Overview

overview

10

Static

static

10

3.exe

windows10-2004-x64

10

3.exe

windows11-ltsc_2024-x64

10

Sharing

Copy URL Twitter E-mail

General

  • Target
    3.exe
  • Size 644KB
  • Sample261105-e6k4wafx3t
  • SHA256 771b7a82cc28db768c6c941a58877dda5d2aa290ce3a60a9308ab142ccc4642a
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
remcosau88discoverypersistencerat

Malware Config

Extracted

Family

  • remcos

Version

  • 7.3.1 Pro

Botnet

  • au88

C2

  • au88au88.online:80

  • www.au88au88.online:80

  • c2.au88au88.online:8443

  • api.au88au88.online:2404

  • au88au88.online:8443

  • au88au88.online:443

Attributes
  • audio_folder

    au88

  • audio_path

    ApplicationPath

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    App.exe

  • copy_folder

    au88

  • 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

    remcos

  • mouse_option

    false

  • mutex

    Rmc-PUC7JN

  • screenshot_crypt

    false

  • screenshot_flag

    true

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target
      3.exe
    • Size 644KB
    • SHA256 771b7a82cc28db768c6c941a58877dda5d2aa290ce3a60a9308ab142ccc4642a
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    au88discoveryremcospersistencerat

    • 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
    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks