Overview

overview

8

Static

static

1

check_ver.xlsx

windows10-2004-x64

1

check_ver.xlsx

windows11-ltsc_2024-x64

8

Analysis

  • max time kernel
    118s
  • max time network
    138s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260617-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260617-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    20/06/2026, 12:14

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General

  • Target
    check_ver.xlsx
  • Size 29KB
  • Sample260620-pecnjaex6m
  • SHA256 5e2301065f9af25983c6552e71976fc3841cec6dfc28d2ada05419dbf78a434f
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
8/10
adwarepersistenceransomwarespyware

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.

  • Checks SCSI registry key(s) 3 TTPs 62 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
    adwarespyware
  • Modifies registry class 38 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 52 IoCs
  • Suspicious use of FindShellTrayWindow 55 IoCs
  • Suspicious use of SendNotifyMessage 43 IoCs
  • Suspicious use of SetWindowsHookEx 25 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:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
    "C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\check_ver.xlsx"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    PID:5128
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:4264
    • C:\Windows\explorer.exe
      explorer.exe /LOADSAVEDWINDOWS
      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:4284
  • 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:2824
  • 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:5552

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

        b8ab77100df80ab2.customDestinations-ms
        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\b8ab77100df80ab2.customDestinations-ms
        • Size 1KB
        • SHA256 db0406080781737a9ed2f74186702e9f2309dd5edaea12350f31f512fdcdf630
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        memory/2824-40-0x0000025A019E0000-0x0000025A01A00000-memory.dmp
        Download

        memory/2824-53-0x0000025A01C20000-0x0000025A01C40000-memory.dmp
        Download

        memory/2824-75-0x0000025A142A0000-0x0000025A142C0000-memory.dmp
        Download

        memory/2824-29-0x0000025A001E0000-0x0000025A002E0000-memory.dmp
        Download

        memory/2824-42-0x0000025A01DE0000-0x0000025A01EE0000-memory.dmp
        Download

        memory/2824-30-0x0000025A001E0000-0x0000025A002E0000-memory.dmp
        Download

        memory/2824-31-0x0000025A001E0000-0x0000025A002E0000-memory.dmp
        Download

        memory/4284-210-0x000000000B240000-0x000000000B49F000-memory.dmp
        Download

        memory/5128-10-0x00007FFE55EC0000-0x00007FFE56123000-memory.dmp
        Download

        memory/5128-7-0x00007FFE16000000-0x00007FFE16010000-memory.dmp
        Download

        memory/5128-9-0x00007FFE55EC0000-0x00007FFE56123000-memory.dmp
        Download

        memory/5128-13-0x00007FFE55EC0000-0x00007FFE56123000-memory.dmp
        Download

        memory/5128-14-0x00007FFE55EC0000-0x00007FFE56123000-memory.dmp
        Download

        memory/5128-15-0x00007FFE132D0000-0x00007FFE132E0000-memory.dmp
        Download

        memory/5128-16-0x00007FFE132D0000-0x00007FFE132E0000-memory.dmp
        Download

        memory/5128-20-0x00007FFE55EC0000-0x00007FFE56123000-memory.dmp
        Download

        memory/5128-6-0x00007FFE55EC0000-0x00007FFE56123000-memory.dmp
        Download

        memory/5128-5-0x00007FFE55EC0000-0x00007FFE56123000-memory.dmp
        Download

        memory/5128-8-0x00007FFE55EC0000-0x00007FFE56123000-memory.dmp
        Download

        memory/5128-1-0x00007FFE16000000-0x00007FFE16010000-memory.dmp
        Download

        memory/5128-11-0x00007FFE55EC0000-0x00007FFE56123000-memory.dmp
        Download

        memory/5128-12-0x00007FFE55EC0000-0x00007FFE56123000-memory.dmp
        Download

        memory/5128-0-0x00007FFE16000000-0x00007FFE16010000-memory.dmp
        Download

        memory/5128-2-0x00007FFE16000000-0x00007FFE16010000-memory.dmp
        Download

        memory/5128-4-0x00007FFE16000000-0x00007FFE16010000-memory.dmp
        Download

        memory/5128-3-0x00007FFE5601F000-0x00007FFE56020000-memory.dmp
        Download