General

  • Target

    SecuriteInfo.com.W32.MSIL_Agent.EFA.gen.Eldorado.18921.5915.exe

  • Size

    6KB

  • Sample

    221101-mhnh4aagg3

  • MD5

    4b2718452c1fed11c60360fce90fbd19

  • SHA1

    25a8ba1ad496ab2a512cab0ab66f78d797708ec7

  • SHA256

    f7695b01e599cdc3e9da17666b1074d67669f3b19e5ed7d3f65dc073adc20e86

  • SHA512

    63371d9c148e9ef0e5d190270a5cda6dd705c34009b1fb542509b816c6592c22d194c4f4bd8dae5c1f6ff9332ffc7d7c27d433c40ab6b858108d79f65e50a30d

  • SSDEEP

    96:w5GHgJaUu0gI8wGJb7oJXy/VMv9nEZDHbZU3GnUODL:w5GAJlWx7oJXBRw5Uv0

Malware Config

Extracted

Family

remcos

Botnet

Remote

C2

79.110.62.46:50499

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

    windowss

  • mouse_option

    false

  • mutex

    fg4wer4s5trgfqewdc-WR9LLO

  • 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

      SecuriteInfo.com.W32.MSIL_Agent.EFA.gen.Eldorado.18921.5915.exe

    • Size

      6KB

    • MD5

      4b2718452c1fed11c60360fce90fbd19

    • SHA1

      25a8ba1ad496ab2a512cab0ab66f78d797708ec7

    • SHA256

      f7695b01e599cdc3e9da17666b1074d67669f3b19e5ed7d3f65dc073adc20e86

    • SHA512

      63371d9c148e9ef0e5d190270a5cda6dd705c34009b1fb542509b816c6592c22d194c4f4bd8dae5c1f6ff9332ffc7d7c27d433c40ab6b858108d79f65e50a30d

    • SSDEEP

      96:w5GHgJaUu0gI8wGJb7oJXy/VMv9nEZDHbZU3GnUODL:w5GAJlWx7oJXBRw5Uv0

    • Remcos

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

    • Checks computer location settings

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

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks