Threat Outbreak Alert: Fake Debt Collection Notification Email Messages on April 8, 2014

2014-04-08T16:40:58
ID CISCO-THREAT-33697
Type ciscothreats
Reporter Cisco
Modified 2014-04-09T12:24:39

Description

Medium

Alert ID:

33697

First Published:

2014 April 8 16:40 GMT

Last Updated:

2014 April 9 12:24 GMT

Version:

2

Summary

  • Cisco Security has detected significant activity related to Spanish-language spam email messages that claim to contain a debt collection notice for the recipient. The text in the email message attempts to convince the recipient to open the attachment to view bill status. However, the .rar attachment contains a malicious .exe file that, when executed, attempts to infect the system with malicious code.

Email messages that are related to this threat (RuleID9534) may contain the following files:

> Factuta De Cobro.rar
FactutaDeCobre.exe

The_ FactutaDeCobre.exe_ file in the Factuta De Cobro.rar attachment has a file size of 249,856 bytes. The MD5 checksum, which is a unique identifier of the executable, is the following string: 0x8C94D1B26421522DDA00AC1B806AF624

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

> Subject: cuenta de cobros

Message Body:

señor(a) usuario le informamos que tiene facturas pendientes con nosotros le agradecemos ponerse al dia con sus obligaciones
ver estado de sus facturas

Cisco Security analysts examine real-world email traffic data that is collected from over 100,000 contributing organizations worldwide. This data helps provide a range of information about and analysis of global email security threats and trends. Cisco will continue to monitor this threat and automatically adapt systems to protect customers. This report will be updated if there are significant changes or if the risk to end users increases.

Cisco security appliances protect customers during the critical period between the first exploit of a virus outbreak and the release of vendor antivirus signatures. Email that is managed by Cisco and end users who are protected by Cisco Web Security Appliances will not be impacted by these attacks. Cisco security appliances are automatically updated to 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
    ---|---|---|---
    2 | Cisco Security has detected significant activity on April 8, 2014. | | 2014-April-09 12:24 GMT
    1 | Version 1, April 8, 2014, 12:40 PM: Cisco Security has detected significant activity on April 8, 2014. | | 2014-April-08 16:40 GMT
    Show Less

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