ThreatExpert Report: VirTool:Win32/DelfInject.gen!CP, Trojan-Downloader.Win32.Delf.ACC

Visit ThreatExpert web site

Close Report

Submission Summary:

Submission details:

Submission received: 15 August 2012, 00:00:40
Processing time: 7 min 49 sec
Submitted sample:

File MD5: 0x4854FBDC5E9354BD72C5DC00ADEA1B92
File SHA-1: 0x10D7D29A363EB5B55BF1458FE923C1D38A5A4B97
Filesize: 167,424 bytes
Alias:

VirTool:Win32/DelfInject.gen!CP [Microsoft]
Trojan-Downloader.Win32.Delf.ACC [Ikarus]

Summary of the findings:

What's been found	Severity Level
Downloads/requests other files from Internet.

Technical Details:

File System Modifications

The following files were created in the system:

#	Filename(s)	File Size	File Hash	Alias
1	%UserProfile%\Applications\NT\svchost.exe [file and pathname of the sample #1]	167,424 bytes	MD5: 0x4854FBDC5E9354BD72C5DC00ADEA1B92 SHA-1: 0x10D7D29A363EB5B55BF1458FE923C1D38A5A4B97	VirTool:Win32/DelfInject.gen!CP [Microsoft] Trojan-Downloader.Win32.Delf.ACC [Ikarus]
2	%Temp%\nfnegd.bat	108 bytes	MD5: 0x67FC3FCA5DB3AAFA5EF64E2D034F584E SHA-1: 0x572E62F1F2331C3BCBA7ECA8B442E088C3F455C7	(not available)

Notes:

%UserProfile% is a variable that specifies the current user's profile folder. By default, this is C:\Documents and Settings\[UserName] (Windows NT/2000/XP).
%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).

The following directories were created:

%UserProfile%\Applications
%UserProfile%\Applications\NT

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]	73,728 bytes
svchost.exe	%UserProfile%\Applications\NT\svchost.exe	73,728 bytes

There was a new service created in the system:

Service Name	Display Name	Status	Service Filename
MsIRSTS	Intel(R) Rapid Storage Technology Service	"Stopped"	%UserProfile%\Applications\NT\svchost.exe

Registry Modifications

The following Registry Keys were created:

HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Enum\Root\LEGACY_MSIRSTS
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Enum\Root\LEGACY_MSIRSTS\0000
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Enum\Root\LEGACY_MSIRSTS\0000\Control
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\MsIRSTS
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\MsIRSTS\Security
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\MsIRSTS\Enum
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\Root\LEGACY_MSIRSTS
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\Root\LEGACY_MSIRSTS\0000
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\Root\LEGACY_MSIRSTS\0000\Control
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\MsIRSTS
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\MsIRSTS\Security
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\MsIRSTS\Enum
HKEY_USERS\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced

The newly created Registry Values are:

[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Enum\Root\LEGACY_MSIRSTS\0000\Control]

*NewlyCreated* = 0x00000000
ActiveService = "MsIRSTS"

[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Enum\Root\LEGACY_MSIRSTS\0000]

Service = "MsIRSTS"
Legacy = 0x00000001
ConfigFlags = 0x00000000
Class = "LegacyDriver"
ClassGUID = "{8ECC055D-047F-11D1-A537-0000F8753ED1}"
DeviceDesc = "Intel(R) Rapid Storage Technology Service"

[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Enum\Root\LEGACY_MSIRSTS]

NextInstance = 0x00000001

[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\MsIRSTS\Enum]

0 = "Root\LEGACY_MSIRSTS\0000"
Count = 0x00000001
NextInstance = 0x00000001

[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\MsIRSTS\Security]

Security = 01 00 14 80 90 00 00 00 9C 00 00 00 14 00 00 00 30 00 00 00 02 00 1C 00 01 00 00 00 02 80 14 00 FF 01 0F 00 01 01 00 00 00 00 00 01 00 00 00 00 02 00 60 00 04 00 00 00 00 00 14 00 FD 01 02 00 01 01 00 00 00 00 00 05 12 00 00 00 00 00 18 00 FF 01 0F 0

[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\MsIRSTS]

Type = 0x00000010
Start = 0x00000002
ErrorControl = 0x00000000
ImagePath = "%UserProfile%\Applications\NT\svchost.exe"
DisplayName = "Intel(R) Rapid Storage Technology Service"
ObjectName = "LocalSystem"
Description = "Intel(R) Management and Security Application User Notification Service - Updates the Windows Event Log with notifications of pre defined events received from the local Intel(R) Management and Security Application Device."

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\Root\LEGACY_MSIRSTS\0000\Control]

*NewlyCreated* = 0x00000000
ActiveService = "MsIRSTS"

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\Root\LEGACY_MSIRSTS\0000]

Service = "MsIRSTS"
Legacy = 0x00000001
ConfigFlags = 0x00000000
Class = "LegacyDriver"
ClassGUID = "{8ECC055D-047F-11D1-A537-0000F8753ED1}"
DeviceDesc = "Intel(R) Rapid Storage Technology Service"

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\Root\LEGACY_MSIRSTS]

NextInstance = 0x00000001

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\MsIRSTS\Enum]

0 = "Root\LEGACY_MSIRSTS\0000"
Count = 0x00000001
NextInstance = 0x00000001

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\MsIRSTS\Security]

Security = 01 00 14 80 90 00 00 00 9C 00 00 00 14 00 00 00 30 00 00 00 02 00 1C 00 01 00 00 00 02 80 14 00 FF 01 0F 00 01 01 00 00 00 00 00 01 00 00 00 00 02 00 60 00 04 00 00 00 00 00 14 00 FD 01 02 00 01 01 00 00 00 00 00 05 12 00 00 00 00 00 18 00 FF 01 0F 0

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\MsIRSTS]

Type = 0x00000010
Start = 0x00000002
ErrorControl = 0x00000000
ImagePath = "%UserProfile%\Applications\NT\svchost.exe"
DisplayName = "Intel(R) Rapid Storage Technology Service"
ObjectName = "LocalSystem"
Description = "Intel(R) Management and Security Application User Notification Service - Updates the Windows Event Log with notifications of pre defined events received from the local Intel(R) Management and Security Application Device."

[HKEY_USERS\.DEFAULT\Software\Microsoft\Internet Explorer\Main]

Use FormSuggest = "yes"
DisableScriptDebuggerIE = "yes"
Error Dlg Displayed On Every Error = "no"

[HKEY_USERS\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced]

Hidden = 0x00000002
ShowSuperHidden = 0x00000000
SuperHidden = 0x00000001

[HKEY_USERS\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings]

WarnonBadCertRecving = 0x00000000
CertificateRevocation = 0x00000000
WarnonZoneCrossing = 0x00000000
WarnOnPostRedirect = 0x00000000

The following Registry Values were modified:

[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\ServiceCurrent]

(Default) =

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\ServiceCurrent]

(Default) =

[HKEY_USERS\.DEFAULT\AppEvents\Schemes\Apps\Explorer\Navigating\.Current]

(Default) =

[HKEY_USERS\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]

Cookies =
History =

[HKEY_USERS\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3]

1601 =

Other details

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

dn3g5g3os

The following Host Name was requested from a host database:

192.5.5.241

The data identified by the following URL was then requested from the remote web server:

http://www.aaxml.com/p6.asp?MAC=NULL MAC&Publicer=1us1

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.