Analysis

  • max time kernel
    148s
  • max time network
    126s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    27/10/2026, 04:27

General

  • Target
    HEVC视频扩展-双击安装.appx
  • Size 2.4MB
  • Sample261027-e3kc6sav6x
  • SHA256 46695112aa70a05faf71c69ecf4ff0502a3b82d152168d3ffb67219eafe51b85
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
4/10

Malware Config

Signatures

  • Drops file in Windows directory 1 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 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.

Processes

  • C:\Windows\system32\WindowsPowerShell\v1.0\PowerShell.exe
    powershell start shell:AppsFolder\Microsoft.HEVCVideoExtension_8wekyb3d8bbwe!App
    1⤵
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:3112
  • C:\Windows\system32\Clipup.exe
    "C:\Windows\system32\Clipup.exe" -p -pfm Microsoft.HEVCVideoExtension_8wekyb3d8bbwe
    1⤵
      PID:1164
      • C:\Windows\system32\Clipup.exe
        "C:\Windows\system32\Clipup.exe" -p -pfm Microsoft.HEVCVideoExtension_8wekyb3d8bbwe -ppl C:\Windows\SystemTemp\tem65B5.tmp
        2⤵
        • Drops file in Windows directory
        PID:5464

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          tem65B5.tmp

          • Path C:\Windows\SystemTemp\tem65B5.tmp
          • Size 32B
          • SHA256 d049946b7e31069d77406134dfcad4cdab5247777b1a560c7719b47f56dcc194
          • MD5 SHA1 SHA512

          memory/1164-12-0x000001E1B4310000-0x000001E1B4320000-memory.dmp

          memory/1164-23-0x000001E1B4310000-0x000001E1B4320000-memory.dmp

          memory/1164-24-0x000001E1B4310000-0x000001E1B4320000-memory.dmp

          memory/1164-26-0x000001E1B4310000-0x000001E1B4320000-memory.dmp

          memory/1164-25-0x000001E1B4310000-0x000001E1B4320000-memory.dmp

          memory/1164-13-0x000001E1B4310000-0x000001E1B4320000-memory.dmp

          memory/1164-11-0x000001E1B4310000-0x000001E1B4320000-memory.dmp

          memory/3112-7-0x00007FF921300000-0x00007FF921CA4000-memory.dmp

          memory/3112-0-0x00007FF92148F000-0x00007FF921490000-memory.dmp

          memory/3112-8-0x00007FF921300000-0x00007FF921CA4000-memory.dmp

          memory/3112-3-0x0000021E33A10000-0x0000021E33A32000-memory.dmp

          memory/3112-10-0x00007FF921300000-0x00007FF921CA4000-memory.dmp

          memory/3112-4-0x00007FF921300000-0x00007FF921CA4000-memory.dmp

          memory/3112-5-0x00007FF921300000-0x00007FF921CA4000-memory.dmp

          memory/3112-6-0x00007FF921300000-0x00007FF921CA4000-memory.dmp

          memory/5464-16-0x0000011E18E50000-0x0000011E18E60000-memory.dmp

          memory/5464-21-0x0000011E18E50000-0x0000011E18E60000-memory.dmp

          memory/5464-19-0x0000011E18E50000-0x0000011E18E60000-memory.dmp

          memory/5464-20-0x0000011E18E50000-0x0000011E18E60000-memory.dmp

          memory/5464-18-0x0000011E18E50000-0x0000011E18E60000-memory.dmp

          memory/5464-15-0x0000011E18E50000-0x0000011E18E60000-memory.dmp

          memory/5464-14-0x0000011E18E50000-0x0000011E18E60000-memory.dmp