Taskmgr.exe
Task Manager file version info
Program on Windows 18 known copies with hashes 10 Sigma rules name it
Is it the real Taskmgr.exe?
C:\Windows\system32\C:\Windows\SysWOW64\18 known copies
10.0.22000.65 (WinBuild.160101.0800) · C:\WINDOWS\SysWOW64\Taskmgr.exe · signed by Microsoft Windows
efc4a6fb997c06367d39b536fa47ff1456587a8bd5aaee74a1da6b263674a58510.0.22000.184 (WinBuild.160101.0800) · C:\WINDOWS\system32\Taskmgr.exe · signed by Microsoft Windows
d5d9ff3aabfb524d80bfd5f457b40a3bd1ee757cd93806f88fba57b7cae88a2a10.0.19041.662 (WinBuild.160101.0800) · C:\Windows\SysWOW64\Taskmgr.exe · signed by Microsoft Windows
5c5c162b1b5688faa1928380829e4bdb12a84e07893a6c1ec39fedba1464d81d10.0.19041.662 (WinBuild.160101.0800) · C:\Windows\system32\Taskmgr.exe · signed by Microsoft Windows
793ca2ed06301d0ae8bb590254380e71a91e0efdedce825fb9367d31d02b1d2710.0.19041.546 (WinBuild.160101.0800) · C:\Windows\SysWOW64\Taskmgr.exe · signed by Microsoft Windows
2cd93add1272e528e4d46a24f06cafe4dac90efdc509b49e168ea164be49580310.0.19041.1202 (WinBuild.160101.0800) · C:\Windows\system32\Taskmgr.exe · signed by Microsoft Windows
4e305198f15bafd5728b5fb8e7ff48d9f312399c744ecfea0ecac79d93c5e47810.0.19041.1202 (WinBuild.160101.0800) · C:\Windows\SysWOW64\Taskmgr.exe · signed by Microsoft Windows
4f5ce43a424f1970c3a4d53ebd57c158180f30d60c71db329ee9eac772ef3bfa10.0.19041.1 (WinBuild.160101.0800) · C:\Windows\SysWOW64\Taskmgr.exe · signed by Microsoft Windows
1ab19c256e8141381b16bd17a9673ca6f7802a21e0be11360aef8a01a8cdf9ea10.0.19041.1 (WinBuild.160101.0800) · C:\Windows\system32\Taskmgr.exe · signed by Microsoft Windows
83c76db0cc6940e9c653f346a560090be2b782168b3e04ad8bbac791d33272fa10.0.19041.1 (WinBuild.160101.0800) · C:\Windows\system32\Taskmgr.exe · signed by Microsoft Windows
9095106c3229e14fb7f2b61f45abf93e9b51f0cdab4540b5e8fb9df1ea399ed410.0.18362.693 (WinBuild.160101.0800) · C:\WINDOWS\SysWOW64\Taskmgr.exe · signed by Microsoft Windows
f7610c1d3eb0462c38982c2aaf48a1fc5dedb73131651eaf3ed3a0ef45ec1b1d10.0.18362.1 (WinBuild.160101.0800) · C:\WINDOWS\system32\Taskmgr.exe · signed by Microsoft Windows
0af6b3f8628e38b1551ec76277e482f8a2605b661f57c164c47acebb14b1a81b10.0.17763.1075 (WinBuild.160101.0800) · C:\Windows\SysWOW64\Taskmgr.exe · signed by Microsoft Windows
b24f923d5a76b34b519f1065c6fbb533f2e52a372a2aec2f844bc3f1540a1dd510.0.17763.1 (WinBuild.160101.0800) · C:\Windows\system32\Taskmgr.exe · signed by Microsoft Windows
8a6b7bce25506a2d7b2b4449404cc312794051db3aa1bb964cdac956e930cad56.3.9600.16384 (winblue_rtm.130821-1623) · C:\windows\system32\Taskmgr.exe · signed by Microsoft Windows
ccd091f425bb9b09da3e293e33385786f1c9157dcde60cf774fc55530760f5376.3.9600.16384 (winblue_rtm.130821-1623) · C:\windows\SysWOW64\Taskmgr.exe · signed by Microsoft Windows
de72dcb5e14f7d6a4b3e55b273a10a16c6de77dbb7a6f8575ea14e52aa58583c1, 0, 0, 1 · C:\Windows\SysWOW64\Taskmgr.exe · signed by Microsoft Windows
4100f871176efaa670405c7804a5abc05e22539135a69da811e5ca869c7579fd1, 0, 0, 1 · C:\Windows\system32\Taskmgr.exe · signed by Microsoft Windows
4c18494b7e20c8cfff308b5196f10d4c14cd81579ec14ed53013d05f54a7f5a4From 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 Taskmgr.exe in 10 rules in all, for every kind of event; these are the process creation rules CmdID evaluates.