TSPY_MARADE.AA

This spyware's dropped DLL components are injected to running processes in order to stay memory resident. It gathers system and network information by executing DOS commands via its dropped batch file, ieted32.bat.

This spyware may be dropped by other malware.

Arrival Details

This spyware may be dropped by the following malware:

• TROJ_ARTIEF.AE

Installation

This spyware drops the following file(s)/component(s):

• %System Root%\Documents and Settings\NetworkService\Application Data\Microsoft\SystemKsat\ieted32.bat - detected as BAT_MARADE.A
• %User Profile%\Application Data\Microsoft\SystemLrow\ierw32.dll - also detected as TSPY_MARADE.AA
• %Application Data%\Microsoft\SystemCahe32\mfc41.dll - also detected as TSPY_MARADE.AA

(Note: %System Root% is the root folder, which is usually C:\. It is also where the operating system is located.. %User Profile% is the current user's profile folder, which is usually C:\Windows\Profiles\{user name} on Windows 98 and ME, C:\WINNT\Profiles\{user name} on Windows NT, and C:\Documents and Settings\{user name} on Windows 2000, XP, and Server 2003.. %Application Data% is the current user's Application Data folder, which is usually C:\Windows\Profiles\{user name}\Application Data on Windows 98 and ME, C:\WINNT\Profiles\{user name}\Application Data on Windows NT, and C:\Documents and Settings\{user name}\Local Settings\Application Data on Windows 2000, XP, and Server 2003.)

It creates the following folders:

• %System Root%\Documents and Settings\NetworkService\Application Data\Microsoft\SystemKsat
• %System Root%\Documents and Settings\NetworkService\Application Data\Microsoft\SystemPmt
• %System Root%\Documents and Settings\NetworkService\Application Data\Microsoft\SystemTslr
• %User Profile%\Application Data\Microsoft\SystemLrow
• %Application Data%\Microsoft\SystemCahe32

(Note: %System Root% is the root folder, which is usually C:\. It is also where the operating system is located.. %User Profile% is the current user's profile folder, which is usually C:\Windows\Profiles\{user name} on Windows 98 and ME, C:\WINNT\Profiles\{user name} on Windows NT, and C:\Documents and Settings\{user name} on Windows 2000, XP, and Server 2003.. %Application Data% is the current user's Application Data folder, which is usually C:\Windows\Profiles\{user name}\Application Data on Windows 98 and ME, C:\WINNT\Profiles\{user name}\Application Data on Windows NT, and C:\Documents and Settings\{user name}\Local Settings\Application Data on Windows 2000, XP, and Server 2003.)

It adds the following mutexes to ensure that only one of its copies runs at any one time:

• LLCXDOWN

Autostart Technique

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

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\
Services\WinSock2\Parameters\
NameSpace_Catalog5\Catalog_Entries\00000000000{digit}
LibraryPath = "%Application Data%\Microsoft\SystemCahe32\mfc41.dll"

NOTES:

Its dropped DLL components are injected to running processes in order to stay memory resident.

It gathers system and network information by executing the following DOS commands via its dropped batch file, ieted32.bat:

• ipconfig /all
• netstat -ano
• systeminfo
• net view
• net group
• net group /domain
• net use
• net user
• net share
• arp -a

It also searches for the following file types on all drives:

• *.doc*
• *.xls*
• *.ppt*
• *.pdf
• *.rtf

It then logs the above-mentioned gathered information to the following file:

• %System Root%\Documents and Settings\NetworkService\Application Data\Microsoft\SystemPmt\sysInfo.txt

It uploads the said log file to the following sites:

• {BLOCKED}s.{BLOCKED}iamov.com
• {BLOCKED}e.{BLOCKED}aldisk.com