ef9ba256548fe37a47fc308646860240d7342b40087f2719f9365847475df0d2

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Reports

Overview

overview

Static

static

Microsoft....ew.dll

windows10-2004-x64

Microsoft....ew.dll

windows11-ltsc_2024-x64

Microsoft....ew.dll

windows10-2004-x64

Microsoft....ew.dll

windows10-2004-x64

Microsoft....up.exe

windows10-2004-x64

Microsoft....up.exe

windows11-ltsc_2024-x64

Microsoft....er.dll

windows10-2004-x64

Microsoft....er.dll

windows11-ltsc_2024-x64

Microsoft....dm.dll

windows10-2004-x64

Microsoft....dm.dll

windows11-ltsc_2024-x64

Microsoft....40.dll

windows10-2004-x64

Microsoft....40.dll

windows11-ltsc_2024-x64

Microsoft....pp.exe

windows10-2004-x64

Microsoft....pp.exe

windows11-ltsc_2024-x64

Microsoft....47.dll

windows10-2004-x64

Microsoft....47.dll

windows11-ltsc_2024-x64

Microsoft....86.dll

windows10-2004-x64

Microsoft....er.dll

windows10-2004-x64

Microsoft....er.dll

windows11-ltsc_2024-x64

Microsoft....il.dll

windows10-2004-x64

Microsoft....il.dll

windows11-ltsc_2024-x64

Microsoft....ce.exe

windows10-2004-x64

Microsoft....ce.exe

windows11-ltsc_2024-x64

Microsoft....er.dll

windows10-2004-x64

Microsoft....er.dll

windows11-ltsc_2024-x64

Microsoft....ls.dll

windows10-2004-x64

Microsoft....ls.dll

windows11-ltsc_2024-x64

Microsoft....on.dll

windows10-2004-x64

Microsoft....on.dll

windows11-ltsc_2024-x64

Microsoft....gn.dll

windows10-2004-x64

Microsoft....gn.dll

windows11-ltsc_2024-x64

Microsoft....ot.exe

windows10-2004-x64

Analysis

max time kernel
149s
max time network
166s
platform
windows10-2004_x64
resource
win10v2004-20260513-en
resource tags

arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
10/08/2026, 23:06

Sharing

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Static task

static1

Behavioral task

behavioral1

Sample

Microsoft.WebView2.FixedVersionRuntime.151.0.4129.78.arm64/EBWebView/arm64/EmbeddedBrowserWebView.dll

Resource

win10v2004-20260513-en

windows10-2004-x64

0 signatures

150 seconds

Behavioral task

behavioral2

Sample

Microsoft.WebView2.FixedVersionRuntime.151.0.4129.78.arm64/EBWebView/arm64/EmbeddedBrowserWebView.dll

Resource

win11ltsc2024-20260709-en

windows11-ltsc_2024-x64

0 signatures

150 seconds

Behavioral task

behavioral3

Sample

Microsoft.WebView2.FixedVersionRuntime.151.0.4129.78.arm64/EBWebView/x64/EmbeddedBrowserWebView.dll

Resource

win10v2004-20260513-en

windows10-2004-x64

0 signatures

150 seconds

Behavioral task

behavioral4

Sample

Microsoft.WebView2.FixedVersionRuntime.151.0.4129.78.arm64/EBWebView/x86/EmbeddedBrowserWebView.dll

Resource

win10v2004-20260513-en

windows10-2004-x64

3 signatures

150 seconds

discovery

Behavioral task

behavioral5

Sample

Microsoft.WebView2.FixedVersionRuntime.151.0.4129.78.arm64/Installer/copilot_setup.exe

Resource

win10v2004-20260513-en

windows10-2004-x64

0 signatures

150 seconds

Behavioral task

behavioral6

Sample

Microsoft.WebView2.FixedVersionRuntime.151.0.4129.78.arm64/Installer/copilot_setup.exe

Resource

win11ltsc2024-20260709-en

windows11-ltsc_2024-x64

0 signatures

150 seconds

Behavioral task

behavioral7

Sample

Microsoft.WebView2.FixedVersionRuntime.151.0.4129.78.arm64/PdfPreview/PdfPreviewHandler.dll

Resource

win10v2004-20260513-en

windows10-2004-x64

0 signatures

150 seconds

Behavioral task

behavioral8

Sample

Microsoft.WebView2.FixedVersionRuntime.151.0.4129.78.arm64/PdfPreview/PdfPreviewHandler.dll

Resource

win11ltsc2024-20260709-en

windows11-ltsc_2024-x64

0 signatures

150 seconds

Behavioral task

behavioral9

Sample

Microsoft.WebView2.FixedVersionRuntime.151.0.4129.78.arm64/WidevineCdm/_platform_specific/win_arm64/widevinecdm.dll

Resource

win10v2004-20260513-en

windows10-2004-x64

0 signatures

150 seconds

Behavioral task

behavioral10

Sample

Microsoft.WebView2.FixedVersionRuntime.151.0.4129.78.arm64/WidevineCdm/_platform_specific/win_arm64/widevinecdm.dll

Resource

win11ltsc2024-20260709-en

windows11-ltsc_2024-x64

0 signatures

150 seconds

Behavioral task

behavioral11

Sample

Microsoft.WebView2.FixedVersionRuntime.151.0.4129.78.arm64/concrt140.dll

Resource

win10v2004-20260513-en

windows10-2004-x64

0 signatures

150 seconds

Behavioral task

behavioral12

Sample

Microsoft.WebView2.FixedVersionRuntime.151.0.4129.78.arm64/concrt140.dll

Resource

win11ltsc2024-20260709-en

windows11-ltsc_2024-x64

0 signatures

150 seconds

Behavioral task

behavioral13

Sample

Microsoft.WebView2.FixedVersionRuntime.151.0.4129.78.arm64/copilotapp.exe

Resource

win10v2004-20260513-en

windows10-2004-x64

0 signatures

150 seconds

Behavioral task

behavioral14

Sample

Microsoft.WebView2.FixedVersionRuntime.151.0.4129.78.arm64/copilotapp.exe

Resource

win11ltsc2024-20260709-en

windows11-ltsc_2024-x64

0 signatures

150 seconds

Behavioral task

behavioral15

Sample

Microsoft.WebView2.FixedVersionRuntime.151.0.4129.78.arm64/d3dcompiler_47.dll

Resource

win10v2004-20260513-en

windows10-2004-x64

0 signatures

150 seconds

Behavioral task

behavioral16

Sample

Microsoft.WebView2.FixedVersionRuntime.151.0.4129.78.arm64/d3dcompiler_47.dll

Resource

win11ltsc2024-20260709-en

windows11-ltsc_2024-x64

0 signatures

150 seconds

Behavioral task

behavioral17

Sample

Microsoft.WebView2.FixedVersionRuntime.151.0.4129.78.arm64/dual_engine_adapter_x86.dll

Resource

win10v2004-20260513-en

windows10-2004-x64

3 signatures

150 seconds

discovery

Behavioral task

behavioral18

Sample

Microsoft.WebView2.FixedVersionRuntime.151.0.4129.78.arm64/dxcompiler.dll

Resource

win10v2004-20260513-en

windows10-2004-x64

0 signatures

150 seconds

Behavioral task

behavioral19

Sample

Microsoft.WebView2.FixedVersionRuntime.151.0.4129.78.arm64/dxcompiler.dll

Resource

win11ltsc2024-20260709-en

windows11-ltsc_2024-x64

0 signatures

150 seconds

Behavioral task

behavioral20

Sample

Microsoft.WebView2.FixedVersionRuntime.151.0.4129.78.arm64/dxil.dll

Resource

win10v2004-20260513-en

windows10-2004-x64

0 signatures

150 seconds

Behavioral task

behavioral21

Sample

Microsoft.WebView2.FixedVersionRuntime.151.0.4129.78.arm64/dxil.dll

Resource

win11ltsc2024-20260710-en

windows11-ltsc_2024-x64

0 signatures

150 seconds

Behavioral task

behavioral22

Sample

Microsoft.WebView2.FixedVersionRuntime.151.0.4129.78.arm64/elevated_tracing_service.exe

Resource

win10v2004-20260513-en

windows10-2004-x64

0 signatures

150 seconds

Behavioral task

behavioral23

Sample

Microsoft.WebView2.FixedVersionRuntime.151.0.4129.78.arm64/elevated_tracing_service.exe

Resource

win11ltsc2024-20260709-en

windows11-ltsc_2024-x64

0 signatures

150 seconds

Behavioral task

behavioral24

Sample

Microsoft.WebView2.FixedVersionRuntime.151.0.4129.78.arm64/eventlog_provider.dll

Resource

win10v2004-20260513-en

windows10-2004-x64

0 signatures

150 seconds

Behavioral task

behavioral25

Sample

Microsoft.WebView2.FixedVersionRuntime.151.0.4129.78.arm64/eventlog_provider.dll

Resource

win11ltsc2024-20260709-en

windows11-ltsc_2024-x64

0 signatures

150 seconds

Behavioral task

behavioral26

Sample

Microsoft.WebView2.FixedVersionRuntime.151.0.4129.78.arm64/learning_tools.dll

Resource

win10v2004-20260513-en

windows10-2004-x64

0 signatures

150 seconds

Behavioral task

behavioral27

Sample

Microsoft.WebView2.FixedVersionRuntime.151.0.4129.78.arm64/learning_tools.dll

Resource

win11ltsc2024-20260709-en

windows11-ltsc_2024-x64

0 signatures

150 seconds

Behavioral task

behavioral28

Sample

Microsoft.WebView2.FixedVersionRuntime.151.0.4129.78.arm64/microsoft_shell_integration.dll

Resource

win10v2004-20260513-en

windows10-2004-x64

0 signatures

150 seconds

Behavioral task

behavioral29

Sample

Microsoft.WebView2.FixedVersionRuntime.151.0.4129.78.arm64/microsoft_shell_integration.dll

Resource

win11ltsc2024-20260709-en

windows11-ltsc_2024-x64

0 signatures

150 seconds

Behavioral task

behavioral30

Sample

Microsoft.WebView2.FixedVersionRuntime.151.0.4129.78.arm64/mip_core_gn.dll

Resource

win10v2004-20260513-en

windows10-2004-x64

0 signatures

150 seconds

Behavioral task

behavioral31

Sample

Microsoft.WebView2.FixedVersionRuntime.151.0.4129.78.arm64/mip_core_gn.dll

Resource

win11ltsc2024-20260709-en

windows11-ltsc_2024-x64

0 signatures

150 seconds

Behavioral task

behavioral32

Sample

Microsoft.WebView2.FixedVersionRuntime.151.0.4129.78.arm64/mscopilot.exe

Resource

win10v2004-20260513-en

windows10-2004-x64

0 signatures

150 seconds

Report Analysis Logs

General

Target
Microsoft.WebView2.FixedVersionRuntime.151.0.4129.78.arm64/WidevineCdm/_platform_specific/win_arm64/widevinecdm.dll
Size 16.4MB
Sample260810-23v61abb39
SHA256 ef9ba256548fe37a47fc308646860240d7342b40087f2719f9365847475df0d2
MD5 dfcd922198c7370a3db3d1ed46a4182f
SHA1 8cb3037d77b257f7cdda2b58728c3f49a03b32ae
SHA512 5610838838f686dd07aab8f8b1a3cefafa53a18c1685851faa0cb55afa744d5177c21837e66aa5504b6b597088bed3f9ceed35450476eecb22845261204af581
SSDEEP 393216:nB3pyYXaoDzoOM+7JtLhQ4LkxRQIuJfA6YafH8Zxmzo:n/yKM0MQdA6lfImE
TLSH
T1800712A6694DFE06E9CDB8BECC070E5174B9ACA042B1D852B00A364DDD30B96D75D3B3
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.WebView2.FixedVersionRuntime.151.0.4129.78.arm64\WidevineCdm\_platform_specific\win_arm64\widevinecdm.dll,#1
1⤵
PID:5076

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads