winrs.exe
winrs file version info
Program on Windows 12 known copies with hashes 2 Sigma rules name it Command winrs
Is it the real winrs.exe?
C:\Windows\system32\C:\Windows\SysWOW64\12 known copies
10.0.22000.1 (WinBuild.160101.0800) · C:\WINDOWS\SysWOW64\winrs.exe · signed by Microsoft Windows
a15fc3dff119890c80ecdd68dfa976c1b739fbad4b5344968401185437dd863f10.0.22000.1 (WinBuild.160101.0800) · C:\WINDOWS\system32\winrs.exe · signed by Microsoft Windows
f7e425caef7f3f3fb7f42c9236256873a1f1f0fabf86f399baf136c52a0dbe2e10.0.19041.1 (WinBuild.160101.0800) · C:\Windows\system32\winrs.exe · signed by Microsoft Windows
00b00f9e2a62550136f2d80428bdce22c8fe718784b7f8dafc29c18bfd782bdf10.0.19041.1 (WinBuild.160101.0800) · C:\Windows\SysWOW64\winrs.exe · signed by Microsoft Windows
c0dd2782705893496765cd83ba9be23c8c1b279f5b943756c380219a5be15a6e10.0.18362.1 (WinBuild.160101.0800) · C:\WINDOWS\system32\winrs.exe · signed by Microsoft Windows
700acd72ebc15130b66048b7e7d3282a17a8aba24092d871620955883a1160a610.0.18362.1 (WinBuild.160101.0800) · C:\WINDOWS\SysWOW64\winrs.exe · signed by Microsoft Windows
b7e282fbd9c7ca9916f5148449035273629ccd133e109e4b62c6ea11e8e18baf10.0.17763.1 (WinBuild.160101.0800) · C:\Windows\SysWOW64\winrs.exe · signed by Microsoft Windows
02abc26a1f1fb25cb24992bf62eeab05b570e1310f64aaa1cb1433f7ba77b3bb10.0.17763.1 (WinBuild.160101.0800) · C:\Windows\system32\winrs.exe · signed by Microsoft Windows
83790021f6315747decce5a9e15006dcda7a7e7003660b5b3d07d1862261e73a10.0.14393.0 (rs1_release.160715-1616) · C:\Windows\SysWOW64\winrs.exe · signed by Microsoft Windows
27bdfc7b4733c7ed80ebb3682ecd556226cf7e6467c1c1b674160e6b4cb6438110.0.14393.0 (rs1_release.160715-1616) · C:\Windows\system32\winrs.exe · signed by Microsoft Windows
6d4d5950d1effb6004aa02ddd9fe0b58e953ebfcee6466e96c1051830d266b3d6.3.9600.16384 (winblue_rtm.130821-1623) · C:\windows\SysWOW64\winrs.exe · not signed
00696555cbf6db83af785f8acb2270b9411cfc75e7f6d3ece0ec1ae146ad5acf6.3.9600.16384 (winblue_rtm.130821-1623) · C:\windows\system32\winrs.exe · not signed
72a6b1395f06e655efc00db5181d04a1f38b48bf378fefe111ea7a04ba1bbc05From 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 winrs.exe in 2 rules in all, for every kind of event; this is the process creation rule CmdID evaluates.