Overview

overview

10

Static

static

3

081a30496d...a3.exe

windows10-2004-x64

10

081a30496d...a3.exe

windows11-21h2-x64

10

Sharing

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General

  • Target
    081a30496d35fc471cd6e333bbf116f016fd3b9984a17f6d479dceb7c8ce0ca3.exe
  • Size 749KB
  • Sample260205-s2qqfsbs3c
  • SHA256 081a30496d35fc471cd6e333bbf116f016fd3b9984a17f6d479dceb7c8ce0ca3
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
remcos3-serversdiscoveryexecutionrat

Malware Config

Extracted

Family

  • remcos

Version

  • 1.7 Pro

Botnet

  • 3-servers

C2

  • 185.156.174.155:42830

  • 146.70.76.35:42830

  • 185.216.35.150:42830

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

    false

  • install_flag

    false

  • install_path

    %AppData%

  • keylog_crypt

    false

  • keylog_file

    3ssss.dat

  • keylog_flag

    false

  • keylog_folder

    3s

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    remcos_vrmgfobijw

  • 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
      081a30496d35fc471cd6e333bbf116f016fd3b9984a17f6d479dceb7c8ce0ca3.exe
    • Size 749KB
    • SHA256 081a30496d35fc471cd6e333bbf116f016fd3b9984a17f6d479dceb7c8ce0ca3
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    3-serversdiscoveryexecutionremcosrat

    • 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.

    • Drops startup file

    • SmartAssembly .NET packer

      Detects SmartAssembly .NET packer.

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks