Submission Summary:

• Submission details:
• Submission received: 11 September 2012, 15:49:05
• Processing time: 9 min 2 sec
• Submitted sample:
• File MD5: 0x4422B981B5B58C655CEC58718325B7D7
• File SHA-1: 0x2BC1911FC4639516E3E005A982BB679E994843D3
• Filesize: 336,896 bytes
• Alias:
• Trojan-Spy.Win32.Zbot.evhy [Kaspersky Lab]
• Trojan-Spy.Win32.Zbot [Ikarus]

• Summary of the findings:

What's been found	Severity Level
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 keylogger program that can capture all user keystrokes (including confidential details such username, password, credit card number, etc.)

File System Modifications

• The following files were created in the system:

#	Filename(s)	File Size	File Hash	Alias
1	%AppData%\Humya\yraf.exe	336,896 bytes	MD5: 0x2EDEF493CF943DECEA0D8AD6883C12EE SHA-1: 0x955F0487BB834007AB0CCE2805A9872BC9F9C33D	Trojan-Spy.Win32.Zbot.evhy [Kaspersky Lab]
2	%AppData%\uhaxa.egl	1,322 bytes	MD5: 0x1D0E3C525E03D3A69C8A5995D7D75DD0 SHA-1: 0x113D19EA846C01F910BD7034E1580A2A4F572B95	(not available)
3	%Temp%\tmpc5ffd00e.bat	168 bytes	MD5: 0x30A00FD71875F8E0662D449D99E22345 SHA-1: 0xEAB6A1D87FE8CE68A0D846983DBE3F5C4731AB35	(not available)
4	[file and pathname of the sample #1]	336,896 bytes	MD5: 0x4422B981B5B58C655CEC58718325B7D7 SHA-1: 0x2BC1911FC4639516E3E005A982BB679E994843D3	Trojan-Spy.Win32.Zbot.evhy [Kaspersky Lab] 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 directory was created:
• %AppData%\Humya

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	278,528 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\Kour

• 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]
• {3DFA1AE4-115C-AD7B-A6BA-A75086AF8442} = ""%AppData%\Humya\yraf.exe""

so that yraf.exe runs every time Windows starts

• [HKEY_CURRENT_USER\Software\Microsoft\Kour]
• jaei604 = 67 18 7E A1 73 12 BC 91 6E C5 AA FC
• 13285b7e = 0xA11B1845
• 31jf0232 = 87 57 1B A1 95 29 CF 91 5F C5 9A FC

• 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 object was created:
• Local\{FA4803F7-084F-6AC9-A6BA-A75086AF8442}