Overview

overview

10

Static

static

3

ducksservices.exe

windows10-2004-x64

10

ducksservices.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    132s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    04/08/2026, 11:17

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General

  • Target
    ducksservices.exe
  • Size 16.8MB
  • Sample260804-nd5ggsydph
  • SHA256 46e58ffd23884400c4d1b6652c80cf957031e9d150f6499634f69af754401354
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
backdoorbootkitdefense_evasionexecutionbruteratelpersistenceransomware

Malware Config

Signatures

  • Family: Brute Ratel C4

    A customized command and control framework for red teaming and adversary simulation.

    backdoorbruteratel
  • Clears Windows event logs 1 TTPs 2 IoCs
    defense_evasionransomware
  • Executes dropped EXE 1 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Using powershell.exe command.

    execution
  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

    bootkitpersistence
  • Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
  • Executes a command shell one-liner 1 TTPs 3 IoCs

    Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

    execution
  • Modifies data under HKEY_USERS 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 1 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ducksservices.exe
    "C:\Users\Admin\AppData\Local\Temp\ducksservices.exe"
    1⤵
    • Suspicious use of NtCreateThreadExHideFromDebugger
    • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
    • Suspicious behavior: RenamesItself
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4580
    • C:\Users\Admin\AppData\Local\Temp\ducksservices.exe
      "C:\Users\Admin\AppData\Local\Temp\ducksservices.exe"
      2⤵
      • Executes dropped EXE
      • Writes to the Master Boot Record (MBR)
      • Modifies data under HKEY_USERS
      • Suspicious use of WriteProcessMemory
      PID:4064
      • C:\Windows\System32\cmd.exe
        "C:\Windows\System32\cmd.exe" /c powershell.exe -NoProfile -ExecutionPolicy Bypass -Command ^"^& { $encoded = 'QXBwIGluaXRpYWxpemF0aW9uIGVycm9yIDB4MTAz'; $text = [System.Text.Encoding]::UTF8.GetString([Convert]::FromBase64String($encoded)); $text = $text.Replace('\n', [Environment]::NewLine); Add-Type -AssemblyName PresentationFramework; [System.Windows.MessageBox]::Show($text, 'DucksServices', 'OK', 'Error', 'None', 'DefaultDesktopOnly') }^"
        3⤵
        • Executes a command shell one-liner
        • Suspicious use of WriteProcessMemory
        PID:1932
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          powershell.exe -NoProfile -ExecutionPolicy Bypass -Command "& { $encoded = 'QXBwIGluaXRpYWxpemF0aW9uIGVycm9yIDB4MTAz'; $text = [System.Text.Encoding]::UTF8.GetString([Convert]::FromBase64String($encoded)); $text = $text.Replace('\n', [Environment]::NewLine); Add-Type -AssemblyName PresentationFramework; [System.Windows.MessageBox]::Show($text, 'DucksServices', 'OK', 'Error', 'None', 'DefaultDesktopOnly') }"
          4⤵
          • Command and Scripting Interpreter: PowerShell
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:4608
      • C:\Windows\System32\cmd.exe
        "C:\Windows\System32\cmd.exe" /c wevtutil cl "Windows PowerShell"
        3⤵
        • Executes a command shell one-liner
        • Suspicious use of WriteProcessMemory
        PID:4916
        • C:\Windows\system32\wevtutil.exe
          wevtutil cl "Windows PowerShell"
          4⤵
          • Clears Windows event logs
          • Suspicious use of AdjustPrivilegeToken
          PID:264
      • C:\Windows\System32\cmd.exe
        "C:\Windows\System32\cmd.exe" /c wevtutil cl "Microsoft-Windows-PowerShell/Operational"
        3⤵
        • Executes a command shell one-liner
        • Suspicious use of WriteProcessMemory
        PID:3964
        • C:\Windows\system32\wevtutil.exe
          wevtutil cl "Microsoft-Windows-PowerShell/Operational"
          4⤵
          • Clears Windows event logs
          • Suspicious use of AdjustPrivilegeToken
          PID:5092

Network

        MITRE ATT&CK Enterprise v16

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        Downloads

        ducksservices.exe
        • Path C:\Users\Admin\AppData\Local\Temp\ducksservices.exe
        • Size 16.8MB
        • SHA256 61572a2993e39d5d3eb4e23a314de02eb713b09cb7ebea40b37bfc56be630d7e
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        ducksservices.exe
        • Path C:\Users\Admin\AppData\Local\Temp\ducksservices.exe
        • Size 16.8MB
        • SHA256 37c665aac56c0f1ca6e1ee6fc2255ca69259c213a3e67052b8d15911ed7642a2
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/4064-35-0x00007FF6E7C00000-0x00007FF6E9C1B000-memory.dmp
        Download

        memory/4064-79-0x00007FF6E7C00000-0x00007FF6E9C1B000-memory.dmp
        Download

        memory/4580-0-0x00007FF7682C0000-0x00007FF76A2DB000-memory.dmp
        Download

        memory/4580-34-0x00007FF7682C0000-0x00007FF76A2DB000-memory.dmp
        Download

        memory/4608-77-0x0000027E93190000-0x0000027E931B2000-memory.dmp
        Download