Overview

overview

8

Static

static

3

setup2.exe

windows11-ltsc_2024-x64

8

Analysis

  • user interaction
    yes
  • max time kernel
    149s
  • max time network
    133s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260706-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260706-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    07/07/2026, 01:02

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General

  • Target
    setup2.exe
  • Size 22KB
  • Sample260707-bdtc1aez21
  • SHA256 115c2ea4527ddb51e67d0a2a84c62912577f1fe6ee75c4937a0f772f1bd03460
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
8/10
adwareexecutionpersistencespyware

Malware Config

Signatures

  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 1 IoCs

    Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    persistence
  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Enumerates connected drives 3 TTPs 2 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Checks SCSI registry key(s) 3 TTPs 62 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
    adwarespyware
  • Modifies registry class 35 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

    persistenceexecution
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 32 IoCs
  • Suspicious use of FindShellTrayWindow 53 IoCs
  • Suspicious use of SendNotifyMessage 42 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

    persistence

Processes

  • C:\Users\Admin\AppData\Local\Temp\setup2.exe
    "C:\Users\Admin\AppData\Local\Temp\setup2.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:1692
    • C:\Windows\SYSTEM32\schtasks.exe
      schtasks /create /tn "WindowsHelperUpdate" /tr "C:\Users\Admin\AppData\Roaming\WindowsHelper\whelper.exe" /sc hourly /mo 1 /f
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:5476
  • C:\Users\Admin\AppData\Roaming\WindowsHelper\whelper.exe
    C:\Users\Admin\AppData\Roaming\WindowsHelper\whelper.exe
    1⤵
    • Executes dropped EXE
    PID:1240
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:5036
    • C:\Windows\explorer.exe
      explorer.exe /LOADSAVEDWINDOWS
      2⤵
      • Boot or Logon Autostart Execution: Active Setup
      • Enumerates connected drives
      • Checks SCSI registry key(s)
      • Modifies Internet Explorer settings
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      PID:3172
  • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
    "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
    1⤵
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:5708
  • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe
    "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe" -ServerName:CortanaUI.AppXstmwaab17q5s3y22tp6apqz7a45vwv65.mca
    1⤵
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:4644

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        prep_Activatable Class_Hermes_perf.cache
        • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\TempState\prep_Activatable Class_Hermes_perf.cache
        • Size 607B
        • SHA256 be6b74e52e5eef1f1c27c0976bf3bf1bfa99958c00bbef2898a602f691be6dae
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        whelper.exe
        • Path C:\Users\Admin\AppData\Roaming\WindowsHelper\whelper.exe
        • Size 22KB
        • SHA256 115c2ea4527ddb51e67d0a2a84c62912577f1fe6ee75c4937a0f772f1bd03460
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/1240-7-0x00007FF7B3990000-0x00007FF7B399D000-memory.dmp
        Download

        memory/1692-8-0x00007FF6B9230000-0x00007FF6B923D000-memory.dmp
        Download

        memory/4644-12-0x0000020A80150000-0x0000020A80250000-memory.dmp
        Download

        memory/4644-43-0x0000020A819C0000-0x0000020A819E0000-memory.dmp
        Download

        memory/4644-75-0x0000020A945E0000-0x0000020A94600000-memory.dmp
        Download

        memory/4644-45-0x0000020A81E70000-0x0000020A81F70000-memory.dmp
        Download

        memory/4644-53-0x0000020A81B20000-0x0000020A81B40000-memory.dmp
        Download