Analysis

  • max time kernel
    148s
  • max time network
    124s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    31/10/2026, 13:04

General

  • Target
    2026-10-31_8a32666cee2c268a1c7fb0a422047bbf_elex_helldown_luca-stealer_njrat_ramnit_remcos_smoke-loader.exe
  • Size 338KB
  • Sample261031-qa36csdt9q
  • SHA256 021b9e8903964ff66355555169c62d07162f2a99b8f62b0d210a0f207bba1523
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Family: Ramnit

    Ramnit is a versatile family that holds viruses, worms, and Trojans.

  • Custom signature
    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\2026-10-31_8a32666cee2c268a1c7fb0a422047bbf_elex_helldown_luca-stealer_njrat_ramnit_remcos_smoke-loader.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-10-31_8a32666cee2c268a1c7fb0a422047bbf_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
    PID:2332
    • C:\Users\Admin\AppData\Local\Temp\2026-10-31_8a32666cee2c268a1c7fb0a422047bbf_elex_helldown_luca-stealer_njrat_ramnit_remcos_smoke-loadermgr.exe
      C:\Users\Admin\AppData\Local\Temp\2026-10-31_8a32666cee2c268a1c7fb0a422047bbf_elex_helldown_luca-stealer_njrat_ramnit_remcos_smoke-loadermgr.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      PID:3212
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3212 -s 588
        3⤵
        • Program crash
        PID:4512
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 500 -p 3212 -ip 3212
    1⤵
      PID:4196

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          2026-10-31_8a32666cee2c268a1c7fb0a422047bbf_elex_helldown_luca-stealer_njrat_ramnit_remcos_smoke-loadermgr.exe

          • Path C:\Users\Admin\AppData\Local\Temp\2026-10-31_8a32666cee2c268a1c7fb0a422047bbf_elex_helldown_luca-stealer_njrat_ramnit_remcos_smoke-loadermgr.exe
          • Size 157KB
          • SHA256 2aab17b2f18dfb70cd737b27b1a438ad8878889070a6e025b3684483054f60c9
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ~TME635.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\~TME635.tmp
          • Size 1.7MB
          • SHA256 45369a39532d605353ca49d2c2c901853cd5181e84b64fbfbfdb19d5fe60539d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/2332-0-0x0000000000400000-0x000000000047C000-memory.dmp

          memory/2332-8-0x0000000000400000-0x000000000047C000-memory.dmp

          memory/3212-5-0x0000000000400000-0x0000000000432000-memory.dmp

          memory/3212-7-0x0000000002060000-0x0000000002092000-memory.dmp

          memory/3212-10-0x0000000077DE8000-0x0000000077DE9000-memory.dmp

          memory/3212-11-0x0000000000400000-0x0000000000432000-memory.dmp