Threat Outbreak Alert RuleID23566: Email Messages Distributing Malicious Software on July 7, 2016

Medium

Alert ID:

46798

First Published:

2016 June 22 15:22 GMT

Last Updated:

2016 July 8 12:20 GMT

Version:

4

Summary

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

Email messages that are related to this threat (RuleID23566) and (RuleID23566KVR) may contain the following files:

Name	Size in Bytes	MD5 Checksum
NFeletronica.jar
8,196
0xF3C6BDFB49C4A6C0D71E118079F4B5C0

NFeletronica.jar | 9,601
| 0x4304439D7C5ABB9BC2671EDFECD4680F

NFeletronica.jar | 8,490
| 0x227F748F5B1D1171F18F76AA9F899368

NFeletronica.jar | 7,880
| 0x33AFE4CED17226BFB4BB878F44764D71

NFeletronica.jar | 7,817
| 0xD6CA5E0C57B52EFF93F87A670235D111

NFeletronica.jar | Not Available | 0x4DE389552E684A2FD01A43882DF259D0

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

> Subject: Produtos enviados com sucesso 20/06/2016 17:47:45

Message Body:

Prezado(a) Cliente,
Seu pedido nº 00069273 realizado em 17/06/2016 09:32 foi entregue à transportadora.
Você receberá seu(s) produto(s) até o dia 24/06/2016.
Segue em anexo a Nota Fiscal Eletrônica nº 214894
Dois Irmãos Comércio e Representação LTDA.

Or

> Subject:**Pedido encaminhado. 28/06/2016 12:42:36 **
Message Body:

**Prezado(a) Cliente,
Seu pedido nº 00069273 realizado em 27/06/2016 09:32
foi entregue à transportadora. Você receberá seu(s)
produto(s) até o dia 04/07/2016. Segue em anexo a
Nota Fiscal Eletrônica nº 00004475 Dois Irmãos
Comércio e Representação LTDA.
**

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
4	Cisco Security has detected significant activity on July 7, 2016.		2016-July-08 12:20 GMT
3	Cisco Security has detected significant activity on June 24, 2016.		2016-June-27 13:35 GMT
2	Cisco Security has detected significant activity on June 22, 2016.		2016-June-23 12:05 GMT
1	Cisco Security has detected significant activity on June 22, 2016.		2016-June-22 15:22 GMT
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