CupFixerx64.sys
Sincey Cup Fixer file version info
Driver on Windows LOLDrivers vulnerable driver 1 Sigma rule names it
A known vulnerable driver
T1068Exploitation for Privilege Escalation
1 known sample
32.0.10011.13337 · its entry
8c748ae5dcc10614cc134064c99367d28f3131d1f1dda0c9c29e99279dc1bdd9From LOLDrivers (Apache 2.0). A driver is known by its hash: a sample under another name is the same driver. In Ceplin, "<sha256>".whatis() says which sample a hash is.
Is it the real CupFixerx64.sys?
ProductWindows (R) Win 7 DDK driver, Windows (R) Win 7 DDK provider
DescriptionSincey Cup Fixer
From the file’s version info, as 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.
What detects it
Sigma names CupFixerx64.sys in 1 rule, for every kind of event; none is a process creation rule CmdID evaluates, so none is listed.