Analysis

  • max time kernel
    900s
  • max time network
    357s
  • 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, 01:00

General

  • Target
    setup2.exe
  • Size 22KB
  • Sample260707-bc5pmsey9w
  • SHA256 115c2ea4527ddb51e67d0a2a84c62912577f1fe6ee75c4937a0f772f1bd03460
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

  • 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.

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:1892
    • 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:3068
    • C:\Users\Admin\AppData\Roaming\WindowsHelper\whelper.exe
      "C:\Users\Admin\AppData\Roaming\WindowsHelper\whelper.exe"
      2⤵
      • Executes dropped EXE
      PID:5948
  • C:\Users\Admin\AppData\Roaming\WindowsHelper\whelper.exe
    C:\Users\Admin\AppData\Roaming\WindowsHelper\whelper.exe
    1⤵
    • Executes dropped EXE
    PID:5604
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k GPSvcGroup
    1⤵
      PID:4056
    • C:\Windows\System32\SecurityHealthHost.exe
      \\?\C:\Windows\System32\SecurityHealthHost.exe {08728914-3F57-4D52-9E31-49DAECA5A80A} -Embedding
      1⤵
        PID:3296

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

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            Downloads

            whelper.exe

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

            memory/1892-19-0x00007FF6ED440000-0x00007FF6ED44D000-memory.dmp

            memory/5604-7-0x00007FF7DE980000-0x00007FF7DE98D000-memory.dmp

            memory/5948-20-0x00007FF7DE980000-0x00007FF7DE98D000-memory.dmp