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
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    03/07/2026, 22:29

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General

  • Target
    eftertragtelsens.ps1
  • Size 51KB
  • Sample260703-2ejs3agz2v
  • SHA256 465e4fa59cb46acbaf0942200d1e5dcf6ab258cc198561751f4faea56e9bcfcb
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
8/10
executionpersistenceransomware

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 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.

    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:1652
  • 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:4840
  • 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:3140
  • 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:2284

Network

        MITRE ATT&CK Enterprise v16

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        Downloads

        __PSScriptPolicyTest_sdo3p51j.tml.ps1
        • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_sdo3p51j.tml.ps1
        • Size 60B
        • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        memory/1652-13-0x0000029267450000-0x0000029267460000-memory.dmp
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        memory/1652-15-0x00000292698D0000-0x0000029269A1E000-memory.dmp
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        memory/1652-9-0x0000029267450000-0x0000029267460000-memory.dmp
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        memory/1652-10-0x0000029269B90000-0x0000029269BBA000-memory.dmp
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        memory/1652-11-0x0000029269B90000-0x0000029269BB4000-memory.dmp
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        memory/1652-0-0x0000029267450000-0x0000029267460000-memory.dmp
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        memory/1652-14-0x0000029267440000-0x0000029267442000-memory.dmp
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        memory/1652-1-0x0000029267380000-0x00000292673A2000-memory.dmp
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        memory/2284-22-0x000002073D300000-0x000002073D400000-memory.dmp
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        memory/2284-23-0x000002073D300000-0x000002073D400000-memory.dmp
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        memory/2284-27-0x000002073E270000-0x000002073E290000-memory.dmp
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        memory/2284-56-0x000002073E230000-0x000002073E250000-memory.dmp
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        memory/2284-57-0x000002073E640000-0x000002073E660000-memory.dmp
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        memory/4840-21-0x0000000002A40000-0x0000000002A41000-memory.dmp
        Download