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MalwarePublished Updated

PlugX Meeting Invitation via MSBuild and GDATA

Source AlienVault OTX General

0

Description

A recent PlugX campaign utilized phishing emails with a 'Meeting Invitation' lure to deploy malware through DLL side-loading. The infection chain begins with a zip file containing a malicious .csproj file and MSBuild executable. The .csproj file downloads three components: a legitimate G DATA Antivirus executable, a malicious Avk.dll (PlugX variant), and an encrypted AVKTray.dat file. The malware uses DLL side-loading, API hashing, and XOR encryption for obfuscation. It establishes persistence via the Run registry key and communicates with a command and control server. The campaign showcases PlugX's continued evolution while maintaining its core characteristics, highlighting its ongoing relevance in cyber-espionage operations.

Indicators of compromise

Domains 3

  • decoorat.net
  • decoraat.net
  • onedow.gesecole.net

Hashes 18

  • 381247c1d4c68a406237d7d3aa030930
  • 769687f93869a70511aac1ef7c752455
  • 7a75e713db41c28378e823322fdea0fd
  • 9f331a11a054f33664fe86543fc34cf0
  • e7cb954f4bbdbadbd2c0206577621683
  • 1151100a0aa1ed88f7897709444fd3b3b1044c10
  • 2336c9a20ecd53ec1be468282bae94c8160eb93a
  • ad833604d230b241e180950980ea462b3812f82a
  • d1a86ed06b18efef5ce724d2129cf1583b779b44
  • f06da8e29c3f0fafabfc3a524ae8b21730b57ed3

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