Overview

overview

10

Static

static

1

Update.vbs

windows10-2004-x64

10

Update.vbs

windows11-21h2-x64

8

Sharing

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General

  • Target
    Update.vbs
  • Size 3.4MB
  • Sample250618-hlrmpsysez
  • SHA256 c3ba98565b219c4fe9a0bc2a10e6a5624133d92e8eaed9ec0c5e3be7ba2951ee
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
remcostarrestaldodiscoveryexecutionrat

Malware Config

Extracted

Family

  • remcos

Botnet

  • TarRestaldo

C2

  • updatedrvier.duckdns.org:3001

Attributes
  • audio_folder

    MicRecords

  • audio_path

    ApplicationPath

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    remcos.exe

  • copy_folder

    Remcos

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    false

  • install_flag

    false

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-6H1JQF

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target
      Update.vbs
    • Size 3.4MB
    • SHA256 c3ba98565b219c4fe9a0bc2a10e6a5624133d92e8eaed9ec0c5e3be7ba2951ee
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    remcostarrestaldodiscoveryexecutionrat

    • Remcos

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

      ratremcos

    • Remcos family

      remcos

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

      execution

    • Checks computer location settings

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

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks