Threat Outbreak Alert RuleID11562: Email Messages Distributing Malicious Software on September 15, 2014

Medium

Alert ID:

35720

First Published:

2014 September 15 14:54 GMT

Last Updated:

2014 September 16 12:42 GMT

Version:

2

Summary

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

Email messages that are related to this threat (RuleID11562 and RuleID11562KVR ) may contain the following files:

Name	Size in Bytes	MD5 Checksum
invc_2014-09-15_15-07-11_2071218.arj / invc_2014-09-10_15-07-11_992303882.exe
112,314
0x26B198223E54CD36A8CA971B82A86D3A

invc_2014-09-15_15-07-11_8466413.zip / invc_2014-09-15_15-07-11_999004882.exe | 112,314 | 0x171964DF131F80B9539AE742FDD0E734

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

> Message Body:

**Morning,
I was hoping to hear from you by now. May I have payment on invoice #84819995669 today please, or would you like a further extension?
Best regards,
Mauro Reddin
+07843 329907
**

Or

> Subject: Overdue invoice #8466413

Message Body:

Morning,
I was hoping to hear from you by now. May I have payment on invoice #84819995669 today please, or would you like a further extension?
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.

Related Links
Cisco Security
Cisco SenderBase Security Network

Revision History

* Version	Description	Section	Date
2	Cisco Security has detected significant activity on September 15, 2014.		2014-September-16 12:42 GMT
1	Cisco Security has detected significant activity on September 15, 2014.		2014-September-15 14:54 GMT
Show Less

---

Legal Disclaimer

• THIS DOCUMENT IS PROVIDED ON AN “AS IS” BASIS AND DOES NOT IMPLY ANY KIND OF GUARANTEE OR WARRANTY, INCLUDING THE WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR USE. YOUR USE OF THE INFORMATION ON THE DOCUMENT OR MATERIALS LINKED FROM THE DOCUMENT IS AT YOUR OWN RISK. CISCO RESERVES THE RIGHT TO CHANGE OR UPDATE ALERTS AT ANY TIME.

A standalone copy or paraphrase of the text of this document that omits the distribution URL is an uncontrolled copy and may lack important information or contain factual errors. The information in this document is intended for end users of Cisco products