Overview

overview

10

Static

static

10

21bf6214be...ea.exe

windows10-2004-x64

10

21bf6214be...ea.exe

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    21bf6214be02533e05fd0801fc941d86981f7d3dc94852c118f51654d1e98fea.bin
  • Size 513KB
  • Sample260828-k9fapawbld
  • SHA256 21bf6214be02533e05fd0801fc941d86981f7d3dc94852c118f51654d1e98fea
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
remcosremcosremotehostdiscoverypersistenceratsuricata

Malware Config

Extracted

Family

  • remcos

Version

  • 7.2.6 Pro

Botnet

  • RemcosRemoteHost

C2

  • qh88us.com:8080

  • c2.qh88us.com:2404

  • 172.67.197.118:8080

  • 172.67.197.118:443

  • 104.21.76.161:443

  • 104.21.76.161:8080

Attributes
  • audio_folder

    MicRecords

  • audio_path

    ApplicationPath

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    winservice.exe

  • copy_folder

    service

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    false

  • install_flag

    true

  • install_path

    %AppData%

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-9M4E0H

  • screenshot_crypt

    false

  • screenshot_flag

    true

  • screenshot_folder

    Screenshots

  • screenshot_path

    %WinDir%\System32

  • screenshot_time

    15

  • startup_value

    

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target
      21bf6214be02533e05fd0801fc941d86981f7d3dc94852c118f51654d1e98fea.bin
    • Size 513KB
    • SHA256 21bf6214be02533e05fd0801fc941d86981f7d3dc94852c118f51654d1e98fea
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    remcosremotehostdiscoveryremcospersistenceratsuricata

    • Family: Remcos

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

      ratremcos

    • Suricata alert: REMCOS RAT Malware Outbound C2 Communication

      Network activity triggered a Suricata alert

      suricataremcos

    • Checks computer location settings

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

    • Executes dropped EXE

    • Adds Run key to start application

      persistence

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks