Threat Outbreak Alert RuleID22191: Email Messages Distributing Malicious Software on April 13, 2016

Medium

Alert ID:

44643

First Published:

2016 April 13 19:00 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 (RuleID22191) may contain the following files:

Name	Size in Bytes	MD5 Checksum
Nota_Fiscal_RE845185.vbs
9,506
0x0D69051ABBD4D6E4FD5C2E5E1B226BC6

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

> Subject: =?UTF-8?Q?Notifica=C3=A7=C3=A3o e emiss=C3=A3o de Nota Fiscal Eletr=C3=B4nica?=

Message Body:

JBS Notificação e emissão de Nota Fiscal Eletrônica:
Emitente…: JBS S/A
CPF/CNPJ…: 02.916.265/0001-60
Número…: 21458776632478
Série…: 2545875678711
Chave de acesso: 8904325748398453705
Esta conta de e-mail é destinada exclusivamente para envio e recepção de arquivos XML da Nota Fiscal Eletrônica:.
Qualquer outro conteúdo será automaticamente descartado.
Inconformidades com esta mensagem deverão ser tratadas através do e-mail [email protected].
Fale conosco hxxp://www2.jbs.com.br/FaleConosco.aspx
125781236782-procnfe.xml
15 KB Visualizar Download
06/04/2016
[email protected]
1b750764c2df4e0e89d4d96cec149bb7

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-April-13 19:00 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