Threat Outbreak Alert: Fake Banking Account Information Email Messages on December 4, 2013

2013-06-20T14:04:40
ID CISCO-THREAT-29732
Type ciscothreats
Reporter Cisco
Modified 2013-12-06T18:22:32

Description

Low

Alert ID:

29732

First Published:

2013 June 20 14:04 GMT

Last Updated:

2013 December 6 18:22 GMT

Version:

9

Summary

  • Cisco Security has detected significant activity related to spam email messages that claim to contain a banking account information 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 .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 (RuleID6315, RuleID6315KVR, and RuleID6315_1KVR) may contain any of the following files:

> PaymentAdvice.zip
PaymentAdvice.exe

The PaymentAdvice.exe file in the PaymentAdvice.zip attachment has a file size of 116,224 bytes. The MD5 checksum, which is a unique identifier of the executable, is the following string: 0x3B297684B940B3ECD261323FC779F85E

A variant of the PaymentAdvice.exe file in the PaymentAdvice.zip attachment has a file size of 117,248 bytes. The MD5 checksum is the following string: 0x54AA4A81F910A2551092FAFC9BC9B2BD

A third variant of the PaymentAdvice.exe file in the PaymentAdvice.zip attachment has a file size of 123,904 bytes. The MD5 checksum is the following string: 0x900319BFD3BB9B86328889A1BE1BF7E5

A fourth variant of the PaymentAdvice.exe file in the PaymentAdvice.zip attachment has a file size of 131,072 bytes. The MD5 checksum is the following string: 0xF624718ECD844D143FF81555FA4C05D9

A fifth variant of the PaymentAdvice.exe file in the PaymentAdvice.zip attachment has a file size of 118,272 bytes. The MD5 checksum is the following string: 0x1AFCF808A88E72282178AAFFA766048E

A sixth variant of the PaymentAdvice.exe file in the PaymentAdvice.zip attachment has a file size of 107,520 bytes. The MD5 checksum is the following string: 0x3FEA92C3FBA6D1CA615188D1893D1295

A seventh variant of the PaymentAdvice.exe file in the PaymentAdvice.zip attachment has a file size of 119,296 bytes. The MD5 checksum is the following string: 0xD3BD9542CD8F12961E1A786A6BD25F53

A eighth variant of the PaymentAdvice.exe _file in the _PaymentAdvice.zip attachment has a file size of 24,576 bytes. The MD5 checksum is the following string: 0xDD2458440CC7C485225BFFF8CDE66759

A ninth variant of the PaymentAdvice.exe file in the_ PaymentAdvice.zip_ attachment has a file size of 13,824 bytes. The MD5 checksum is the following string: 0x2FBF89A24A43E848B581520D8A1FAB27

A 10th variant of the PaymentAdvice.exe file in the_ PaymentAdvice.zip_ attachment has a file size of 16,384 bytes. The MD5 checksum is the following string: 0x8192C574B8E96605438753C49510CD97

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

> Subject: Payment Advice - Advice Ref:[B8194926]

Message Body:

Dear Sir/Madam
Upon your request, attached please find payment e-Advice for your reference.
Yours faithfully
HSBC

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 Virus Outbreak Filters 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 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
    ---|---|---|---
    9 | Cisco Security has detected significant activity on December 4, 2013. | | 2013-December-06 18:22 GMT
    8 | Cisco Security has detected significant activity on November 20, 2013. | | 2013-November-22 15:11 GMT
    7 | Cisco Security has detected significant activity on October 10, 2013. | | 2013-October-11 14:51 GMT
    6 | Cisco Security has detected significant activity on August 21, 2013.

| | 2013-August-22 14:16 GMT
5 | Cisco Security has detected significant activity on August 9, 2013.

| | 2013-August-12 11:25 GMT
4 | Cisco Security has detected significant activity on July 22, 2013.

| | 2013-July-23 14:36 GMT
3 | Cisco Security has detected significant activity on July 1, 2013.

| | 2013-July-02 14:08 GMT
2 | Cisco Security has detected significant activity on June 25, 2013.

| | 2013-June-26 13:19 GMT
1 | Cisco Security has detected significant activity on June 19, 2013. | | 2013-June-20 14:04 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