tabcal.exe
Digitizer Calibration Tool file version info
Program on Windows 6 known copies with hashes 1 Sigma rule names it
Is it the real tabcal.exe?
C:\Windows\system32\6 known copies
10.0.22000.1 (WinBuild.160101.0800) · C:\WINDOWS\system32\tabcal.exe · signed by Microsoft Windows
dba30624408cef0a75d589083bf32060b80278de0b117150b53b97c2a42bce3d10.0.19041.1 (WinBuild.160101.0800) · C:\Windows\system32\tabcal.exe · signed by Microsoft Windows
f31b4c751dbca276446119ba775787c3eb032da72eabcd40ad96a55826a3f33c10.0.18362.1 (WinBuild.160101.0800) · C:\WINDOWS\system32\tabcal.exe · signed by Microsoft Windows
e2600706a518b67a5f2d14484da2bbcfbbc58d4b92d85e82fde3271e85c00efd10.0.17763.1 (WinBuild.160101.0800) · C:\Windows\system32\tabcal.exe · signed by Microsoft Windows
093270617770de311aef2126236ad404f114bc5c75aab1f954444683526d662610.0.14393.0 (rs1_release.160715-1616) · C:\Windows\system32\tabcal.exe · signed by Microsoft Windows
e738c5f4790b780da2267c5043204b21eb4e45ffe2c6310edbe791592b04f2766.3.9600.16384 (winblue_rtm.130821-1623) · C:\windows\system32\tabcal.exe · not signed
f8bb94e382806820f6493ded8466f2ae8045a3b06b66fecbeaa9239bd0a32754From 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 tabcal.exe in 1 rule, for every kind of event; none is a process creation rule CmdID evaluates, so none is listed.