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Virus:TR/Spyeye.AK
Date discovered:19/04/2011
Type:Trojan
In the wild:Yes
Reported Infections:Low to medium
Distribution Potential:Low
Damage Potential:Low to medium
Static file:Yes
File size:169.472 Bytes
MD5 checksum:d86475833d1edf6838acade9827f42f2
VDF version:7.11.06.187 - Tuesday, April 19, 2011
IVDF version:7.11.06.187 - Tuesday, April 19, 2011

 General Aliases:
   •  Mcafee: PWS-Spyeye
   •  Kaspersky: Trojan.Win32.Jorik.SpyEyes.il
   •  Bitdefender: Win32.Worm.Rimecud.BL
     GData: Win32.Worm.Rimecud.BL


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:\mssm\mssm.exe



It deletes the initially executed copy of itself.



The following file is created:

C:\mssm\config.bin



It tries to execute the following file:

Filename:
   • C:\mssm\mssm.exe

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

[HKCU\Software\Microsoft\Windows\CurrentVersion\Run]
   • "mssm.exe"="C:\mssm\mssm.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]
   • "GlobalUserOffline"=dword:0x00000000
   • "WarnOnIntranet"=dword:0x00000000

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

[HKCU\Software\Microsoft\Internet Explorer\PhishingFilter]
   • "ShownServiceDownBalloon"=dword:0x00000000

[HKCU\Software\Microsoft\Internet Explorer\Recovery]
   • "ClearBrowsingHistoryOnExit"=dword:0x00000000



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\Internet Explorer\PhishingFilter]
   New value:
   • "EnabledV8"=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:0x00000001
   • "MigrateProxy"=dword:0x00000001
   • "ProxyEnable"=dword:0x00000000
   • "ProxyHttp1.1"=dword:0x00000001
   • "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:
All of the following:
   • cos**********.asia:8080 (TCP)
   • http://cosmar-goiano.asia/gdr/**********?guid=%character string%&ver=%number%&ie=%character string%&os=%character string%&ut=%character string%&ccrc=%character string%&md5=%character string%&plg=%character string%&stat=%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 Mutex:
   • BoHjj8VTUUgUUUuuUuTFvDFYeJxCK

 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.

Descrizione inserita da Petre Galan su mercoledì 13 luglio 2011
Descrizione aggiornata da Petre Galan su mercoledì 13 luglio 2011

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