Threat Outbreak Alert RuleID21550: Email Messages Distributing Malicious Software on March 9, 2016

Medium

Alert ID:

43957

First Published:

2016 March 9 15:21 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 (RuleID21550 and RuleID21550KVR) may contain the following files:

Name	Size in Bytes	MD5 Checksum
Nfe_PROC__40387486.zip / Nfe_PROC__.jar
2,281
0x75EE45988E2879FF8C2033D4EAF4CFCF

NFe-15373.zip / NFe-15373.jar
| 2,281 | 0x7150AF2C0D3ADF9C18F6E6F591F4D218

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

> Subject: GLOBAL COM REP E SERVIÇOS LTDA

Message Body:

GLOBAL COM REP E SERVIÇOS LTDA

Or

> Subject: Pedido Enviado

Message Body:

Prezado(a) Cliente, [email protected]
Seu pedido nº 5475490204 realizado em 03/03/2016 13:30 foi entregue à transportadora.
Você receberá seu(s) produto(s) até o dia 09/03/2016.
Segue em anexo a Nota Fiscal Eletrônica nº 15373
Grafica e Livraria Alvorada Ltda.
Web Bug from hxxp://registra.sordx.com.br/contabiliza-5475490204?111159203-mnxw78db4rxA1ytsnftwczdbnvAx25lnfzxx2zz4mjz1

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
1	Initial Release		2016-March-09 15:21 GMT
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