mshtml.dll

File Path: C:\Windows\system32\mshtml.dll
Description: Microsoft (R) HTML Viewer

Hashes

Type	Hash
MD5	`991FCF80CBA4226446464056FE2FD2A4`
SHA1	`C33D63ED5D8808C7EBA161F5CE8F3341F49E1A54`
SHA256	`3D95FBA53ED28B7B87543ADFC7A9F48BDCBE7B48F245300B982CC07E4B2392C7`
SHA384	`11A415420FD50168685E639BD3CDFF51EABBBF74FE787A45E1D7B7C58D488113220010D65E97DC4C4FB198B9EDAE0A52`
SHA512	`89A6C502B331B5F6D6E88409EFDBDA00DC9CFA4773A4DCC6B6E2E8C2753721065FA86FEA83B76ACBA7AFDC5920F8C4264BDFEDD1527FFF27ADBE908B451234A0`
SSDEEP	`393216:UiKpqqF/1+TuSc3gIjZjq0vMfp7XaxPYFY5G:xKsX`
IMP	`15A68012EEC9EBBFE108955F80E80B99`
PESHA1	`7AD0B82DDE272882E8DC326F1EBC02340EB10F7B`
PE256	`55AE36F5903DDE91137CA90D541831A4199B59E56961E7B576EF2E0128CE6718`

DLL Exports:

Function Name	Ordinal	Type
`RunHTMLApplication`	135	Exported Function
`ShowHTMLDialog`	136	Exported Function
`PrintHTML`	133	Exported Function
`InitializeLocalHtmlEngine`	119	Exported Function
`MatchExactGetIDsOfNames`	132	Exported Function
`ShowHTMLDialogEx`	137	Exported Function
`TravelLogStgCreateInstance`	142	Exported Function
`UninitializeLocalHtmlEngine`	143	Exported Function
`TravelLogCreateInstance`	141	Exported Function
`ShowModalDialog`	139	Exported Function
`ShowModelessHTMLDialog`	140	Exported Function
`CreateHTMLPropertyPage`	111	Exported Function
`DllCanUnloadNow`	112	Exported Function
`CreateCoreWebView`	110	Exported Function
`ClearPhishingFilterData`	108	Exported Function
`ConvertAndEscapePostData`	109	Exported Function
`DllEnumClassObjects`	113	Exported Function
`IEIsXMLNSRegistered`	117	Exported Function
`IERegisterXMLNS`	118	Exported Function
`GetWebPlatformObject`	116	Exported Function
`DllGetClassObject`	114	Exported Function
`GetColorValueFromString`	115	Exported Function

Signature

Status: Signature verified.
Serial: 330000026551AE1BBD005CBFBD000000000265
Thumbprint: E168609353F30FF2373157B4EB8CD519D07A2BFF
Issuer: CN=Microsoft Windows Production PCA 2011, O=Microsoft Corporation, L=Redmond, S=Washington, C=US
Subject: CN=Microsoft Windows, O=Microsoft Corporation, L=Redmond, S=Washington, C=US

File Metadata

Original Filename: MSHTML.DLL.MUI
Product Name: Internet Explorer
Company Name: Microsoft Corporation
File Version: 11.00.19041.1 (WinBuild.160101.0800)
Product Version: 11.00.19041.1
Language: English (United States)
Legal Copyright: Microsoft Corporation. All rights reserved.
Machine Type: 64-bit

File Scan

VirusTotal Detections: 0/69
VirusTotal Link: https://www.virustotal.com/gui/file/3d95fba53ed28b7b87543adfc7a9f48bdcbe7b48f245300b982cc07e4b2392c7/detection/

Possible Misuse

The following table contains possible examples of mshtml.dll being misused. While mshtml.dll is not inherently malicious, its legitimate functionality can be abused for malicious purposes.

Source	Source File	Example	License
sigma	proc_creation_win_susp_rundll32_activity.yml	`- 'mshtml.dll'`	DRL 1.0
sigma	registry_event_vbs_payload_stored.yml	`- '\Microsoft.NET\Primary Interop Assemblies\Microsoft.mshtml.dll'`	DRL 1.0
LOLBAS	Rundll32.yml	`- Command: rundll32.exe javascript:"\..\mshtml.dll,RunHTMLApplication ";eval("w=new%20ActiveXObject(\"WScript.Shell\");w.run(\"calc\");window.close()");`
LOLBAS	Mshtml.yml	`Name: Mshtml.dll`
LOLBAS	Mshtml.yml	`- Command: rundll32.exe Mshtml.dll,PrintHTML "C:\temp\calc.hta"`
LOLBAS	Mshtml.yml	`- Path: c:\windows\system32\mshtml.dll`
LOLBAS	Mshtml.yml	`- Path: c:\windows\syswow64\mshtml.dll`
LOLBAS	Mshtml.yml	`- Link: https://windows10dll.nirsoft.net/mshtml_dll.html`
signature-base	apt_tidepool.yar	$x2 = “C:\PROGRA~2\IEHelper\mshtml.dll” fullword wide	CC BY-NC 4.0
signature-base	apt_tidepool.yar	$x3 = “C:\DOCUME~1\ALLUSE~1\IEHelper\mshtml.dll” fullword wide	CC BY-NC 4.0