ChrisJohn86
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Researchers from Positive Technologies have just discovered a campaign known as SteganoArmor, which has shaken up the Latin American cybersecurity landscape. This sophisticated attack vector uses steganography, a unique technique for concealing malicious payloads within relatively harmless files, rendering traditional email security measures ineffective.
The threat actor behind SteganoArmor, TA558, is behind a wave of phishing emails containing Microsoft Word and Excel files across the region. These files use a seven-year-old vulnerability, CVE-2017-1182, to infiltrate unsuspecting victims' systems. Cybercriminals use compromised SMTP servers to avoid further detection and distribute malicious payloads.
What exactly happens when the malicious files are opened? A Visual Basic Script is executed, which sets off a chain of events that results in installing various malware variants. SteganoArmor unleashes a wide range of threats, including data-stealing behemoths like LokiBot and AgentTesla and invasive remote-access Trojans like Remcos and XWorm.
Latin American organizations have endured most of these attacks, with over 320 incidents reported so far. However, the campaign's global reach highlights the importance of vigilance among all users. To protect against such threats, be cautious when handling email attachments and keep software, particularly Microsoft Office, up to date.
The threat actor behind SteganoArmor, TA558, is behind a wave of phishing emails containing Microsoft Word and Excel files across the region. These files use a seven-year-old vulnerability, CVE-2017-1182, to infiltrate unsuspecting victims' systems. Cybercriminals use compromised SMTP servers to avoid further detection and distribute malicious payloads.
What exactly happens when the malicious files are opened? A Visual Basic Script is executed, which sets off a chain of events that results in installing various malware variants. SteganoArmor unleashes a wide range of threats, including data-stealing behemoths like LokiBot and AgentTesla and invasive remote-access Trojans like Remcos and XWorm.
Latin American organizations have endured most of these attacks, with over 320 incidents reported so far. However, the campaign's global reach highlights the importance of vigilance among all users. To protect against such threats, be cautious when handling email attachments and keep software, particularly Microsoft Office, up to date.