ThreatExpert Report: Mal/ZAccConf-A

Submission Summary:

Submission details:

Submission received: 12 September 2012, 02:18:55
Processing time: 8 min 44 sec
Submitted sample:

File MD5: 0xDE206DB7B3FF93D98CB16CC977DA4A15
File SHA-1: 0x0B229E02DB4E3AC0F9C941284AF5EEBE6BC9E62E
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\@	2,048 bytes	MD5: 0xAF8897EED6808B8AB15B3831A511BAB5 SHA-1: 0x138540036F12935C5198CBA0D3568ABEF6E51DDD	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	47,104 bytes	MD5: 0x66ADA8548A248C58AAEB23381BE585FE SHA-1: 0x781F85E80AE5AD65DB4C9DF19C416E4806C828E5	(not available)
3	c:\RECYCLER\S-1-5-21-606747145-764733703-839522115-1003\$cbf7078772f9b6ef7e3c8c19ccb74892\@	2,048 bytes	MD5: 0x249DA05A4EFAA14C821FE4A69654394D SHA-1: 0x73E746F5B8BD8F46472117524C346B164DEA1CD2	Mal/ZAccConf-A [Sophos]
4	[file and pathname of the sample #1]	162,304 bytes	MD5: 0xDE206DB7B3FF93D98CB16CC977DA4A15 SHA-1: 0x0B229E02DB4E3AC0F9C941284AF5EEBE6BC9E62E	(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]	212,992 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 - 0x4567E000
z	%System%\z	Process name: explorer.exe Process filename: %Windir%\explorer.exe Address space: 0x45670000 - 0x4567E000

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."

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