Overview

overview

10

Static

static

1

5997f5719c...41.exe

windows7-x64

10

5997f5719c...41.exe

windows10-2004-x64

10

Sharing

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General

  • Target
    5997f5719c8272c35a0428f7cf2804f9eabb9e8260a9ed8f3e38807c8ba15a41.exe
  • Size 384KB
  • Sample240517-pdhhdsgh44
  • SHA256 5997f5719c8272c35a0428f7cf2804f9eabb9e8260a9ed8f3e38807c8ba15a41
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
guloaderremcosprotectedcollectiondownloaderexecutionpersistencerat

Malware Config

Extracted

Family

  • remcos

Botnet

  • Protected

C2

  • jgbours284hawara02.duckdns.org:3050

  • jgbours284hawara02.duckdns.org:3051

  • jgbours284hawara03.duckdns.org:3050

Attributes
  • audio_folder

    MicRecords

  • 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

    true

  • install_flag

    false

  • keylog_crypt

    false

  • keylog_file

    jiourhjs.dat

  • keylog_flag

    false

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    klpcourg-793VPF

  • 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
      5997f5719c8272c35a0428f7cf2804f9eabb9e8260a9ed8f3e38807c8ba15a41.exe
    • Size 384KB
    • SHA256 5997f5719c8272c35a0428f7cf2804f9eabb9e8260a9ed8f3e38807c8ba15a41
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    guloaderremcosprotecteddownloaderexecutionpersistenceratcollection

    • Guloader,Cloudeye

      A shellcode based downloader first seen in 2020.

      downloaderguloader

    • Remcos

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

      ratremcos

    • NirSoft MailPassView

      Password recovery tool for various email clients

    • NirSoft WebBrowserPassView

      Password recovery tool for various web browsers

    • Nirsoft

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

      execution

    • Accesses Microsoft Outlook accounts

      collection

    • Adds Run key to start application

      persistence

    • Drops file in System32 directory

    • Suspicious use of NtCreateThreadExHideFromDebugger

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks