Overview

overview

8

Static

static

3

YourHappyP...lp.dll

windows10-2004-x64

1

YourHappyP...64.dll

windows10-2004-x64

1

YourHappyP...64.dll

windows11-ltsc_2024-x64

1

YourHappyP...64.dll

windows10-2004-x64

1

YourHappyP...64.dll

windows11-ltsc_2024-x64

1

YourHappyP...64.dll

windows10-2004-x64

1

YourHappyP...64.dll

windows11-ltsc_2024-x64

1

YourHappyP...64.dll

windows10-2004-x64

1

YourHappyP...64.dll

windows11-ltsc_2024-x64

1

YourHappyP...me.dll

windows10-2004-x64

1

YourHappyP...st.dll

windows10-2004-x64

1

YourHappyP...st.dll

windows11-ltsc_2024-x64

8

YourHappyP...64.exe

windows10-2004-x64

7

YourHappyP...64.exe

windows11-ltsc_2024-x64

8

YourHappyP...re.dll

windows10-2004-x64

1

YourHappyP...re.dll

windows11-ltsc_2024-x64

1

YourHappyP...rs.dll

windows10-2004-x64

1

YourHappyP...rs.dll

windows11-ltsc_2024-x64

8

YourHappyP...se.dll

windows10-2004-x64

1

YourHappyP...se.dll

windows11-ltsc_2024-x64

8

YourHappyP...al.exe

windows10-2004-x64

1

YourHappyP...al.exe

windows11-ltsc_2024-x64

8

YourHappyP...70.dll

windows10-2004-x64

1

YourHappyP...70.dll

windows11-ltsc_2024-x64

1

YourHappyP...70.dll

windows10-2004-x64

1

YourHappyP...70.dll

windows11-ltsc_2024-x64

1

YourHappyP...70.dll

windows10-2004-x64

1

YourHappyP...70.dll

windows11-ltsc_2024-x64

6

YourHappyP...70.dll

windows10-2004-x64

1

YourHappyP...70.dll

windows11-ltsc_2024-x64

1

YourHappyP...70.dll

windows10-2004-x64

1

YourHappyP...70.dll

windows11-ltsc_2024-x64

1

Analysis

  • user interaction
    yes
  • max time kernel
    409s
  • max time network
    481s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    25/08/2026, 02:34

Sharing

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General

  • Target
    YourHappyPlace/Windows/Engine/Extras/Redist/en-us/UEPrereqSetup_x64.exe
  • Size 48.0MB
  • Sample260825-c2wnpsej2s
  • SHA256 1a74ec10fb15d36472ad2267e297c84431ab376bda01b8326df77ba540b9cabc
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
8/10
adwarediscoverypersistencespyware

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
  • Loads dropped DLL 1 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

    discovery
  • Enumerates connected drives 3 TTPs 2 IoCs

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

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    discovery
  • Checks SCSI registry key(s) 3 TTPs 64 IoCs

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

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
    adwarespyware
  • Modifies registry class 39 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 51 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 3 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\YourHappyPlace\Windows\Engine\Extras\Redist\en-us\UEPrereqSetup_x64.exe
    "C:\Users\Admin\AppData\Local\Temp\YourHappyPlace\Windows\Engine\Extras\Redist\en-us\UEPrereqSetup_x64.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2664
    • C:\Users\Admin\AppData\Local\Temp\YourHappyPlace\Windows\Engine\Extras\Redist\en-us\UEPrereqSetup_x64.exe
      "C:\Users\Admin\AppData\Local\Temp\YourHappyPlace\Windows\Engine\Extras\Redist\en-us\UEPrereqSetup_x64.exe" -burn.unelevated BurnPipe.{3C264FFB-4D52-43F5-8797-23CBD35B0D98} {10F4DF81-EA0D-4DCB-A45A-E86991C4C1FA} 2664
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      PID:6012
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k GPSvcGroup
    1⤵
      PID:2560
    • C:\Windows\System32\rundll32.exe
      C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
      1⤵
        PID:5048
      • C:\Windows\system32\sihost.exe
        sihost.exe
        1⤵
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of WriteProcessMemory
        PID:1484
        • 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
          • Suspicious use of WriteProcessMemory
          PID:4372
          • C:\Windows\system32\taskmgr.exe
            "C:\Windows\system32\taskmgr.exe" /4
            3⤵
            • Checks SCSI registry key(s)
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of FindShellTrayWindow
            • Suspicious use of SetWindowsHookEx
            PID:3844
      • 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:1320
      • 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:5032

      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 599B
            • SHA256 b536a3dae9ea5c69081f0491eed829e3b57e32401fdf49a63031bcd6b20e6fdb
            • MD5 SHA1 SHA512 TLSH
            Submit Download

            Banner.bmp
            • Path C:\Users\Admin\AppData\Local\Temp\{aad8a4b2-74da-409d-abb6-79a299008692}\.ba1\Banner.bmp
            • Size 123KB
            • SHA256 b76bbf9f7b8da4ca886f3b97d7db00ab1d38a9bb3b9567f4e1c3e30203098add
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            LogoSide.png
            • Path C:\Users\Admin\AppData\Local\Temp\{aad8a4b2-74da-409d-abb6-79a299008692}\.ba1\LogoSide.png
            • Size 6KB
            • SHA256 988c657d1cc77aceb4804c5217bf756eaa2b4defcb4d03f47aea83ccda3d3672
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            wixstdba.dll
            • Path C:\Users\Admin\AppData\Local\Temp\{aad8a4b2-74da-409d-abb6-79a299008692}\.ba1\wixstdba.dll
            • Size 135KB
            • SHA256 97f1901e7c928b9231e503cd3a1315f0d8449356b9f25e7eb4c2cebeee72012a
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            memory/3844-243-0x000002017E600000-0x000002017E601000-memory.dmp
            Download

            memory/3844-261-0x000002017E350000-0x000002017E5C5000-memory.dmp
            Download

            memory/3844-246-0x000002017E600000-0x000002017E601000-memory.dmp
            Download

            memory/3844-244-0x000002017E600000-0x000002017E601000-memory.dmp
            Download

            memory/3844-245-0x000002017E600000-0x000002017E601000-memory.dmp
            Download

            memory/3844-238-0x000002017E600000-0x000002017E601000-memory.dmp
            Download

            memory/3844-236-0x000002017E600000-0x000002017E601000-memory.dmp
            Download

            memory/3844-242-0x000002017E600000-0x000002017E601000-memory.dmp
            Download

            memory/3844-247-0x000002017E600000-0x000002017E601000-memory.dmp
            Download

            memory/5032-67-0x000001F0A7AA0000-0x000001F0A7BA0000-memory.dmp
            Download

            memory/5032-79-0x000001F083360000-0x000001F083380000-memory.dmp
            Download

            memory/5032-80-0x000001F0937B0000-0x000001F0938B0000-memory.dmp
            Download

            memory/5032-111-0x000001F093B30000-0x000001F093B50000-memory.dmp
            Download

            memory/5032-97-0x000001F0835B0000-0x000001F0835D0000-memory.dmp
            Download