OpenLibSys.sys
OpenLibSys 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
1.0.1.3 · its entry
f0605dda1def240dc7e14efa73927d6c6d89988c01ea8647b671667b2b1670081.0.0.2 · its entry
91314768da140999e682d2a290d48b78bb25a35525ea12c1b1f9634d14602b2cFrom 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 OpenLibSys.sys?
ProductOpenLibSys, OpenLibSys.org
DescriptionOpenLibSys
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 OpenLibSys.sys in 1 rule, for every kind of event; none is a process creation rule CmdID evaluates, so none is listed.