Overview

overview

10

Static

static

1

CopilotDriver.js

windows10-2004-x64

10

CopilotDriver.js

windows11-21h2-x64

10

Sharing

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General

  • Target
    CopilotDriver.js
  • Size 6.8MB
  • Sample260205-h3d3yahy4f
  • SHA256 c86ebb0e9a245fbe86a024641eb2a7dc236351c98ef98392ea366539b509827d
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
remcostar1discoveryexecutionrat

Malware Config

Extracted

Language

  • ps1

Deobfuscated
Source
URLs
  • ps1.dropper

    http://hostphpwindowsapps.ydns.eu:8011/data/optimized_MSI.png
  • exe.dropper

    http://hostphpwindowsapps.ydns.eu:8011/data/optimized_MSI.png

Extracted

Family

  • remcos

Version

  • 7.1.0 Pro

Botnet

  • Tar1

C2

  • systemcopilotdrivers.ydns.eu:3001

Attributes
  • audio_folder

    MicRecords

  • audio_path

    ApplicationPath

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    remcos.exe

  • copy_folder

    Remcos

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    false

  • install_flag

    false

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    Copilotdrivers

  • mouse_option

    false

  • mutex

    Rmc-1SEM73

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target
      CopilotDriver.js
    • Size 6.8MB
    • SHA256 c86ebb0e9a245fbe86a024641eb2a7dc236351c98ef98392ea366539b509827d
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    tar1discoveryexecutionremcosrat

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • Remcos

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

      ratremcos

    • Remcos family

      remcos

    • Badlisted process makes network request

      Network request originating from process or tool commonly abused by malware.

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

      execution

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks