Threat Outbreak Alert: Fake Bank Deposit Notification Email Messages on October 20, 2013

2013-10-21T13:48:28
ID CISCO-THREAT-31383
Type ciscothreats
Reporter Cisco
Modified 2013-10-21T13:48:28

Description

Medium

Alert ID:

31383

First Published:

2013 October 21 13:48 GMT

Version:

1

Summary

  • Cisco Security has detected significant activity related to spam email messages that claim to contain bank deposit 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 .rar 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 (RuleID7526) may contain the following files:

> purchase-order1(a).rar
purchase-order1.exe

The purchase-order1.exe file in the purchase-order1(a).rar attachment has a file size of 446,976 bytes. The MD5 checksum, which is a unique identifier of the executable, is the following string: 0x2CEB8AE63182C74C0440C1CE2DFFAF38

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

> Message Body:

The attached message was forwarded from an IronPort system quarantine,
and may contain a virus, spam, or other prohibited content.
Respected Sir/Madam
My boss instructed me to send this transfer slip to you on our deposit
to your bank account.
Kindly check and get back to us immediately.
Best Regards,

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
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Revision History

  • Version | Description | Section | Date
    ---|---|---|---
    1 | Initial Release | | 2013-October-21 13:48 GMT
    Show Less

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