Virus:TR/Agent.137216.2.A
Date discovered:31/07/2008
Type:Trojan
In the wild:Yes
Reported Infections:Low to medium
Distribution Potential:Low
Damage Potential:Low to medium
Static file:Yes
File size:137.216 Bytes
MD5 checksum:831e11da49fee6b692d009b8f71822cf
IVDF version:7.00.05.199 - Thursday, July 31, 2008

 General Method of propagation:
   • No own spreading routine


Alias:
   •  Symantec: Trojan Horse
   •  Kaspersky: Backdoor.Win32.NewRest.h
   •  TrendMicro: TROJ_MUTANT.EW
   •  F-Secure: Backdoor.Win32.NewRest.h
   •  Sophos: Troj/Drop-AK
   •  Panda: Trj/Exchanger.T
   •  Eset: Win32/Rustock.NFW
   •  Bitdefender: Trojan.Rootkit.Rustock.F


Platforms / OS:
   • Windows 98
   • Windows 98 SE
   • Windows NT
   • Windows ME
   • Windows 2000
   • Windows XP
   • Windows 2003


Side effects:
   • Uses its own Email engine

 Email It contains an integrated SMTP engine in order to send Spam emails. A direct connection with the destination server will be established. The characteristics are described in the following:


From:
The sender address is spoofed.


To:
– Generated addresses


Subject:
One of the following:
   • Miley Cyrus describes her dream man
   • West Nile virus cases reported in California
   • Beijing under threat as Olympics looms
   • US Potatoes unsafe for consumption
   • Man shoots churchgoers over liberal views
   • Typhoon in Taiwan devastates city
   • Car bomb in Washington kills hundreds
   • Bridge collapses in New York
   • FDA warns against eating lobster
   • Amy Winehouse hospitalized following drug overdose
   • New cure for Alzheimers' discovered
   • Woman gives birth to 18th child



Body:
– Contains HTML code.
The body of the email is one of the following:

   • JFK heir found http://**********.de/livestreaming.html.

   • Plastic surgery on face can cause cancer - Johns Hopkins study http://www.firma-**********.de/livestreaming.html

   • China now richer than US - Merrill Lynch study http://www.**********.com.tw/livestreaming.html

   • Thailand decides to cut off economic exchanges with Cambodia, putting possibility of war on the table
     http://www.**********studio.com/livestreaming.html



The email looks like the following:


 File details Programming language:
 The malware program was written in MS Visual C++.


Runtime packer:
In order to aggravate detection and reduce size of the file it is packed with the following runtime packer:
   • UPX

Description inserted by Thomas Wegele on Friday, August 1, 2008
Description updated by Philipp Wolf on Wednesday, August 13, 2008

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