General

  • Target

    d92ad864a7ceb69d94b5247c94dc7cec67a58ff72347738d695820f9b841e379

  • Size

    605KB

  • Sample

    221028-ca2ewaeehm

  • MD5

    12efee2d1c1d943dfab7154e1d125322

  • SHA1

    8c9668854324d58d25f49f5785e052208dbde87d

  • SHA256

    d92ad864a7ceb69d94b5247c94dc7cec67a58ff72347738d695820f9b841e379

  • SHA512

    30b49f36fcb8409aa8e501bb16757b09e985ecd1b7d992d645eb24dc34bcee81cb3f7e4cea1a817408dd35351b54e7a4920ca9f085fe744d04a5256a87ff578f

  • SSDEEP

    6144:P/eWJmJ3WytTVw8eY07IGwYzTrMxv/IToCX2mTE/lxatvqLfyDJFKyoOTpNmy1:nrJmJDhW86sodTWmTEjwy7+8SNmy1

Malware Config

Extracted

Family

remcos

Version

1.7 Pro

Botnet

Oct 25th RDP

C2

gcrozonav.duckdns.org:4045

Attributes
  • audio_folder

    audio

  • audio_path

    %AppData%

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    5

  • copy_file

    Microsoft Intel Audio.exe

  • copy_folder

    Audio Microsoft

  • delete_file

    false

  • hide_file

    true

  • hide_keylog_file

    true

  • install_flag

    true

  • install_path

    %WinDir%

  • keylog_crypt

    true

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    Windows Display

  • keylog_path

    %WinDir%

  • mouse_option

    false

  • mutex

    Windows Audio

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screens

  • screenshot_path

    %AppData%

  • screenshot_time

    1

  • startup_value

    Windows Security Check

  • take_screenshot_option

    true

  • take_screenshot_time

    5

  • take_screenshot_title

    Username;password;proforma;invoice;notepad

Targets

    • Target

      d92ad864a7ceb69d94b5247c94dc7cec67a58ff72347738d695820f9b841e379

    • Size

      605KB

    • MD5

      12efee2d1c1d943dfab7154e1d125322

    • SHA1

      8c9668854324d58d25f49f5785e052208dbde87d

    • SHA256

      d92ad864a7ceb69d94b5247c94dc7cec67a58ff72347738d695820f9b841e379

    • SHA512

      30b49f36fcb8409aa8e501bb16757b09e985ecd1b7d992d645eb24dc34bcee81cb3f7e4cea1a817408dd35351b54e7a4920ca9f085fe744d04a5256a87ff578f

    • SSDEEP

      6144:P/eWJmJ3WytTVw8eY07IGwYzTrMxv/IToCX2mTE/lxatvqLfyDJFKyoOTpNmy1:nrJmJDhW86sodTWmTEjwy7+8SNmy1

    • Remcos

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

    • UAC bypass

    • Executes dropped EXE

    • Adds Run key to start application

    • Detected potential entity reuse from brand microsoft.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks