ThreatExpert Report: Worm.Win32.AutoIt

Submission Summary:

Submission details:

Submission received: 24 September 2012, 13:33:14
Processing time: 9 min 54 sec
Submitted sample:

File MD5: 0x49C6147005B6CB1B3A854A7B384ECCDB
File SHA-1: 0xF942F8F8C56CD617117CB84E6A3E844B4D298083
Filesize: 862,274 bytes
Alias: Worm.Win32.AutoIt [Ikarus]

Summary of the findings:

What's been found	Severity Level
Downloads/requests other files from Internet.
Creates a startup registry entry.

Technical Details:

The new window was created, as shown below:

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File System Modifications

The following files were created in the system:

#	Filename(s)	File Size	File Hash	Alias
1	%AppData%\sfe.rtf	118,792 bytes	MD5: 0xDF21A8860F0669C5EDE19E2F9C9B7734 SHA-1: 0x1C51E380F5CE99284364007FCD64D0F3722FC518	(not available)
2	%System%\Guard.exe [file and pathname of the sample #1]	862,274 bytes	MD5: 0x49C6147005B6CB1B3A854A7B384ECCDB SHA-1: 0xF942F8F8C56CD617117CB84E6A3E844B4D298083	Worm.Win32.AutoIt [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.
%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
Guard.exe	%System%\guard.exe	147,456 bytes
[filename of the sample #1]	[file and pathname of the sample #1]	819,200 bytes

Registry Modifications

The newly created Registry Value is:

[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run]

Guard.exe = "%System%\Guard.exe"

so that Guard.exe runs every time Windows starts

Other details

Analysis of the file resources indicate the following possible country of origin:

United Kingdom

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

systen32

The following ports were open in the system:

Port	Protocol	Process
1043	TCP	Guard.exe (%System%\Guard.exe)
7380	TCP	Guard.exe (%System%\Guard.exe)

The following Host Name was requested from a host database:

skanix.ws

The following HTTP URL was started reading:

http://skanix.ws/panel/ping.php

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