Threat Outbreak Alert: Fake Failed Transaction Notification Email Messages on September 19, 2013

2013-09-20T16:27:08
ID CISCO-THREAT-30922
Type ciscothreats
Reporter Cisco
Modified 2013-09-20T16:27:08

Description

Medium

Alert ID:

30922

First Published:

2013 September 20 16:27 GMT

Version:

1

Summary

  • Cisco Security has detected significant activity related to spam email messages that claims to contain a failed transaction notification for the recipient. The message attempts to persuade the recipient to open the attachment to view transaction 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 (RuleID7155) may contain the following files:

> Incoming_ADP_0919.zip
Incoming_ADP_0819.exe

The Incoming_ADP_0819.exe file in the Incoming_ADP_0919.zip attachment has a file size of 458,240 bytes. The MD5 checksum, which is a unique identifier of the executable, is the following string: 0x2FEBD25998C0CC0162B5A1C8E81DB073

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

> Subject: [Bulk] ADP - Reference #753-679-300580

Message Body:

We were unable to process your recent transaction. Please verify your details and try again.
If the problem persists, contact us to complete your order.
Transaction details are shown in the attached file.
Reference #753-679-300580
This e-mail has been sent from an automated system.
PLEASE DO NOT REPLY.
The information contained in this message may be privileged, confidential and protected from disclosure. If the reader of this message is not the intended recipient, or an employee or agent responsible for delivering this message to the intended recipient, you are hereby notified that any dissemination, distribution or copying of this communication is strictly prohibited. If you have received this communication in error, please notify your representative immediately and delete this message from your computer. Thank you.

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-20 16:27 GMT
    Show Less

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