vsstrace.dll
Microsoft Volume Shadow Copy Service Tracing Library file version info
Library on Windows 2 known copies with hashes 2 Sigma rules name it
Is it the real vsstrace.dll?
C:\Windows\system32\C:\Windows\SysWOW64\2 known copies
10.0.19041.1 (WinBuild.160101.0800) · C:\Windows\system32\vsstrace.dll · signed by Microsoft Windows
ac2138044e975a927b17a8dfff8b74297db2999eb4d6bc12822c592bf46c22ea10.0.19041.1 (WinBuild.160101.0800) · C:\Windows\SysWOW64\vsstrace.dll · signed by Microsoft Windows
fb432c7b1881c10c2ed2af5d6d0bc1f9642f948efea7c3f8bbf4ab2e291a4a4fFrom 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 vsstrace.dll in 2 rules, for every kind of event; none is a process creation rule CmdID evaluates, so none is listed.