Threat Outbreak Alert: Fake Online Account Fraudulent Activity Notice Email Messages on September 19, 2013

2013-09-19T19:02:24
ID CISCO-THREAT-30882
Type ciscothreats
Reporter Cisco
Modified 2013-09-19T19:02:24

Description

Medium

Alert ID:

30882

First Published:

2013 September 19 19:02 GMT

Version:

1

Summary

  • Cisco Security has detected significant activity related to spam email messages that claim to contain a fraudulent, online-account activity notification for the recipient. The text in the email message attempts to convince the recipient to open the attachment and view the details. However, the 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 (RuleID7141) may contain the following files:

> Paypal_093940018.zip
Paypal_093940018.exe

The Paypal_093940018.exe file in the Paypal_093940018.zip attachment has a file size of 719,148 bytes. The MD5 checksum, which is a unique identifier of the executable, is the following string: 0xCCE0127451C1E3504643F706A7B2DD80

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

> Subject: Important: We noticed unusual activity in your PayPal account (Ref #PP-003-470-395-213)?

Message Body:

Valued Paypal account holder,
We have noticed unusual activity on your Paypal account on September 18, 2013.
Your account is limited.
Please complete all steps provided in attached file and we will send you an email notifying that your account is active again.
To continue please proceed with the attached document
Paypal Account Verification Department

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-19 19:02 GMT
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