ThreatExpert Report

Submission Summary:

Submission details:

Submission received: 15 October 2009, 18:00:53
Processing time: 7 min 18 sec
Submitted sample:

File MD5: 0x3FD16C260085C8E6391C4478419C3447
File SHA-1: 0x768D9E728BA192B8C10C2DA392C7EE1F580BB2F3
Filesize: 47,616 bytes

Summary of the findings:

What's been found	Severity Level
Downloads/requests other files from Internet.
Installs a default debugger that is injected into the execution sequence of a target application. If a threat is installed as a default debugger, it will be run every time a target application is attempted to be launched - either to mimic it and hide its own presence (e.g. an open port or a running process), or simply to be activated as often as possible.

Technical Details:

File System Modifications

The following file was created in the system:

#	Filename(s)	File Size	File Hash
1	%System%\jppl.exe [file and pathname of the sample #1]	47,616 bytes	MD5: 0x3FD16C260085C8E6391C4478419C3447 SHA-1: 0x768D9E728BA192B8C10C2DA392C7EE1F580BB2F3

Note:

%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 was a new process created in the system:

Process Name	Process Filename	Main Module Size
[filename of the sample #1]	[file and pathname of the sample #1]	32,768 bytes

Registry Modifications

The following Registry Keys were created:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\wrttwuqq
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\chrome.exe
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\navigator.exe
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\opera.exe
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\safari.exe
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\userinit.exe

The newly created Registry Values are:

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\wrttwuqq]

(Default) = 07 15 00 81 5E 1B A8 83 4E DE CE 15 72 EA 68 1D 75 31 31 41 81 11 98 08 34 DF 67 5C 5A C0 66 60 AF 8F BE 5B 04 5F 16 57 59 2E 6E 52 AE FD C5 4D 03 BE 6A 2C 3D E8 16 31 D9 45 AE 51 2D 0A 15 14 36 3B 53 5F 95 D9 D4 31 01 A9 2C 2D 56 78 84 28 AB 47 DC 2

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\chrome.exe]

Debugger = "%ProgramFiles%\Internet Explorer\iexplore.exe"

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\navigator.exe]

Debugger = "%ProgramFiles%\Internet Explorer\iexplore.exe"

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\opera.exe]

Debugger = "%ProgramFiles%\Internet Explorer\iexplore.exe"

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\safari.exe]

Debugger = "%ProgramFiles%\Internet Explorer\iexplore.exe"

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\userinit.exe]

Debugger = "jppl.exe"

so that jppl.exe is injected into the execution sequence of userinit.exe by being installed as its default debugger

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

ProxyEnable = 0x00000000

The following Registry Value was modified:

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

Cookies =
Cache =
History =

Other details

The following Internet Connections were established:

Server Name	Server Port	Connect as User	Connection Password
mabtion.cn	80	(null)	(null)
sweetcut.cn	80	(null)	(null)
wooobo.cn	80	(null)	(null)

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.