General

  • Target

    d30e71d321786a1cda09b0c75d408a8541b6167b6753de08f46504d90d2af129.msi

  • Size

    4.0MB

  • Sample

    240929-bz98msvdqk

  • MD5

    bce2b57d15105b59a838eb1bd12aa7ee

  • SHA1

    81d4e952363ec181cd06007fbbd5a8b83cce51cf

  • SHA256

    d30e71d321786a1cda09b0c75d408a8541b6167b6753de08f46504d90d2af129

  • SHA512

    4fd8dee6ca059a1174ceed13d86843c03150424ff06305e5d35fac0e3a66a28e477fe19a138c2526ad87ccadb9251d68ebbf6d024e053959dee698a8140b499a

  • SSDEEP

    98304:xptfJOkKJqbdkE3GCIA/DCSlT/IZY//xEYQvjGkvUco5B1:151xkE3G8XIKB27dMco5

Malware Config

Extracted

Family

remcos

Botnet

BACKUP_PIP

C2

heavytank21gh.com:4422

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

    info.dat

  • keylog_flag

    false

  • keylog_folder

    tmpdata

  • mouse_option

    false

  • mutex

    aujifbh8123-1M56R1

  • 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

      d30e71d321786a1cda09b0c75d408a8541b6167b6753de08f46504d90d2af129.msi

    • Size

      4.0MB

    • MD5

      bce2b57d15105b59a838eb1bd12aa7ee

    • SHA1

      81d4e952363ec181cd06007fbbd5a8b83cce51cf

    • SHA256

      d30e71d321786a1cda09b0c75d408a8541b6167b6753de08f46504d90d2af129

    • SHA512

      4fd8dee6ca059a1174ceed13d86843c03150424ff06305e5d35fac0e3a66a28e477fe19a138c2526ad87ccadb9251d68ebbf6d024e053959dee698a8140b499a

    • SSDEEP

      98304:xptfJOkKJqbdkE3GCIA/DCSlT/IZY//xEYQvjGkvUco5B1:151xkE3G8XIKB27dMco5

    • Remcos

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

    • Modifies file permissions

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks