ThreatExpert Report: Trojan-Dropper.Win32.Injector

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Submission Summary:

Submission details:

Submission received: 13 August 2012, 13:25:58
Processing time: 8 min 14 sec
Submitted sample:

File MD5: 0x014C2979341E0FB228B0E012908EA074
File SHA-1: 0x45A363859EAC3839EEADE1C3FFE0BB63FDBAFFFC
Filesize: 221,696 bytes
Alias & packer info:

Trojan-Dropper.Win32.Injector [Ikarus]
packed with: PE_Patch [Kaspersky Lab]

Technical Details:

File System Modifications

The following files were created in the system:

#	Filename(s)	File Size	File Hash	Alias
1	%CommonAppData%\1_elpmas.pad	4,503,728 bytes	MD5: 0x4A89EA8BCC29627D621636009C54C040 SHA-1: 0x76F973DFBF1DC125243699613FBABD439C41B574	(not available)
2	%Programs%\Startup\ctfmon.lnk	1,586 bytes	MD5: 0xA9B81AE1EF005CAAA352CB7C79DFF4C5 SHA-1: 0x803AB3A240C89470C393BA32A6CD9C6AF2643C49	(not available)
3	[file and pathname of the sample #1]	221,696 bytes	MD5: 0x014C2979341E0FB228B0E012908EA074 SHA-1: 0x45A363859EAC3839EEADE1C3FFE0BB63FDBAFFFC	Trojan-Dropper.Win32.Injector [Ikarus] packed with PE_Patch [Kaspersky Lab]

Notes:

%CommonAppData% is a variable that refers to the file system directory containing application data for all users. A typical path is C:\Documents and Settings\All Users\Application Data.
%Programs% is a variable that refers to the file system directory that contains the user's program groups. A typical path is C:\Documents and Settings\[UserName]\Start Menu\Programs.

Memory Modifications

There was a new process created in the system:

Process Name	Process Filename	Main Module Size
[generic host process]	[generic host process filename]	20,480 bytes

Notes:

[generic host process filename] is a full path filename of [generic host process].

There were new memory pages created in the address space of the system process(es):

Process Name	Process Filename	Allocated Size
[generic host process]	[generic host process filename]	126,976 bytes
[generic host process]	[generic host process filename]	5,246,976 bytes
IEXPLORE.EXE	%ProgramFiles%\internet explorer\iexplore.exe	5,246,976 bytes

Notes:

%ProgramFiles% is a variable that refers to the Program Files folder. A typical path is C:\Program Files.

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

Module Name	Module Filename	Address Space Details
[filename of the sample #1]	[file and pathname of the sample #1]	Process name: [generic host process] Process filename: [generic host process filename] Address space: 0x7000000 - 0x708A000
[filename of the sample #1]	[file and pathname of the sample #1]	Process name: [generic host process] Process filename: [generic host process filename] Address space: 0x7000000 - 0x708A000

Registry Modifications

The newly created Registry Values are:

[HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Main]

NoProtectedModeBanner = 0x00000001

[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\0]

2500 = 0x00000003

[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\1]

2500 = 0x00000003

[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\2]

2500 = 0x00000003

[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3]

2500 = 0x00000003

[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4]

2500 = 0x00000003

The following Registry Values were modified:

[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\0]

1609 =

[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\1]

1609 =

[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\2]

1609 =

[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3]

1609 =

[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4]

1609 =

Other details

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

Sweden

The following Host Names were requested from a host database:

192.5.5.241
whatwillber.com

There were registered attempts to establish connection with the remote hosts. The connection details are:

Remote Host	Port Number
146.185.255.194	80
146.185.255.194	443
146.185.218.52	443

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