Overview

overview

10

Static

static

10

2026-07-31...ar.exe

windows10-2004-x64

10

2026-07-31...ar.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    148s
  • max time network
    137s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    01/08/2026, 01:12

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General

  • Target
    2026-07-31_e6fde7fb8a02dd3247af9416738aca6c_cobalt-strike_coinminer_icedid_njrat_remcos_vidar.exe
  • Size 621KB
  • Sample260801-bkvveabd39
  • SHA256 c9804d116b41b24f84ed4069ef79a2c59cfb7dd7acdaf16e14b66e36b1a16c52
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
7.2.4remcospersistencerat

Malware Config

Extracted

Family

  • remcos

Version

  • 7.2.4 Pro

Botnet

  • 7.2.4

C2

  • juan28057922j.duckdns.org:2880

Attributes
  • audio_folder

    MicRecords

  • audio_path

    ApplicationPath

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    explorer.exe

  • copy_folder

    Windows Explorer

  • delete_file

    true

  • hide_file

    true

  • hide_keylog_file

    true

  • install_flag

    true

  • keylog_crypt

    false

  • keylog_file

    registros.dat

  • keylog_flag

    false

  • keylog_folder

    services

  • mouse_option

    false

  • mutex

    Rmc-FMPFSB

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Capturas de pantalla

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Signatures

  • Family: Remcos

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

    ratremcos
  • Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003) 1 IoCs
  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
    persistence
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-07-31_e6fde7fb8a02dd3247af9416738aca6c_cobalt-strike_coinminer_icedid_njrat_remcos_vidar.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-31_e6fde7fb8a02dd3247af9416738aca6c_cobalt-strike_coinminer_icedid_njrat_remcos_vidar.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:4180
    • C:\ProgramData\Windows Explorer\explorer.exe
      "C:\ProgramData\Windows Explorer\explorer.exe"
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of SetWindowsHookEx
      PID:3480

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        explorer.exe
        • Path C:\ProgramData\Windows Explorer\explorer.exe
        • Size 621KB
        • SHA256 c9804d116b41b24f84ed4069ef79a2c59cfb7dd7acdaf16e14b66e36b1a16c52
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        registros.dat
        • Path C:\ProgramData\services\registros.dat
        • Size 144B
        • SHA256 6c55e9332b1bfdc3a7800a0e2a363f141c22b1b85423197b7b937e2a28aa885d
        • MD5 SHA1 SHA512 TLSH
        Submit Download