cryptsp.dll
Cryptographic Service Provider API file version info
Library on Windows 2 known copies with hashes 2 Sigma rules name it
Is it the real cryptsp.dll?
Installed in
C:\Windows\system32\C:\Windows\SysWOW64\Signed byMicrosoft Windows
ProductMicrosoft Windows Operating System, Microsoft Corporation
DescriptionCryptographic Service Provider API
2 known copies
10.0.19041.1 (WinBuild.160101.0800) · C:\Windows\SysWOW64\cryptsp.dll · signed by Microsoft Windows
2de8b0bf7fb3d25a04df1fed0eeb3ee71a0e475ec849e600bcf0da3e2a3665fb10.0.19041.1 (WinBuild.160101.0800) · C:\Windows\system32\cryptsp.dll · signed by Microsoft Windows
7977761c03b3e89545dc51581b65cf166cae207de20dc14d9523c5389a8cb43aFrom 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 cryptsp.dll in 2 rules, for every kind of event; none is a process creation rule CmdID evaluates, so none is listed.