General

  • Target
    8kbet_xin_chao.exe
  • Size 644KB
  • Sample261023-s78s8ats5l
  • SHA256 df5ca49d9d4b08c219461136f43d4f7650974c862e614f2a8714c89c036245b3
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • remcos

Version
  • 7.3.1 Pro

Botnet
  • RemoteHost

C2
  • 28bet.blue:8080

  • www.28bet.blue:8080

  • backdoor.28bet.blue:443

  • c2.28bet.blue:2404

  • malware.28bet.blue:2404

  • api.28bet.blue:80

Attributes
  • audio_folder

    MicRecords

  • audio_path

    ApplicationPath

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    WinService.exe

  • copy_folder

    Update

  • 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-3DHONA

  • 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

  • take_screenshot_title

    facebook;discord;telegram

Targets

    • Target
      8kbet_xin_chao.exe
    • Size 644KB
    • SHA256 df5ca49d9d4b08c219461136f43d4f7650974c862e614f2a8714c89c036245b3
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Family: Remcos

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

    • Suricata alert: REMCOS RAT Malware Outbound C2 Communication

      Network activity triggered a Suricata alert

    • Checks computer location settings

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

    • Executes dropped EXE

    • Adds Run key to start application

MITRE ATT&CK Enterprise v16

Tasks