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

Submission Summary:

Submission details:

Submission received: 17 August 2012, 02:26:57
Processing time: 7 min 35 sec
Submitted sample:

File MD5: 0xDC34D0B5ADF57B8928BF4BEACB7AA744
File SHA-1: 0x8913D22C02CCF30F1536DD2EE6B655FDE2DF8239
Filesize: 372,736 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%\20120817022701.cab.bak	103,472 bytes	MD5: 0x2A676486EB228796147AD76931074592 SHA-1: 0xAF8FD549E954598D319D349745ACE465A19B5059	(not available)
3	%ProgramFiles%\Common Files\svchost.exe [file and pathname of the sample #1]	372,736 bytes	MD5: 0xDC34D0B5ADF57B8928BF4BEACB7AA744 SHA-1: 0x8913D22C02CCF30F1536DD2EE6B655FDE2DF8239	Mal/Emogen-Y [Sophos] Trojan:Win32/Malex.gen!E [Microsoft] Trojan.Win32.Malex [Ikarus]
4	%Windir%\drive.ini	48 bytes	MD5: 0xEA6F745DD361E4EFD51D4707EC565250 SHA-1: 0x1717204D8341663164D2F1F3022CB0E7CC20D262	(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
[filename of the sample #1]	[file and pathname of the sample #1]	454,656 bytes
svchost.exe	%ProgramFiles%\common files\svchost.exe	454,656 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

All content ("Information") contained in this report is the copyrighted work of Threat Expert Ltd and its associated companies ("ThreatExpert") and may not be copied without the express permission of ThreatExpert.

The Information is provided on an "as is" basis. ThreatExpert disclaims all warranties, whether express or implied, to the maximum extent permitted by law, including the implied warranties that the Information is merchantable, of satisfactory quality, accurate, fit for a particular purpose or need, or non-infringing, unless such implied warranties are legally incapable of exclusion. Further, ThreatExpert does not warrant or make any representations regarding the use or the results of the use of the Information in terms of their correctness, accuracy, reliability, or otherwise.