ThreatExpert Report: Trojan.Gen.2, Trojan.Win32.Scar.evdl, Generic BackDoor!dqt, Mal/EncPk-CK..

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Submission Summary:

Submission details:

Submission received: 6 October 2012, 05:14:22
Processing time: 9 min 31 sec
Submitted sample:

File MD5: 0xB319E141BD4AC4CEE08A408ACED9EDD0
File SHA-1: 0x69E65595D2973210E1FE47FB28E3EF10D096292C
Filesize: 154,624 bytes
Alias:

Trojan.Gen.2 [Symantec]
Trojan.Win32.Scar.evdl [Kaspersky Lab]
Generic BackDoor!dqt [McAfee]
Mal/EncPk-CK [Sophos]
Backdoor:Win32/Oderoor.gen!D [Microsoft]
Backdoor.Win32.Oderoor [Ikarus]

Summary of the findings:

What's been found	Severity Level
Downloads/requests other files from Internet.
Creates a startup registry entry.
Contains characteristics of an identified security risk.

Technical Details:

Possible Security Risk

Attention! The following threat category was identified:

Threat Category	Description
	A malicious trojan horse or bot that may represent security risk for the compromised system and/or its network environment

File System Modifications

The following files were created in the system:

#	Filename(s)	File Size	File Hash	Alias
1	%Temp%\uwzykueuDCCB1E26.tmp	0 bytes	MD5: 0xD41D8CD98F00B204E9800998ECF8427E SHA-1: 0xDA39A3EE5E6B4B0D3255BFEF95601890AFD80709	(not available)
2	%System%\retoubisse.exe %System%\tujewa.exe	154,624 bytes	MD5: 0xB319E141BD4AC4CEE08A408ACED9EDD0 SHA-1: 0x69E65595D2973210E1FE47FB28E3EF10D096292C	Trojan.Gen.2 [Symantec] Trojan.Win32.Scar.evdl [Kaspersky Lab] Generic BackDoor!dqt [McAfee] Mal/EncPk-CK [Sophos] Backdoor:Win32/Oderoor.gen!D [Microsoft] Backdoor.Win32.Oderoor [Ikarus]

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).
%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).

Memory Modifications

There were new processes created in the system:

Process Name	Process Filename	Main Module Size
tujewa.exe	%System%\tujewa.exe	290,816 bytes
retoubisse.exe	%System%\retoubisse.exe	290,816 bytes

There was a new service created in the system:

Service Name	Display Name	Status	Service Filename
iuiuuvuobduba3ai	Asset Management Daemon	"Stopped"	%System%\retoubisse.exe

Registry Modifications

The following Registry Keys were created:

HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\iuiuuvuobduba3ai
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\iuiuuvuobduba3ai\Security
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\iuiuuvuobduba3ai
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\iuiuuvuobduba3ai\Security

The newly created Registry Values are:

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run]

woofufut = "%System%\tujewa.exe"

so that tujewa.exe runs every time Windows starts

[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\iuiuuvuobduba3ai\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\iuiuuvuobduba3ai]

Type = 0x00000010
Start = 0x00000002
ErrorControl = 0x00000000
ImagePath = "%System%\retoubisse.exe"
DisplayName = "Asset Management Daemon"
ObjectName = "LocalSystem"
Description = "Display configuration software used by several manufacturers."

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\iuiuuvuobduba3ai\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\iuiuuvuobduba3ai]

Type = 0x00000010
Start = 0x00000002
ErrorControl = 0x00000000
ImagePath = "%System%\retoubisse.exe"
DisplayName = "Asset Management Daemon"
ObjectName = "LocalSystem"
Description = "Display configuration software used by several manufacturers."

Other details

To mark the presence in the system, the following Mutex objects were created:

Global\591713260
Global\591713382

The following Host Names were requested from a host database:

206.137.17.89
www.aol.com
www.bbc.co.uk
www.yahoo.com

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

Remote Host	Port Number
67.195.168.31	25
67.195.168.230	25
74.6.136.65	25

The following HTTP URLs were started reading:

http://www.aol.com/index.html
http://www.bbc.co.uk/index.html
http://www.yahoo.com/index.html

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

http://www.ipchicken.com/
http://checkip.dyndns.com/
http://www.find-ip-address.org/
http://www.grokster.com/
http://www.myipaddress.com/
http://www.ip-adress.com/
http://www.showipaddress.com/
http://whatismyipaddress.com/
http://www.ipaddress.com/

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