Brazilian bank app users targeted by CHAVECLOAK phishing attack

Mar 12 2024

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Welcome to Gone Phishing, your daily cybersecurity newsletter thatโ€™s radioactive in the fight against cybercrime like that cat in Japan ๐Ÿฑ๐Ÿฏ๐Ÿ™ƒ

Todayโ€™s hottest cybersecurity news stories:

  • ๐Ÿ† Brazilian bank app users targeted by CHAVECLOAK phishing attack ๐ŸŽฃ

  • ๐Ÿ˜ฑ Oh the humanity! First the beer and then the brew. Belgian beer, coffee targeted ๐ŸŽฏ

  • ๐Ÿฎ Beware! Fake Leather wallet app on Apple App Store is a crypto drainer ๐Ÿ’ธ

What do you call a yoboโ€™s dressing gown? His CHAVECLOAK ๐Ÿ˜ฌ๐Ÿ˜ฌ๐Ÿ˜ฌ

 

giphy.com

 

๐Ÿšจ New Banking Trojan CHAVECLOAK Targets Brazilian Users ๐Ÿ›ก๏ธ

Brazilian users are under attack from a sophisticated banking trojan named CHAVECLOAK, spread through phishing emails containing PDF attachments, according to Fortinet FortiGuard Labs.

๐Ÿ“ง The attack begins with PDF attachments posing as DocuSign contracts, prompting users to click on a button to “read and sign” documents. Instead, this leads to the download of a ZIP file containing an installer named “Lightshot.exe.”

๐Ÿ”’ The installer employs DLL side-loading techniques to load the CHAVECLOAK malware, which steals sensitive information. It monitors user activity on banking and cryptocurrency platforms, logging keystrokes, blocking screens, and displaying deceptive pop-ups.

๐Ÿ’ป Fortinet also discovered a Delphi variant of CHAVECLOAK, emphasizing the prevalence of Delphi-based malware in Latin America.

โš ๏ธ This threat emerges amidst an ongoing mobile banking fraud campaign across the U.K., Spain, and Italy, utilizing Android malware called Copybara via smishing and vishing tactics. Threat actors manage these attacks through a centralized web panel named “Mr. Robot.”

๐Ÿ” The sophistication of on-device fraud is on the rise, as seen in a TeaBot campaign infiltrating the Google Play Store. This emphasizes the critical need for heightened vigilance and security measures to combat evolving cyber threats targeting financial sectors and users globally.

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Stella attack lads! But itโ€™ll Costa ๐Ÿ˜

๐Ÿšจ Breendonk Village Hit by Second Cyberattack โšก

๐Ÿ”’ Following a recent cyberattack on Duvel Moortgat Brewery, the Belgian village of Breendonk faces another incident affecting local coffee roasters Koffie Beyers.

๐Ÿ‘ฎโ€โ™‚๏ธ Police have launched investigations into both incidents, with specialists from a computer crime unit on the scene. The proximity of the attacks, both in time and location, is striking, occurring within the same municipality less than a mile apart.

โ˜• Koffie Beyers, Belgium’s largest coffee roaster with operations across five countries, including Italy, is yet to clarify the extent of the impact. There’s no confirmation whether other facilities have been affected.

๐Ÿบ Duvel Moortgat Brewery, an international beer exporter, has halted production at its Belgian and U.S. sites due to the attack. However, assurances have been made about sufficient stock to meet consumer demand.

๐Ÿ” While investigations are underway separately, authorities will compare the incidents for potential similarities, emphasizing the seriousness of the situation and the need for heightened cybersecurity measures.

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Cryptonites get a leathering! ๐Ÿ’€

๐Ÿšจ Warning: Fake Leather Wallet App on Apple App Store ๐ŸŽ

๐Ÿ’ผ The developers of the Leather cryptocurrency wallet issue a caution regarding a counterfeit app on the Apple App Store, reportedly draining users’ digital assets.

๐Ÿ”’ Wallet drainers, as they’re called, deceive users into revealing secret passphrases or execute malicious transactions, enabling attackers to pilfer all digital assets, including NFTs and cryptocurrency.

๐Ÿ“ฑ Despite reports to Apple, the fake Leather app remains accessible on the App Store, posing a significant threat to unsuspecting users who may unknowingly input their passphrase, thereby risking asset loss.

๐Ÿ›ก๏ธ Leather advises affected users to swiftly transfer their cryptocurrency to a new wallet as a precautionary measure against potential asset drain. However, the malicious app persists despite warnings.

โš ๏ธ Notably, the fake app maintains a high rating and features seemingly fabricated user reviews, adding to its deceptive allure. Such incidents underscore the importance of vigilance when downloading apps and verifying their authenticity through official sources.

๐Ÿ”— For enhanced security, it’s advisable to access apps through links provided on official project websites, ensuring protection against potential threats.

Stay informed and stay safe!

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So long and thanks for reading all the phish!

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