Overview

overview

10

Static

static

1

4b98d29195...b08.js

windows10-2004-x64

10

4b98d29195...b08.js

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    4b98d2919533ab614a7571aa0ef7c80fc177218bb778524fde3bf6f72b0d7b08.js.zip
  • Size 431KB
  • Sample260720-xbkhzadv4w
  • SHA256 81b43cc97e329a1b1d9d8f294b3dbfd9c028faeb4e6f6f551861f9283b5e922c
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
remcospowerpointdiscoveryexecutionpersistencerat

Malware Config

Extracted

Family

  • remcos

Version

  • 3.6.0 Pro

Botnet

  • PowerPoint

C2

  • 185.157.162.75:62186

Attributes
  • audio_folder

    MicRecords

  • audio_path

    %AppData%

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    windowsjx.exe

  • copy_folder

    Remcos

  • delete_file

    false

  • hide_file

    true

  • hide_keylog_file

    false

  • install_flag

    true

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Remcos-34MTRX

  • screenshot_crypt

    false

  • screenshot_flag

    true

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    microsoftjx

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target
      4b98d2919533ab614a7571aa0ef7c80fc177218bb778524fde3bf6f72b0d7b08.js.bin
    • Size 840KB
    • SHA256 4b98d2919533ab614a7571aa0ef7c80fc177218bb778524fde3bf6f72b0d7b08
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    powerpointdiscoveryexecutionremcospersistencerat

    • Family: Remcos

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

      ratremcos

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Adds Run key to start application

      persistence

    • Executes a VBScript file via the Windows Script Host.

      execution
    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks