Threat Outbreak Alert: Fake Payment Notification Email Messages on September 16, 2013

2013-09-16T19:08:06
ID CISCO-THREAT-30825
Type ciscothreats
Reporter Cisco
Modified 2013-09-16T19:08:06

Description

Medium

Alert ID:

30825

First Published:

2013 September 16 19:08 GMT

Version:

1

Summary

  • Cisco Security has detected significant activity related to Spanish-language spam email messages that contain a payment notification for the recipient. The email message attempts to convince the recipient to open the attachment to view the details. However, the .zip 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 (RuleID7111) may contain the following files:

>
Soportes de pago y facturas.zip
soporte de pagos y facturas mes de septiembre 16 2013 55564454545454878798983362562541587485478896633255888878787989898989898956464.exe

The soporte de pagos y facturas mes de septiembre 16 2013 55564454545454878798983362562541587485478896633255888878787989898989898956464.exe file in the Soportes de pago y facturas.zip attachment has a file size of 655,360 bytes. The MD5 checksum, which is a unique identifier of the executable, is the following string: 0x0EA60A5D4C8C629C98726CD3985B63C8

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

>
Subject: Soportes y facturaciones de pagos

Message Body:

Adjunto soporte de pagos y documentos por favor responder lo antes posible
Gerencia
Carolina Jimenez
OBS LTDA
martha41@gmail.com
CONFIDENTIALITY NOTICE: This message, including any attachments, is for the sole use of the intended recipient(s) and may contain confidential and privileged information. Any unauthorized review, use, disclosure or distribution is prohibited. If you are not the intended recipient, please contact the sender by reply e-mail and destroy all copies of the original message.

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
    ---|---|---|---
    1 | Initial Release | | 2013-September-16 19:08 GMT
    Show Less

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