Analysis

  • max time kernel
    91s
  • max time network
    159s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/10/2024, 18:27

General

  • Target

    Microsoft.HEVCVideoExtension_8wekyb3d8bbwe.x86.appx

  • Size

    1.3MB

  • MD5

    d0f176b2f9dc4edb978ea2513259e64e

  • SHA1

    9889f68d565788cca7c26706262afbb22c716062

  • SHA256

    5645773f3c485c4b7fffa7b29eb827fb6c71e1a9cbdcf770cd9f70e4c504095b

  • SHA512

    cd440ea786ca9a9ee31f9065562e68783aa14ad40510c0da8dccf622e374a3cc5080bc24af2d332f996d9ddc2af7fb751d90c28236953a156b9bc276e59392e6

  • SSDEEP

    24576:obKkO6Ki1mLK9IR/+x45JvBUVx17GtvFhxEGTPw7z94KMOxz:5kEjKo/+6XKji9nxiXKe1

Score
1/10

Malware Config

Signatures

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 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:2584
  • C:\Windows\system32\Clipup.exe
    "C:\Windows\system32\Clipup.exe" -p -pfm Microsoft.HEVCVideoExtension_8wekyb3d8bbwe
    1⤵
      PID:688
      • C:\Windows\system32\Clipup.exe
        "C:\Windows\system32\Clipup.exe" -p -pfm Microsoft.HEVCVideoExtension_8wekyb3d8bbwe -ppl C:\Windows\TEMP\temD84F.tmp
        2⤵
          PID:1948

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_igbxp0ox.nb5.ps1

        Filesize

        60B

        MD5

        d17fe0a3f47be24a6453e9ef58c94641

        SHA1

        6ab83620379fc69f80c0242105ddffd7d98d5d9d

        SHA256

        96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

        SHA512

        5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

      • C:\Windows\TEMP\temD84F.tmp

        Filesize

        32B

        MD5

        3a696dbd1a68a556870c204865719787

        SHA1

        161f8934ed3fc5133b1d3b93c44ee2b8a482725a

        SHA256

        d049946b7e31069d77406134dfcad4cdab5247777b1a560c7719b47f56dcc194

        SHA512

        ffabbfc291f644f9b17df375bf4a1635b584ffcea9f544168e1c5b40ad637d29b86e1e8d6c57075eead2a1e0542508cca43204d3b795d5c290ffa7cbff18e529

      • memory/688-17-0x000002173F7F0000-0x000002173F800000-memory.dmp

        Filesize

        64KB

      • memory/688-27-0x000002173F7F0000-0x000002173F800000-memory.dmp

        Filesize

        64KB

      • memory/688-26-0x000002173F7F0000-0x000002173F800000-memory.dmp

        Filesize

        64KB

      • memory/688-15-0x000002173F7F0000-0x000002173F800000-memory.dmp

        Filesize

        64KB

      • memory/688-16-0x000002173F7F0000-0x000002173F800000-memory.dmp

        Filesize

        64KB

      • memory/1948-22-0x0000027986D60000-0x0000027986D70000-memory.dmp

        Filesize

        64KB

      • memory/1948-18-0x0000027986D60000-0x0000027986D70000-memory.dmp

        Filesize

        64KB

      • memory/1948-20-0x0000027986D60000-0x0000027986D70000-memory.dmp

        Filesize

        64KB

      • memory/1948-19-0x0000027986D60000-0x0000027986D70000-memory.dmp

        Filesize

        64KB

      • memory/1948-23-0x0000027986D60000-0x0000027986D70000-memory.dmp

        Filesize

        64KB

      • memory/1948-24-0x0000027986D60000-0x0000027986D70000-memory.dmp

        Filesize

        64KB

      • memory/2584-14-0x00007FFDA2370000-0x00007FFDA2E31000-memory.dmp

        Filesize

        10.8MB

      • memory/2584-0-0x00007FFDA2373000-0x00007FFDA2375000-memory.dmp

        Filesize

        8KB

      • memory/2584-12-0x00007FFDA2370000-0x00007FFDA2E31000-memory.dmp

        Filesize

        10.8MB

      • memory/2584-11-0x00007FFDA2370000-0x00007FFDA2E31000-memory.dmp

        Filesize

        10.8MB

      • memory/2584-1-0x000001F242220000-0x000001F242242000-memory.dmp

        Filesize

        136KB