Overview

overview

10

Static

static

5

213e2a44bb...eb.exe

windows10-2004-x64

10

213e2a44bb...eb.exe

windows11-21h2-x64

10

Sharing

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General

  • Target
    213e2a44bb3005063ef28853ee7852fd7adf937e67ba366dd5753031b44422eb.exe
  • Size 1.5MB
  • Sample260511-y3rl2adv5p
  • SHA256 213e2a44bb3005063ef28853ee7852fd7adf937e67ba366dd5753031b44422eb
  • MD5 SHA1 SHA512 SSDEEP TLSH
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
      213e2a44bb3005063ef28853ee7852fd7adf937e67ba366dd5753031b44422eb.exe
    • Size 1.5MB
    • SHA256 213e2a44bb3005063ef28853ee7852fd7adf937e67ba366dd5753031b44422eb
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    hostdiscoveryremcospersistenceratspywarestealer

    • Family: 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

    • 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 v16

Tasks