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AllaKore RAT: Malware Target Mexican Banks and Crypto Platforms


Mexican financial institutions are suffering attacks by a new spear-phishing campaign, spreading a modified version of an open-source remote access trojan named ‘AllaKore RAT’.

The activity was attributed by the BlackBerry Research and Intelligence Team to an unidentified financially motivated threat actor operating in Latin America. The campaign has been active since 2021, at least.

"Lures use Mexican Social Security Institute (IMSS) naming schemas and links to legitimate, benign documents during the installation process," the Canadian company said in an analysis published earlier this week. "The AllaKore RAT payload is heavily modified to allow the threat actors to send stolen banking credentials and unique authentication information back to a command-and-control (C2) server for the purposes of financial fraud."

The attacks are specifically intended to target big businesses with annual sales of more than $100 million. Retail, agriculture, the public sector, manufacturing, transportation, commercial services, capital goods, and banking are among the industries targeted.

The attack begins with a ZIP file that is either distributed through phishing emails or a drive-by compromise. This file contains an MSI installer file that launches a.NET downloader, which verifies the victim's geolocation in Mexico and retrieves the modified AllaKore RAT, a Delphi-based RAT that was first discovered in 2015.

"AllaKore RAT, although somewhat basic, has the potent capability to keylog, screen capture, upload/download files, and even take remote control of the victim's machine," BlackBerry said.

An additional feature added to the malware comprises support for commands from the threat actors regarding banking frauds, targeting banks and crypto trading platforms, launching a reverse shell, extracting clipboard content, and fetching and executing additional payloads.

The campaign's use of Mexico Starlink IPs and the insertion of Spanish-language instructions to the modified RAT payload provide the threat actor with ties to Latin America. Moreover, the lures used are only effective for businesses big enough to submit reports directly to the Department of the Mexican Social Security Institute (IMSS).

"This threat actor has been persistently targeting Mexican entities for the purposes of financial gain[…]This activity has continued for over two years, and shows no signs of stopping," the company stated.

This research comes with a report by IOActive, revealing it has discovered three vulnerabilities (CVE-2024-0175, CVE-2024-0176, and CVE-2024-0177) in the Lamassu Douro bitcoin ATMs that might provide physical access to an attacker the ability to take complete control of the machines and steal user data.