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General

  • Target

    3758ece40a4e7fdefd1d742e694dc86ddbd87f1d78bafcfb48934c450630d10b.exe

  • Size

    1.0MB

  • Sample

    240213-c5t92sdb48

  • MD5

    e5d2981fd9c531b3cfb780cf781bac91

  • SHA1

    aaf7084c369138eb5588051eda8aec9aa3c4ac26

  • SHA256

    3758ece40a4e7fdefd1d742e694dc86ddbd87f1d78bafcfb48934c450630d10b

  • SHA512

    ec10e5de423564c17caac9e3c8a4ab2d1ed51882c9cfe145374d69e9f18382d7bd23d370f0389fb56c3b77073da11351978e803dc53c7135e618bbf0507be539

  • SSDEEP

    24576:Aazz87bccsW43UyDBU7RCFYK9i3iOpOnC+yqiQDi/DtS:AOz8732BdUCYK9i3X6CPqinDo

Malware Config

Extracted

Family

remcos

Botnet

P2-bin

C2

84.38.132.126:61445

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-ANE1CN

  • 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

      3758ece40a4e7fdefd1d742e694dc86ddbd87f1d78bafcfb48934c450630d10b.exe

    • Size

      1.0MB

    • MD5

      e5d2981fd9c531b3cfb780cf781bac91

    • SHA1

      aaf7084c369138eb5588051eda8aec9aa3c4ac26

    • SHA256

      3758ece40a4e7fdefd1d742e694dc86ddbd87f1d78bafcfb48934c450630d10b

    • SHA512

      ec10e5de423564c17caac9e3c8a4ab2d1ed51882c9cfe145374d69e9f18382d7bd23d370f0389fb56c3b77073da11351978e803dc53c7135e618bbf0507be539

    • SSDEEP

      24576:Aazz87bccsW43UyDBU7RCFYK9i3iOpOnC+yqiQDi/DtS:AOz8732BdUCYK9i3X6CPqinDo

    • 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

    • NirSoft MailPassView

      Password recovery tool for various email clients

    • NirSoft WebBrowserPassView

      Password recovery tool for various web browsers

    • Nirsoft

    • 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

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