Submission Summary:

• Submission details:
• Submission received: 2 October 2012, 02:43:42
• Processing time: 8 min 48 sec
• Submitted sample:
• File MD5: 0x664C619E6B656A1F4CE5F049D694F0C9
• File SHA-1: 0x99C8816B99AC004B14BCEA3A31886EF466C29CB3
• Filesize: 102,400 bytes
• Alias:
• Backdoor.Win32.Floder.iis [Kaspersky Lab]
• Generic BackDoor!1pk [McAfee]
• W32/Autorun-BWH [Sophos]
• Worm:Win32/Dorkbot.I [Microsoft]
• Win32.SuspectCrc [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 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	%AppData%\Edxaxe.exe	102,400 bytes	MD5: 0x664C619E6B656A1F4CE5F049D694F0C9 SHA-1: 0x99C8816B99AC004B14BCEA3A31886EF466C29CB3	Backdoor.Win32.Floder.iis [Kaspersky Lab] Generic BackDoor!1pk [McAfee] W32/Autorun-BWH [Sophos] Worm:Win32/Dorkbot.I [Microsoft] Win32.SuspectCrc [Ikarus]

• Note:
• %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.

Memory Modifications

• There were new memory pages created in the address space of the system process(es):

Process Name	Process Filename	Allocated Size
services.exe	%System%\services.exe	167,936 bytes
svchost.exe	%System%\svchost.exe	167,936 bytes
svchost.exe	%System%\svchost.exe	167,936 bytes
svchost.exe	%System%\svchost.exe	167,936 bytes
svchost.exe	%System%\svchost.exe	167,936 bytes
svchost.exe	%System%\svchost.exe	167,936 bytes
alg.exe	%System%\alg.exe	167,936 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 newly created Registry Value is:
• [HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run]
• Edxaxe = "%AppData%\Edxaxe.exe"

so that Edxaxe.exe runs every time Windows starts

Other details

• To mark the presence in the system, the following Mutex object was created:
• t2f_ngme-Mutex