Submission Summary:

• Submission details:
• Submission received: 25 October 2012, 17:32:27
• Processing time: 10 min 36 sec
• Submitted sample:
• File MD5: 0x2F12F0434FA3C97E36D3C814E3424E6F
• File SHA-1: 0x5145EC976BFCAA857E5D6230AD8207C42FBA9A14
• Filesize: 359,937 bytes
• Alias:
• PWS-Zbot.gen.aop [McAfee]
• Backdoor.Win32.Azbreg [Ikarus]

• Summary of the findings:

What's been found	Severity Level
Creates a startup registry entry.

Technical Details:

File System Modifications

• The following files were created in the system:

• 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%\Wovu

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	311,296 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 Key was created:
• HKEY_CURRENT_USER\Software\Microsoft\Valao

• The newly created Registry Values are:
• [HKEY_CURRENT_USER\Identities]
• Identity Login = 0x00098053
• [HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run]
• {3DFA1AE4-115C-AD7B-A6BA-A75086AF8442} = ""%AppData%\Wovu\mucoc.exe""

so that mucoc.exe runs every time Windows starts

• [HKEY_CURRENT_USER\Software\Microsoft\Valao]
• 22e0e1gb = "uD8AFksnB3sXbDBid4vCsA=="
• 2648576d = 80 3F 6E 16
• 1182ddd = 84 76 6E 16 EC 79 36 7B 27 6C 45 62

Other details

• To mark the presence in the system, the following Mutex object was created:
• Local\{FA4803F7-084F-6AC9-A6BA-A75086AF8442}