General

  • Target

    z15TFDG098700080000800.BAT

  • Size

    878KB

  • Sample

    240214-rd5c9scf6x

  • MD5

    d8fa6959c7765d689fa7e3281b46bfb8

  • SHA1

    804ae2c2cb08375cdbb1876dc3234e8d91841747

  • SHA256

    3e21b228b8e069458460dc632de5d378f51ff7438a26197c50193580ec68e78d

  • SHA512

    14d94047d1fd5db1ce50f323f6adaadbfc4f1e7640fbaa879fb3d6034d037ed5d2cf588f0fb595b27a807f0be318f5f93dbb7fc38d2a72aa424bc0a7a3a05fcd

  • SSDEEP

    24576:zox7nA7gNJV41GiEd1zjIM3Ybl2ES01FzqItCctn:Ex7nAwBi8FD3Y4yz3tCctn

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

107.175.229.139:8087

Attributes
  • audio_folder

    MicRecords

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    5

  • 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

    yes.png

  • keylog_flag

    false

  • keylog_folder

    aka

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    jhudguiytgu-AAHEXC

  • 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

      z15TFDG098700080000800.BAT

    • Size

      878KB

    • MD5

      d8fa6959c7765d689fa7e3281b46bfb8

    • SHA1

      804ae2c2cb08375cdbb1876dc3234e8d91841747

    • SHA256

      3e21b228b8e069458460dc632de5d378f51ff7438a26197c50193580ec68e78d

    • SHA512

      14d94047d1fd5db1ce50f323f6adaadbfc4f1e7640fbaa879fb3d6034d037ed5d2cf588f0fb595b27a807f0be318f5f93dbb7fc38d2a72aa424bc0a7a3a05fcd

    • SSDEEP

      24576:zox7nA7gNJV41GiEd1zjIM3Ybl2ES01FzqItCctn:Ex7nAwBi8FD3Y4yz3tCctn

    • Remcos

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

    • NirSoft MailPassView

      Password recovery tool for various email clients

    • NirSoft WebBrowserPassView

      Password recovery tool for various web browsers

    • Nirsoft

    • Checks computer location settings

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

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Accesses Microsoft Outlook accounts

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks