Overview

overview

8

Static

static

3

25a3b3bc50...91.exe

windows10-2004-x64

7

25a3b3bc50...91.exe

windows11-ltsc_2024-x64

6

Skrifttegns143.ps1

windows10-2004-x64

8

Skrifttegns143.ps1

windows11-ltsc_2024-x64

8

Analysis

  • max time kernel
    149s
  • max time network
    154s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    10/08/2026, 19:18

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General

  • Target
    Skrifttegns143.ps1
  • Size 52KB
  • Sample260810-x1bblafq2x
  • SHA256 0e2052647e5ab82c8df387691bb6871294de498cb89a88ce1d5b42f02a49289a
  • 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 40 IoCs
  • Suspicious behavior: EnumeratesProcesses 11 IoCs
  • Suspicious use of AdjustPrivilegeToken 62 IoCs
  • Suspicious use of FindShellTrayWindow 58 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\Skrifttegns143.ps1
    1⤵
    • Command and Scripting Interpreter: PowerShell
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:4144
  • C:\Windows\system32\userinit.exe
    C:\Windows\system32\userinit.exe
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1172
    • 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:2740
  • 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:4860
  • 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:4660

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 595B
        • SHA256 d4e60617c2afab8263febabe7f14f18595715078d71307a8cefe0707dae76dee
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        memory/4144-22-0x00007FFB35AA0000-0x00007FFB36444000-memory.dmp
        Download

        memory/4144-24-0x00007FFB35AA0000-0x00007FFB36444000-memory.dmp
        Download

        memory/4144-5-0x00007FFB35AA0000-0x00007FFB36444000-memory.dmp
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        memory/4144-6-0x00007FFB35AA0000-0x00007FFB36444000-memory.dmp
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        memory/4144-7-0x00007FFB35AA0000-0x00007FFB36444000-memory.dmp
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        memory/4144-10-0x0000016674470000-0x000001667448E000-memory.dmp
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        memory/4144-11-0x00000166746B0000-0x0000016674762000-memory.dmp
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        memory/4144-12-0x0000016674490000-0x000001667449A000-memory.dmp
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        memory/4144-13-0x00000166748E0000-0x00000166748FE000-memory.dmp
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        memory/4144-25-0x00007FFB35AA0000-0x00007FFB36444000-memory.dmp
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        memory/4144-16-0x0000016674920000-0x000001667493C000-memory.dmp
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        memory/4144-15-0x00007FFB35AA0000-0x00007FFB36444000-memory.dmp
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        memory/4144-17-0x00007FFB35AA0000-0x00007FFB36444000-memory.dmp
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        memory/4144-18-0x00000166748D0000-0x00000166748D8000-memory.dmp
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        memory/4144-19-0x0000016674900000-0x0000016674906000-memory.dmp
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        memory/4144-20-0x0000016674910000-0x000001667491A000-memory.dmp
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        memory/4144-21-0x00007FFB35AA0000-0x00007FFB36444000-memory.dmp
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        memory/4144-0-0x00007FFB35C2F000-0x00007FFB35C30000-memory.dmp
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        memory/4144-1-0x00000166743E0000-0x0000016674402000-memory.dmp
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        memory/4144-23-0x00007FFB35AA0000-0x00007FFB36444000-memory.dmp
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        memory/4144-14-0x00000166748C0000-0x00000166748CA000-memory.dmp
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        memory/4144-26-0x00007FFB35AA0000-0x00007FFB36444000-memory.dmp
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        memory/4144-27-0x00007FFB35AA0000-0x00007FFB36444000-memory.dmp
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        memory/4144-29-0x00000166748D0000-0x00000166748F4000-memory.dmp
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        memory/4144-28-0x00000166748D0000-0x00000166748FA000-memory.dmp
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        memory/4144-30-0x00007FFB35AA0000-0x00007FFB36444000-memory.dmp
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        memory/4144-31-0x00007FFB35AA0000-0x00007FFB36444000-memory.dmp
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        memory/4144-32-0x00007FFB35AA0000-0x00007FFB36444000-memory.dmp
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        memory/4144-33-0x00007FFB35AA0000-0x00007FFB36444000-memory.dmp
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        memory/4144-34-0x00007FFB35AA0000-0x00007FFB36444000-memory.dmp
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        memory/4144-2-0x00007FFB35AA0000-0x00007FFB36444000-memory.dmp
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        memory/4144-211-0x00007FFB35AA0000-0x00007FFB36444000-memory.dmp
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        memory/4144-190-0x00007FFB35AA0000-0x00007FFB36444000-memory.dmp
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        memory/4860-85-0x000002AD64550000-0x000002AD64570000-memory.dmp
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        memory/4860-67-0x000002AD74990000-0x000002AD74A90000-memory.dmp
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        memory/4860-66-0x000002AD646B0000-0x000002AD646D0000-memory.dmp
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        memory/4860-99-0x000002AD74D90000-0x000002AD74DB0000-memory.dmp
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        memory/4860-51-0x000002A55F7F0000-0x000002A55F8F0000-memory.dmp
        Download