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Mimikatz Defenses; LibreOffice Vulnerability; Firefox 65 And HTTPS AV Scanning

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SANS Daily Network Security Podcast (Stormcast) for Wednesday, February 6th 2019

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New Files detected related to [[ LuckyCat ]] Malware Campaign !!!

According to: Cisco Talos recently observed a malware campaign delivering a malicious Microsoft PowerPoint document using a mailing list. We also observed new malware delivered through mail communications from mail sender: "v.bernadskaya@ethnosafe.com" to multiple users. Security Team expects that those people affected with such malicious mail have been registered before in in-trusted websites which make them victims to such attacks. Malicious files detected which has been found were with multiple names like: ”Offer for approval.doc”.
The difference between this campaign detected by us and which reported by CISCO Talos is these all files were .doc not power point files but they meet in point that both campaigns abuses CVE-2017-0199 but this file threat actor was VBA_MACRO which considered the main threat actor in most mail campaign containing Microsoft files.

CVE-2017-0199 which affect most MS office from 2007-2016, Microsoft Windows Vista SP2, Windows Server 2008 SP2, Windows 7 SP1 and Windows 8.1. This vulnerability allow remote attackers to execute arbitrary code via a crafted document,
aka "Microsoft Office/WordPad Remote Code Execution Vulnerability w/Windows API.

These URLs: "hxxp://" as GET request and "hxxp://changdeacorp.com/finet/leotuyy/fre.php" as POST were detected in C' communications from infected machines, then download files like: "996E.exe" "dio.zip".
We noticed also PowerShell call and executing multiple queries like this value:
"\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\ComputerName\ActiveComputerName\"ComputerName" ".
There are multiple attempts to open admin directories like this one: "C:\Users\admin\AppData\Local\Temp\" and creating multiple file like: unjl3fxo.k5p.psm1 and ajpaqbyx.i25.ps1.

Indicators of compromise:




Posted by MoNour on Wed Feb 06 2019, 22:08

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