Virus:TR/Spy.ZBot.RS.1
Date discovered:07/04/2009
Type:Trojan
In the wild:Yes
Reported Infections:Low to medium
Distribution Potential:Low
Damage Potential:Low to medium
Static file:Yes
File size:192.512 Bytes
MD5 checksum:948ba9e36338cfd2a789b8a49094fefb
VDF version:7.01.03.22
IVDF version:7.01.03.23 - Tuesday, April 7, 2009

 General Aliases:
   •  Kaspersky: Trojan-Spy.Win32.SpyEyes.hry
   •  Bitdefender: Trojan.Generic.KD.230624
   •  GData: Trojan.Generic.KD.230624
   •  DrWeb: Trojan.DownLoader3.1932


Platforms / OS:
   • Windows 2000
   • Windows XP
   • Windows 2003


Side effects:
   • Drops malicious files
   • Registry modification
   • Steals information

 Files It copies itself to the following location:
   • C:\svchostxxx.exe\svchostxxx.exe



It deletes the initially executed copy of itself.



The following file is created:

– C:\svchostxxx.exe\config.bin



It tries to execute the following file:

– Filename:
   • C:\svchostxxx.exe\svchostxxx.exe

 Registry The following registry key is added in order to run the process after reboot:

– [HKCU\Software\Microsoft\Windows\CurrentVersion\Run]
   • "svchostxxx.exe"="C:\svchostxxx.exe\svchostxxx.exe"



The values of the following registry key are removed:

–  [HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings]
   • AutoConfigURL
   • ProxyOverride
   • ProxyServer



The following registry keys are added:

– [HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings]
   • "WarnOnIntranet"=dword:0x00000000

– [HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\
   Zones\0]
   • "1409"=dword:0x00000003



The following registry keys are changed:

– [HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\
   Zones\1]
   New value:
   • "1406"=dword:0x00000000
   • "1409"=dword:0x00000003
   • "1609"=dword:0x00000000

– [HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\
   Zones\0]
   New value:
   • "1406"=dword:0x00000000
   • "1609"=dword:0x00000000

– [HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\
   Zones\2]
   New value:
   • "1406"=dword:0x00000000
   • "1409"=dword:0x00000003
   • "1609"=dword:0x00000000

– [HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\
   Lockdown_Zones\4]
   New value:
   • "1406"=dword:0x00000000

– [HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\
   Lockdown_Zones\1]
   New value:
   • "1406"=dword:0x00000000

– [HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\
   Lockdown_Zones\2]
   New value:
   • "1406"=dword:0x00000000

– [HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\
   Lockdown_Zones\3]
   New value:
   • "1406"=dword:0x00000000

– [HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings]
   New value:
   • "EnableHttp1_1"=dword:0x00000000
   • "MigrateProxy"=dword:0x00000001
   • "ProxyEnable"=dword:0x00000000
   • "ProxyHttp1.1"=dword:0x00000000
   • "WarnOnPost"=hex:00,00,00,00
   • "WarnOnPostRedirect"=dword:0x00000000

– [HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\
   Zones\3]
   New value:
   • "1406"=dword:0x00000000
   • "1409"=dword:0x00000003
   • "1609"=dword:0x00000000

– [HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\
   Zones\4]
   New value:
   • "1406"=dword:0x00000000
   • "1409"=dword:0x00000003
   • "1609"=dword:0x00000000

 Backdoor Contact server:
The following:
   • http://cnc0098510m.cz.cc/mmmmmmaaaaaa/**********?guid=%character string%&ver=%number%&stat=%character string%&ie=%character string%&os=%character string%&ut=%character string%&cpu=%number%&ccrc=%character string%&md5=%character string%


 Stealing It tries to steal the following information:
– Recorded passwords used by the AutoComplete function

– Passwords from the following programs:
   • Mozilla Firefox
   • Internet Explorer

 Injection – It injects itself as a remote thread into a process.

    Process name:
   • explorer.exe



– It injects itself as a remote thread into a process.

It is injected into all processes.


 Miscellaneous  Checks for an internet connection by contacting the following web site:
   • http://www.microsoft.com/


Mutex:
It creates the following Mutexes:
   • __svxxxx__
   • __SPYNET_REPALREADYSENDED__

 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 a runtime packer.

Description inserted by Petre Galan on Tuesday, July 12, 2011
Description updated by Petre Galan on Tuesday, July 12, 2011

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