PUA_TECENT.GA

 Analysis by: Johnlery Triunfante

 PLATFORM:

Windows

 OVERALL RISK RATING:
 DAMAGE POTENTIAL:
 DISTRIBUTION POTENTIAL:
 REPORTED INFECTION:
 INFORMATION EXPOSURE:

  • Threat Type: Potentially Unwanted Application

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW


This Potentially Unwanted Application may be manually installed by a user.

  TECHNICAL DETAILS

File Size:

2,263,496 bytes

File Type:

EXE

Memory Resident:

Yes

Initial Samples Received Date:

04 Jan 2017

Arrival Details

This Potentially Unwanted Application may be manually installed by a user.

Installation

This Potentially Unwanted Application drops the following files:

  • %User Temp%\nsz3E49.tmp\System.dll - Deleted afterwards
  • %User Temp%\nsz3E49.tmp\nsisFirewallW.dll - Deleted afterwards
  • %User Temp%\nse60D6.tmp\inetc.dll - Deleted afterwards
  • %User Temp%\webplugin_install.log
  • %Program Files%\Tencent\QQMicroGameBoxService\1.0.5.2\Microsoft.VC90.CRT.manifest
  • %Program Files%\Tencent\QQMicroGameBoxService\1.0.5.2\Plugin.exe
  • %Program Files%\Tencent\QQMicroGameBoxService\1.0.5.2\QQMGBWebserver.exe
  • %Program Files%\Tencent\QQMicroGameBoxService\1.0.5.2\QQMicroGameBoxService.exe
  • %Program Files%\Tencent\QQMicroGameBoxService\1.0.5.2\QQMicroGameBoxServiceUpdate.exe
  • %Program Files%\Tencent\QQMicroGameBoxService\1.0.5.2\QXMatrix.dll
  • %Program Files%\Tencent\QQMicroGameBoxService\1.0.5.2\bugreport.exe
  • %Program Files%\Tencent\QQMicroGameBoxService\1.0.5.2\log.dll
  • %Program Files%\Tencent\QQMicroGameBoxService\1.0.5.2\msvcp90.dll
  • %Program Files%\Tencent\QQMicroGameBoxService\1.0.5.2\msvcr90.dll
  • %Program Files%\Tencent\QQMicroGameBoxService\1.0.5.2\skin\Install.ico
  • %Application Data%\Tencent\WebGamePlugin\1.0.5.2\HttpDownloader.dll
  • %Application Data%\Tencent\WebGamePlugin\1.0.5.2\InstallerToolkit.dll
  • %Application Data%\Tencent\WebGamePlugin\1.0.5.2\Launcher.exe
  • %Application Data%\Tencent\WebGamePlugin\1.0.5.2\PluginManager.dll
  • %Application Data%\Tencent\WebGamePlugin\1.0.5.2\TXWGameIeHelper.dll
  • %Application Data%\Tencent\WebGamePlugin\1.0.5.2\Utility.dll
  • %Application Data%\Tencent\WebGamePlugin\1.0.5.2\npqqwebgame.dll

(Note: %User Temp% is the user's temporary folder, where it usually is C:\Documents and Settings\{user name}\Local Settings\Temp on Windows 2000, Windows Server 2003, and Windows XP (32- and 64-bit); C:\Users\{user name}\AppData\Local\Temp on Windows Vista (32- and 64-bit), Windows 7 (32- and 64-bit), Windows 8 (32- and 64-bit), Windows 8.1 (32- and 64-bit), Windows Server 2008, and Windows Server 2012.. %Program Files% is the Program Files folder, where it usually is C:\Program Files on all Windows operating system versions; C:\Program Files (x86) for 32-bit applications running on Windows 64-bit operating systems.. %Application Data% is the Application Data folder, where it usually is C:\Documents and Settings\{user name}\Application Data on Windows 2000, Windows Server 2003, and Windows XP (32- and 64-bit); C:\Users\{user name}\AppData\Roaming on Windows Vista (32- and 64-bit), Windows 7 (32- and 64-bit), Windows 8 (32- and 64-bit), Windows 8.1 (32- and 64-bit), Windows Server 2008, and Windows Server 2012.)

Other System Modifications

This Potentially Unwanted Application adds the following registry entries:

HKEY_CURRENT_USER\Software\Tencent\
bugReport\TXWebServer
bUseInterMod = 1

HKEY_CURRENT_USER\Software\MozillaPlugins\
@1.qq.com/npqqwebgame
Path = %Application Data%\Tencent\WebGamePlugin\1.0.5.2\npqqwebgame.dll

HKEY_CURRENT_USER\Software\Tencent\
WebGamePlugin
Path = %Application Data%\Tencent\WebGamePlugin\1.0.5.2\

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\
services\QQMicroGameBoxService
version = "1.0.5.2"

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\
services\QQMicroGameBoxService
Type = 272

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\
services\QQMicroGameBoxService
Start = 2

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\
services\QQMicroGameBoxService
ErrorControl = 1

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\
services\QQMicroGameBoxService
ImagePath = "%Program Files%\Tencent\QQMicroGameBoxService\1.0.5.2\QQMicroGameBoxService.exe"

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\
services\QQMicroGameBoxService
DisplayName = "QQMicroGameBoxService"

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\
services\QQMicroGameBoxService
ObjectName = "LocalSystem"

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\
services\QQMicroGameBoxService
Description = {string}

Other Details

This Potentially Unwanted Application connects to the following possibly malicious URL:

  • http://{BLOCKED}s.{BLOCKED}e.qq.com/wan/box/Tlog/Report.php
  • http://{BLOCKED}s.{BLOCKED}p.qq.com/cm/ReportNew.php