General

  • Target

    8dd3a8d57533cddb053799ed6f14291ed97042e9209870f8daa0a8eeb9223d38.exe

  • Size

    937KB

  • Sample

    240910-chfs5stbrg

  • MD5

    d153584c42340d402d6e44454c3ad5b2

  • SHA1

    e14bfbe2f059a26e75755e29f032c5e0d3cf673c

  • SHA256

    8dd3a8d57533cddb053799ed6f14291ed97042e9209870f8daa0a8eeb9223d38

  • SHA512

    599b52b887b1c71515ec37ac072b4201a5fa023445b88390a6af0d7e51c90b4d71e02e6c273982efd45f4f2c781fd1608eff5d916968d7c70b06be0b103b33f9

  • SSDEEP

    24576:/iUmSB/o5d1ubcvq/q9JwVZeYc+V8leByGrKzp6B3IjM://mU/ohubcvq/2wVZee8leDrKzp638

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

system6233.duckdns.org:3045

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

    false

  • install_flag

    false

  • keylog_crypt

    true

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-HSZZPP

  • 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

      8dd3a8d57533cddb053799ed6f14291ed97042e9209870f8daa0a8eeb9223d38.exe

    • Size

      937KB

    • MD5

      d153584c42340d402d6e44454c3ad5b2

    • SHA1

      e14bfbe2f059a26e75755e29f032c5e0d3cf673c

    • SHA256

      8dd3a8d57533cddb053799ed6f14291ed97042e9209870f8daa0a8eeb9223d38

    • SHA512

      599b52b887b1c71515ec37ac072b4201a5fa023445b88390a6af0d7e51c90b4d71e02e6c273982efd45f4f2c781fd1608eff5d916968d7c70b06be0b103b33f9

    • SSDEEP

      24576:/iUmSB/o5d1ubcvq/q9JwVZeYc+V8leByGrKzp6B3IjM://mU/ohubcvq/2wVZee8leDrKzp638

    • Remcos

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

    • UAC bypass

    • Credentials from Password Stores: Credentials from Web Browsers

      Malicious Access or copy of Web Browser Credential store.

    • 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

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Accesses Microsoft Outlook accounts

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks