General

  • Target

    RFQ-064845 2023.exe

  • Size

    1.1MB

  • Sample

    230322-qz83xaba4y

  • MD5

    d759962c3a20c3552551519467370d78

  • SHA1

    1d4707360041d977f52a3d5c20b9c5b6d9040e4f

  • SHA256

    f3c280a30bfcb13a09179451fc8a2885ea9a95258ee5b52bfd24a1caf7896e54

  • SHA512

    0ef38d8d1f712595e13ba273bb8b40791fc6ff767eab203878b447a49bb3b83b6781a1b02afc1c866fee3c2d0a070796caa5c4524ba0d17b57027fe9372a6986

  • SSDEEP

    24576:PvKTjt/DH/P74HcMA1d521GsmB7mUY48kv06pO7/2F5:PvK9fP74JAzFmRc06A/2

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

45.139.105.174:2210

212.193.30.230:6320

212.193.30.230:2286

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-G9FA76

  • screenshot_crypt

    false

  • screenshot_flag

    true

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    1

  • startup_value

    Remcos

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      RFQ-064845 2023.exe

    • Size

      1.1MB

    • MD5

      d759962c3a20c3552551519467370d78

    • SHA1

      1d4707360041d977f52a3d5c20b9c5b6d9040e4f

    • SHA256

      f3c280a30bfcb13a09179451fc8a2885ea9a95258ee5b52bfd24a1caf7896e54

    • SHA512

      0ef38d8d1f712595e13ba273bb8b40791fc6ff767eab203878b447a49bb3b83b6781a1b02afc1c866fee3c2d0a070796caa5c4524ba0d17b57027fe9372a6986

    • SSDEEP

      24576:PvKTjt/DH/P74HcMA1d521GsmB7mUY48kv06pO7/2F5:PvK9fP74JAzFmRc06A/2

    • 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.

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks