ThreatExpert Report: Mal/PdfExDr-B, Trojan.Win32.Dialer

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Submission Summary:

Submission details:

Submission received: 4 August 2012, 03:00:43
Processing time: 9 min 57 sec
Submitted sample:

File MD5: 0xE6EAD39072F3D275C1EF432632AF16FE
File SHA-1: 0x09B90D4D5872F0BCEE41E414B1A2075651ED9B21
Filesize: 41,472 bytes
Alias & packer info:

Mal/PdfExDr-B [Sophos]
Trojan.Win32.Dialer [Ikarus]
packed with: UPX [Kaspersky Lab]

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:

#	Filename(s)	File Size	File Hash	Alias
1	c:\intel\cc.bat	38 bytes	MD5: 0x4E8B4866990B16582997D9846C3EF235 SHA-1: 0x119008394417FBF97EBCD90F4C5BEBA99B95F5A2	(not available)
2	c:\intel\cc.js	75 bytes	MD5: 0xB008AA4ADA6CC9390E132AE5129A9CEF SHA-1: 0x655305B2D14020306F5D6544DFE33120BB3DA2E3	(not available)
3	c:\intel\iexplorer.exe [file and pathname of the sample #1]	41,472 bytes	MD5: 0xE6EAD39072F3D275C1EF432632AF16FE SHA-1: 0x09B90D4D5872F0BCEE41E414B1A2075651ED9B21	Mal/PdfExDr-B [Sophos] Trojan.Win32.Dialer [Ikarus] packed with UPX [Kaspersky Lab]
4	%System%\statics	89 bytes	MD5: 0xD9D1F3301749F29D7EF1D3C4732C2C82 SHA-1: 0x0A6E94DB3AED53510098AF1E0BB6394137A49E0A	(not available)

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).

The following directory was created:

c:\intel

Memory Modifications

There was a new process created in the system:

Process Name	Process Filename	Main Module Size
[filename of the sample #1]	[file and pathname of the sample #1]	110,592 bytes

Registry Modifications

The following Registry Key was created:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Active Setup\Installed Components\{0088EAF2-030A-466e-8DFA-C3BFE662E028}

The newly created Registry Value is:

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Active Setup\Installed Components\{0088EAF2-030A-466e-8DFA-C3BFE662E028}]

StubPath = "wscript.exe "(null)cc.js""

so that cc.js runs every time Windows starts

Other details

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

China

The following Host Name was requested from a host database:

wjj430.3322.org

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