General

  • Target

    scan_copy -account details.exe

  • Size

    544KB

  • Sample

    240809-js28fsyann

  • MD5

    cd5155b600fbc02c51b13b11df931b55

  • SHA1

    fca2d7afc64421910ad1c256fb634f32b00ef27b

  • SHA256

    ccd6b2a6a94558d78d46955365f3dde6562301f7e3be7c7821521e8ae1cb2f10

  • SHA512

    e028ef6fc9c0852cc1bae5a2f314e661472d4c9877634ba0be8d906e7cfb71bb0a5016e6b8a295761df871e05e6bafbbd6f1810b5407e76e41a0c0e2428c5416

  • SSDEEP

    12288:b+Y1A81D6cl2xhDIM1M9QFbTLcQHrl22yaOSBig:b+YW8FCdR1y8LLyaJ

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

194.169.175.190:2404

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-LBZ2BK

  • 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

      scan_copy -account details.exe

    • Size

      544KB

    • MD5

      cd5155b600fbc02c51b13b11df931b55

    • SHA1

      fca2d7afc64421910ad1c256fb634f32b00ef27b

    • SHA256

      ccd6b2a6a94558d78d46955365f3dde6562301f7e3be7c7821521e8ae1cb2f10

    • SHA512

      e028ef6fc9c0852cc1bae5a2f314e661472d4c9877634ba0be8d906e7cfb71bb0a5016e6b8a295761df871e05e6bafbbd6f1810b5407e76e41a0c0e2428c5416

    • SSDEEP

      12288:b+Y1A81D6cl2xhDIM1M9QFbTLcQHrl22yaOSBig:b+YW8FCdR1y8LLyaJ

    • Remcos

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

    • 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

    • Accesses Microsoft Outlook accounts

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks