General

  • Target

    02b4e1709e79653e9569bf727301f92d4928726ba69d8d764db5841b94d63671

  • Size

    482KB

  • Sample

    241007-fm2sys1djf

  • MD5

    13095aaded59fb08db07ecf6bc2387ef

  • SHA1

    13466ec6545a05da5d8ea49a8ec6c56c4f9aa648

  • SHA256

    02b4e1709e79653e9569bf727301f92d4928726ba69d8d764db5841b94d63671

  • SHA512

    fe10e40072e12c68edd3c3fcb9583253a4ee9fd7ec42f2a423829202abedf443c654968acb44919ad8ba3ecafa77c95b7fd2b8b641dd83779960363c0bb11bf0

  • SSDEEP

    6144:iTz+c6KHYBhDc1RGJdv//NkUn+N5Bkf/0TELRvIZPjbsAOZZXAXkcr/T4:iTlrYw1RUh3NFn+N5WfIQIjbs/ZXgT4

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

liveos.zapto.org:2404

Attributes
  • audio_folder

    MicRecords

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    remcos.exe

  • copy_folder

    tst

  • delete_file

    false

  • hide_file

    true

  • hide_keylog_file

    false

  • install_flag

    true

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-Y7B4RN

  • 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

      02b4e1709e79653e9569bf727301f92d4928726ba69d8d764db5841b94d63671

    • Size

      482KB

    • MD5

      13095aaded59fb08db07ecf6bc2387ef

    • SHA1

      13466ec6545a05da5d8ea49a8ec6c56c4f9aa648

    • SHA256

      02b4e1709e79653e9569bf727301f92d4928726ba69d8d764db5841b94d63671

    • SHA512

      fe10e40072e12c68edd3c3fcb9583253a4ee9fd7ec42f2a423829202abedf443c654968acb44919ad8ba3ecafa77c95b7fd2b8b641dd83779960363c0bb11bf0

    • SSDEEP

      6144:iTz+c6KHYBhDc1RGJdv//NkUn+N5Bkf/0TELRvIZPjbsAOZZXAXkcr/T4:iTlrYw1RUh3NFn+N5WfIQIjbs/ZXgT4

    • Remcos

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

    • Adds policy Run key to start application

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks