General

  • Target

    fffdc25e76135df50ce2849a2ec4766ddc1b422e42985b18d8b932e3ffb9b7e3

  • Size

    219KB

  • Sample

    241129-gn4vdavmen

  • MD5

    116fb4bb7ec49045cb4f38e75c323cd2

  • SHA1

    7c6790329e17004278f46b6194d3f0d670e6d888

  • SHA256

    fffdc25e76135df50ce2849a2ec4766ddc1b422e42985b18d8b932e3ffb9b7e3

  • SHA512

    688df7a22f9a08049951a0006e9608d9c24c31d7f2d19c369148307ffca139679f16dbd491ea277001676a5541fe13a0a31dff568041030963490bcecff5a7c6

  • SSDEEP

    3072:jyYVDf4vVhU2mt6F6ncwxLW+GZyYyN4h2OJDoz+IUBek7nNtZRkn+t3+V2lMCV/N:jV4vVRPw5W+DYh2OJ2R+Zqn+l+V2FA

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

41.216.183.238:7112

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-Y7J88P

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    Remcos

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      fffdc25e76135df50ce2849a2ec4766ddc1b422e42985b18d8b932e3ffb9b7e3

    • Size

      219KB

    • MD5

      116fb4bb7ec49045cb4f38e75c323cd2

    • SHA1

      7c6790329e17004278f46b6194d3f0d670e6d888

    • SHA256

      fffdc25e76135df50ce2849a2ec4766ddc1b422e42985b18d8b932e3ffb9b7e3

    • SHA512

      688df7a22f9a08049951a0006e9608d9c24c31d7f2d19c369148307ffca139679f16dbd491ea277001676a5541fe13a0a31dff568041030963490bcecff5a7c6

    • SSDEEP

      3072:jyYVDf4vVhU2mt6F6ncwxLW+GZyYyN4h2OJDoz+IUBek7nNtZRkn+t3+V2lMCV/N:jV4vVRPw5W+DYh2OJ2R+Zqn+l+V2FA

    • Remcos

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

    • Remcos family

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • 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

    • Drops startup file

    • Accesses Microsoft Outlook accounts

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks