Nume:TR/Agent.56320.16
Descoperit pe data de:13/10/2009
Tip:Troian
ITW:Da
Numar infectii raportate:Scazut
Potential de raspandire:Scazut
Potential de distrugere:Scazut spre mediu
Fisier static:Da
Marime:56.320 Bytes
MD5:66dc85ad06e4595588395b2300762660
Versiune IVDF:7.01.06.106 - mardi 13 octobre 2009

 General Alias:
   •  Mcafee: W32/Koobface.worm.gen.o
   •  Panda: W32/Koobface.GN.worm
   •  Eset: Win32/Koobface.NCF
   •  Bitdefender: Trojan.Generic.IS.615453


Sistem de operare:
   • Windows 2000
   • Windows XP
   • Windows 2003


Efecte secundare:
   • Descarca fisiere malware
   • Creeaza fisiere malware
   • Modificari in registri

 Fisiere Se copiaza in urmatoarea locatie:
   • %WINDIR%\freddy69.exe



Sterge copia initiala a virusului.



Sterge urmatoarele fisiere:
   • %directorul de activare malware%\sd.dat
   • %WINDIR%\dxxdv34567.bat
   • %directorul de activare malware%\df1a245s4_1000.exe
   • C:\3.reg



Sunt create fisierele:

– %WINDIR%\bk23567.dat
– %WINDIR%\freddy101.exe Analiza ulterioara a relevat ca si acest fisier este malware.
– %WINDIR%\dxxdv34567.bat Fisierul este executat dupa ce a fost creat. Fisierul batch este folosit pentru stergerea unui fisier.
– %HOME%\Local Settings\Temporary Internet Files\Content.IE5\CXA7GX23\fb[1].101.exe Analiza ulterioara a relevat ca si acest fisier este malware.



Incearca sa descarce cateva fisiere:

– Adresele sunt urmatoarele:
   • http://www.bloomfieldlivestockmarket.com/**********/?action=fbgen&v=69
   • http://iq-tech.biz/**********/?action=fbgen&mode=s&age=32&a=544453496&v=101&crc=669&ie=6.0.2800.1106
   • http://doratheexplorertoys.info/**********/?action=fbgen&v=101&crc=669
   • http://www.getconnected.be/**********/?action=fbgen&v=69
   • http://krukvaxter.tazzeli.se/**********/?action=fbgen&v=69
   • http://www.agapebowling.com/**********/?action=fbgen&v=101&crc=669
   • http://www.oneofakindsxm.com/**********/?getexe=fb.101.exe
   • http://rtrans.spb.ru/**********/?action=fbgen&v=69
   • http://genesiskdmparts.com/**********/?action=fbgen&v=69
   • http://iq-tech.biz/**********/?action=fbgen&v=101&crc=669
   • http://firmafrugtforeningen.dk/**********/?action=fbgen&v=101&crc=669
   • http://hadsund-jagt.dk/**********/?action=fbgen&v=101&crc=669
   • http://qatar-business-guide.net/**********/?action=fbgen&a=544453496&v=69&ie=6.0.2800.1106
   • http://www.svensmits.be/**********/?action=fbgen&v=69
   • http://qatar-business-guide.net/**********/?action=fbgen&v=69
Analiza ulterioara a relevat ca si acest fisier este malware.

 Registrii sistemului Valorile urmatoarei chei sunt sterse din registrii sistemului:

–  [HKEY_USERS\S-1-5-21-2025429265-1425521274-839522115-1003\Software\
   Microsoft\Windows\CurrentVersion\Internet Settings]
   • AutoConfigURL
   • ProxyOverride
   • ProxyServer



Se adauga in registrii sistemului:

– [HKLM\SOFTWARE\Classes\MIME\Database\Content Type\
   application/xhtml+xml]
   • "CLSID"="{25336920-03F9-11cf-8FD0-00AA00686F13}"
   • "Encoding"=hex:08,00,00,00
   • "Extension"=".xml"



Urmatoarele chei din registri sunt modificate:

– [HKEY_USERS\S-1-5-21-2025429265-1425521274-839522115-1003\Software\
   Microsoft\Windows\CurrentVersion\Internet Settings]
   Noua valoare:
   • "MigrateProxy"=dword:0x00000001
   • "ProxyEnable"=dword:0x00000000

– [HKLM\SYSTEM\ControlSet001\Hardware Profiles\0001\Software\
   Microsoft\windows\CurrentVersion\Internet Settings]
   Noua valoare:
   • "ProxyEnable"=dword:0x00000000

 Injectarea codului malware in alte procese – Se injecteaza ca un thread remote intr-un proces.

    Numele procesului:
   • regedit.exe


 Alte informatii  Cauta o conexiune Internet, contactand urmatorul website:
   • http://www.google.com


Sir de caractere:
In plus, mai contine urmatoarele siruri de caractere:
   • http://messaging.myspace.com/index.cfm?fuseaction=mail.sentboxV3&type=Sent
   • http://profileedit.myspace.com/index.cfm?fuseaction=profile.blurbs
   • http://profileedit.myspace.com/index.cfm?fuseaction=profile.interests
   • http://profileedit.myspace.com/index.cfm?fuseaction=profile.lifestyle
   • http://profileedit.myspace.com/index.cfm?fuseaction=profile.schools
   • http://profileedit.myspace.com/index.cfm?fuseaction=profile.companies
   • http://profileedit.myspace.com/index.cfm?fuseaction=accountSettings.contactInfo
   • myspace.com/index.cfm?fuseaction=profile.basic
   • document.getElementById("hsmDoneBtn").fireEvent("onmousedown", evt);

 Detaliile fisierului Limbaj de programare:
 Limbaj de programare folosit: C (compilat cu Microsoft Visual C++).

Description insérée par Petre Galan le mardi 23 février 2010
Description mise à jour par Petre Galan le mardi 23 février 2010

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