Posts Categorized: Trojans


Bogus IRS ‘Your tax return appeal is declined’ themed emails lead to malware

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In March 2012, we intercepted an IRS themed malicious campaign that was serving client-side exploits to prospective victims in an attempt to drop malware on the affected hosts. This week, we intercepted three consecutive campaigns using the exact same email template used in the March campaign. What has changed? Are the cybercriminals behind these campaigns relying on any new tactics, or are they basically sticking to well proven techniques to infect tens of thousands of socially engineered users? Let’s find out. More details:

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Cybercriminals spamvertise bogus eFax Corporate delivery messages, serve multiple malware variants

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Cybercriminals are currently mass mailing millions of emails trying to trick recipients into executing malicious attachments pitched as recently arrived fax messages. Upon running the malicious executables, users are exposed to a variety of dropped malware variants in a clear attempt by the cybercriminals to add additional layers of monetization to the campaign. More details:

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Bogus Better Business Bureau themed notifications serve client-side exploits and malware

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Cybercriminals are currently spamvertising millions of emails impersonating the Better Business Bureau (BBB), in an attempt to trick users into clicking on a link to a non-existent report. Upon clicking on the link, users are exposed to the client-side exploits served by the latest version of the Black Hole Exploit Kit. More details:

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‘PayPal Account Modified’ themed emails lead to Black Hole Exploit Kit

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A cybercriminal/group of cybercriminals that’s been responsible for a series of malware attacks that I’ve been recently profiling, continues to systematically rotate the impersonated brands and the actual malicious payload dropped by the market leading Black Hole Exploit Kit. The prospective target of their latest campaign? PayPal users. More details:

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‘American Express Alert: Your Transaction is Aborted’ themed emails serve client-side exploits and malware

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American Express cardholders, beware! Over the past week, cybercriminals mass mailed millions of emails impersonating American Express, in an attempt to trick its customers into clicking on the malicious links found in the emails. Upon clicking on any of the links, users are redirected to a malicious URL serving cllient-side exploits courtesy of the Black Hole Exploit Kit. More details:

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‘Payroll Account Holded by Intuit’ themed emails lead to Black Hole Exploit Kit

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Intuit users, beware! Cybercriminals are currently mass mailing millions of emails impersonating Intuit’s Direct Deposit Service, in an attempt to trick its users into clicking on the malicious links found in the legitimate-looking emails. Upon clicking on any of them, users are exposed to the client-side exploits served by the latest version of the Black Hole Exploit Kit. More details:

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‘Your Discover Card Services Blockaded’ themed emails serve client-side exploits and malware

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Cybercriminals are currently spamvertising millions of emails impersonating Discover, in an attempt to trick cardholders into clicking on the client-side exploits serving URLs found in the malicious emails. Upon clicking on the links, users are exposed to the client-side exploits served by the latest version of the Black Hole Exploit Kit. More details:

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‘Fwd: Scan from a Xerox W. Pro’ themed emails lead to Black Hole Exploit Kit

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On a periodic basis, malicious cybercriminals spamvertise millions of emails attempting to trick end users into thinking that they’ve received a scanned document. Upon clicking on the links found in these emails, or viewing the malicious .html attachment, users are automatically exposed to the client-side exploits served by the latest version of the Black Hole Exploit Kit. In this post, I will profile two currently circulating malicious campaigns. The first is mimicking a Xerox Pro printer, and the second is claiming to be a legitimate Wire Transfer. Both of these campaigns point to the same client-side exploits serving URL, indicating […]

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USPS ‘Postal Notification’ themed emails lead to malware

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Cybercriminals are currently mass mailing millions of emails impersonating The United States Postal Service (USPS), in an attempt to trick its customers into downloading and executing the malicious .zip archive linked in the bogus emails. Upon execution, the malware opens a backdoor on the affected host, allowing the cybercriminals behind the campaign to gain complete control over the host. More details:

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‘ADP Immediate Notification’ themed emails lead to Black Hole Exploit Kit

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Newsflash, the cybercriminals behind the recently profiled malicious campaign impersonating Bank of America, launched yet another massive spam campaign, this time targeting ADP customers. Upon clicking on the link found in the malicious email, users are exposed to the client-side exploits served by the latest version of the Black Hole Exploit Kit. More details:

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