HwRwDrv.sys
Hardware read & write driver file version info
Driver on Windows LOLDrivers vulnerable driver 1 Sigma rule names it
A known vulnerable driver
T1068Exploitation for Privilege Escalation
Its entrieshttps://www.loldrivers.io/drivers/81211b5b-36a7-41d6-a6e3-8e43cf7d0405/
https://www.loldrivers.io/drivers/e4609b54-cb25-4433-a75a-7a17f43cec00/
https://www.loldrivers.io/drivers/e4609b54-cb25-4433-a75a-7a17f43cec00/
2 known samples
1.0.6.0 · its entry
017933be6023795e944a2a373e74e2cc6885b5c9bc1554c437036250c20c3a7d1.0.5.0 · its entry
21ccdd306b5183c00ecfd0475b3152e7d94b921e858e59b68a03e925d1715f21From 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 HwRwDrv.sys?
ProductHardware read & write driver, Windows® winows 7 driver kits provider
DescriptionHardware read & write 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 HwRwDrv.sys in 1 rule, for every kind of event; none is a process creation rule CmdID evaluates, so none is listed.