Threat Outbreak Alert RuleID21694: Email Messages Distributing Malicious Software on March 12, 2016

Medium

Alert ID:

44105

First Published:

2016 March 14 21:02 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 (RuleID21694) may contain the following files:

Name	Size in Bytes	MD5 Checksum
BOLETO_ASTRO160.z / BOLETO_ASTRO160.exe	Not Available	0x88F4812B572DA613D8AE0CA03029591B

FaturamentoNotificacao362.z / FaturamentoNotificacao362.exe | 48,640
| 0xFF833189185739BEDA5BC21FE89AF01B

Lista-Pedido-8.z / Documento8.exe | 48,640
| 0xD5A68DDCE789FFC6B4854F9453C3AB52

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

> Subject: Boleto de Cobrança

Message Body:

**Segue em anexo o boleto referente a:
- Nota Fiscal: 34636
- Duplicata: 34636/2
- Vencimento: 24/03/2016
- Linha Digitável: 34191.09008 02350.957466 02787.600002 6 63770000069300
- Remetente: ASTRO TECNOLOGIA INDUSTRIA E COMERCIO LTDA - CNPJ: 02605258000147
**

Or

>
Subject: Notificacao de Faturamento - NFE 66-9363430 11/03/2016

Message Body:

Notificação de Faturamento - NFE 66-9363430 11/03/2016
Seguem arquivo padrão XML da NFe e arquivo PDF com imagem do faturamento
realizado para vossa empresa.Conformedecreto da Nota Fiscal Eletrônica,
tanto o emitente quanto o destinatário devem guardar os arquivosXMLs
pelo prazo estipulado pela legislação atual.
Contando com vossa atenção, desde já agradeco

Or

>
Subject:** Por favor confirme o Pedido N9503850**

Message Body:

**Bom dia. Poderia me Confirmar se seu Pedido esta Correto?
Caso esteja estarei lhe enviando hojé ainda. Obirgada att: Marcia Lima
**

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-14 21:02 GMT
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