General

  • Target
    x288511e780e07d366e2e06ba66fd066ff6fc8ae3894a912664952566fefc5517.exe
  • Size 1.1MB
  • Sample260701-g98epaat31
  • SHA256 288511e780e07d366e2e06ba66fd066ff6fc8ae3894a912664952566fefc5517
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • remcos

Version
  • 2.4.5 Pro

Botnet
  • Remote%Host

C2
  • www.rmagent.biz:7181

Attributes
  • audio_folder

    MicRecords

  • audio_path

    %AppData%

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    vbs.server.exe

  • copy_folder

    vbs.server

  • delete_file

    true

  • hide_file

    true

  • hide_keylog_file

    false

  • install_flag

    false

  • install_path

    %AppData%

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    Remcos-00GA1C

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    vbs.server

  • take_screenshot_option

    false

  • take_screenshot_time

    5

  • take_screenshot_title

    wikipedia;solitaire;

Targets

    • Target
      x288511e780e07d366e2e06ba66fd066ff6fc8ae3894a912664952566fefc5517.exe
    • Size 1.1MB
    • SHA256 288511e780e07d366e2e06ba66fd066ff6fc8ae3894a912664952566fefc5517
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Family: Remcos

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

    • Manipulates Digital Signatures

      Attackers can apply techniques such as changing the registry keys of authenticode & Cryptography to make their binary seem validly signed.

    • Checks computer location settings

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

    • Drops startup file

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v16

Tasks