FXSSVC.exe

File Path: C:\Windows\system32\FXSSVC.exe
Description: Fax Service

Hashes

Type	Hash
MD5	`448D27130A927F933E9B283A165300A3`
SHA1	`EFC95DA195E18AE1F9852C2F693266F296E31867`
SHA256	`D70CB3598AF18E75DB858ACCB6D3E7B4D6F6D8F68E50673BF28A45CEA1658701`
SHA384	`CA2F30F3A85DC42BE9AADE1DA2906A165F50295C6C3AAE6B0178CA1105BA5107DA46C05C9B109AC6BAE123E7CBC6A52C`
SHA512	`F4188CE6DAFA48775819EC6387F781357C39BFBCA1D733FDBFA6E5D880DE2E8C7D8F78046076CA5D5CBDEE6FAEB9B705FC297EF3A08DBFDDD9C03B1E184C3707`
SSDEEP	`12288:+uFG/3iJDrhVn43HRo4vRWQQkXBphGBnghhNBeELURZT7A/:91JDrhpexobkXrhGBg9gRZg/`
IMP	`6F91BAF876B8AA66CF43576F7BE1E85F`
PESHA1	`09FA73DA0A6C4F20D95E8C0262CE788978D6494E`
PE256	`874BB9D70AE583D9FC12867EA94A08E9069865329F6197C472D24E6AF57C7639`

Runtime Data

Loaded Modules:

Path
C:\Windows\system32\FXSSVC.exe
C:\Windows\System32\KERNEL32.DLL
C:\Windows\System32\KERNELBASE.dll
C:\Windows\SYSTEM32\ntdll.dll

Signature

Status: Signature verified.
Serial: 3300000266BD1580EFA75CD6D3000000000266
Thumbprint: A4341B9FD50FB9964283220A36A1EF6F6FAA7840
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: FXSSVC.EXE
Product Name: Microsoft Windows Operating System
Company Name: Microsoft Corporation
File Version: 10.0.19041.1 (WinBuild.160101.0800)
Product Version: 10.0.19041.1
Language: English (United States)
Legal Copyright: Microsoft Corporation. All rights reserved.
Machine Type: 64-bit

File Scan

VirusTotal Detections: 0/76
VirusTotal Link: https://www.virustotal.com/gui/file/d70cb3598af18e75db858accb6d3e7b4d6f6d8f68e50673bf28a45cea1658701/detection

Possible Misuse

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

Source	Source File	Example	License
sigma	image_load_susp_fax_dll.yml	`- fxssvc.exe`	DRL 1.0
atomic-red-team	T1543.003.md	sc config Fax binPath= “C:\WINDOWS\system32\fxssvc.exe” >nul 2>&1	MIT License. © 2018 Red Canary

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