iscflashx64.sys
iscflashx64.sys file version info
Driver on Windows LOLDrivers vulnerable driver 1 Sigma rule names it
A known vulnerable driver
T1542Pre-OS Boot
2 known samples
5, 2, 1, 1 · its entry
ce0a4430d090ba2f1b46abeaae0cb5fd176ac39a236888fa363bf6f9fd6036d9c27b8b61991079fdb644e56c33a43f47beaafe9230caad16d35bee110a408098From 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 iscflashx64.sys?
ProductInsyde Flash Utility 64 bit Driver, Insyde Software
Descriptioniscflashx64.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 iscflashx64.sys in 1 rule, for every kind of event; none is a process creation rule CmdID evaluates, so none is listed.