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Malware Analysis
Weird Results for this File
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<blockquote data-quote="upnorth" data-source="post: 1052787" data-attributes="member: 38832"><p>Where exact does this specific file come from/found = source?</p><p></p><p></p><p>Some of the data is a bit weird. The certificate looks manipulated:</p><p></p><p>[ATTACH=full]277791[/ATTACH]</p><p></p><p>but that does not automatic means, malicious. One have to compare it with a original " update " file from Dropbox main site. I was actually able to find the exact same version number that also have zero flags on VT, and where VT shows the signature correct/valid:</p><p></p><p>[URL unfurl="true"]https://www.virustotal.com/gui/file/5295cb12434a9cb1191e525a37bc1a78f0e08156891923196825c4dddeaa6360/details[/URL]</p><p></p><p>[ATTACH=full]277792[/ATTACH]</p><p></p><p>Same version number, but different Hash values. Even the compile date on these 2 files is exact the same, so that's weird. But the first submissions dates are different. Lets see what the original file from Dropbox url shows with the signature:</p><p></p><p>[ATTACH=full]277793[/ATTACH]</p><p></p><p></p><p>[ATTACH=full]277794[/ATTACH]</p><p></p><p>[ATTACH=full]277795[/ATTACH]</p><p></p><p>PE Header and the Overlay Hash is different. Also got some " appended " data.</p></blockquote><p></p>
[QUOTE="upnorth, post: 1052787, member: 38832"] Where exact does this specific file come from/found = source? Some of the data is a bit weird. The certificate looks manipulated: [ATTACH type="full" width="747px" alt="2023-08-12_10-49-56.png"]277791[/ATTACH] but that does not automatic means, malicious. One have to compare it with a original " update " file from Dropbox main site. I was actually able to find the exact same version number that also have zero flags on VT, and where VT shows the signature correct/valid: [URL unfurl="true"]https://www.virustotal.com/gui/file/5295cb12434a9cb1191e525a37bc1a78f0e08156891923196825c4dddeaa6360/details[/URL] [ATTACH type="full" width="423px" alt="2023-08-12_11-03-32.png"]277792[/ATTACH] Same version number, but different Hash values. Even the compile date on these 2 files is exact the same, so that's weird. But the first submissions dates are different. Lets see what the original file from Dropbox url shows with the signature: [ATTACH type="full" width="751px" alt="2023-08-12_11-13-45.png"]277793[/ATTACH] [ATTACH type="full" alt="2023-08-12_11-32-01.png"]277794[/ATTACH] [ATTACH type="full" alt="2023-08-12_11-32-25.png"]277795[/ATTACH] PE Header and the Overlay Hash is different. Also got some " appended " data. [/QUOTE]
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