New Golang Botnet Drains Windows Users’ Cryptocurrency Wallets

A new Golang-based botnet has been ensnaring hundreds of Windows PCs, each time its operators launch a new command and control (C2) server. This previously undiscovered botnet, dubbed Kraken by ZeroFox researchers in October 2021, utilizes the SmokeLoader backdoor and malware downloader to proliferate to new Windows systems. 

The botnet adds a new Registry key after compromising a new Windows device in order to accomplish persistence across system restarts. It also includes a Microsoft Defender exclusion to assure that its installation directory is never examined, and use the hidden attribute to hide its binary in Window Explorer. 

Kraken has a basic feature set that allows attackers to download and run additional malicious payloads on infected devices, such as the RedLine Stealer malware. RedLine is the most extensively used data thief, capable of gathering victims’ passwords, browser cookies, credit card information, and cryptocurrency wallet information. 

ZeroFox stated, “Monitoring commands sent to Kraken victims from October 2021 through December 2021 revealed that the operator had focused entirely on pushing information stealers – specifically RedLine Stealer. It is currently unknown what the operator intends to do with the stolen credentials that have been collected or what the end goal is for creating this new botnet.” 

The botnet, however, has built-in data-stealing skills and can steal crypto

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