Threat Outbreak Alert RuleID21523: Email Messages Distributing Malicious Software on March 9, 2016

Medium

Alert ID:

43976

First Published:

2016 March 9 18:55 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 (RuleID21523) may contain the following files:

Name	Size in Bytes	MD5 Checksum
Comprovante.zip / Comprovante.exe
378,880
0x0F91B1D4F338C7B967AACBB046924E5D

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

> Subject: Caution-External: Seu pedido foi aprovado (37653)

Message Body:

Caro(a) usuário(a),
Pela prestação do serviço das casas bahia, segue abaixo o
endereço para a emissão da Nota Fiscal eletrônica.
Produto: Iphone 6 s
Valor: R$ 4399,00
Para emitir a NF-e, acesse o link abaixo:
&nb sp;
Emitir nota Fiscal
Ou, se preferir, baixa o seu comprovante abaixo :
Nota Fiscal
NF-e: 18399249
Cód. verificação: HLEEHQL6
CNPJ NIC.br: 05.506.560/0001-36
Em caso de de dúvidas, leia nossa documentação:
casabahia.com.br
Atenciosamente,
[email protected]

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 18:55 GMT
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