Have you tried DumpIt from MoonSols Windows Memory Toolkit 2.0 ?
On Saturday, November 9, 2013, Nouman Zia wrote:
  Hi,
 I am using winpmem 1.3.1 for imaging in volatility but whenever I tried to
 use any of feature of winpmem it gives
 error: "Cannot open SCM? Are you administrator"
 Where as I don't have any administrative passwords... So how can I solve
 this issue...???
 
--
Matthieu Suiche