Threat Outbreak Alert: Fake Fax Message Notification Email Messages on January 8, 2014

2014-01-08T19:54:10
ID CISCO-THREAT-32374
Type ciscothreats
Reporter Cisco
Modified 2014-01-08T19:54:10

Description

Medium

Alert ID:

32374

First Published:

2014 January 8 19:54 GMT

Version:

1

Summary

  • Cisco Security 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 the attachment to view the attached report. However, the .zip attachment contains a malicious .exe file that, when executed, attempts to infect the system with malicious code.

Email messages that are related to this threat (RuleID8403) may contain the following files:

> FAX_93-238738192_19.zip
FAX_93-238738192_19.exe

The FAX_93-238738192_19.exe file in the FAX_93-238738192_19.zip attachment has a file size of 14,336 bytes. The MD5 checksum, which is a unique identifier of the executable, is the following string: 0xCA2628B955CAC2C8B6BD9F8C4C504FA4

The following text is a sample of the email message that is associated with this threat outbreak:

> Subject: jConnect fax from "896-434-5797" - 21 page(s), Caller-ID: 896-434-5797

Message Body:

Fax Message [Caller-ID: 896-434-5797]
You have received a 21 page(s) fax at 2012-12-17 05:32:34 EST.
* The reference number for this fax is lax3_did19-1346293281-8904066673-11.
This message can be opened using your PDF reader. If you have not already installed j2 Messenger, download it for free: http://www.j2.com/downloads
Please visit hxxp://www.j2.com/help if you have any questions regarding this message or your j2 service.
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Cisco Security 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
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Revision History

  • Version | Description | Section | Date
    ---|---|---|---
    1 | Initial Release | | 2014-January-08 19:54 GMT
    Show Less

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