Overview

overview

10

Static

static

3

423dd6ea27...08.exe

windows10-2004-x64

10

423dd6ea27...08.exe

windows11-ltsc_2024-x64

6

eftertragtelsens.ps1

windows10-2004-x64

8

eftertragtelsens.ps1

windows11-ltsc_2024-x64

8

Analysis

  • max time kernel
    149s
  • max time network
    133s
  • 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, 03:05

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General

  • Target
    eftertragtelsens.ps1
  • Size 51KB
  • Sample260825-dk69jsfg47
  • SHA256 465e4fa59cb46acbaf0942200d1e5dcf6ab258cc198561751f4faea56e9bcfcb
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
8/10
adwareexecutionpersistenceransomwarespyware

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
  • 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.

    execution
  • 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
    adwarespyware
  • Modifies registry class 38 IoCs
  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 57 IoCs
  • Suspicious use of SendNotifyMessage 39 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.

    persistence
  • Uses Volume Shadow Copy WMI provider

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

    ransomware
  • Uses Volume Shadow Copy service COM API

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

    ransomware

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:1968
  • C:\Windows\system32\userinit.exe
    C:\Windows\system32\userinit.exe
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:5824
    • C:\Windows\Explorer.EXE
      C:\Windows\Explorer.EXE
      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:2936
  • 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:1652
  • 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:1884

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

        memory/1652-97-0x000002A194260000-0x000002A194280000-memory.dmp
        Download

        memory/1652-81-0x000002A181C40000-0x000002A181C60000-memory.dmp
        Download

        memory/1652-34-0x000002A1801E0000-0x000002A1802E0000-memory.dmp
        Download

        memory/1652-36-0x000002A1801E0000-0x000002A1802E0000-memory.dmp
        Download

        memory/1652-40-0x000002A181E20000-0x000002A181F20000-memory.dmp
        Download

        memory/1652-39-0x000002A181A00000-0x000002A181A20000-memory.dmp
        Download

        memory/1884-222-0x00000127CD440000-0x00000127CDAD1000-memory.dmp
        Download

        memory/1884-215-0x00000127CD440000-0x00000127CDAD1000-memory.dmp
        Download

        memory/1968-23-0x000001AB7B250000-0x000001AB7B25A000-memory.dmp
        Download

        memory/1968-28-0x00007FFB0B2A0000-0x00007FFB0BC44000-memory.dmp
        Download

        memory/1968-15-0x000001AB7B200000-0x000001AB7B20A000-memory.dmp
        Download

        memory/1968-16-0x000001AB7B260000-0x000001AB7B27C000-memory.dmp
        Download

        memory/1968-17-0x00007FFB0B2A0000-0x00007FFB0BC44000-memory.dmp
        Download

        memory/1968-18-0x00007FFB0B2A0000-0x00007FFB0BC44000-memory.dmp
        Download

        memory/1968-19-0x00007FFB0B2A0000-0x00007FFB0BC44000-memory.dmp
        Download

        memory/1968-20-0x00007FFB0B2A0000-0x00007FFB0BC44000-memory.dmp
        Download

        memory/1968-22-0x000001AB7B240000-0x000001AB7B246000-memory.dmp
        Download

        memory/1968-0-0x00007FFB0B42F000-0x00007FFB0B430000-memory.dmp
        Download

        memory/1968-24-0x00007FFB0B2A0000-0x00007FFB0BC44000-memory.dmp
        Download

        memory/1968-21-0x000001AB7B210000-0x000001AB7B218000-memory.dmp
        Download

        memory/1968-25-0x00007FFB0B2A0000-0x00007FFB0BC44000-memory.dmp
        Download

        memory/1968-26-0x00007FFB0B2A0000-0x00007FFB0BC44000-memory.dmp
        Download

        memory/1968-27-0x00007FFB0B2A0000-0x00007FFB0BC44000-memory.dmp
        Download

        memory/1968-14-0x000001AB7B220000-0x000001AB7B23E000-memory.dmp
        Download

        memory/1968-29-0x000001AB7B210000-0x000001AB7B23A000-memory.dmp
        Download

        memory/1968-30-0x000001AB7B210000-0x000001AB7B234000-memory.dmp
        Download

        memory/1968-31-0x00007FFB0B2A0000-0x00007FFB0BC44000-memory.dmp
        Download

        memory/1968-13-0x000001AB7AFC0000-0x000001AB7AFCA000-memory.dmp
        Download

        memory/1968-12-0x00007FFB0B2A0000-0x00007FFB0BC44000-memory.dmp
        Download

        memory/1968-11-0x000001AB7AFF0000-0x000001AB7B0A2000-memory.dmp
        Download

        memory/1968-10-0x000001AB7AFD0000-0x000001AB7AFEE000-memory.dmp
        Download

        memory/1968-7-0x00007FFB0B2A0000-0x00007FFB0BC44000-memory.dmp
        Download

        memory/1968-6-0x00007FFB0B2A0000-0x00007FFB0BC44000-memory.dmp
        Download

        memory/1968-5-0x00007FFB0B2A0000-0x00007FFB0BC44000-memory.dmp
        Download

        memory/1968-213-0x00007FFB0B2A0000-0x00007FFB0BC44000-memory.dmp
        Download

        memory/1968-4-0x00007FFB0B2A0000-0x00007FFB0BC44000-memory.dmp
        Download

        memory/1968-3-0x000001AB7AD10000-0x000001AB7AD32000-memory.dmp
        Download