TROJ_RADMIN.AG

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.

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 creates the following folders:

• %User Temp%\7ZipSfx.000
• %System Root%\MSI2a08c.tmp
• %System Root%\Config.Msi
• %Program Files%\Remote Manipulator System - Server

(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.. %System Root% is the root folder, which is usually C:\. It is also where the operating system is located.. %Program Files% is the default Program Files folder, usually C:\Program Files in Windows 2000, Server 2003, and XP (32-bit), Vista (32-bit), and 7 (32-bit), or C:\Program Files (x86) in Windows XP (64-bit), Vista (64-bit), and 7 (64-bit).)

Other System Modifications

This Trojan deletes the following files:

• %Windows%\Installer\MSI9.tmp
• %System Root%\Config.Msi\MSI13.tmp

(Note: %Windows% is the Windows folder, which is usually C:\Windows.. %System Root% is the root folder, which is usually C:\. It is also where the operating system is located.)

It deletes the following folders:

• %User Profile%\My Documents\My Pictures
• %Start Menu%\Programs\Administrative Tools

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

It adds the following registry keys:

HKEY_LOCAL_MACHINE\Software\Microsoft\
Windows\CurrentVersion\Installer\
InProgress

HKEY_LOCAL_MACHINE\Software\Microsoft\
Windows\CurrentVersion\Installer\
Rollback\Scripts

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Installer\
UserData\S-1-5-18\Components\
E5052F47A02BDEA469F8EAB572D83BA8

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Installer\
UserData\S-1-5-18\Components\
E45BAE6295648E74689FC47BF4E730EB

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Installer\
UserData\S-1-5-18\Components\
6364F69515D55F943B4B3F3C669ECD32

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Installer\
UserData\S-1-5-18\Components\
6EDC4423414699340B5D245426472701

It adds the following registry entries:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Installer\
Rollback\Scripts
%System Root%\Config.Msi\2a08e.rbs = "444a599"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Installer\
UserData\S-1-5-18\Components\
E5052F47A02BDEA469F8EAB572D83BA8
506AA7BAF00535142870BF5536141921 = "%Program Files%\Remote Manipulator System - Server"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Installer\
UserData\S-1-5-18\Components\
E45BAE6295648E74689FC47BF4E730EB
506AA7BAF00535142870BF5536141921 = "%Program Files%\Remote Manipulator System - Server"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Installer\
UserData\S-1-5-18\Components\
6364F69515D55F943B4B3F3C669ECD32
506AA7BAF00535142870BF5536141921 = "%Program Files%\Remote Manipulator System - Server"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Installer\
UserData\S-1-5-18\Components\
6364F69515D55F943B4B3F3C669ECD32
00000000000000000000000000000000 = "%Program Files%\Remote Manipulator System - Server"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Installer\
UserData\S-1-5-18\Components\
6EDC4423414699340B5D245426472701
506AA7BAF00535142870BF5536141921 = "%Program Files%\Remote Manipulator System - Server"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Installer\
Folders
%Program Files%\Remote Manipulator System - Server = "1"

Dropping Routine

This Trojan drops the following files:

• %User Temp%\7ZipSfx.000\rms.server5.2ru.msi
• %User Temp%\7ZipSfx.000\install.cmd
• %Windows%\Installer\2a08b.msi
• %Windows%\Installer\2a08d.ipi
• %Windows%\Installer\MSIF.tmp
• %System Root%\Config.Msi\2a08e.rbs

(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.. %Windows% is the Windows folder, which is usually C:\Windows.. %System Root% is the root folder, which is usually C:\. It is also where the operating system is located.)

This report is generated via an automated analysis system.