gdrv.sys
GIGABYTE Tools file version info
Driver on Windows LOLDrivers vulnerable driver 1 Sigma rule names it
A known vulnerable driver
https://www.loldrivers.io/drivers/613b8509-18c0-4720-b489-736776b6713e/
13 known samples
Show the 13 samples’ SHA-256 hashes
5.2.3790.1830 built by: WinDDK · its entry
17927b93b2d6ab4271c158f039cae2d60591d6a14458f5a5690aec86f5d542295.2.3790.1830 built by: WinDDK · its entry
31f4cfb4c71da44120752721103a16512444c13c2ac2d857a7e6f13cb679b4275.2.3790.1830 built by: WinDDK · its entry
6f1fc8287dd8d724972d7a165683f2b2ad6837e16f09fe292714e8e38ecd1e385.2.3790.1830 built by: WinDDK · its entry
88992ddcb9aaedb8bfcc9b4354138d1f7b0d7dddb9e7fcc28590f27824bee5c35.00.2195.1620 · its entry
cfc5c585dd4e592dd1a08887ded28b92d9a5820587b6f4f8fa4f56d60289259b5.00.2195.1620 · its entry
f4ff679066269392f6b7c3ba6257fc60dd609e4f9c491b00e1a16e4c405b0b9b1.1.0.1 · its entry
81aafae4c4158d0b9a6431aff0410745a0f6a43fb20a9ab316ffeb8c2e2ccac01.0.1.3 · its entry
133e542842656197c5d22429bd56d57aa33c9522897fdf29853a6d321033c7431.0.1.1 · its entry
092d04284fdeb6762e65e6ac5b813920d6c69a5e99d110769c5c1a78e11c5ba01.0.1.1 · its entry
0ce40a2cdd3f45c7632b858e8089ddfdd12d9acb286f2015a4b1b0c0346a572c1.0.0.5 · its entry
26c28746e947389856543837aa59a5b1f4697e5721a04d00aa28151a2659b0971.0.0.1 · its entry
8b92cdb91a2e2fab3881d54f5862e723826b759749f837a11c9e9d85d52095a21.0.0.1 · its entry
ff6729518a380bf57f1bc6f1ec0aa7f3012e1618b8d9b0f31a61d299ee2b4339From 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 gdrv.sys?
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 gdrv.sys in 1 rule, for every kind of event; none is a process creation rule CmdID evaluates, so none is listed.