Threat Outbreak Alert RuleID21359: Email Messages Distributing Malicious Software on February 25, 2016

2016-02-25T16:58:31
ID CISCO-THREAT-43764
Type ciscothreats
Reporter Cisco
Modified 2016-02-26T13:26:28

Description

Medium

Alert ID:

43764

First Published:

2016 February 25 16:58 GMT

Last Updated:

2016 February 26 13:26 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 (RuleID21359 and RuleID21359KVR) may contain the following files:

Name | Size in Bytes | MD5 Checksum
---|---|---
Boleto_reemisao_2003164597845_632145789.zip / Boleto_reemisao_2003164597845_632145789.jar
| 10,299
| 0x432AD875F8B17BC8A1AD371DAF059EDD

Boleto_reemisao_2003164597845_632145789.zip / Boleto_reemisao_2003164597845_632145789.jar
| Not Available
| 0xED415CE61E81CA7CFE61101BC09CF3DC

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

> Subject: Reemisao de boleto vencido. 24/02/2016 10:41:10

Message Body:

Att.: Flavia Fontenelle Gerente Comercial.

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 February 25, 2016. | | 2016-February-26 13:26 GMT
    1 | Cisco Security has detected significant activity on February 25, 2016. | | 2016-February-25 16:58 GMT
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