Threat Outbreak Alert RuleID31442: Email Messages Distributing Malicious Software on November 24, 2017

Medium

Alert ID:

56047

First Published:

2017 November 27 13:16 GMT

Version:

1

Summary

• Cisco Security has detected significant activity related to spam email messages distributing malicious software.

Email messages that are related to this threat (RuleID31442) may contain the following files:

Name	Size in Bytes	MD5 Checksum
proof of payment.GZ / proof of payment.exe
925,184
0xEF4F77AADF49E4fA5A587D4F9DF83349

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

> Subject:RE: Payment Copy.

Message Body:

Dear Sir, Please find attached file to see payment confirmation for balance payment. We have been trying to send the copy to your colleague but the email keeps returning back. Please advice status of shipment and also inform us if you have courier the Original Documents. My best regards

Cisco security appliances can help protect customers during the critical period between the first exploit of a virus outbreak and the release of vendor antivirus signatures. Cisco Web Security Appliances help secure and control web and email traffic by offering layers of malware protection. Cisco security appliances are automatically updated to help prevent both spam email and hostile web URLs from being passed to the end user.

Revision History

* Version	Description	Section	Date
1	Initial release to report significant activity detected by Cisco Security on November 24, 2017.	—	2017-November-27
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