General

  • Target

    https://www.sendgb.com/src/download_one.php?uploadId=XRe6kNMAcgW&sc=b29a7fb0f99e7316d6fef858df464c88&file=DOCUMET7887RAMADA%40%23%24%40%21.LZH&private_id=

  • Sample

    250116-kpxz1askat

Malware Config

Extracted

Family

remcos

Botnet

Sent

C2

haleleeh8iuoty1.duckdns.org:8347

haleleeh8iuoty1.duckdns.org:37830

haleleeh8iuoty2.duckdns.org:8347

haleleeh8iuoty3.duckdns.org:8347

haleleeh8iuoty4.duckdns.org:8347

Attributes
  • audio_folder

    MicRecords

  • 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

    true

  • install_flag

    false

  • keylog_crypt

    false

  • keylog_file

    kmirtup.dat

  • keylog_flag

    false

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    aksoetuise-Y9DD4X

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      https://www.sendgb.com/src/download_one.php?uploadId=XRe6kNMAcgW&sc=b29a7fb0f99e7316d6fef858df464c88&file=DOCUMET7887RAMADA%40%23%24%40%21.LZH&private_id=

    • Remcos

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

    • Remcos family

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • Executes dropped EXE

    • Adds Run key to start application

    • Blocklisted process makes network request

    • Legitimate hosting services abused for malware hosting/C2

    • Suspicious use of NtCreateThreadExHideFromDebugger

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks