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TROJ_MIUREF.MGR

June 01, 2014
 ALIASES:

Trojan.Win32.Inject.nkww(Kaspersky), VirTool:Win32/CeeInject.gen!KK(Microsoft)

 PLATFORM:

Windows 2000, Windows Server 2003, Windows XP (32-bit, 64-bit), Windows Vista (32-bit, 64-bit), Windows 7 (32-bit, 64-bit)

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

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW

This Trojan arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

  TECHNICAL DETAILS

File Size:

118,784 bytes

File Type:

EXE

Initial Samples Received Date:

29 May 2014

Arrival Details

This Trojan arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

Installation

This Trojan drops and executes the following files:

  • %User Temp%\xiprtrmgr.exe

(Note: %User Temp% is the current user's Temp folder, which is usually C:\Documents and Settings\{user name}\Local Settings\Temp on Windows 2000, XP, and Server 2003, or C:\Users\{user name}\AppData\Local\Temp on Windows Vista and 7.)

Autostart Technique

This Trojan adds the following registry entries to enable its automatic execution at every system startup:

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\RunOnce
{random characters} = "%User Temp%\xiprtrmgr.exe"

Other System Modifications

This Trojan adds the following registry keys:

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Internet Settings\
P3P

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Internet Settings\
P3P\History

HKEY_CURRENT_USER\Software\Local AppWizard-Generated Applications\
xiprtrmgr

HKEY_CURRENT_USER\Software\Local AppWizard-Generated Applications\
xiprtrmgr\LAYOUT

HKEY_CURRENT_USER\Software\Local AppWizard-Generated Applications\
xiprtrmgr\Recent File List

HKEY_CURRENT_USER\Software\Local AppWizard-Generated Applications\
xiprtrmgr\Settings

Dropping Routine

This Trojan drops the following files:

  • %User Temp%\setup.dat

(Note: %User Temp% is the current user's Temp folder, which is usually C:\Documents and Settings\{user name}\Local Settings\Temp on Windows 2000, XP, and Server 2003, or C:\Users\{user name}\AppData\Local\Temp on Windows Vista and 7.)