FLTLDR.EXE
Microsoft Filter Loader file version info
Program on Windows 1 known copy with hashes 3 Sigma rules name it
Is it the real FLTLDR.EXE?
Installed in
C:\Program Files (x86)\Microsoft Office\root\vfs\ProgramFilesCommonX86\Microsoft Shared\OFFICE16\Signed byMicrosoft Corporation
ProductMicrosoft Office, Microsoft Corporation
DescriptionMicrosoft Filter Loader
1 known copy
16.0.12527.20474 · C:\Program Files (x86)\Microsoft Office\root\vfs\ProgramFilesCommonX86\Microsoft Shared\OFFICE16\FLTLDR.EXE · signed by Microsoft Corporation
e01b57219524bc8864c587543b3cc3954f608fc118cfd327916e92f6774bfbe5From the file’s version info and the copies 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. In Ceplin, "<sha256>".whatis() says which known copy a hash is.
What detects it
Sigma names FLTLDR.EXE in 3 rules in all, for every kind of event; this is the process creation rule CmdID evaluates.