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
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-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
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 54 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 45 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\Skrifttegns143.ps1
    1⤵
    • Command and Scripting Interpreter: PowerShell
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:4336
  • 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:1616
  • 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:3372
  • 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:3172

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        AppCache134308631465828553.txt
        • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search_cw5n1h2txyewy\LocalState\DeviceSearchCache\AppCache134308631465828553.txt
        • Size 87KB
        • SHA256 5d70ba62000ff6968e426ef67bfa925aa1d6295cee1cc08dbedaab613a5f10f6
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        __PSScriptPolicyTest_wirkow4w.ipe.ps1
        • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_wirkow4w.ipe.ps1
        • Size 60B
        • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        memory/1616-32-0x0000000004A60000-0x0000000004A61000-memory.dmp
        Download

        memory/3372-69-0x000002B3A71F0000-0x000002B3A7210000-memory.dmp
        Download

        memory/3372-50-0x000002B3A6BE0000-0x000002B3A6C00000-memory.dmp
        Download

        memory/3372-38-0x000002B3A6E20000-0x000002B3A6E40000-memory.dmp
        Download

        memory/3372-35-0x000002B3A6200000-0x000002B3A6300000-memory.dmp
        Download

        memory/3372-34-0x000002B3A6200000-0x000002B3A6300000-memory.dmp
        Download

        memory/4336-10-0x00000172D90B0000-0x00000172D90C0000-memory.dmp
        Download

        memory/4336-15-0x00000172DB250000-0x00000172DB252000-memory.dmp
        Download

        memory/4336-14-0x00000172D90B0000-0x00000172D90C0000-memory.dmp
        Download

        memory/4336-12-0x00000172DBE90000-0x00000172DBEB4000-memory.dmp
        Download

        memory/4336-11-0x00000172DBE90000-0x00000172DBEBA000-memory.dmp
        Download

        memory/4336-0-0x00000172D90B0000-0x00000172D90C0000-memory.dmp
        Download

        memory/4336-9-0x00000172DB260000-0x00000172DB282000-memory.dmp
        Download

        memory/4336-1-0x00000172D90B0000-0x00000172D90C0000-memory.dmp
        Download