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Malware Analysis
Signed Sample(WISE CLEANER CERT) Bypassed ASR Rule
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<blockquote data-quote="Sandbox Breaker - DFIR" data-source="post: 1088977" data-attributes="member: 93976"><p>Signed Sample of SectopRat that passed ASR Rule (Block exe until file meets trust criteria) </p><p>The file is not signed properly and is using fake wise cleaner CERT. </p><p>I am worried how this file at the time was only was seen on 2 machine globally was allowed to run. </p><p></p><p></p><p>SHA 1: a15f053b71cda0497efdec08b4680267b936024d</p><p>Microsoft Claims file is SIgned by Lespeed (MAKER OF WISE CLEANER)</p><p>[ATTACH=full]283652[/ATTACH]</p><p>[ATTACH=full]283653[/ATTACH]</p><p></p><p>Xcitium at the time was able to block and contain it. File was deemed unknown at the time. So this signed trick did not work with xcitium </p><p>[ATTACH=full]283654[/ATTACH]</p></blockquote><p></p>
[QUOTE="Sandbox Breaker - DFIR, post: 1088977, member: 93976"] Signed Sample of SectopRat that passed ASR Rule (Block exe until file meets trust criteria) The file is not signed properly and is using fake wise cleaner CERT. I am worried how this file at the time was only was seen on 2 machine globally was allowed to run. SHA 1: a15f053b71cda0497efdec08b4680267b936024d Microsoft Claims file is SIgned by Lespeed (MAKER OF WISE CLEANER) [ATTACH type="full" width="658px"]283652[/ATTACH] [ATTACH type="full" width="306px"]283653[/ATTACH] Xcitium at the time was able to block and contain it. File was deemed unknown at the time. So this signed trick did not work with xcitium [ATTACH type="full" width="666px"]283654[/ATTACH] [/QUOTE]
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