Threat Outbreak Alert: Fake ACH Transaction Error Report Email Messages on April 2, 2014

Medium

Alert ID:

33631

First Published:

2014 April 3 15:27 GMT

Version:

1

Summary

• Cisco Security has detected significant activity related to spam email messages that claim to contain an ACH transaction error report for the recipient. The text in the email message attempts to convince the recipient to open the attachment and view the 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 (RuleID9466) may contain the following files:

> report_95078998518277.zip
report_64962917008263.scr

The report_64962917008263.scr file in the report_95078998518277.zip attachment has a file size of 20,992 bytes. The MD5 checksum, which is a unique identifier of the ,executable, is the following string: 0x2525458CAD16A1FD06A3B88A2BFC4C14

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

> Subject: ACH transaction error report

Message Body:

ACH PAYMENT REJECTED
The ACH Transfer (ID: 95078998518277), recently sent from your checking account (by you or any other person), was REJECTED by other financial institution.
Rejection Reason: See details in the acttached report.
Transfer Report: report_95078998518277.pdf (Adobe Reader PDF)
13450 Sunrise Valley Drive, Suite 100
Herndon, VA 20171
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-03 15:27 GMT
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