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TR/Spy.Agent.NZ.7 - Trojan
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Nume:
TR/Spy.Agent.NZ.7
Descoperit pe data de:
09/10/2006
Tip:
Troian
ITW:
Nu
Numar infectii raportate:
Scazut
Potential de raspandire:
Scazut
Potential de distrugere:
Scazut spre mediu
Fisier static:
Da
Marime:
457.728 Bytes
MD5:
0F7f5d4c67e2726685a722c5a72aa4de
Versiune VDF:
6.35.01.96
Versiune IVDF:
6.35.01.97
General
Metoda de raspandire:
• Nu are rutina proprie de raspandire
Alias:
• Kaspersky: Trojan-Spy.Win32.Agent.nz
• Eset: Win32/Spy.Delf.NDE
Sistem de operare:
• Windows 95
• Windows 98
• Windows 98 SE
• Windows NT
• Windows ME
• Windows 2000
• Windows XP
• Windows 2003
Efecte secundare:
• Creeaza fisiere
• Creeaza un fisier malware
• Modificari in registri
Fisiere
Se copiaza in urmatoarele locatii:
•
%SYSDIR%
\sscool.scr
•
%WINDIR%
\svchost.exe
O sectiune este adaugata fisierului.
– Catre:
%WINDIR%
\win.ini Cu urmatorul continut:
• [win]
temppath=
%TEMPDIR%
\
Sterge copia initiala a virusului.
Sunt create fisierele:
–
%SYSDIR%
\3721_4.dll Fisierul este executat dupa ce a fost creat. Analiza ulterioara a relevat ca si acest fisier este malware. Detectat ca: TR/Spy.Agent.NZ.7
–
%TEMPDIR%
\iehelp.ini
– c:\auto1.bat Fisierul este executat dupa ce a fost creat. Fisierul batch este folosit pentru stergerea unui fisier.
Registrii sistemului
Inregistreaza un browser helper object (BHO) prin adaugarea urmatoarei chei in registri:
– [HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\
Browser Helper Objects\{8D139DD1-6BB5-4103-8C89-41560FF2E107}]
Urmatoarele chei sunt adaugate in registrii sistemului:
– [HKCR\CLSID\{8D139DD1-6BB5-4103-8C89-41560FF2E107}]
• @=""
– [HKCR\CLSID\{8D139DD1-6BB5-4103-8C89-41560FF2E107}\InprocServer32]
• @="
%SYSDIR%
\3721_4.dll"
• "ThreadingModel"="Apartment"
– [HKCR\CLSID\{8D139DD1-6BB5-4103-8C89-41560FF2E107}\ProgID]
• @="3721_4.LelePP"
– [HKCR\3721_4.LelePP]
• @=""
– [HKCR\3721_4.LelePP\Clsid]
• @="{8D139DD1-6BB5-4103-8C89-41560FF2E107}"
– [HKCR\htmlfile\shell\htmlfile\shell\opennew\command]
• @="\"
%PROGRAM FILES%
\Internet Explorer\iexplore.exe\" %1"
– [HKCR\htmlfile\shell\htmlfile\shell\opennew\command\CLSID\
{0002DF01-0000-0000-C000-000000000046}\LocalServer32]
• @="\"
%PROGRAM FILES%
\Internet Explorer\iexplore.exe\""
– [HKCR\htmlfile\shell\SOFTWARE\Classes\htmlfile\shell\open\command]
• @="\"
%PROGRAM FILES%
\Internet Explorer\iexplore.exe\" -nohome"
– [HKCR\htmlfile\shell\SOFTWARE\Classes\htmlfile\shell\open\command\
SOFTWARE\Classes\htmlfile\shell\opennew\command]
• @="\"
%PROGRAM FILES%
\Internet Explorer\iexplore.exe\" %1"
– [HKLM\SOFTWARE\Classes\htmlfile\shell\SOFTWARE\Classes\htmlfile\
shell\open\command]
• @="\"
%PROGRAM FILES%
\Internet Explorer\iexplore.exe\" -nohome"
– [HKLM\SOFTWARE\Classes\htmlfile\shell\SOFTWARE\Classes\htmlfile\
shell\open\command\SOFTWARE\Classes\htmlfile\shell\opennew\command]
• @="\"
%PROGRAM FILES%
\Internet Explorer\iexplore.exe\" %1"
Injectarea codului malware in alte procese
– Injecteaza fisierul urmator intr-un proces:
%SYSDIR%
\3721_4.dll
Urmatoarele procese:
• explorer.exe
•
%procese care au ferestre vizibile%
•
%toate procesele pornite dupa ce virusul este activ in memorie%
Alte informatii
Mutex:
Creeaza urmatorul mutex:
• pp_gg_flag_lala_c_1.0_setup
Detaliile fisierului
Compresia fisierului:
Pentru a ingreuna detectia si a reduce marimea fisierului, este folosit urmatorul program de arhivare:
• UPX
Pentru o descriere scurta click
aici
.
Descriere introdusa de Monica Ghitun la Mon, 09 Oct 2006 12:07 (GMT+1)
Descriere actualizata de Andrei Ivanes la Fri, 27 Oct 2006 08:48 (GMT+1)
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