Yeah the OS version / profile you're using would be helpful. Even more
helpful would be the ntoskrnl.exe file from the system's disk or even
dumped out of memory with moddump. At that point we can look at the
structures and see if anything changed with a recent patch, and that may
explain psscan not working.
The shimcache plugin pulls from the cached registry hives, which aren't
guaranteed to be cached. Can you check if all registry based plugins are
failing or is it just the shimcache plugin? For example, does hivelist
return any results? Either way, check out the shimcachememory plugin
from our community repo
https://github.com/volatilityfoundation/community/tree/master/ShimcacheMemo…
or the author's repo
https://github.com/fireeye/Volatility-Plugins/tree/master/shimcachemem
(it's the same version in both places). This plugin pulls from the RAM
cache, which is a more reliable method given a memory dump.
MHL
On 5/31/16 5:29 PM, Bridgey theGeek wrote:
Hi Erika,
Which version of Windows are you analysing?
You say 'psscan' returns no results, how about pslist and psxview?
I would agree that psscan finding nothing is odd.
And how was the image acquired?
Let us know!
Adam
On 31 May 2016 at 21:38, Erika Noerenberg <erika.noerenberg(a)gmail.com
<mailto:erika.noerenberg@gmail.com>> wrote:
Hello all,
I am analyzing a memory dump and looking at execution in a period of
known bad activity, and have been able to gather quite a bit of
information using volatility. For some reason though, shimcache and
psscan return no results, although all the other plugins I've run
(and volshell) have worked fine. I find it hard to believe that
psscan for one can find no _EPROCESS structures, so I'm not sure
what's happening. Also, in the results from the timeliner, I have
several entries with blank shimcache entries like
"macb,---------------,0,0,0,"[SHIMCACHE] "" during times I can
correlate with shimcache entries on disk, so I know something is
just not being picked up.
Any ideas on why shimcache/psscan would produce no results? I'm not
sure about the best way to track down the reason.
Thanks!
Erika
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