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New Android Banking Trojan 'Crocodilus' Emerges as Sophisticated Threat in Spain and Turkey

The malware also targets cryptocurrency users with a unique social engineering strategy.

 

A newly identified Android banking malware named Crocodilus is making waves in the cybersecurity world, with experts warning about its advanced capabilities and targeted attacks in Spain and Turkey. Discovered by Dutch mobile security firm ThreatFabric, the malware represents a major leap in sophistication, emerging not as a prototype but as a fully-developed threat capable of device takeover, remote control, and stealth data harvesting through accessibility services. 

Unlike many early-stage banking trojans, Crocodilus comes armed with a broad range of functionalities from its inception. Masquerading as Google Chrome via a misleading package name ("quizzical.washbowl.calamity"), the malware bypasses Android 13+ restrictions and initiates its attack by requesting accessibility permissions. Once granted, it connects to a command-and-control (C2) server to receive a list of targeted financial applications and corresponding HTML overlays to steal login credentials. 

The malware also targets cryptocurrency users with a unique social engineering strategy. Instead of spoofing wallet login pages, it pushes alarming messages urging users to back up their seed phrases within 12 hours or risk losing access. This manipulative tactic prompts victims to expose their seed phrases, which are then harvested via accessibility logging—giving attackers full access to the wallets. 

Crocodilus operates continuously in the background, monitoring app launches, capturing screen elements, and even intercepting one-time passwords from apps like Google Authenticator. It conceals its malicious activity by muting sounds and deploying a black screen overlay to keep users unaware. Key features include launching apps, removing itself from devices, sending SMS messages, retrieving contacts, requesting device admin rights, enabling keylogging, and modifying SMS management privileges. The malware’s ability to dynamically update C2 server settings further enhances its adaptability. 

ThreatFabric notes that the malware’s sophistication, especially in its initial version, suggests a seasoned developer behind its creation—likely Turkish-speaking, based on code analysis. The emergence of Crocodilus underscores the evolving threat landscape of mobile banking malware, where adversaries are deploying complex and evasive techniques earlier in development cycles. In a related development, Forcepoint reported a separate phishing campaign using tax-themed emails to spread the Grandoreiro banking trojan in Latin America and Spain, indicating a broader uptick in banking malware activity across platforms and regions.
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