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@msuiche | |||||
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A patched (non recompiled) variant with *NO* kill-switch is out there too. Patched jump and zeroed the URL. See screenshots below. #WannaCry pic.twitter.com/RliIRigXwH
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Matt Suiche
@msuiche
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May 14 |
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Thanks to @craiu for sharing the 07c44729e2c570b37db695323249474831f5861d45318bf49ccf5d2f5c8ea1cd hash.
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Mitja Kolsek
@mkolsek
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May 14 |
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Puzzled as to why was "jnz $+2" in the original code. Looks like a placeholder for patching out the kill switch.
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Costin Raiu
@craiu
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May 14 |
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that is the patched code, not the original one. The original was 75 15 hex.
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R0bert R0senb0rg
@drProct0r
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May 14 |
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isn't this some testing version that a researcher patched to use after sinkholing killswitch?
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Mitja Kolsek
@mkolsek
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May 14 |
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Oh, that makes sense.
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Mark Steward
@marksteward
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May 14 |
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Ugh. And given the number of historic builds out there, the person who did this is unlikely very to be the malware author.
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# malware mapper #
@Thoughtskiller1
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May 14 |
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Is it spreading wild or just for testing purpose ?
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Aaron Shelmire
@AShelmire
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May 14 |
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Mark Steward
@marksteward
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May 14 |
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Is that version viable? The payload looks different and doesn't have a zip directory.
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Aaron Shelmire
@AShelmire
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May 14 |
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while it may be a testing version, think of how many sandboxes pull files from virustotal and run them in the wild, leading to spread
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Thanh Bình
@binhcms
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May 14 |
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How you can do that ? I would like to help
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R0bert R0senb0rg
@drProct0r
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May 14 |
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I know,that's why researchers should be careful and use patched versions only in a way it can't spread,definitely not upload to VT or SBox
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Adam
@_xpn_
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May 14 |
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Are the bitcoin addresses the same, or have they been changed?
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GalBit
@Gal_B1t
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May 14 |
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Legit malware development process :D
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R0bert R0senb0rg
@drProct0r
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May 14 |
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this thead sums it up: twitter.com/hacks4pancakes…
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Aaron Shelmire
@AShelmire
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May 14 |
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agree, but it's on vt since 90 minutes ago: virustotal.com/en/file/07c447…
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mndg
@m_ndingo
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May 14 |
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What is now in the #worm resources? The same #ransomware?
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Mark Steward
@marksteward
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May 14 |
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That payload has two parents virustotal.com/en/file/2584e1… and this is the difference between them pastebin.com/JhiJGiGU
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