ThreatExpert Report: Mal/ZAccConf-A

Submission Summary:

Submission details:

Submission received: 20 September 2012, 11:48:18
Processing time: 7 min 40 sec
Submitted sample:

File MD5: 0xF1425502E6A0058D2899A7B04E7F8CC5
File SHA-1: 0x93E8C39055164D40420666BC049E6C5B7D81557B
Filesize: 162,304 bytes

Summary of the findings:

What's been found	Severity Level
Creates fake Recycle Bin folder.

Technical Details:

File System Modifications

The following files were created in the system:

#	Filename(s)	File Size	File Hash	Alias
1	c:\RECYCLER\S-1-5-18\$cbf7078772f9b6ef7e3c8c19ccb74892\@ c:\RECYCLER\S-1-5-21-606747145-764733703-839522115-1003\$cbf7078772f9b6ef7e3c8c19ccb74892\@	2,048 bytes	MD5: 0x1142FAF7AE5C8A4428664DC95B23E8F5 SHA-1: 0x21CA9CC464ADF4608D5D9EF39FCD787473FE931D	Mal/ZAccConf-A [Sophos]
2	c:\RECYCLER\S-1-5-18\$cbf7078772f9b6ef7e3c8c19ccb74892\n c:\RECYCLER\S-1-5-21-606747145-764733703-839522115-1003\$cbf7078772f9b6ef7e3c8c19ccb74892\n	48,640 bytes	MD5: 0x9777BB1754DB6C0EC1F97216C60BE645 SHA-1: 0x51070793F2A39385519C081F1085BABA03A21459	(not available)
3	[file and pathname of the sample #1]	162,304 bytes	MD5: 0xF1425502E6A0058D2899A7B04E7F8CC5 SHA-1: 0x93E8C39055164D40420666BC049E6C5B7D81557B	(not available)

The following directories were created:

c:\RECYCLER\S-1-5-18
c:\RECYCLER\S-1-5-18\$cbf7078772f9b6ef7e3c8c19ccb74892
c:\RECYCLER\S-1-5-18\$cbf7078772f9b6ef7e3c8c19ccb74892\L
c:\RECYCLER\S-1-5-18\$cbf7078772f9b6ef7e3c8c19ccb74892\U
c:\RECYCLER\S-1-5-21-606747145-764733703-839522115-1003\$cbf7078772f9b6ef7e3c8c19ccb74892
c:\RECYCLER\S-1-5-21-606747145-764733703-839522115-1003\$cbf7078772f9b6ef7e3c8c19ccb74892\L
c:\RECYCLER\S-1-5-21-606747145-764733703-839522115-1003\$cbf7078772f9b6ef7e3c8c19ccb74892\U

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]	233,472 bytes

The following modules were loaded into the address space of other process(es):

Module Name	Module Filename	Address Space Details
z	%System%\z	Process name: services.exe Process filename: %System%\services.exe Address space: 0x45670000 - 0x4567F000
z	%System%\z	Process name: explorer.exe Process filename: %Windir%\explorer.exe Address space: 0x45670000 - 0x4567F000

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).
%Windir% is a variable that refers to the Windows installation folder. By default, this is C:\Windows or C:\Winnt.

The following system service was modified:

Service Name	Display Name	New Status	Service Filename
ALG	Application Layer Gateway Service	"Stopped"	%System%\alg.exe

Registry Modifications

The following Registry Keys were created:

HKEY_CURRENT_USER\Software\Classes\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}
HKEY_CURRENT_USER\Software\Classes\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32

The newly created Registry Value is:

[HKEY_CURRENT_USER\Software\Classes\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32]

ThreadingModel = "Both"
(Default) = "C:\RECYCLER\S-1-5-21-606747145-764733703-839522115-1003\$cbf7078772f9b6ef7e3c8c19ccb74892\n."

Other details

The following Host Name was requested from a host database:

192.5.5.241

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