ThreatExpert Report: Suspicious.Graybird.1, New Malware.ix, Mal/Behav-058

Visit ThreatExpert web site

Close Report

Submission Summary:

Submission details:

Submission received: 28 June 2009, 22:06:46
Processing time: 6 min 10 sec
Submitted sample:

File MD5: 0x89394D0F90294E4843D89C57072DCEC2
File SHA-1: 0x2FB971F7D68FD91DDBFF35B140EC5EE9E8AF31DA
Filesize: 292,352 bytes
Alias & packer info:

Suspicious.Graybird.1 [Symantec]
New Malware.ix [McAfee]
Mal/Behav-058 [Sophos]
packed with: PE_Patch.UPX [Kaspersky Lab]

Summary of the findings:

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

Technical Details:

Possible Security Risk

Attention! Characteristics of the following security risks were identified in the system:

Security Risk	Description
Backdoor.Graybird.HF	Backdoor.GrayBird.HF is a backdoor trojan which places itself in the system folder and allows attackers to gain access and control of the infected system.
Backdoor.Hupigon	Backdoor.Hupigon is a backdoor trojan which allows unauthorized remote access into the infected computer to perform other malicious activities.

File System Modifications

The following files were created in the system:

#	Filename(s)	File Size	File Hash	Alias
1	%Temp%\EUWTTC.bat	114 bytes	MD5: 0x284E47A87715BCA3B029A9190E586EC4 SHA-1: 0x7C7AF208F6EA015759F1A1812D78EB3505E78B79	(not available)
2	%Windir%\RemoteAbc.exe [file and pathname of the sample #1]	292,352 bytes	MD5: 0x89394D0F90294E4843D89C57072DCEC2 SHA-1: 0x2FB971F7D68FD91DDBFF35B140EC5EE9E8AF31DA	Suspicious.Graybird.1 [Symantec] New Malware.ix [McAfee] Mal/Behav-058 [Sophos] packed with PE_Patch.UPX [Kaspersky Lab]

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).
%Windir% is a variable that refers to the Windows installation folder. By default, this is C:\Windows or C:\Winnt.

Memory Modifications

There were new processes created in the system:

Process Name	Process Filename	Main Module Size
RemoteAbc.exe	%Windir%\remoteabc.exe	761,856 bytes
[filename of the sample #1]	[file and pathname of the sample #1]	761,856 bytes

There was a new service created in the system:

Service Name	Display Name	Status	Service Filename
Remote_Server_2008	Remote 2008	"Stopped"	%Windir%\RemoteAbc.exe

Registry Modifications

The following Registry Keys were created:

HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Enum\Root\LEGACY_REMOTE_SERVER_2008
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Enum\Root\LEGACY_REMOTE_SERVER_2008\0000
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Enum\Root\LEGACY_REMOTE_SERVER_2008\0000\Control
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\Remote_Server_2008
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\Remote_Server_2008\Security
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\Remote_Server_2008\Enum
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\Root\LEGACY_REMOTE_SERVER_2008
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\Root\LEGACY_REMOTE_SERVER_2008\0000
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\Root\LEGACY_REMOTE_SERVER_2008\0000\Control
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Remote_Server_2008
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Remote_Server_2008\Security
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Remote_Server_2008\Enum

The newly created Registry Values are:

[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Enum\Root\LEGACY_REMOTE_SERVER_2008\0000\Control]

*NewlyCreated* = 0x00000000
ActiveService = "Remote_Server_2008"

[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Enum\Root\LEGACY_REMOTE_SERVER_2008\0000]

Service = "Remote_Server_2008"
Legacy = 0x00000001
ConfigFlags = 0x00000000
Class = "LegacyDriver"
ClassGUID = "{8ECC055D-047F-11D1-A537-0000F8753ED1}"
DeviceDesc = "Remote 2008"

[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Enum\Root\LEGACY_REMOTE_SERVER_2008]

NextInstance = 0x00000001

[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\Remote_Server_2008\Enum]

0 = "Root\LEGACY_REMOTE_SERVER_2008\0000"
Count = 0x00000001
NextInstance = 0x00000001

[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\Remote_Server_2008\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\Remote_Server_2008]

Type = 0x00000110
Start = 0x00000002
ErrorControl = 0x00000000
ImagePath = "%Windir%\RemoteAbc.exe"
DisplayName = "Remote 2008"
ObjectName = "LocalSystem"
Description = "Remote Control!"

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\Root\LEGACY_REMOTE_SERVER_2008\0000\Control]

*NewlyCreated* = 0x00000000
ActiveService = "Remote_Server_2008"

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\Root\LEGACY_REMOTE_SERVER_2008\0000]

Service = "Remote_Server_2008"
Legacy = 0x00000001
ConfigFlags = 0x00000000
Class = "LegacyDriver"
ClassGUID = "{8ECC055D-047F-11D1-A537-0000F8753ED1}"
DeviceDesc = "Remote 2008"

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\Root\LEGACY_REMOTE_SERVER_2008]

NextInstance = 0x00000001

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Remote_Server_2008\Enum]

0 = "Root\LEGACY_REMOTE_SERVER_2008\0000"
Count = 0x00000001
NextInstance = 0x00000001

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Remote_Server_2008\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\Remote_Server_2008]

Type = 0x00000110
Start = 0x00000002
ErrorControl = 0x00000000
ImagePath = "%Windir%\RemoteAbc.exe"
DisplayName = "Remote 2008"
ObjectName = "LocalSystem"
Description = "Remote Control!"

The following Registry Values were modified:

[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\ServiceCurrent]

(Default) = 0x0000000C

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\ServiceCurrent]

(Default) = 0x0000000C

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:

IEHDJSFFF

The following Host Name was requested from a host database:

20768.rhelper.com

There was registered attempt to establish connection with the remote host. The connection details are:

Remote Host	Port Number
20768.rhelper.com	2009

Outbound traffic (potentially malicious)

There was an outbound traffic produced on port 2009:

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.