AsIO64.sys
AsIO3 Driver file version info
Driver on Windows LOLDrivers vulnerable driver 1 Sigma rule names it
A known vulnerable driver
T1068Exploitation for Privilege Escalation
2 known samples
841335eeb6af68dce5b8b24151776281a751b95056a894991b23afae80e9f33bb48a309ee0960da3caaaaf1e794e8c409993aeb3a2b64809f36b97aac8a1e62aFrom 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 AsIO64.sys?
ProductAsIO3, Asustek Computer Inc.
DescriptionAsIO3 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.
What detects it
Sigma names AsIO64.sys in 1 rule, for every kind of event; none is a process creation rule CmdID evaluates, so none is listed.