Fake Fax Message Notification Email Messages on January 27, 2014

hreat Outbreak Alert

Threat Outbreak Alert: Fake Fax Message Notification Email Messages on January 27, 2014

Threat Type: IntelliShield: Threat Outbreak Alert IntelliShield ID: 32583 Version: 1 First Published: 2014 January 27 18:23 GMT Last Published: 2014 January 27 18:23 GMT Port: Not available Urgency: Possible use Credibility: Confirmed Severity: Mild Damage   Version Summary: Cisco Security Intelligence Operations has detected significant activity on January 27, 2014.   Description   Cisco Security Intelligence Operations has detected significant activity related to spam email messages that claim to contain a fax message notification for the recipient. The text in the email message attempts to convince the recipient to open a link to view the fax online. However, the link contains a .zip file containing a malicious .pif file that, when executed, attempts to infect the system with malicious code. Email messages that are related to this threat (RuleID8638) may contain the following files: pdf_efax_6023994799.zip pdf_efax_6023994799.pif The pdf_efax_6023994799.pif file in the pdf_efax_6023994799.zip archive has a file size of 324,409 bytes. The MD5 checksum, which is a unique identifier of the executable, is the following string: 0xB15AE6219BA6DC4007F69D5BB4B5EDE3 The following text is a sample of the email message that is associated with this threat outbreak: Message Body: Fax Message [Caller-ID: 602-399-4799] You have received a 1 page fax at 2014-01-27 05:45:20 CDT. * The reference number for this fax is min1_did13-1329191075-6023994799-49. View this fax online, on our website : hxxp://www.efax.com/fax/fax_view.aspx?fax_id=6023994799 Please visit www.eFax.com/en/efax/twa/page/help if you have any questions regarding this message or your service. Thank you for using the eFax service! Cisco Security Intelligence Operations analysts examine real-world email traffic data that is collected from over 100,000 contributing organizations worldwide. This data helps provide a range of information about and analysis of global email security threats and trends. Cisco will continue to monitor this threat and automatically adapt systems to protect customers. This report will be updated if there are significant changes or if the risk to end users increases. Cisco security appliances protect customers during the critical period between the first exploit of a virus outbreak and the release of vendor antivirus signatures. Email that is managed by Cisco and end users who are protected by Cisco Web Security Appliances will not be impacted by these attacks. Cisco security appliances are automatically updated to prevent both spam email and hostile web URLs from being passed to the end user. Related Links Cisco Security Intelligence Operations Cisco SenderBase Security Network   Alert History   Initial Release Product Sets   The security vulnerability applies to the following combinations of products. Primary Products: IntelliShield Threat Outbreak Alert Original Release Base Associated Products: N/A