General

  • Target
    payment receipt.jpg.exe
  • Size 1.3MB
  • Sample250507-qa3vlabl7s
  • SHA256 429a93e7b3f98aaa621cf9c8e86b89d11d8b103207364c7d8a5f7a9949b3f16c
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • remcos

Botnet
  • RemoteHost

C2
  • 23.146.242.237:5817

Attributes
  • audio_folder

    MicRecords

  • audio_path

    ApplicationPath

  • 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

    false

  • install_flag

    false

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-1CW81X

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target
      payment receipt.jpg.exe
    • Size 1.3MB
    • SHA256 429a93e7b3f98aaa621cf9c8e86b89d11d8b103207364c7d8a5f7a9949b3f16c
    • MD5 SHA1 SHA512 SSDEEP
    • Remcos

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

    • Remcos family

    • Detected Nirsoft tools

      Free utilities often used by attackers which can steal passwords, product keys, etc.

    • NirSoft MailPassView

      Password recovery tool for various email clients

    • NirSoft WebBrowserPassView

      Password recovery tool for various web browsers

    • Drops startup file

    • Executes dropped EXE

    • Accesses Microsoft Outlook accounts

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v16

Tasks