Threat Outbreak Alert: Fake Payment Confirmation Notification Email Messages on November 20, 2013

2013-05-13T20:46:32
ID CISCO-THREAT-29306
Type ciscothreats
Reporter Cisco
Modified 2013-11-21T15:42:55

Description

Low

Alert ID:

29306

First Published:

2013 May 13 20:46 GMT

Last Updated:

2013 November 21 15:42 GMT

Version:

7

Summary

  • Cisco Security has detected significant activity related to spam email messages that claim to contain a payment confirmation 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 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 (RuleID0971KVR) may contain the following files:

> Doc.zip
Doc.exe
Document.zip
Document.exe
message.zip
message.exe

The Doc.exe file in the Doc.zip attachment has a file size of 1,042,813 bytes. The MD5 checksum, which is a unique identifier of the executable, is the following string: 0x6105A781BB23670F7C28A362380C4BD4

The variant of the Doc.exe file in the Doc.zip attachment has a file size of 1,042,813 bytes. The MD5 checksum is the following string: 0x6105A781BB23670F7C28A362380C4BD4

The Document.exe file in the Document.zip attachment has a file size of 3,916,235 bytes. The MD5 checksum is the following string: 0x5DCF4D95CDBEB0EBC28B0AB723589EAE

The variant of the Document.exe file in the Document.zip attachment has a file size of 3,391,488 bytes. The MD5 checksum is the following string: 0x21AE63C82A79DC45C253A228C67754BF

The third variant of the Document.exe file in the Document.zip attachment has a file size of 3,325,952 bytes. The MD5 checksum is the following string: 0x0F1D962EA18B937647E6891B7410C554

A fourth variant of the Document.exe file in the Document.zip attachment has a file size of 4,259,244 bytes. The MD5 checksum is the following string: 0xC0310838CEDCB11D6244BD3A935C5D7F

The message.exe file in the message.zip attachment has a file size of 16,896 bytes. The MD5 checksum is the following string: 0xA5FB88EE735EAB458BCBFF287E36D590

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

> Subject: Confirm Payment

Message Body:

Hello,
Attached is the balance payment swift bank copy received from my boss
to give you for the goods. Asap please telex release the BL copy for our
goods, the container has already arrived in our port.please confirm the
amount paid.
Thank You
Account officer,
Allied Goods Impex
Gujranwala, Pakistan

Or

> Message Body:

Dear Customer,
My name is Bonnie. We are interested in your products. We got your contact from a partner who purchased from your company and confirmed your products to be reliable. We will be glad to enter into a business relationship with your company.
Please find attachment document of the products details we are interested in. Also send us your sample pictures or similar products.
We expect to hear from you shortly to enable us offset with the purchase arrangement once the price is competitive and we get your assurance on the quality of the products.
Awaiting your prompt response.
Regards.
Ms. Bonnie Punam
--
Sent from my iPad

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
    ---|---|---|---
    7 | Cisco Security has detected significant activity on November 20, 2013. | | 2013-November-21 15:42 GMT
    6 | Cisco Security has detected significant activity on September 18, 2013. | | 2013-September-18 15:11 GMT
    5 | Cisco Security has detected significant activity on June 19, 2013. | | 2013-June-20 14:09 GMT
    4 | Cisco Security has detected significant activity on June 3, 2013. | | 2013-June-03 15:12 GMT
    3 | Cisco Security has detected significant activity on May 27, 2013. | | 2013-May-28 14:31 GMT
    2 | Cisco Security has detected significant activity on May 12, 2013. | | 2013-May-14 16:04 GMT
    1 | Cisco Security has detected significant activity on May 12, 2013. | | 2013-May-13 20:46 GMT
    Show Less

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