Saturday, April 13, 2024

Beware of FlawedAmmyy RAT that Steals Credentials and Record Audio Chat

Attackers distributing FlawedAmmyy remote control rat trojan payloads through threat actor TA505 which is well known for distributing massive spam campaigns like Dridex banking Trojan, Locky ransomware, and Jaff ransomware.

The massive email campaign is on March 5 and 6, 2018 that contains zipped Url attachments that downloads and executes the javascript from attackers server.

Researchers from Proofpoint spotted the Email campaign and it was sent from spoofed email address subjected as “Receipt No 1234567” (random digits and first word could also be “Bill” or “Invoice”)” and matching attachments in the zip file.

The attached zip file contains .url files contains internet sites that launch default browser automatically, in this campaign attackers specified “file://” instead to HTTP://.

remote control rat

So, in this case, it directly downloads the file malicious via SMB instead of launching the browser. Then the Javascript downloads the Quant Loader which downloads the final payload FlawedAmmyy remote access trojan.

In a previous attempt on March 1 attackers distributed the FlawedAmmyy remote control rat trojan via office documents macros directly.

Also Read Android Rat – TheFatRat to Hack and Gain access to Targeted Android Phone

The FlawedAmmyy remote control rat trojan is based on the leaked source code of remote desktop support tool Ammyy Admin. FlawedAmmyy remote access trojan contains following functions

Remote Desktop control
File system manager
Proxy support
Audio Chat

Attackers abused the leaked source code of Ammyadmin v3 and developed the malicious FlawedAmmyy that compromise your computer, steal customer data, proprietary information, and more.


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Guru baran
Guru baran
Gurubaran is a co-founder of Cyber Security News and GBHackers On Security. He has 10+ years of experience as a Security Consultant, Editor, and Analyst in cybersecurity, technology, and communications.

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