Overview

overview

6

Static

static

1

Bypass-Adm...er.bat

windows10-2004-x64

3

Bypass-Adm...er.bat

windows11-ltsc_2024-x64

6

Analysis

  • user interaction
    yes
  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    16/08/2026, 17:13

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General

  • Target
    Bypass-Admin-Installer.bat
  • Size 2KB
  • Sample260816-vrprhssfnc
  • SHA256 d341c511f10e9bf1ea99157ea1fc0e2965e96849ca6693967296db6e2d54ca80
  • MD5 SHA1 SHA512 TLSH
Score
3/10
defense_evasionexecution

Malware Config

Signatures

  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Using powershell.exe command.

    execution
  • Executes a command shell one-liner 1 TTPs 2 IoCs

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

    execution
  • Delays execution with timeout.exe 1 IoCs
    defense_evasion
  • Modifies registry class 57 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\Bypass-Admin-Installer.bat"
    1⤵
    • Executes a command shell one-liner
    • Suspicious use of WriteProcessMemory
    PID:2504
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c powershell -NoProfile -Command "Add-Type -AssemblyName System.Windows.Forms; $FileBrowser = New-Object System.Windows.Forms.OpenFileDialog; $FileBrowser.Filter = 'EXE Files|*.exe'; $FileBrowser.Title = 'Select EXE Installer'; if ($FileBrowser.ShowDialog() -eq 'OK') { echo $FileBrowser.FileName }"
      2⤵
      • Executes a command shell one-liner
      • Suspicious use of WriteProcessMemory
      PID:2516
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        powershell -NoProfile -Command "Add-Type -AssemblyName System.Windows.Forms; $FileBrowser = New-Object System.Windows.Forms.OpenFileDialog; $FileBrowser.Filter = 'EXE Files|*.exe'; $FileBrowser.Title = 'Select EXE Installer'; if ($FileBrowser.ShowDialog() -eq 'OK') { echo $FileBrowser.FileName }"
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Modifies registry class
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:828
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -NoProfile -Command "try { if ((Get-AuthenticodeSignature -LiteralPath 'C:\Users\Admin\Downloads\AssertResolve.exe').Status -ne 'Valid') { exit 1 } } catch { exit 1 }"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3572
    • C:\Windows\system32\choice.exe
      choice /c YN /m "Proceed anyway (Y/N)?"
      2⤵
        PID:2092
      • C:\Windows\system32\timeout.exe
        timeout /t 5
        2⤵
        • Delays execution with timeout.exe
        PID:4976

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          powershell.exe.log
          • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
          • Size 3KB
          • SHA256 021636a793f57f23b16356c5b84fdf0122fdcadfaba305e4df4654bfbfa442bd
          • MD5 SHA1 SHA512 TLSH
          Submit Download

          StartupProfileData-NonInteractive
          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 1KB
          • SHA256 e0ca7eca666c5eb15be846f26c808d5325ae0b6bfb003fa573409f8985bc20a5
          • MD5 SHA1 SHA512 TLSH
          Submit Download

          __PSScriptPolicyTest_v21r44n5.b12.ps1
          • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_v21r44n5.b12.ps1
          • Size 60B
          • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
          • MD5 SHA1 SHA512 TLSH
          Submit Download

          memory/828-1-0x000001F073920000-0x000001F073930000-memory.dmp
          Download

          memory/828-0-0x000001F073920000-0x000001F073930000-memory.dmp
          Download

          memory/828-2-0x000001F05B5D0000-0x000001F05B5F2000-memory.dmp
          Download

          memory/828-10-0x000001F073920000-0x000001F073930000-memory.dmp
          Download

          memory/828-13-0x000001F0759A0000-0x000001F075BBC000-memory.dmp
          Download

          memory/3572-24-0x0000021C9E050000-0x0000021C9E26C000-memory.dmp
          Download