mtxmem.sys
Matrox Memory Manager (64-bit) file version info
Driver on Windows LOLDrivers vulnerable driver
A known vulnerable driver
T1068Exploitation for Privilege Escalation
1 known sample
10.50.0923.4242 · its entry
bd434c90eba514f5448978edb8b9fcd424f2e5cf3c0df9040efe5c25ec692dbcFrom 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 mtxmem.sys?
ProductMatrox® Imaging Library (MIL), Matrox Electronic Systems Ltd.
DescriptionMatrox Memory Manager (64-bit)
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.