ThreatExpert Report: Mal/ZAccConf-A

Submission Summary:

Submission details:

Submission received: 13 September 2012, 11:14:16
Processing time: 7 min 48 sec
Submitted sample:

File MD5: 0x5E97CFABF0BA1618B827A06DF8244B11
File SHA-1: 0x3A69B1CA38A5E46047002E49A788F4C3E15A4302
Filesize: 208,896 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: 0x529132D678B2556E6730FD6A01FD21B2 SHA-1: 0x47F19B82EF62AAFF1F6F63DF97E08FD5C368E918	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	73,216 bytes	MD5: 0x9D0C78F0BE0A4480E01C6771F688821F SHA-1: 0xFEF0F9B0BCE58615AE663CEC3F8CC48EB87DE0C8	(not available)
3	c:\RECYCLER\S-1-5-21-606747145-764733703-839522115-1003\$cbf7078772f9b6ef7e3c8c19ccb74892\@	2,048 bytes	MD5: 0x6A73F4232C325F69921AD5A7C095295B SHA-1: 0x0EC610B4A77EB9F2906160C31FA0B27A9203BA3B	Mal/ZAccConf-A [Sophos]
4	%Windir%\assembly\GAC\Desktop.ini	0 bytes	MD5: 0xD41D8CD98F00B204E9800998ECF8427E SHA-1: 0xDA39A3EE5E6B4B0D3255BFEF95601890AFD80709	(not available)
5	[file and pathname of the sample #1]	208,896 bytes	MD5: 0x5E97CFABF0BA1618B827A06DF8244B11 SHA-1: 0x3A69B1CA38A5E46047002E49A788F4C3E15A4302	(not available)

Note:

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

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
%Windir%\assembly\GAC

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
y	%System%\y	Process name: services.exe Process filename: %System%\services.exe Address space: 0x6F0000 - 0x708000
y	%System%\y	Process name: explorer.exe Process filename: %Windir%\explorer.exe Address space: 0x1640000 - 0x1658000

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).

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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