Overview

overview

10

Static

static

1

d12fc581fb...1N.exe

windows7-x64

10

d12fc581fb...1N.exe

windows10-2004-x64

10

Sharing

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General

  • Target
    d12fc581fb473cb6b22b253f4a26f3780063970442a18cd27a299c750ad6e221N
  • Size 2.0MB
  • Sample241017-cdarbswemd
  • SHA256 d12fc581fb473cb6b22b253f4a26f3780063970442a18cd27a299c750ad6e221
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
remcoshostdiscoverypersistenceratspywarestealer

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
      d12fc581fb473cb6b22b253f4a26f3780063970442a18cd27a299c750ad6e221N
    • Size 2.0MB
    • SHA256 d12fc581fb473cb6b22b253f4a26f3780063970442a18cd27a299c750ad6e221
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    remcoshostdiscoverypersistenceratspywarestealer

    • Remcos

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

      ratremcos

    • 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.

      spywarestealer

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks