Threat Outbreak Alert: Fake Invoice Notification Email Messages on January 17, 2014

2014-01-21T15:00:01
ID CISCO-THREAT-32483
Type ciscothreats
Reporter Cisco
Modified 2014-01-21T15:00:01

Description

Medium

Alert ID:

32483

First Published:

2014 January 21 15:00 GMT

Version:

1

Summary

  • Cisco Security has detected significant activity related to spam email messages that claim to contain invoice details 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 ._exe _file that, when executed, attempts to infect the system with malicious code.

Email messages that are related to this threat (RuleID8518) may contain the following files:

> Swiftconfirmation.zip
Swiftconfirmation.exe

The_ Swiftconfirmation.exe_ file in the Swiftconfirmation.zip attachment has a file size of 848,896 bytes. The MD5 checksum, which is a unique identifier of the executable, is the following string: 0x33E3B1910A9CCE1D7D4C0D5E7D8FC56D

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

> Subject: Invoice #3494988 - Remit file

Message Body:

The following is issued on behalf of the Hong Kong Monetary Authority
Attached is the invoice (Invoice_3494988.zip) received from your bank, click the link goo.gl/Nh8Tou to download from secure link.
Please print this label and fill in the requested information.
Once you have filled out all the information on the form please send it to
hkma_invoice@hkma.gov.hk .
For more details please see the attached file.
Please do not reply to this email, it is an unmonitored mailbox!
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 | | 2014-January-21 15:00 GMT
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