SearchIndexer.exe
Microsoft Windows Search Indexer file version info
Program on Windows 20 known copies with hashes 4 Sigma rules name it
Is it the real SearchIndexer.exe?
C:\Windows\system32\C:\Windows\SysWOW64\20 known copies
7.0.22000.282 (WinBuild.160101.0800) · C:\WINDOWS\SysWOW64\SearchIndexer.exe · signed by Microsoft Windows
cb1b0b0d8a4c093cff7cbb711cbeccce38ef409c0d15e9030be093dde71357bb7.0.22000.1 (WinBuild.160101.0800) · C:\WINDOWS\system32\SearchIndexer.exe · signed by Microsoft Windows
3548a0c05a9ace8823296737b2c8131a7a3b0b5a3c53eb55f60816dc73dcd10a7.0.19041.610 (WinBuild.160101.0800) · C:\Windows\SysWOW64\SearchIndexer.exe · signed by Microsoft Windows
35da9f518b4f90af76b014c1d8b0232e1f58adfaba900df0e49da8511eceb9327.0.19041.488 (WinBuild.160101.0800) · C:\Windows\SysWOW64\SearchIndexer.exe · signed by Microsoft Windows
710af458414e90bc0b312d63b0a2cd7552227b269d0d617fcf93f02775948dd47.0.19041.329 (WinBuild.160101.0800) · C:\Windows\SysWOW64\SearchIndexer.exe · signed by Microsoft Windows
73aac2d2c4cc1163a67aaf96247fff2d98269d1eddebee3c8fe1f01ee7391b707.0.19041.1151 (WinBuild.160101.0800) · C:\Windows\SysWOW64\SearchIndexer.exe · signed by Microsoft Windows
b2f7e272a5e959b6feba8720cd63db34ee638d5d3419a00cdcd3a3753e725c307.0.19041.1 (WinBuild.160101.0800) · C:\Windows\system32\SearchIndexer.exe · signed by Microsoft Windows
127dafa6f4b9f39191e8532be9772b29a269f4c9df5e78dcbf759c6f3d98b99f7.0.19041.1 (WinBuild.160101.0800) · C:\Windows\system32\SearchIndexer.exe · signed by Microsoft Windows
6177cdd79d82143de463486d22de69416db3da99a91c0b65e8708a295baef2ea7.0.19041.1 (WinBuild.160101.0800) · C:\Windows\system32\SearchIndexer.exe · signed by Microsoft Windows
63b92d3657ec7e81ad3a8ad8eca83c456752eb654715518732da1adc9c4241ad7.0.19041.1 (WinBuild.160101.0800) · C:\Windows\system32\SearchIndexer.exe · signed by Microsoft Windows
efa17d9342fc498ff6ebaef54fa2b5777ffd43e8786370d18b5f4364582d3d627.0.18362.719 (WinBuild.160101.0800) · C:\WINDOWS\SysWOW64\SearchIndexer.exe · signed by Microsoft Windows
a1b94298c0bac96946de1850ab76781a9e4d6a2efa8f631ab78d55da7e88d62d7.0.18362.1 (WinBuild.160101.0800) · C:\WINDOWS\system32\SearchIndexer.exe · signed by Microsoft Windows
8adf07e9a1511872e185fbe22914c2130c77ae7b2def2fe33da5de319470df0e7.0.17763.1490 (WinBuild.160101.0800) · C:\Windows\SysWOW64\SearchIndexer.exe · signed by Microsoft Windows
8fac5e5ee7e0cfad8684ea66605282d0b006fa151a484904860a961eeef097507.0.17763.1369 (WinBuild.160101.0800) · C:\Windows\SysWOW64\SearchIndexer.exe · signed by Microsoft Windows
745fe249f9f28fdf2972148187479231a01d18c29e5a75a2b7e93458effd66ed7.0.17763.1098 (WinBuild.160101.0800) · C:\windows\SysWOW64\SearchIndexer.exe · signed by Microsoft Windows
ec58d7f640cfcb9c6971803c5ba3a51fbdea36d2c4de4183feca955a1080e00f7.0.17763.1 (WinBuild.160101.0800) · C:\Windows\system32\SearchIndexer.exe · signed by Microsoft Windows
1b31e6cb35f3aac01e663d3bd98fa90129b5f1744ae70bf1dc3af464f284a5737.0.17763.1 (WinBuild.160101.0800) · C:\Windows\system32\SearchIndexer.exe · signed by Microsoft Windows
55b4b3510bcfaf831389b14a27f67417e1c4ab8d4c33c7c62bc7c4927a2c02bb7.0.17763.1 (WinBuild.160101.0800) · C:\windows\system32\SearchIndexer.exe · signed by Microsoft Windows
e30696aad9ed79a56608b561fb521908b764b2fa169d93e671b3b30e5b08ae407.0.14393.0 (rs1_release.160715-1616) · C:\Windows\system32\SearchIndexer.exe · signed by Microsoft Windows
02aa6d3040ffe4ef897cebc89f9d641f13dc27969b88eafba6a1eee6ba9d019e7.0.14393.0 (rs1_release.160715-1616) · C:\Windows\SysWOW64\SearchIndexer.exe · signed by Microsoft Windows
e5daafede3a97adb0f532c988427ca51e73640b74d0dbc68a7a57d77a9d9a424From 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 SearchIndexer.exe in 4 rules in all, for every kind of event; these are the process creation rules CmdID evaluates.