TcIo.sys
TwinCAT IO Server file version info
Driver on Windows LOLDrivers vulnerable driver
A known vulnerable driver
T1068Exploitation for Privilege Escalation
1 known sample
3.1.0.2104 · its entry
e0c58531501d6176ed0f632addca977616b0dab460f32f0a5909d21f828fc63bFrom 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 TcIo.sys?
ProductBeckhoff TwinCAT, Beckhoff Automation GmbH
DescriptionTwinCAT IO Server
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.