General

  • Target

    0371d6e1e7638e52af5cdef7265500ebd3426a0e3754afcf0b4f431d30f2025c.exe

  • Size

    2.6MB

  • Sample

    240815-bdtnrswbne

  • MD5

    27c848cc8c3e2fa769e418ffc2bb5dfc

  • SHA1

    cfbc5f79e7c6d3a1a5cdde28d3e3200a87c2f7e6

  • SHA256

    0371d6e1e7638e52af5cdef7265500ebd3426a0e3754afcf0b4f431d30f2025c

  • SHA512

    4da04151be639828b4a0eb4055e54cd34038331cc3ef0546025d74b6a89711740e00cf355c28e4da1e800f0ea3dcb8a027b94b9dfcbb948dc5fd46275cf5f3d8

  • SSDEEP

    49152:arasJSuxF9rdUbJ2wMt7QjKuBQucLG3Vd1JScFPtNYUy3cT+c9SjO:oxD6vDwYYUScT+p

Malware Config

Extracted

Family

remcos

Botnet

2560

C2

107.173.4.16:2560

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-L6F79W

  • 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

      0371d6e1e7638e52af5cdef7265500ebd3426a0e3754afcf0b4f431d30f2025c.exe

    • Size

      2.6MB

    • MD5

      27c848cc8c3e2fa769e418ffc2bb5dfc

    • SHA1

      cfbc5f79e7c6d3a1a5cdde28d3e3200a87c2f7e6

    • SHA256

      0371d6e1e7638e52af5cdef7265500ebd3426a0e3754afcf0b4f431d30f2025c

    • SHA512

      4da04151be639828b4a0eb4055e54cd34038331cc3ef0546025d74b6a89711740e00cf355c28e4da1e800f0ea3dcb8a027b94b9dfcbb948dc5fd46275cf5f3d8

    • SSDEEP

      49152:arasJSuxF9rdUbJ2wMt7QjKuBQucLG3Vd1JScFPtNYUy3cT+c9SjO:oxD6vDwYYUScT+p

    • 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

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks