Submission Summary:

• Submission details:
• Submission received: 12 August 2012, 03:52:23
• Processing time: 7 min 44 sec
• Submitted sample:
• File MD5: 0x87D3CC74783F288E711D3AA77D22DA9F
• File SHA-1: 0x95266DC710B7033E4B27A44115508E0ED6C3BC50
• Filesize: 197,632 bytes
• Alias:
• Trojan.Gen [Symantec]
• PWS-Zbot.gen.yl [McAfee]
• Worm:Win32/Cridex.E [Microsoft]
• Trojan-Spy.Win32.Zbot [Ikarus]

• Summary of the findings:

What's been found	Severity Level
Downloads/requests other files from Internet.
Creates a startup registry entry.
Contains characteristics of an identified security risk.

Technical Details:

Possible Security Risk

• Attention! The following threat category was identified:

Threat Category	Description
	A malicious trojan horse or bot that may represent security risk for the compromised system and/or its network environment

File System Modifications

• The following files were created in the system:

#	Filename(s)	File Size	File Hash	Alias
1	%AppData%\Ihaws\tyfii.opi	3,614 bytes	MD5: 0x75DB320DF447992F90E87529610025AB SHA-1: 0xBB5D6193088C04C9C7E8133580E762532454A1FB	(not available)
2	%AppData%\Ihaws\tyfii.tmp %AppData%\Iwpyb\emfum.ogt	0 bytes	MD5: 0xD41D8CD98F00B204E9800998ECF8427E SHA-1: 0xDA39A3EE5E6B4B0D3255BFEF95601890AFD80709	(not available)
3	%AppData%\Ygapw\cubyk.exe	197,632 bytes	MD5: 0x08F1D85456F17D790B4BE9BFA9CD87D0 SHA-1: 0x80D04AA7D415D124E1EA3A563F25B659CFF74428	PWS-Zbot.gen.yl [McAfee] Worm:Win32/Cridex.E [Microsoft] Trojan-Spy.Win32.Zbot [Ikarus]
4	%Temp%\tmp196cbd2d.bat	168 bytes	MD5: 0xCFD0FA3748565A16769D92BCC24FF246 SHA-1: 0x45E237AD865E1885454540A7B641F85AA3DCFFD5	(not available)
5	[file and pathname of the sample #1]	197,632 bytes	MD5: 0x87D3CC74783F288E711D3AA77D22DA9F SHA-1: 0x95266DC710B7033E4B27A44115508E0ED6C3BC50	Trojan.Gen [Symantec] PWS-Zbot.gen.yl [McAfee] Worm:Win32/Cridex.E [Microsoft] Trojan-Spy.Win32.Zbot [Ikarus]

• Notes:
• %AppData% is a variable that refers to the file system directory that serves as a common repository for application-specific data. A typical path is C:\Documents and Settings\[UserName]\Application Data.
• %Temp% is a variable that refers to the temporary folder in the short path form. By default, this is C:\Documents and Settings\[UserName]\Local Settings\Temp\ (Windows NT/2000/XP).

• The following directories were created:
• %AppData%\Ihaws
• %AppData%\Iwpyb
• %AppData%\Ygapw

Memory Modifications

• There were new processes created in the system:

• There was a new memory page created in the address space of the system process(es):

Process Name	Process Filename	Allocated Size
cmd.exe	%System%\cmd.exe	233,472 bytes

• Notes:
• %System% is a variable that refers to the System folder. By default, this is C:\Windows\System (Windows 95/98/Me), C:\Winnt\System32 (Windows NT/2000), or C:\Windows\System32 (Windows XP).

Registry Modifications

• The following Registry Keys were created:
• HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Privacy
• HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Uninstall
• HKEY_CURRENT_USER\Software\Microsoft\Oqorof

• The newly created Registry Values are:
• [HKEY_CURRENT_USER\Identities]
• Identity Login = 0x00098053
• [HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Privacy]
• CleanCookies = 0x00000000
• [HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run]
• Noitfaga = ""%AppData%\Ygapw\cubyk.exe""

so that cubyk.exe runs every time Windows starts

• [HKEY_CURRENT_USER\Software\Microsoft\Oqorof]
• Bogyokan = 8D 76 0A B3 29 65 2E C0 10 30 02 C1 29 33 0E B7 8D 76 0A B3 29 65 2E C0 10 30 02 C1 29 33 0E B7 8D 76 0A B3 29 65 2E C0 10 30 02 C1 29 33 0E B7 04 09 73 DF 72 5B 8D 5D FA 7C 1B 2C B2 0E D8 90 8D 76 0A B3 29 65 2E C0 10 30 02 C1 29 33 0E B7 8D 76 0A B

• The following Registry Values were modified:
• [HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\0]
• 1609 =
• [HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\1]
• 1406 =
• 1609 =
• [HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\2]
• 1609 =
• [HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3]
• 1406 =
• 1609 =
• [HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4]
• 1406 =
• 1609 =

Other details

• To mark the presence in the system, the following Mutex objects were created:
• Local\{01DA8951-A4FD-6FF9-2114-6982E21804A8}
• Local\{76582DEC-0040-187B-2114-6982E21804A8}

• The following Host Name was requested from a host database:
• 192.5.5.241

• The following Internet Connection was established: