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New variant of Konni malware used in campaign targetting Russia

2021-08-20, Malwarebytes
https://blog.malwarebytes.com/threat-intelligence/2021/08/new-variant-of-konni-malware-used-in-campaign-targetting-russia/
#Konni

Contents

This blog post was authored by Hossein Jazi
In late July 2021, we identified an ongoing spear phishing campaign pushing Konni Rat to target Russia. Konni was first observed in the wild in 2014 and has been potentially linked to the North Korean APT group named APT37.
We discovered two documents written in Russian language and weaponized with the same malicious macro. One of the lures is about the trade and economic issues between Russia and the Korean Peninsula. The other one is about a meeting of the intergovernmental Russian-Mongolian commission.
In this blog post we provide on overview of this campaign that uses two different UAC bypass techniques and clever obfuscation tricks to remain under the radar.
Attack overview
The following diagram shows the overall flow used by this actor to compromise victims. The malicious activity starts from a document that executes a macro followed by a chain of activities that finally deploys the …

IoC

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f702dfddbc5b4f1d5a5a9db0a2c013900d30515e69a09420a7c3f6eaac901b12
fccad2fea7371ad24a1256b78165bceffc5d01a850f6e2ff576a2d8801ef94fa
http://romanovawillkillyou.c1.biz
http://takemetoyouheart.c1.biz
http://taketodjnfnei898.c1.biz
http://taketodjnfnei898.c1.biz/dn.php?name=%UserName%&prefix=tt
http://taketodjnfnei898.c1.biz/up.php?name=%UserName%
http://taketodjnfnei898.ueuo.com