General

  • Target

    3B84DCE82113710E5AE3F379EBD9FA13.exe

  • Size

    1.1MB

  • Sample

    241210-c9affa1mct

  • MD5

    3b84dce82113710e5ae3f379ebd9fa13

  • SHA1

    26df2f5f9ba223ce4848586582172c9c20516416

  • SHA256

    b25e19cd5dc45047c4ad68fbe940dd1f923800201666adf9164ec5fe5d74f6e4

  • SHA512

    299ed1e965189ff3d25bd6e12790d93648c0d69959eeab8d5d7c4563c3488764eadf968855782d50d68c98d67a6a63be80828367ec704a102c407ebd7a2fa871

  • SSDEEP

    24576:wHeZDOyc0wCqMXY1nhtFUSU6xNP1cQYY:wHbLm4ftFzx7c

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

45.149.241.204:435

Attributes
  • audio_folder

    MicRecords

  • audio_path

    ApplicationPath

  • 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-DX92V7

  • 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

      3B84DCE82113710E5AE3F379EBD9FA13.exe

    • Size

      1.1MB

    • MD5

      3b84dce82113710e5ae3f379ebd9fa13

    • SHA1

      26df2f5f9ba223ce4848586582172c9c20516416

    • SHA256

      b25e19cd5dc45047c4ad68fbe940dd1f923800201666adf9164ec5fe5d74f6e4

    • SHA512

      299ed1e965189ff3d25bd6e12790d93648c0d69959eeab8d5d7c4563c3488764eadf968855782d50d68c98d67a6a63be80828367ec704a102c407ebd7a2fa871

    • SSDEEP

      24576:wHeZDOyc0wCqMXY1nhtFUSU6xNP1cQYY:wHbLm4ftFzx7c

    • Remcos

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

    • Remcos family

    • 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

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • 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