Overview

overview

7

Static

static

3

Masterstrap.exe

windows10-2004-x64

1

Masterstrap.exe

windows11-ltsc_2024-x64

1

Masterstrap.exe

windows10-2004-x64

7

Masterstrap.exe

windows11-ltsc_2024-x64

6

Microsoft....re.dll

windows10-2004-x64

1

Microsoft....re.dll

windows11-ltsc_2024-x64

1

Microsoft....ms.dll

windows10-2004-x64

1

Microsoft....ms.dll

windows11-ltsc_2024-x64

1

Microsoft....pf.dll

windows10-2004-x64

1

Microsoft....pf.dll

windows11-ltsc_2024-x64

1

WebView2Loader.dll

windows10-2004-x64

1

ZstdSharp.dll

windows10-2004-x64

1

ZstdSharp.dll

windows11-ltsc_2024-x64

1

runtimes\w...er.dll

windows10-2004-x64

1

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
    24/10/2026, 16:07

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General

  • Target
    Microsoft.Web.WebView2.Core.dll
  • Size 635KB
  • Sample261024-tkwe2szy7k
  • SHA256 bb397d03342c76bd308ade82f5b7e8ced00df59459799ffc93a38c3a882b3398
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
1/10

Malware Config

Signatures

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\Microsoft.Web.WebView2.Core.dll,#1
    1⤵
      PID:5952

    Network

          MITRE ATT&CK Matrix

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          Downloads