Overview

overview

10

Static

static

vbc.exe

windows7_x64

10

vbc.exe

windows10-2004_x64

10

Sharing

Copy URL Twitter E-mail

General

  • Target
    vbc.exe
  • Size 539KB
  • Sample220516-2c27maehal
  • SHA256 96b2da5b493ac29bb08e8045157cd8b2643dcfa4a937f7eced5a276b8f8a6b67
  • MD5 SHA1 SHA512
Score
10/10
remcosremotehostcollectionpersistenceratspywarestealer

Malware Config

Extracted

Family

  • remcos

Botnet

  • RemoteHost

C2

  • skygroupt6.zapto.org:2080

Attributes
  • audio_folder

    MicRecords

  • audio_path

    %AppData%

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    ios.exe

  • copy_folder

  • delete_file

    false

  • hide_file

    true

  • hide_keylog_file

    true

  • install_flag

    true

  • install_path

    %AppData%

  • keylog_crypt

    true

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    Remcos-FL7CBT

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    Re

  • take_screenshot_option

    false

  • take_screenshot_time

    5

  • take_screenshot_title

Targets

    • Target
      vbc.exe
    • Size 539KB
    • SHA256 96b2da5b493ac29bb08e8045157cd8b2643dcfa4a937f7eced5a276b8f8a6b67
    • MD5 SHA1 SHA512
    Score
    10/10
    remcosremotehostcollectionpersistenceratspywarestealer

    • Remcos

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

      ratremcos

    • NirSoft MailPassView

      Password recovery tool for various email clients

    • NirSoft WebBrowserPassView

      Password recovery tool for various web browsers

    • Nirsoft

    • Executes dropped EXE

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

      spywarestealer

    • Uses the VBS compiler for execution

    • Accesses Microsoft Outlook accounts

      collection

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v6

Tasks