General

  • Target

    8460bf2d461d7bd4a713b86b37ac381cb71d57f967f01bc02cef7be71897fadfN

  • Size

    2.2MB

  • Sample

    241002-qhykvaxgkp

  • MD5

    d8678cb7b1d3332b939c548edb8f4e10

  • SHA1

    30ed6e580a8dc070b849c97460d7384dd94af766

  • SHA256

    8460bf2d461d7bd4a713b86b37ac381cb71d57f967f01bc02cef7be71897fadf

  • SHA512

    ce354076836a47fd48cecd802736a6392d1ac8fc22291f579434d7dfc9b4d5f1bd307974dbd44a198146ed0b033f95e3e35f39ef2958804b6d011d26767b00fd

  • SSDEEP

    24576:8D39v74lfGQrFUspugRNJI2DJ53J/J/L5dJPjYF4avnXJJJjR:8p7E+QrFUBgq2Sn9R

Malware Config

Extracted

Family

remcos

Version

1.7 Pro

Botnet

Host

C2

213.183.58.19:4000

Attributes
  • audio_folder

    audio

  • audio_path

    %AppData%

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    5

  • copy_file

    remcos.exe

  • copy_folder

    remcos

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    true

  • install_flag

    false

  • install_path

    %AppData%

  • keylog_crypt

    true

  • keylog_file

    read.dat

  • keylog_flag

    false

  • keylog_folder

    CastC

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    remcos_sccafsoidz

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screens

  • screenshot_path

    %AppData%

  • screenshot_time

    1

  • startup_value

    remcos

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      8460bf2d461d7bd4a713b86b37ac381cb71d57f967f01bc02cef7be71897fadfN

    • Size

      2.2MB

    • MD5

      d8678cb7b1d3332b939c548edb8f4e10

    • SHA1

      30ed6e580a8dc070b849c97460d7384dd94af766

    • SHA256

      8460bf2d461d7bd4a713b86b37ac381cb71d57f967f01bc02cef7be71897fadf

    • SHA512

      ce354076836a47fd48cecd802736a6392d1ac8fc22291f579434d7dfc9b4d5f1bd307974dbd44a198146ed0b033f95e3e35f39ef2958804b6d011d26767b00fd

    • SSDEEP

      24576:8D39v74lfGQrFUspugRNJI2DJ53J/J/L5dJPjYF4avnXJJJjR:8p7E+QrFUBgq2Sn9R

    • 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

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks