Overview

overview

10

Static

static

3

4A9440BAA6...AD.exe

windows7-x64

10

4A9440BAA6...AD.exe

windows10-2004-x64

10

Sharing

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General

  • Target
    4A9440BAA61BE8363A372B0BBC5933AD.exe
  • Size 962KB
  • Sample250104-v9edha1rap
  • SHA256 51c0bcbc40451c10e3b56df10853156378e8dbfb32ee63ea936737d42818822c
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
remcosgraiasdiscoveryexecutionpersistencerat

Malware Config

Extracted

Family

  • remcos

Botnet

  • Graias

C2

  • 185.234.72.215:4444

Attributes
  • audio_folder

    MicRecords

  • audio_path

    ApplicationPath

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    graias.exe

  • copy_folder

    Graias

  • delete_file

    false

  • hide_file

    true

  • hide_keylog_file

    true

  • install_flag

    true

  • install_path

    %AppData%

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    graias

  • mouse_option

    false

  • mutex

    Rmc-O844B9

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target
      4A9440BAA61BE8363A372B0BBC5933AD.exe
    • Size 962KB
    • SHA256 51c0bcbc40451c10e3b56df10853156378e8dbfb32ee63ea936737d42818822c
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    remcosgraiasdiscoveryexecutionpersistencerat

    • Remcos

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

      ratremcos

    • Remcos family

      remcos

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

      execution

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks