mscorsvw.exe

File Path: C:\WINDOWS\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe
Description: .NET Runtime Optimization Service
Comments: Flavor=Retail

Hashes

Type	Hash
MD5	`3FF8ED8F93BED9F1840A05BAECACA6E5`
SHA1	`2D2D387355142FCB43885D406CD63ED483700DD6`
SHA256	`C5BE32520FF3A1A6ACDF66B30A9A068F20F946F2E1091C6F85D6E9F09FBA1624`
SHA384	`157A8FE67004D7E5A7C5E7D3DF36889874AD04BC9A981DB2972191E00BB0D784F417ED074696378AC4A5531A43D7526B`
SHA512	`DB9D68338599D888DB8536D5824785B2F5400CFEE51083C98496988E8074F8BCCDBF2AE90EF83426679E516EAC3D49EF5CF478D1B5413C476CB54BDE2397E579`
SSDEEP	`3072:uihUhia0CqY/cQhQ1FZgOHdeA8eKszyT:uyUs7CZC1JM`
IMP	`72FA9F3C31A63C45F46299F4E6E1B9CE`
PESHA1	`886944AC433B7C7D26A49A93F7B1CDFDA2ED6E7F`
PE256	`5EC8F7F1E636FC9A3BC00AF942FF14AA820DE2117FD6B27B4DFC6861E691F88D`

Runtime Data

Loaded Modules:

Path
C:\WINDOWS\Microsoft.NET\Framework64\v4.0.30319\fusion.dll
C:\WINDOWS\Microsoft.NET\Framework64\v4.0.30319\mscorsvc.dll
C:\WINDOWS\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe
C:\WINDOWS\System32\ADVAPI32.dll
C:\WINDOWS\System32\combase.dll
C:\WINDOWS\System32\GDI32.dll
C:\WINDOWS\System32\gdi32full.dll
C:\WINDOWS\System32\IMM32.DLL
C:\WINDOWS\System32\KERNEL32.DLL
C:\WINDOWS\System32\KERNELBASE.dll
C:\WINDOWS\SYSTEM32\mscoree.dll
C:\WINDOWS\System32\msvcp_win.dll
C:\WINDOWS\System32\msvcrt.dll
C:\WINDOWS\SYSTEM32\ntdll.dll
C:\WINDOWS\System32\ole32.dll
C:\WINDOWS\System32\OLEAUT32.dll
C:\WINDOWS\System32\RPCRT4.dll
C:\WINDOWS\System32\sechost.dll
C:\WINDOWS\System32\ucrtbase.dll
C:\WINDOWS\SYSTEM32\ucrtbase_clr0400.dll
C:\WINDOWS\System32\USER32.dll
C:\WINDOWS\SYSTEM32\VCRUNTIME140_CLR0400.dll
C:\WINDOWS\System32\win32u.dll

Signature

Status: Signature verified.
Serial: 33000002EC6579AD1E670890130000000002EC
Thumbprint: F7C2F2C96A328C13CDA8CDB57B715BDEA2CBD1D9
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: mscorsvw.exe
Product Name: Microsoft .NET Framework
Company Name: Microsoft Corporation
File Version: 4.8.4341.0 built by: NET48REL1LAST_C
Product Version: 4.8.4341.0
Language: English (United States)
Legal Copyright: Microsoft Corporation. All rights reserved.
Machine Type: 64-bit

File Scan

VirusTotal Detections: 0/73
VirusTotal Link: https://www.virustotal.com/gui/file/c5be32520ff3a1a6acdf66b30a9a068f20f946f2e1091c6f85d6e9f09fba1624/detection

File Similarity (ssdeep match)

File	Score
C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe	85

Possible Misuse

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

Source	Source File	Example	License
sigma	image_load_alternate_powershell_hosts_moduleload.yml	`- '\mscorsvw.exe'`	DRL 1.0
sigma	image_load_in_memory_powershell.yml	`- '\mscorsvw.exe' # c:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsw.exe for instance`	DRL 1.0
sigma	image_load_wsman_provider_image_load.yml	`filter_mscorsvw: #Image: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe`	DRL 1.0
sigma	image_load_wsman_provider_image_load.yml	`Image\\|endswith: \mscorsvw.exe`	DRL 1.0