ThreatExpert Report: Mal/Emogen-Y, Trojan:Win32/Malex.gen!E, Trojan.Win32.Malex

Submission Summary:

Submission details:

Submission received: 14 September 2012, 03:50:29
Processing time: 7 min 54 sec
Submitted sample:

File MD5: 0x3C2987B461BCF30342748123692122D0
File SHA-1: 0x212FC546CAF408BC6CA71A13FF1F4FC9D853C000
Filesize: 315,392 bytes
Alias:

Summary of the findings:

What's been found	Severity Level
Contains characteristics of an identified security risk.

Technical Details:

Possible Security Risk

Attention! Characteristics of the following security risk was identified in the system:

Security Risk	Description
Trojan.Generic	Common Components that may be used by Trojans Small, DRSN Search, Binet, Euniverse, Adrotator and Dloader among others.

File System Modifications

The following files were created in the system:

#	Filename(s)	File Size	File Hash	Alias
1	%Temp%\xx100 %Temp%\xx101 %Temp%\xx102 %Temp%\xx103 %Temp%\xx104 %Temp%\xx105 %Temp%\xx106 %Temp%\xx107 %Temp%\xx108 %Temp%\xx109 %Temp%\xx110 %Temp%\xx111 %Temp%\xx112 %Temp%\xx113 %Temp%\xx114 %Temp%\xx115 %Temp%\xx116 %Temp%\xx117 %Temp%\xx118 %Temp%\xx119 %Temp%\xx12 %Temp%\xx120 %Temp%\xx121 %Temp%\xx122 %Temp%\xx123 %Temp%\xx124 %Temp%\xx125 %Temp%\xx126 %Temp%\xx127 %Temp%\xx128 %Temp%\xx129 %Temp%\xx13 %Temp%\xx130 %Temp%\xx131 %Temp%\xx132 %Temp%\xx133 %Temp%\xx134 %Temp%\xx135 %Temp%\xx136 %Temp%\xx137 %Temp%\xx138 %Temp%\xx139 %Temp%\xx14 %Temp%\xx140 %Temp%\xx141 %Temp%\xx142 %Temp%\xx143 %Temp%\xx144 %Temp%\xx145 %Temp%\xx146 %Temp%\xx147 %Temp%\xx148 %Temp%\xx149 %Temp%\xx15 %Temp%\xx150 %Temp%\xx151 %Temp%\xx152 %Temp%\xx153 %Temp%\xx154 %Temp%\xx155 %Temp%\xx156 %Temp%\xx157 %Temp%\xx158 %Temp%\xx159 %Temp%\xx16 %Temp%\xx160 %Temp%\xx161 %Temp%\xx162 %Temp%\xx163 %Temp%\xx164 %Temp%\xx165 %Temp%\xx166 %Temp%\xx167 %Temp%\xx168 %Temp%\xx169 %Temp%\xx17 %Temp%\xx170 %Temp%\xx171 %Temp%\xx172 %Temp%\xx173 %Temp%\xx174 %Temp%\xx175 %Temp%\xx176 %Temp%\xx177 %Temp%\xx178 %Temp%\xx179 %Temp%\xx18 %Temp%\xx180 %Temp%\xx181 %Temp%\xx182 %Temp%\xx183 %Temp%\xx184 %Temp%\xx185 %Temp%\xx186 %Temp%\xx187 %Temp%\xx188 %Temp%\xx189 %Temp%\xx19 %Temp%\xx190 %Temp%\xx191	0 bytes	MD5: 0xD41D8CD98F00B204E9800998ECF8427E SHA-1: 0xDA39A3EE5E6B4B0D3255BFEF95601890AFD80709	(not available)
2	%ProgramFiles%\Common Files\log\%ComputerName%\20120914035032.cab.bak	103,456 bytes	MD5: 0x7C8916443386558455BE23317355CA90 SHA-1: 0x7C3FD5BB27BA9F4EB5F1960A8C4FA651A11CF817	(not available)
3	%ProgramFiles%\Common Files\svchost.exe [file and pathname of the sample #1]	315,392 bytes	MD5: 0x3C2987B461BCF30342748123692122D0 SHA-1: 0x212FC546CAF408BC6CA71A13FF1F4FC9D853C000	Mal/Emogen-Y [Sophos] Trojan:Win32/Malex.gen!E [Microsoft] Trojan.Win32.Malex [Ikarus]
4	%Windir%\drive.ini	50 bytes	MD5: 0xAF952DF004090B0B92BCC5AB1C4B9F72 SHA-1: 0x780BD6AED519E3B0A3AFA6BE03B305639A76C35B	(not available)

Notes:

%Temp% is a variable that refers to the temporary folder in the short path form. By default, this is C:\Documents and Settings\[UserName]\Local Settings\Temp\ (Windows NT/2000/XP).
%ProgramFiles% is a variable that refers to the Program Files folder. A typical path is C:\Program Files.
%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:

%ProgramFiles%\Common Files\log
%ProgramFiles%\Common Files\log\%ComputerName%
%Windir%\log

Memory Modifications

There were new processes created in the system:

Process Name	Process Filename	Main Module Size
svchost.exe	%ProgramFiles%\common files\svchost.exe	323,584 bytes
[filename of the sample #1]	[file and pathname of the sample #1]	323,584 bytes

Registry Modifications

The following Registry Keys were created:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\ESENT\Process\ipconfig
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\ESENT\Process\ipconfig\DEBUG

The newly created Registry Values are:

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\ESENT\Process\ipconfig\DEBUG]

Trace Level = ""

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\Folder\Hidden\SHOWALL]

CheckedValue = "0x00000001 (1)"

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\Folder\HideFileExt]

UncheckedValue = "0x00000000 (0)"

The following Registry Values were deleted:

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\Folder\Hidden\SHOWALL]

CheckedValue = 0x00000001

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\Folder\HideFileExt]

UncheckedValue = 0x00000000

The following Registry Value was modified:

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon]

Userinit =

Other details

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

China

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

fuwa

The following Host Name was requested from a host database:

192.5.5.241

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