Analysis

  • max time kernel
    110s
  • max time network
    139s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    03/09/2026, 12:24

General

  • Target
    2026-09-01_4da4a76e7f7157e0066b5396c83ac280_amadey_darkcomet_elex_ransomhub_smoke-loader.exe
  • Size 5.4MB
  • Sample260903-plfnrssyaz
  • SHA256 d25913ba040d70de14254085df9b61f8b4f940568d2b1815b473b52feb456abb
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • darkcomet

Attributes
  • gencode

  • install

    false

  • offline_keylogger

    false

  • persistence

    false

rc4.plain

Signatures

  • Family: Darkcomet

    DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.

  • Family: Neshta

    Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.

  • Detect Neshta payload 3 IoCs
  • Detects executables packed with ASPack 6 IoCs
  • Executes dropped EXE 1 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops autorun.inf file 1 TTPs 2 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 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.

  • NTFS ADS 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-09-01_4da4a76e7f7157e0066b5396c83ac280_amadey_darkcomet_elex_ransomhub_smoke-loader.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-09-01_4da4a76e7f7157e0066b5396c83ac280_amadey_darkcomet_elex_ransomhub_smoke-loader.exe"
    1⤵
    • Adds Run key to start application
    • Drops autorun.inf file
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • NTFS ADS
    • Suspicious use of SetWindowsHookEx
    PID:5736
  • C:\905c0769f9a06c95a24ddf945\patcher.exe
    C:\905c0769f9a06c95a24ddf945\patcher.exe
    1⤵
    • Executes dropped EXE
    • Adds Run key to start application
    • Drops autorun.inf file
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • NTFS ADS
    • Suspicious use of SetWindowsHookEx
    PID:108

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        patcher.exe

        • Path C:\905c0769f9a06c95a24ddf945\patcher.exe
        • Size 5.4MB
        • SHA256 d25913ba040d70de14254085df9b61f8b4f940568d2b1815b473b52feb456abb
        • MD5 SHA1 SHA512 SSDEEP TLSH

        7z.exe$

        • Path C:\Program Files\7-Zip\7z.exe$
        • Size 6.0MB
        • SHA256 d79aee08a4a43553fd91155631cb00f3c36125b4c7041c7ea75e301aa799f6e8
        • MD5 SHA1 SHA512 SSDEEP TLSH

        misc.exe$

        • Path C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-001F-040C-1000-0000000FF1CE}\misc.exe$
        • Size 5.5MB
        • SHA256 e0e038c34f6f644a8af7b98f87f8e0ebc45daa56fe96371c16566b109cd6a7b8
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/108-1453-0x0000000000400000-0x000000000040D000-memory.dmp

        memory/5736-0-0x0000000000400000-0x000000000040D000-memory.dmp

        memory/5736-1398-0x0000000000400000-0x000000000040D000-memory.dmp