General

  • Target

    1aedcb18ce4460c5eecd34016cb42308b2f8ac1ddc51fb265b45200116a19de9.exe

  • Size

    928KB

  • Sample

    240408-bgt4pscb2t

  • MD5

    dcc3b6dda1529ad517aab7a372b8ffd2

  • SHA1

    a833a247d26bfa0990eff23348e33ca940b44b7b

  • SHA256

    1aedcb18ce4460c5eecd34016cb42308b2f8ac1ddc51fb265b45200116a19de9

  • SHA512

    87244b38366d46e71e3471ccdc41bcbf196214a29fd8ccbae3c0420f4d8a6f1e4c56af9092d608470a365393ea72d53b3f049f8f46d94f1a73acece298de0406

  • SSDEEP

    24576:nvIUBqyyF1eovgDUYlEz0QjZe6y/+0yF:vIUcYlQ7jI68w

Malware Config

Extracted

Family

remcos

Botnet

JONS

C2

172.245.208.13:4445

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

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-R7QS5C

  • 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

      1aedcb18ce4460c5eecd34016cb42308b2f8ac1ddc51fb265b45200116a19de9.exe

    • Size

      928KB

    • MD5

      dcc3b6dda1529ad517aab7a372b8ffd2

    • SHA1

      a833a247d26bfa0990eff23348e33ca940b44b7b

    • SHA256

      1aedcb18ce4460c5eecd34016cb42308b2f8ac1ddc51fb265b45200116a19de9

    • SHA512

      87244b38366d46e71e3471ccdc41bcbf196214a29fd8ccbae3c0420f4d8a6f1e4c56af9092d608470a365393ea72d53b3f049f8f46d94f1a73acece298de0406

    • SSDEEP

      24576:nvIUBqyyF1eovgDUYlEz0QjZe6y/+0yF:vIUcYlQ7jI68w

    • ModiLoader, DBatLoader

      ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.

    • Remcos

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

    • Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003)

    • Detects executables built or packed with MPress PE compressor

    • Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers

    • Detects executables referencing many email and collaboration clients. Observed in information stealers

    • ModiLoader Second Stage

    • NirSoft MailPassView

      Password recovery tool for various email clients

    • NirSoft WebBrowserPassView

      Password recovery tool for various web browsers

    • Nirsoft

    • Executes dropped EXE

    • Reads user/profile data of web browsers

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

    • Accesses Microsoft Outlook accounts

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks