Threat Response

Kaspersky GReAT experts discovered previously undocumented infection chains used in the Notepad++ supply chain attacks. The article provides new IoCs related to those incidents which employ DLL sideloading and Cobalt Strike Beacon delivery.

On January 20, Kaspersky solutions detected malware used in eScan antivirus supply chain attack. In this article we provide available information on the threat: indicators of compromise, threat hunting and mitigating tips, etc.

We analyze the network activity of the Mythic framework, focusing on agent-to-C2 communication, and use signature and behavioral analysis to create detection rules for Network Detection and Response (NDR) solutions.

Reports

Kaspersky researchers have discovered new Mirage Kitten attacks using previously undocumented malware families: NodeRabbit in Node.js and PollCat in JavaScript.

Our experts discovered a new CoolClient backdoor variant with a kernel-mode rootkit driver that hides malicious processes, files, and network connections from security tools and threat analysts.

Kaspersky experts break down a new Armored Likho campaign that poses as a fundraising efforts and delivers a new Still Toolkit aimed at stealing Telegram data and eavesdropping on victims.

Kaspersky researchers reveal previously undocumented malware attributed to Mirage Kitten (UNC1549, Smoke Sandstorm, Nimbus Manticore): NightLedger backdoor, ArcBridge, and BridgeHead tunneling tools.

Threat Response

The Notepad++ supply chain attack — unnoticed execution chains and new IoCs

Supply chain attack on eScan antivirus: detecting and remediating malicious updates

Hunting for Mythic in network traffic

Reports

Mirage Kitten targeting aviation and FinTech sectors across the Middle East and Africa with a new malware set

APT group HoneyMyte upgrades CoolClient: the backdoor gets a kernel-level Windows rootkit

Armored Likho expands its cyber-espionage toolkit

Mirage Kitten targets Middle East and Africa region with new malware