Help to unpack malware

Discussion on reverse-engineering and debugging.
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Help to unpack malware

Post by Cyber_ » Tue Apr 02, 2013 12:13 pm


I would like to ask for my help. I can't unpack this malware. My result is only crash. (OEP: 0047FDB0)

Packer: Autoit Cryptor + UPX

Someone can help me?


pass: infected* ... 68de56e0f1

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Re: Help to unpack malware

Post by EP_X0FF » Tue Apr 02, 2013 12:42 pm

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Re: Help to unpack malware

Post by SomeUnusedName » Wed May 29, 2013 3:47 pm

What was the exact problem with unpacking the given binary?

It works as usual, catch the RunPE stuff (AutoIt used to create suspended process followed by ZwResumeThread), then follow into the new process, where it's simply UPX.

You obviously know both, so what went wrong?

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