Threat Outbreak Alert: Fake Payment Cancellation Notification Email Messages on April 28, 2014

Medium

Alert ID:

33973

First Published:

2014 April 28 19:38 GMT

Version:

1

Summary

• Cisco Security has detected significant activity related to spam email messages that claim to contain a payment cancellation notice for the recipient. The text in the email message attempts to convince the recipient to open the attachment to view more details. However, the .zip attachment contains a malicious .scr file that, when executed, attempts to infect the system with malicious code.

Email messages that are related to this threat (RuleID9770) may contain the following files:

> ACH_Batch_97249012.zip
ACH_Batch_97249012.scr

The ACH_Batch_97249012.scr file in the ACH_Batch_97249012.zip attachment has a file size of 19,968 bytes. The MD5 checksum, which is a unique identifier of the executable, is the following string: 0xD7F3DE700B99D3D03C5CD2309B635738

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

> Subject: Ach Batch Canceled : #871574129362

Message Body:

Ach payment canceled Transaction ID: #871574129362
The ACH transaction, recently initiated from your checking account (by you or any other person), was canceled by the other financial institution.
Transaction Status: Rejected
Transaction ID: #871574129362
Amount: $ 276,411.24
To view more details for this transaction , please check the attached file .
NACHA works to maintain the privacy of any personally identifiable information (name, mailing address, email address, etc.) that may be collected though our Web site. This Web site has security measures in place; however, NACHA does not represent, warrant or guarantee that personal information will be protected against unauthorized access, loss, misuse or alterations. Similarly, NACHA disclaims liability for personal information submitted through this Web site. Users are hereby advised that they submit such personal information at their own risk.
Thank you,
13450 Sunrise Valley Drive
Suite 100 Herndon
VA 20171
2014 NACHA - The Electronic Payments Association
CONFIDENTIALITY NOTICE:
This electronic mail transmission and any attached files contain information intended for the exclusive use of the individual or entity to whom it is addressed and may contain information belonging to the sender (Nacha , Inc.) that is proprietary, privileged, confidential and/or protected from disclosure under applicable law. If you are not the intended recipient, you are hereby notified that any viewing, copying, disclosure or distributions of this electronic message are violations of federal law. Please notify the sender of any unintended recipients and delete the original message without making any copies. Thank You
2014 NACHA - The Electronic Payments Association

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		2014-April-28 19:38 GMT
Show Less

---

Legal Disclaimer

• THIS DOCUMENT IS PROVIDED ON AN “AS IS” BASIS AND DOES NOT IMPLY ANY KIND OF GUARANTEE OR WARRANTY, INCLUDING THE WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR USE. YOUR USE OF THE INFORMATION ON THE DOCUMENT OR MATERIALS LINKED FROM THE DOCUMENT IS AT YOUR OWN RISK. CISCO RESERVES THE RIGHT TO CHANGE OR UPDATE ALERTS AT ANY TIME.

A standalone copy or paraphrase of the text of this document that omits the distribution URL is an uncontrolled copy and may lack important information or contain factual errors. The information in this document is intended for end users of Cisco products