General

  • Target

    LisectAVT_2403002A_36.exe

  • Size

    1012KB

  • Sample

    240725-ap6xsszbkg

  • MD5

    76f0c357433481769888394f7ec8bbf9

  • SHA1

    697d38057244b433fc2ffdd8dfd2c086ed5424dc

  • SHA256

    f8f72291115d788722cc33cef22e2ef826e221da3ad3c4074debb663281a38b2

  • SHA512

    6134a2b040b0e90da261ac27fc0bea64c8e85ec00f9c9e094b5dffe2b0123361ffe20906ef277bc9fc0df52e43339ea4923e2de9d80eb52b5f2f522f50403499

  • SSDEEP

    12288:lb1QnmdWT07TXFQP5jzXuAJjeHxT6exqDa5ciqDBeVPwbjuWbNa6a14xUzxHV+cm:lb1H/Ha53JCFvrePCIbQ6SjdHUII3

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

31.43.185.8:2202

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-LTXXML

  • 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

      LisectAVT_2403002A_36.exe

    • Size

      1012KB

    • MD5

      76f0c357433481769888394f7ec8bbf9

    • SHA1

      697d38057244b433fc2ffdd8dfd2c086ed5424dc

    • SHA256

      f8f72291115d788722cc33cef22e2ef826e221da3ad3c4074debb663281a38b2

    • SHA512

      6134a2b040b0e90da261ac27fc0bea64c8e85ec00f9c9e094b5dffe2b0123361ffe20906ef277bc9fc0df52e43339ea4923e2de9d80eb52b5f2f522f50403499

    • SSDEEP

      12288:lb1QnmdWT07TXFQP5jzXuAJjeHxT6exqDa5ciqDBeVPwbjuWbNa6a14xUzxHV+cm:lb1H/Ha53JCFvrePCIbQ6SjdHUII3

    • Remcos

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

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Checks computer location settings

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

    • Deletes itself

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Enumerates processes with tasklist

MITRE ATT&CK Enterprise v15

Tasks