Analysis

  • max time kernel
    150s
  • max time network
    146s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    22/09/2026, 14:01

General

  • Target
    2026-09-21_3452b1fa235da22a0d4ac0c50d388491_cobalt-strike_coinminer_icedid_njrat_remcos_vidar.exe
  • Size 645KB
  • Sample260922-rbttrawgmh
  • SHA256 960b9895cbf17d8bd2d265e0338a7bf0211a350666cbb4902fe147475d69b073
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • remcos

Version
  • 7.3.1 Pro

Botnet
  • RemoteHost

C2
  • xoso66wins.com:443

  • alpharush.ai:443

  • upakari.in:443

  • ww88vs.com:443

  • 789winkg.com:443

  • 33winaz.com:443

  • 8kbetvn.pro:443

  • 789winpc.com:443

  • 88vbet.ink:443

  • tk88.prof:443

  • 888vbet8.com:443

  • h1999.co:443

  • h19r.com:443

  • tg88.international:443

  • lc889.co:443

  • lc88.poker:443

  • davis80smusic.com:443

  • 1nohu90.com:443

  • 789f.lifestyle:443

  • 88kbet.buzz:443

Attributes
  • audio_folder

    MicRecords

  • audio_path

    ApplicationPath

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    [email protected]

  • copy_folder

    Remcos

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    false

  • install_flag

    true

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    ay391stx

  • mouse_option

    false

  • mutex

    Rmc-QDRVB8

  • screenshot_crypt

    false

  • screenshot_flag

    true

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    

  • take_screenshot_option

    true

  • take_screenshot_time

    5

Signatures

  • Family: Remcos

    Remcos is a closed-source remote control and surveillance software.

  • Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003) 1 IoCs
  • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-09-21_3452b1fa235da22a0d4ac0c50d388491_cobalt-strike_coinminer_icedid_njrat_remcos_vidar.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-09-21_3452b1fa235da22a0d4ac0c50d388491_cobalt-strike_coinminer_icedid_njrat_remcos_vidar.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:6108
    • C:\ProgramData\Remcos\[email protected]
      "C:\ProgramData\Remcos\[email protected]"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      PID:892
  • C:\Windows\system32\AUDIODG.EXE
    C:\Windows\system32\AUDIODG.EXE 0x00000000000004E4 0x0000000000000500
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1124

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • Path C:\ProgramData\Remcos\[email protected]
        • Size 645KB
        • SHA256 960b9895cbf17d8bd2d265e0338a7bf0211a350666cbb4902fe147475d69b073
        • MD5 SHA1 SHA512 SSDEEP TLSH

        logs.dat

        • Path C:\ProgramData\ay391stx\logs.dat
        • Size 232B
        • SHA256 eef496257e94f1c8c4b5fcaa9bdb175c87ab668950a50e44849127f4e115da32
        • MD5 SHA1 SHA512 TLSH