Analysis

  • max time kernel
    150s
  • max time network
    159s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21/04/2024, 11:50

General

  • Target

    Microsoft.HEVCVideoExtension_8wekyb3d8bbwe.x64.appx

  • Size

    2.4MB

  • MD5

    2790d3cfad036888290dc0cba99ac7c5

  • SHA1

    17fb31898fcd09ec8e44df62e1eebfc94220142e

  • SHA256

    a2e75ad965346fe33681f17fae3b1fee7664a5efa3742efdfcbf40ddd4b91fd5

  • SHA512

    30b23e4ac228b0777d5abe184c320a8c4466fc84ad3297b1ddf59535295b83a5a9e0baebdecae84e4f7193f2db4c3ea337a1183f4869bb2553a0ae6e06cc4de3

  • SSDEEP

    49152:pYedozDeR4AyrNrNpv2lC1zXGJZhtK1Ondg7uQdX0txtV:pYeKRBrNpv2lC1z2J7jQz8d

Score
1/10

Malware Config

Signatures

  • 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:3732
  • C:\Windows\system32\Clipup.exe
    "C:\Windows\system32\Clipup.exe" -p -pfm Microsoft.HEVCVideoExtension_8wekyb3d8bbwe
    1⤵
      PID:1728
      • C:\Windows\system32\Clipup.exe
        "C:\Windows\system32\Clipup.exe" -p -pfm Microsoft.HEVCVideoExtension_8wekyb3d8bbwe -ppl C:\Windows\TEMP\tem730D.tmp
        2⤵
          PID:312

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ljktnfh0.5tl.ps1

        Filesize

        60B

        MD5

        d17fe0a3f47be24a6453e9ef58c94641

        SHA1

        6ab83620379fc69f80c0242105ddffd7d98d5d9d

        SHA256

        96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

        SHA512

        5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

      • C:\Windows\TEMP\tem730D.tmp

        Filesize

        32B

        MD5

        3a696dbd1a68a556870c204865719787

        SHA1

        161f8934ed3fc5133b1d3b93c44ee2b8a482725a

        SHA256

        d049946b7e31069d77406134dfcad4cdab5247777b1a560c7719b47f56dcc194

        SHA512

        ffabbfc291f644f9b17df375bf4a1635b584ffcea9f544168e1c5b40ad637d29b86e1e8d6c57075eead2a1e0542508cca43204d3b795d5c290ffa7cbff18e529

      • memory/312-24-0x00000199B78F0000-0x00000199B7900000-memory.dmp

        Filesize

        64KB

      • memory/312-23-0x00000199B78F0000-0x00000199B7900000-memory.dmp

        Filesize

        64KB

      • memory/312-21-0x00000199B78F0000-0x00000199B7900000-memory.dmp

        Filesize

        64KB

      • memory/312-19-0x00000199B78F0000-0x00000199B7900000-memory.dmp

        Filesize

        64KB

      • memory/1728-18-0x000001599AD90000-0x000001599ADA0000-memory.dmp

        Filesize

        64KB

      • memory/1728-17-0x000001599AD90000-0x000001599ADA0000-memory.dmp

        Filesize

        64KB

      • memory/1728-15-0x000001599AD90000-0x000001599ADA0000-memory.dmp

        Filesize

        64KB

      • memory/1728-26-0x000001599AD90000-0x000001599ADA0000-memory.dmp

        Filesize

        64KB

      • memory/1728-28-0x000001599AD90000-0x000001599ADA0000-memory.dmp

        Filesize

        64KB

      • memory/1728-27-0x000001599AD90000-0x000001599ADA0000-memory.dmp

        Filesize

        64KB

      • memory/3732-14-0x00007FFEF7B70000-0x00007FFEF8631000-memory.dmp

        Filesize

        10.8MB

      • memory/3732-12-0x000001EC32250000-0x000001EC32260000-memory.dmp

        Filesize

        64KB

      • memory/3732-10-0x00007FFEF7B70000-0x00007FFEF8631000-memory.dmp

        Filesize

        10.8MB

      • memory/3732-11-0x000001EC32250000-0x000001EC32260000-memory.dmp

        Filesize

        64KB

      • memory/3732-9-0x000001EC4C910000-0x000001EC4C932000-memory.dmp

        Filesize

        136KB