Analysis

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

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    25/08/2026, 03:05

General

  • Target
    eftertragtelsens.ps1
  • Size 51KB
  • Sample260825-dk69jsfg47
  • SHA256 465e4fa59cb46acbaf0942200d1e5dcf6ab258cc198561751f4faea56e9bcfcb
  • 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 44 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\eftertragtelsens.ps1
    1⤵
    • Command and Scripting Interpreter: PowerShell
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:2232
  • 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:4552
  • 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:2552
  • 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:1836

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        AppCache134321007265994985.txt

        • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search_cw5n1h2txyewy\LocalState\DeviceSearchCache\AppCache134321007265994985.txt
        • Size 88KB
        • SHA256 3236787057b0acb63c10b5accb94965009403f4cfa90662a86b816c77dd8b654
        • MD5 SHA1 SHA512 SSDEEP TLSH

        __PSScriptPolicyTest_0qn4babp.ptd.ps1

        • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_0qn4babp.ptd.ps1
        • Size 60B
        • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
        • MD5 SHA1 SHA512 TLSH

        memory/2232-15-0x00000206FC330000-0x00000206FC340000-memory.dmp

        memory/2232-16-0x00000206E3C10000-0x00000206E3C12000-memory.dmp

        memory/2232-10-0x00000206FC330000-0x00000206FC340000-memory.dmp

        memory/2232-11-0x00000206FC330000-0x00000206FC340000-memory.dmp

        memory/2232-12-0x00000206E3DA0000-0x00000206E3DCA000-memory.dmp

        memory/2232-13-0x00000206E3DA0000-0x00000206E3DC4000-memory.dmp

        memory/2232-1-0x00000206FC330000-0x00000206FC340000-memory.dmp

        memory/2232-9-0x00000206E3D30000-0x00000206E3D52000-memory.dmp

        memory/2232-0-0x00000206FC330000-0x00000206FC340000-memory.dmp

        memory/2552-83-0x000001FECF940000-0x000001FECF960000-memory.dmp

        memory/2552-56-0x000001FECED60000-0x000001FECEE60000-memory.dmp

        memory/2552-61-0x000001FECF980000-0x000001FECF9A0000-memory.dmp

        memory/2552-58-0x000001FECED60000-0x000001FECEE60000-memory.dmp

        memory/2552-92-0x000001FECFD50000-0x000001FECFD70000-memory.dmp

        memory/4552-23-0x0000000002DF0000-0x0000000002E00000-memory.dmp

        memory/4552-35-0x0000000002DF0000-0x0000000002E00000-memory.dmp

        memory/4552-28-0x0000000002DF0000-0x0000000002E00000-memory.dmp

        memory/4552-27-0x0000000002DF0000-0x0000000002E00000-memory.dmp

        memory/4552-26-0x0000000002DF0000-0x0000000002E00000-memory.dmp

        memory/4552-24-0x0000000002DF0000-0x0000000002E00000-memory.dmp

        memory/4552-32-0x0000000002DF0000-0x0000000002E00000-memory.dmp

        memory/4552-33-0x0000000002DF0000-0x0000000002E00000-memory.dmp

        memory/4552-34-0x0000000002DF0000-0x0000000002E00000-memory.dmp

        memory/4552-25-0x0000000002DF0000-0x0000000002E00000-memory.dmp

        memory/4552-21-0x0000000002DF0000-0x0000000002E00000-memory.dmp

        memory/4552-20-0x0000000002DF0000-0x0000000002E00000-memory.dmp

        memory/4552-62-0x00000000045B0000-0x00000000045B1000-memory.dmp

        memory/4552-22-0x0000000002DF0000-0x0000000002E00000-memory.dmp

        memory/4552-19-0x0000000002DF0000-0x0000000002E00000-memory.dmp

        memory/4552-18-0x0000000002DF0000-0x0000000002E00000-memory.dmp

        memory/4552-17-0x0000000002DF0000-0x0000000002E00000-memory.dmp