FXSSVC.exe
Fax Service file version info
Program on Windows 5 known copies with hashes 1 Sigma rule names it
Is it the real FXSSVC.exe?
C:\Windows\system32\5 known copies
10.0.22000.1 (WinBuild.160101.0800) · C:\WINDOWS\system32\FXSSVC.exe · signed by Microsoft Windows
d3dd5446664dc47a3cd0f97a0dcd85a3b7164a48cd9a71644302ee483f6a34de10.0.19041.804 (WinBuild.160101.0800) · C:\Windows\system32\FXSSVC.exe · signed by Microsoft Windows
f5f1381269a303798d5c879cca0f7f627be5081ab292fe652a86564010cd7e6e10.0.19041.1 (WinBuild.160101.0800) · C:\Windows\system32\FXSSVC.exe · signed by Microsoft Windows
d70cb3598af18e75db858accb6d3e7b4d6f6d8f68e50673bf28a45cea165870110.0.18362.1 (WinBuild.160101.0800) · C:\WINDOWS\system32\FXSSVC.exe · signed by Microsoft Windows
0257954d0c8978c7e163c918a79a5d35aa7626d9d5236ba55feaa3eb5a44dbef10.0.17763.1 (WinBuild.160101.0800) · C:\Windows\system32\FXSSVC.exe · signed by Microsoft Windows
02550c0aad3f86f5c6efb1f5043c358d78c6d847539755d95672935d974d5ae8From the file’s version info and the copies recorded by xCyclopedia (MIT). A copy in another folder, signed by someone else or with another hash is not necessarily malicious, but it is worth a closer look. In Ceplin, "<sha256>".whatis() says which known copy a hash is.
What detects it
Sigma names FXSSVC.exe in 1 rule, for every kind of event; none is a process creation rule CmdID evaluates, so none is listed.