Submission Summary:

• Submission details:
• Submission received: 23 October 2012, 03:35:12
• Processing time: 7 min 35 sec
• Submitted sample:
• File MD5: 0x37D1FFB4BED0B725441F9BAAFE2FA184
• File SHA-1: 0x5E919A43C50A6EBD6B57D3772FDE118C835C3957
• Filesize: 8,704 bytes
• Alias & packer info:
• Backdoor.Oblivion [Symantec]
• Backdoor.Win32.Oblivion.011 [Kaspersky Lab]
• BackDoor-QY [McAfee]
• BKDR_OBLIVION.11 [Trend Micro]
• Troj/Oblivion-B [Sophos]
• Backdoor.Win32.Oblivion.011 [Ikarus]
• Win-Trojan/Oblivion.8736.B [AhnLab]
• packed with: UPX [Kaspersky Lab]

Technical Details:

Possible Security Risk

• Attention! The following threat category was identified:

Threat Category	Description
	A malicious backdoor trojan that runs in the background and allows remote access to the compromised system

File System Modifications

• The following file was created in the system:

#	Filename(s)	File Size	File Hash	Alias
1	%System%\iexpIore.exe [file and pathname of the sample #1]	8,704 bytes	MD5: 0x37D1FFB4BED0B725441F9BAAFE2FA184 SHA-1: 0x5E919A43C50A6EBD6B57D3772FDE118C835C3957	Backdoor.Oblivion [Symantec] Backdoor.Win32.Oblivion.011 [Kaspersky Lab] BackDoor-QY [McAfee] BKDR_OBLIVION.11 [Trend Micro] Troj/Oblivion-B [Sophos] Backdoor.Win32.Oblivion.011 [Ikarus] Win-Trojan/Oblivion.8736.B [AhnLab] packed with UPX [Kaspersky Lab]

• Note:
• %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).

Memory Modifications

• There were new processes created in the system:

Process Name	Process Filename	Main Module Size
[filename of the sample #1]	[file and pathname of the sample #1]	45,056 bytes
iexpIore.exe	%System%\iexpiore.exe	45,056 bytes

Registry Modifications

• The following Registry Keys were created:
• HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Active Setup\Installed Components\Default Web Browser
• HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\RunServices

• The newly created Registry Values are:
• [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Active Setup\Installed Components\Default Web Browser]
• StubPath = "%System%\iexpIore.exe ASC"

so that iexpIore.exe runs every time Windows starts

• [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run]
• Default Web Browser = "%System%\iexpIore.exe"

so that iexpIore.exe runs every time Windows starts

• [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\RunServices]
• Default Web Browser = "%System%\iexpIore.exe"

so that iexpIore.exe runs every time Windows starts

• [HKEY_CURRENT_USER\Software\Microsoft\Windows NT\CurrentVersion\Windows]
• run = "iexpIore.exe"

so that iexpIore.exe runs every time Windows starts

• The following Registry Values were modified:
• [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon]
• Shell =
• [HKEY_CURRENT_USER\Software\Microsoft\Windows NT\CurrentVersion\Windows]
• load =

Other details

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