pmxdrv64.sys
Intel(R) Management Engine Tools Driver file version info
Driver on Windows LOLDrivers vulnerable driver
A known vulnerable driver
T1068Exploitation for Privilege Escalation
From 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 pmxdrv64.sys?
ProductIntel(R) Management Engine Tools Driver, Intel Corporation
DescriptionIntel(R) Management Engine Tools Driver
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.