General

  • Target

    Iberland_Pd0704025001_PDF.vbs

  • Size

    33KB

  • Sample

    250407-s9de4avset

  • MD5

    d476d766919d0e65f85c61d96d136e52

  • SHA1

    75b925e03ca1866553946c4d05910fdd83344bff

  • SHA256

    775afd37f4b13555ab7c7b457e477039a41e4cc66083eb008af3594127f5ed2b

  • SHA512

    e3a5a681098baccfa09f24386506b74f0c7bd91e974e33199ee399000f0e983f93f9023d30fae9b29ec795c405b1efcbc8467b716cdb0f1539bc4aedc3fee890

  • SSDEEP

    768:MeifDnb2ZBpPMFg2vSJtDNUyTmdmbJZyiMvF1mtQhTd:GfDCDpkhSJlWuum+FF1rTd

Malware Config

Extracted

Family

remcos

Botnet

1x178

C2

1x178p.duckdns.org:59111

1x178pbk.duckdns.org:52867

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-86I9Z1

  • 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

      Iberland_Pd0704025001_PDF.vbs

    • Size

      33KB

    • MD5

      d476d766919d0e65f85c61d96d136e52

    • SHA1

      75b925e03ca1866553946c4d05910fdd83344bff

    • SHA256

      775afd37f4b13555ab7c7b457e477039a41e4cc66083eb008af3594127f5ed2b

    • SHA512

      e3a5a681098baccfa09f24386506b74f0c7bd91e974e33199ee399000f0e983f93f9023d30fae9b29ec795c405b1efcbc8467b716cdb0f1539bc4aedc3fee890

    • SSDEEP

      768:MeifDnb2ZBpPMFg2vSJtDNUyTmdmbJZyiMvF1mtQhTd:GfDCDpkhSJlWuum+FF1rTd

    • 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

    • Blocklisted process makes network request

    • Checks computer location settings

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

    • Accesses Microsoft Outlook accounts

    • Adds Run key to start application

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Suspicious use of NtCreateThreadExHideFromDebugger

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks