CmdID / Files

wab32.dll

Microsoft (R) Contacts DLL file version info

Library on Windows 2 known copies with hashes 1 Sigma rule names it

Is it the real wab32.dll?

file version info and known copies

Installed inC:\Program Files (x86)\Common Files\System\
C:\Program Files\Common Files\System\

Signed byMicrosoft Windows

ProductMicrosoft Windows Operating System, Microsoft Corporation

DescriptionMicrosoft (R) Contacts DLL

2 known copies

10.0.19041.388 (WinBuild.160101.0800) · C:\Program Files (x86)\Common Files\System\wab32.dll · signed by Microsoft Windows

397b7e02e68ff73a572101008fcd0c112d865dd13edb6832aae047bee3ef4818

10.0.19041.388 (WinBuild.160101.0800) · C:\Program Files\Common Files\System\wab32.dll · signed by Microsoft Windows

c19070b2b39678d7abaea720b117fb6e255b240683798af1331173a7834e131c

From 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

Sigma names wab32.dll in 1 rule, for every kind of event; none is a process creation rule CmdID evaluates, so none is listed.