EIO.sys
ASUS VGA Kernel Mode Driver file version info
Driver on Windows LOLDrivers vulnerable driver 1 Sigma rule names it
A known vulnerable driver
T1068Exploitation for Privilege Escalation
4 known samples
1.97 · its entry
1fac3fab8ea2137a7e81a26de121187bf72e7d16ffa3e9aec3886e2376d3c7181.97 · its entry
cf69704755ec2643dfd245ae1d4e15d77f306aeb1a576ffa159453de1a7345cb1.97 · its entry
f4c7e94a7c2e49b130671b573a9e4ff4527a777978f371c659c3f97c14d126de1.96 · its entry
b17507a3246020fa0052a172485d7b3567e0161747927f2edf27c40e310852e0From 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 EIO.sys?
ProductASUS VGA Kernel Mode Driver, ASUSTeK Computer Inc.
DescriptionASUS VGA Kernel Mode 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 EIO.sys in 1 rule, for every kind of event; none is a process creation rule CmdID evaluates, so none is listed.