Threat Outbreak Alert

Threat Outbreak Alert: Fake Scanned Image E-mail Messages on December 18, 2012

 
Threat Type:IntelliShield: Threat Outbreak Alert
IntelliShield ID:27624
Version:2
First Published:2012 December 12 11:25 GMT
Last Published:2012 December 19 09:26 GMT
Port: Not available
Urgency:Possible use
Credibility:Confirmed
Severity:Mild Damage
 
Version Summary:Cisco Security Intelligence Operations has detected significant activity on December 18, 2012.
 

Description
 
Cisco Security Intelligence Operations has detected significant activity related to spam e-mail messages that claim to contain a scanned image from a Xerox WorkCentre device for the recipient. The text in the e-mail message attempts to convince the recipient to open the attachment and view the document. However, the .zip attachment contains a malicious .exe file that, when executed, attempts to infect the system with malicious code.

E-mail messages that are related to this threat (RuleID4912 and RuleID4912KVR) may contain the following files:

Scanned-Image_12-12-2012-9086.zip
Scanned-Image_12-12-2012-28891.exe
Scan_12-12-2012-95.zip
Scan_12-12-2012-92.exe
Scan_12-19-2012-H469M1D0.zip
Scan_12-19-2012-82.exe

The Scanned-Image_12-12-2012-28891.exe file in the Scanned-Image_12-12-2012-9086.zip attachment has a file size of 131,072 bytes. The MD5 checksum, which is a unique identifier of the executable, is the following string: 0xEB9C981F17EE92691FE9DB8DEA1AE611

The Scan_12-12-2012-92.exe file in the Scan_12-12-2012-95.zip attachment has a file size of 131,072 bytes. The MD5 checksum is the following string: 0x9942D48A5B2D57EBB6DC6E6940700F34

The Scan_12-19-2012-82.exe file in the Scan_12-19-2012-H469M1D0.zip attachment has a file size of 108,544 bytes. The MD5 checksum is the following string: 0xEF693B11F820D0AC290C42BDD8110BA5

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

Subject: Scanned Image from a Xerox WorkCentre

Message Body:

Reply to: scanner@icselect.com
Device Name: Not Set
Device Model: MX-3064N
Location: Not Set
File Format: PDF (Medium)
File Name: Scan_12-12-2012-9086.zip
Resolution: 200dpi x 200dpi
Attached file is scanned image in PDF format.
Adobe(R)Reader(R) can be downloaded from the following URL: hxxp://www.adobe.com/

Or

Subject: Scanned Image from a Xerox WorkCentre

Message Body:

Reply to: scanner@miffcrffodf.com
Device Name: Not Set
Device Model: MX-5610N
Location: Not Set
File Format: PDF (Medium)
File Name: Scan_12-12-2012-18.zip
Resolution: 200dpi x 200dpi
Attached file is scanned image in PDF format.
Adobe(R)Reader(R) can be downloaded from the following URL: hxxp://www.adobe.com/

Cisco Security Intelligence Operations analysts examine real-world e-mail 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 e-mail 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. E-mail 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 e-mail and hostile web URLs from being passed to the end user.

Related Links
Cisco Security Intelligence Operations
Cisco Threat Operations Center
Cisco SenderBase Security Network
 
Alert History
 
Version 1, December 12, 2012, 7:25 AM: Cisco Security Intelligence Operations has detected significant activity on December 12, 2012.


Product Sets
 
The security vulnerability applies to the following combinations of products.

Primary Products:
IntelliShieldThreat Outbreak Alert Original Release Base

Associated Products:
N/A




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