Analysis

  • user interaction
    yes
  • max time kernel
    122s
  • max time network
    151s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260629-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    05/07/2026, 19:02

General

  • Target
    Gupooufte.exe
  • Size 321KB
  • Sample260705-xp4trse18w
  • SHA256 67d03879ace8e3d1431097545d18e8ebc89b170d73f68e3088859c4fc68765b0
  • MD5 SHA1 SHA512 SSDEEP TLSH

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.

  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • 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 1 IoCs

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

  • 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
  • Modifies registry class 39 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 29 IoCs
  • Suspicious use of FindShellTrayWindow 54 IoCs
  • Suspicious use of SendNotifyMessage 40 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 1 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.

  • Uses Volume Shadow Copy WMI provider

    The Volume Shadow Copy service is used to manage backups/snapshots.

  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

Processes

  • C:\Users\Admin\AppData\Local\Temp\Gupooufte.exe
    "C:\Users\Admin\AppData\Local\Temp\Gupooufte.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:456
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:1724
    • 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 use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      PID:3904
  • 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:4292
  • 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:2940

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        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

        TmpEB26.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\TmpEB26.tmp
        • Size 2KB
        • SHA256 8d1be47e1dba2c2bde2c9ccd91c78f6f8f956bb15c05c4e76ee6909b2e7e0a08
        • MD5 SHA1 SHA512 TLSH

        memory/456-19-0x0000000006940000-0x0000000006EFA000-memory.dmp

        memory/456-1-0x0000000000960000-0x00000000009B4000-memory.dmp

        memory/456-4-0x0000000074FD0000-0x000000007578C000-memory.dmp

        memory/456-2-0x0000000002DC0000-0x0000000002DD8000-memory.dmp

        memory/456-15-0x0000000005AB0000-0x0000000005B16000-memory.dmp

        memory/456-16-0x0000000074FE2000-0x0000000074FE3000-memory.dmp

        memory/456-17-0x0000000074FD0000-0x000000007578C000-memory.dmp

        memory/456-18-0x00000000062E0000-0x0000000006372000-memory.dmp

        memory/456-0-0x0000000074FE2000-0x0000000074FE3000-memory.dmp

        memory/456-3-0x0000000005470000-0x00000000054BC000-memory.dmp

        memory/2940-212-0x0000024422000000-0x000002442229E000-memory.dmp

        memory/4292-42-0x0000028E001E0000-0x0000028E002E0000-memory.dmp

        memory/4292-86-0x000002961D790000-0x000002961D7B0000-memory.dmp

        memory/4292-54-0x000002961D390000-0x000002961D490000-memory.dmp

        memory/4292-64-0x000002960D270000-0x000002960D290000-memory.dmp

        memory/4292-52-0x000002960AF30000-0x000002960AF50000-memory.dmp

        memory/4292-41-0x0000028E001E0000-0x0000028E002E0000-memory.dmp

        memory/4292-40-0x0000028E001E0000-0x0000028E002E0000-memory.dmp

        memory/4292-211-0x00000296211E0000-0x000002962147E000-memory.dmp