General

  • Target

    cbcd738e4acad1d80148a67af4dca082e19f2d411f14fd0aa41d1c9c98fe5048.exe

  • Size

    896KB

  • Sample

    241204-dtalyayqez

  • MD5

    b464444a180c10a26843bc549cd87601

  • SHA1

    545b633847b6148c0016f58fc2d9a949778b0433

  • SHA256

    cbcd738e4acad1d80148a67af4dca082e19f2d411f14fd0aa41d1c9c98fe5048

  • SHA512

    b2f849290ce0948f3f43336818c9448b6538ef14dbeae122943d91a159acb8cf81976bb84f9c7f313c64943cdc7b02f9d3b804866c5befdc0cf260e01595a1f0

  • SSDEEP

    24576:mn9Cgx+s7vOBnRtyy3/DaIiZD7kFOoLGV0EFemOoZ0IZ:UwgvezycbtI4OH0EFePo2IZ

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

eadzagba1.duckdns.org:4877

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

    true

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-8XMYGH

  • 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

      cbcd738e4acad1d80148a67af4dca082e19f2d411f14fd0aa41d1c9c98fe5048.exe

    • Size

      896KB

    • MD5

      b464444a180c10a26843bc549cd87601

    • SHA1

      545b633847b6148c0016f58fc2d9a949778b0433

    • SHA256

      cbcd738e4acad1d80148a67af4dca082e19f2d411f14fd0aa41d1c9c98fe5048

    • SHA512

      b2f849290ce0948f3f43336818c9448b6538ef14dbeae122943d91a159acb8cf81976bb84f9c7f313c64943cdc7b02f9d3b804866c5befdc0cf260e01595a1f0

    • SSDEEP

      24576:mn9Cgx+s7vOBnRtyy3/DaIiZD7kFOoLGV0EFemOoZ0IZ:UwgvezycbtI4OH0EFePo2IZ

    • Remcos

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

    • Remcos family

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • 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