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Threat Outbreak Alert

Threat Outbreak Alert: Email Messages with Malicious Attachments on September 25, 2013

 
Threat Type:IntelliShield: Threat Outbreak Alert
IntelliShield ID:30955
Version:4
First Published:2013 September 24 13:06 GMT
Last Published:2013 September 25 19:43 GMT
Port: Not available
Urgency:Possible use
Credibility:Confirmed
Severity:Mild Damage
 
Version Summary:Cisco Security Intelligence Operations has detected significant activity on September 25, 2013.
 

Description
 
Cisco Security Intelligence Operations has detected significant activity related to spam email messages that claim to contain attachments for the recipient. The email message attempts to convince the recipient to open the attachment and view the details. However, the .rar attachment contains a malicious .scr file that, when executed, attempts to infect the system with malicious code.

Email messages that are related to this threat (RuleID7185 and RuleID7169KVR) may contain the following files:

TTCOPY.rar
TTCOPY.scr
PARCEL-927ZHDR1SS.zip
PARCEL-2311HFJ58.exe
PARCEL-W4VO44QGSN.zip
PARCEL-HD7748321300.exe
PARCEL-GZ8CERWI5K.zip
PARCEL-HS37749TA.exe

The TTCOPY.scr file in the TTCOPY.rar attachment has a file size of 662,016 bytes. The MD5 checksum, which is a unique identifier of the executable, is the following string: 0x6F167B0F37E161BC8690891E852A9C82

The PARCEL-2311HFJ58.exe file in the PARCEL-927ZHDR1SS.zip attachment has a file size of 185,856 bytes. The MD5 checksum is the following string: 0xC046F253778470BC4400E72E905DEEEE

The PARCEL-HD7748321300.exe file in the PARCEL-W4VO44QGSN.zip attachment has a file size of 166,400 bytes. The MD5 checksum is the following string: 0xCB5711BCA96B4B216167BC47D21D65FE

The PARCEL-HS37749TA.exe file in the PARCEL-GZ8CERWI5K.zip attachment has a file size of 67,072 bytes. The MD5 checksum is the following string: 0x786A1EB2E8E34C60674ADC1F5031E90D

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

Message Body:

FedEx Notification
Our company`s courier cann`t make the delivery of package.
REASON: Postal code contains an error
DELIVERY STATUS: sort order
SERVICE: Two-day shipping
NUMBER OF package: W4VO44QGSN
FEATURES: No
Read the attached file for details.
An additional information:
If the package isn`t received within 20 working days we will have the right to claim compensation from you for it`s keeping in the amount of $4.44 for each day of keeping of it.
Thank you for using our service.
FedEx Global

Or

Message Body:

UPS Notification
Our company`s courier cann`t make the delivery of parcel.
REASON: Wrong postal code
DELIVERY STATUS: sort order
SERVICE: Two-day shipping
NUMBER OF parcel: GZ8CERWI5K
FEATURES: No
Read the enclosed file for details.
An extra information:
If the parcel isn`t received within 5 working days we will have the right to claim compensation from you for it`s keeping in the amount of $4.44 for each day of keeping of it.
Thank you for using our service.
UPS Global

Cisco Security Intelligence Operations 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 Intelligence Operations
Cisco SenderBase Security Network
 
Alert History
 

Version 3, September 24, 2013, 7:01 PM: Cisco Security Intelligence Operations has detected significant activity on September 24, 2013.

Version 2, September 24, 2013, 1:32 PM: Cisco Security Intelligence Operations has detected significant activity on September 23, 2013.

Version 1, September 24, 2013, 1:06 PM: Cisco Security Intelligence Operations has detected significant activity on September 23, 2013.


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

Primary Products:
IntelliShieldThreat Outbreak Alert Original Release Base

Associated Products:
N/A




Alerts and bulletins on the Cisco Security Intelligence Operations Portal are highlighted by analysts in the Cisco Threat Operations Center and represent a subset of the comprehensive content that is available through Cisco Security IntelliShield Alert Manager Service. This customizable threat and vulnerability alert service provides security staff with access to timely, accurate, and credible information about threats and vulnerabilities that may affect their environment.


LEGAL DISCLAIMER
The urgency and severity ratings of this alert are not tailored to individual users; users may value alerts differently based upon their network configurations and circumstances. THE ALERT, AND INFORMATION CONTAINED THEREIN, ARE PROVIDED ON AN "AS IS" BASIS AND DO NOT IMPLY ANY KIND OF GUARANTEE OR WARRANTY, INCLUDING THE WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR USE. YOUR USE OF THE ALERT, AND INFORMATION CONTAINED THEREIN, OR MATERIALS LINKED FROM THE ALERT, IS AT YOUR OWN RISK. INFORMATION IN THIS ALERT AND ANY RELATED COMMUNICATIONS IS BASED ON OUR KNOWLEDGE AT THE TIME OF PUBLICATION AND IS SUBJECT TO CHANGE WITHOUT NOTICE. CISCO RESERVES THE RIGHT TO CHANGE OR UPDATE ALERTS AT ANY TIME.
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