrat_ramnit_remcos_smoke-loader.exe
- Size 338KB
- Sample261031-ys3asazvcx
- SHA256 cd469b460bd08f03e46d59c8cc7c938b24f519596ac35d497e8386a7b1836b15
Malware Config
Signatures
- Family: Ramnit
Ramnit is a versatile family that holds viruses, worms, and Trojans.
- UPX dump on OEP (original entry point) 2 IoCs
- Executes dropped EXE 1 IoCs
- Loads dropped DLL 1 IoCs
- UPX packed file 1 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Program crash 1 IoCs
- 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 FindShellTrayWindow 1 IoCs
- Suspicious use of WriteProcessMemory 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-10-30_c5644fc4dd2176d6fd114bd53b6595f2_elex_helldown_luca-stealer_njrat_ramnit_remcos_smoke-loader.exe"C:\Users\Admin\AppData\Local\Temp\2026-10-30_c5644fc4dd2176d6fd114bd53b6595f2_elex_helldown_luca-stealer_njrat_ramnit_remcos_smoke-loader.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\2026-10-30_c5644fc4dd2176d6fd114bd53b6595f2_elex_helldown_luca-stealer_njrat_ramnit_remcos_smoke-loadermgr.exeC:\Users\Admin\AppData\Local\Temp\2026-10-30_c5644fc4dd2176d6fd114bd53b6595f2_elex_helldown_luca-stealer_njrat_ramnit_remcos_smoke-loadermgr.exe2⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4576 -s 5763⤵
- Program crash
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 4576 -ip 45761⤵
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
2026-10-30_c5644fc4dd2176d6fd114bd53b6595f2_elex_helldown_luca-stealer_njrat_ramnit_remcos_smoke-loadermgr.exe
~TM208E.tmp
memory/3444-0-0x0000000000400000-0x000000000047C000-memory.dmp
memory/3444-7-0x0000000000400000-0x000000000047C000-memory.dmp
memory/4576-5-0x0000000000400000-0x0000000000432000-memory.dmp
memory/4576-8-0x00000000021C0000-0x00000000021F2000-memory.dmp
memory/4576-10-0x0000000077668000-0x0000000077669000-memory.dmp
memory/4576-11-0x0000000000400000-0x0000000000432000-memory.dmp