General

  • Target

    RFQ-20241230.pif

  • Size

    964KB

  • Sample

    250108-kfszpavkdl

  • MD5

    e420f31140cb8a6e79c3729bb60b69d2

  • SHA1

    0024d24f5941374aa1a45d71faef8ff2b5a6a6f0

  • SHA256

    0a8d24447650e7f6b92454a47a880cd2ce12681d047c3a1c3b44e69cb7fff59d

  • SHA512

    4c42727ca126a44e3f92471fc2df9146dbf917c3031abf54602088f8594b1956208d0bd126eb5c70ecba9e0812c06f80ba383eb2f3fa6cb07bd24847078e9a69

  • SSDEEP

    24576:FzrqD+VnGOgUL+oMIk2W/PpOlL46TFJt:BqyVnCUaLnZONbTFJ

Malware Config

Extracted

Family

remcos

Botnet

RemcoHost

C2

173.211.106.233:2404

Attributes
  • audio_folder

    MicRecords

  • audio_path

    ApplicationPath

  • 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-4WOIVV

  • 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

      RFQ-20241230.pif

    • Size

      964KB

    • MD5

      e420f31140cb8a6e79c3729bb60b69d2

    • SHA1

      0024d24f5941374aa1a45d71faef8ff2b5a6a6f0

    • SHA256

      0a8d24447650e7f6b92454a47a880cd2ce12681d047c3a1c3b44e69cb7fff59d

    • SHA512

      4c42727ca126a44e3f92471fc2df9146dbf917c3031abf54602088f8594b1956208d0bd126eb5c70ecba9e0812c06f80ba383eb2f3fa6cb07bd24847078e9a69

    • SSDEEP

      24576:FzrqD+VnGOgUL+oMIk2W/PpOlL46TFJt:BqyVnCUaLnZONbTFJ

    • 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.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks