Analysis

  • max time kernel
    149s
  • max time network
    135s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    01/08/2026, 10:17

General

  • Target
    Oversaetteren.ps1
  • Size 51KB
  • Sample260801-mbvntssdrd
  • SHA256 f6987c9debd36048de71534bf679238c8af3d19cc0c9e9eb40146ca7cda9b91c
  • 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.

  • Enumerates connected drives 3 TTPs 2 IoCs

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

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Using powershell.exe command.

  • Checks SCSI registry key(s) 3 TTPs 58 IoCs

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

  • Modifies registry class 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 46 IoCs
  • Suspicious use of SetWindowsHookEx 4 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:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\Oversaetteren.ps1
    1⤵
    • Command and Scripting Interpreter: PowerShell
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:1288
  • C:\Windows\explorer.exe
    explorer.exe
    1⤵
    • Boot or Logon Autostart Execution: Active Setup
    • Enumerates connected drives
    • Checks SCSI registry key(s)
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of SetWindowsHookEx
    PID:5392
  • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
    "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
    1⤵
    • Suspicious use of SetWindowsHookEx
    PID:3992
  • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
    "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
    1⤵
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:876

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        Microsoft_AutoGenerated_{2F519BF2-C697-59F8-8F6A-1E19509CE66B}

        • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search_cw5n1h2txyewy\LocalState\AppIconCache\100\Microsoft_AutoGenerated_{2F519BF2-C697-59F8-8F6A-1E19509CE66B}
        • Size 36KB
        • SHA256 813c66ce7dec4cff9c55fb6f809eab909421e37f69ff30e4acaa502365a32bd1
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Microsoft_Windows_ControlPanel

        • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search_cw5n1h2txyewy\LocalState\AppIconCache\100\Microsoft_Windows_ControlPanel
        • Size 36KB
        • SHA256 1649ec9493be27f76ae7304927d383f8a53dd3e41ea1678bacaff33120ea4170
        • MD5 SHA1 SHA512 SSDEEP TLSH

        __PSScriptPolicyTest_yuh5nr1u.c4z.ps1

        • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_yuh5nr1u.c4z.ps1
        • Size 60B
        • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
        • MD5 SHA1 SHA512 TLSH

        memory/876-27-0x0000028E0E300000-0x0000028E0E400000-memory.dmp

        memory/876-31-0x0000028E0F230000-0x0000028E0F250000-memory.dmp

        memory/876-57-0x0000028E0F600000-0x0000028E0F620000-memory.dmp

        memory/876-43-0x0000028E0F1F0000-0x0000028E0F210000-memory.dmp

        memory/876-26-0x0000028E0E300000-0x0000028E0E400000-memory.dmp

        memory/1288-10-0x000001D4C8F20000-0x000001D4C8F30000-memory.dmp

        memory/1288-16-0x000001D4C9D80000-0x000001D4C9D82000-memory.dmp

        memory/1288-15-0x000001D4C8F20000-0x000001D4C8F30000-memory.dmp

        memory/1288-13-0x000001D4C9D60000-0x000001D4C9D84000-memory.dmp

        memory/1288-12-0x000001D4C9D60000-0x000001D4C9D8A000-memory.dmp

        memory/1288-11-0x000001D4C8F20000-0x000001D4C8F30000-memory.dmp

        memory/1288-0-0x000001D4C8F20000-0x000001D4C8F30000-memory.dmp

        memory/1288-2-0x000001D4C9850000-0x000001D4C9872000-memory.dmp

        memory/1288-1-0x000001D4C8F20000-0x000001D4C8F30000-memory.dmp

        memory/5392-25-0x0000000004C90000-0x0000000004C91000-memory.dmp

        memory/5392-174-0x000000000A7D0000-0x000000000AAFD000-memory.dmp