Worm.Win32.AutoItGen_f35a31f57d – Adaware

Dynamic Analysis

Payload

No specific payload has been found.

Process activity

The Worm creates the following process(es):

%original file name%.exe:188
SetACL.exe:136
ESETFI~1.EXE:1772

The Worm injects its code into the following process(es):No processes have been created.

Mutexes

The following mutexes were created/opened:No objects were found.

File activity

The process %original file name%.exe:188 makes changes in the file system.

The Worm creates and/or writes to the following file(s):

%Documents and Settings%\%current user%\Local Settings\Temp\IXP000.TMP\install.exe (8 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\IXP000.TMP\ESETFI~1.EXE (33547 bytes)

The process ESETFI~1.EXE:1772 makes changes in the file system.

The Worm creates and/or writes to the following file(s):

%Documents and Settings%\%current user%\Local Settings\Temp\aut1.tmp (1953 bytes)
%WinDir%\SetACL.exe (2769 bytes)

The Worm deletes the following file(s):

%Documents and Settings%\%current user%\Local Settings\Temp\aut1.tmp (0 bytes)

Registry activity

The process %original file name%.exe:188 makes changes in the system registry.

The Worm creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "6A 11 6D BB C9 12 96 6F 83 12 74 5C 20 C4 DD 3D"

To automatically run itself each time Windows is booted, the Worm adds the following link to its file to the system registry autorun key:

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce]
"wextract_cleanup0" = "rundll32.exe %System%\advpack.dll,DelNodeRunDLL32 C:\DOCUME~1\"%CurrentUserName%"\LOCALS~1\Temp\IXP000.TMP\"

The process SetACL.exe:136 makes changes in the system registry.

The Worm creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "E9 66 A3 75 4F 34 CD 8F 05 AE 74 35 D1 E2 08 FB"

The process ESETFI~1.EXE:1772 makes changes in the system registry.

The Worm creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "07 8B 07 84 FA EB 48 E7 C2 68 C1 A4 00 FE 2E 3F"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{c155cd73-744b-11e2-8294-806d6172696f}]
"BaseClass" = "Drive"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{c155cd72-744b-11e2-8294-806d6172696f}]
"BaseClass" = "Drive"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{b98117e8-75ca-11e2-81b2-000c293708fb}]
"BaseClass" = "Drive"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{c155cd75-744b-11e2-8294-806d6172696f}]
"BaseClass" = "Drive"

Dropped PE files

MD5	File path
19036b3ab3e1251cd11b390f574b8668	c:\Documents and Settings\"%CurrentUserName%"\Local Settings\Temp\IXP000.TMP\ESETFI~1.EXE
9039ac3ef97e364667b3e1facc55ccb8	c:\Documents and Settings\"%CurrentUserName%"\Local Settings\Temp\IXP000.TMP\install.exe
6744ec4e9d1f6fa80796a0118eb31e75	c:\WINDOWS\SetACL.exe

HOSTS file anomalies

No changes have been detected.

Rootkit activity

No anomalies have been detected.

Propagation

Removals

Remove it with Ad-Aware

Click (here) to download and install Ad-Aware Free Antivirus.
Update the definition files.
Run a full scan of your computer.

Manual removal*

Terminate malicious process(es) (How to End a Process With the Task Manager):
%original file name%.exe:188
SetACL.exe:136
ESETFI~1.EXE:1772
Delete the original Worm file.
Delete or disinfect the following files created/modified by the Worm:
%Documents and Settings%\%current user%\Local Settings\Temp\IXP000.TMP\install.exe (8 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\IXP000.TMP\ESETFI~1.EXE (33547 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\aut1.tmp (1953 bytes)
%WinDir%\SetACL.exe (2769 bytes)
Delete the following value(s) in the autorun key (How to Work with System Registry):
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce]
"wextract_cleanup0" = "rundll32.exe %System%\advpack.dll,DelNodeRunDLL32 C:\DOCUME~1\"%CurrentUserName%"\LOCALS~1\Temp\IXP000.TMP\"

*Manual removal may cause unexpected system behaviour and should be performed at your own risk.

Static Analysis

VersionInfo

Company Name: Microsoft Corporation
Product Name: HD Player
Product Version: 6.00.2900.5512
Legal Copyright:
Legal Trademarks:
Original Filename: WEXTRACT.EXE
Internal Name: Wextract
File Version: 6.00.2900.5512 (xpsp.080413-2105)
File Description: Auto-extracteur de fichier CAB Win32
Comments:
Language: English (United States)

Company Name: Microsoft CorporationProduct Name: HD Player Product Version: 6.00.2900.5512Legal Copyright: Legal Trademarks: Original Filename: WEXTRACT.EXE Internal Name: Wextract File Version: 6.00.2900.5512 (xpsp.080413-2105)File Description: Auto-extracteur de fichier CAB Win32Comments: Language: English (United States)

PE Sections

Name	Virtual Address	Virtual Size	Raw Size	Entropy	Section MD5
.text	4096	39368	39424	4.5598	21423fbc32761b23d1d821422c8a05f7
.data	45056	7140	1024	2.94449	99858e86526942a66950c7139f78a725
.rsrc	53248	1820624	1820672	5.53371	6e6c7594599ce2293d11148613332d4a

Dropped from:

Downloaded by:

Similar by SSDeep:

Similar by Lavasoft Polymorphic Checker:

Network Activity

URLs

IDS verdicts (Suricata alerts: Emerging Threats ET ruleset)

Traffic

Map

The Worm connects to the servers at the folowing location(s):

Strings from Dumps

%original file name%.exe_188:

.text

`.data

.rsrc

ADVAPI32.dll

KERNEL32.dll

NTDLL.DLL

GDI32.dll

USER32.dll

COMCTL32.dll

VERSION.dll

advapi32.dll

advpack.dll

wininit.ini

Software\Microsoft\Windows\CurrentVersion\App Paths

setupapi.dll

setupx.dll

IXPd.TMP

TMP4351$.TMP

FINISHMSG

USRQCMD

ADMQCMD

msdownld.tmp

wextract.pdb

PSSSSSSh

RegCloseKey

RegOpenKeyExA

RegCreateKeyExA

RegQueryInfoKeyA

GetWindowsDirectoryA

ExitWindowsEx

MsgWaitForMultipleObjects

rundll32.exe %s,InstallHinfSection %s 128 %s

SHELL32.DLL

Software\Microsoft\Windows\CurrentVersion\RunOnce

PendingFileRenameOperations

System\CurrentControlSet\Control\Session Manager\FileRenameOperations

wextract_cleanup%d

%s /D:%s

rundll32.exe %sadvpack.dll,DelNodeRunDLL32 "%s"

Command.com /c %s

C:\DOCUME~1\"%CurrentUserName%"\LOCALS~1\Temp\IXP000.TMP\

#)7::7)$

&--..--&

XT6.FH/JdC&

.QWG^]-

u .HIf

ÃŒC1

ESETFI~1.EXE

install.exe

m2\%U

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: %s.

: %s.)Une ressource n

!Le fichier .cab n'est pas valide. La table de fichiers est pleine.7Impossible de se placer dans le dossier de destination.

aucun disque disposant de %s Ko d'espace libre pour l'installation. Lib

criture.JVous devez sp

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cessite les versions Windows

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la fois.]Le package %s n'est pas compatible avec la version de Windows que vous utilisez actuellement.]Le package %s n'est pas compatible avec la version du fichier : %s pr

6.00.2900.5512 (xpsp.080413-2105)

WEXTRACT.EXE

Windows

6.00.2900.5512

ESETFI~1.EXE_1772:

.text

`.rdata

@.data

.rsrc

s%j.Zf

8crtsu

:crts

crts

GetProcessWindowStation

operator

This is a compiled AutoIt script. AV researchers please email avsupport@autoitscript.com for support.

uxtheme.dll

kernel32.dll

operand of unlimited repeat could match the empty string

POSIX named classes are supported only within a class

erroffset passed as NULL

POSIX collating elements are not supported

this version of PCRE is not compiled with PCRE_UTF8 support

PCRE does not support \L, \l, \N{name}, \U, or \u

support for \P, \p, and \X has not been compiled

this version of PCRE is not compiled with PCRE_UCP support

ICMP.DLL

advapi32.dll

RegDeleteKeyExW

Error text not found (please report)

WSOCK32.dll

VERSION.dll

WINMM.dll

COMCTL32.dll

MPR.dll

InternetCrackUrlW

HttpQueryInfoW

HttpOpenRequestW

HttpSendRequestW

FtpOpenFileW

FtpGetFileSize

InternetOpenUrlW

WININET.dll

PSAPI.DLL

USERENV.dll

GetProcessHeap

CreatePipe

GetWindowsDirectoryW

KERNEL32.dll

OpenWindowStationW

SetProcessWindowStation

CloseWindowStation

MapVirtualKeyW

EnumChildWindows

EnumWindows

VkKeyScanW

GetKeyState

GetKeyboardState

SetKeyboardState

GetAsyncKeyState

keybd_event

EnumThreadWindows

ExitWindowsEx

UnregisterHotKey

RegisterHotKey

GetKeyboardLayoutNameW

USER32.dll

SetViewportOrgEx

GDI32.dll

COMDLG32.dll

RegOpenKeyExW

RegCloseKey

RegCreateKeyExW

RegEnumKeyExW

RegDeleteKeyW

ADVAPI32.dll

ShellExecuteW

SHFileOperationW

ShellExecuteExW

SHELL32.dll

ole32.dll

OLEAUT32.dll

GetCPInfo

zcÃ

#)7::7)$

&--..--&

XT6.FH/JdC&

.QWG^]-

u .HIf

ÃŒC1

mscoree.dll

nKERNEL32.DLL

- Attempt to initialize the CRT more than once.

- CRT not initialized

- floating point support not loaded

WUSER32.DLL

CMDLINERAW

CMDLINE

/AutoIt3ExecuteLine

/AutoIt3ExecuteScript

%s (%d) : ==> %s.:

Line %d:

Line %d (File "%s"):

%s (%d) : ==> %s:

AutoIt script files (*.au3, *.a3x)

*.au3;*.a3x

All files (*.*)

#NoAutoIt3Execute

APPSKEY

04090000

%u.%u.%u.%u

0.0.0.0

Mddddd

%s (%d) : ==> %s:

UDPSTARTUP

UDPSHUTDOWN

UDPSEND

UDPRECV

UDPOPEN

UDPCLOSESOCKET

UDPBIND

TRAYGETMSG

TCPSTARTUP

TCPSHUTDOWN

TCPSEND

TCPRECV

TCPNAMETOIP

TCPLISTEN

TCPCONNECT

TCPCLOSESOCKET

TCPACCEPT

SHELLEXECUTEWAIT

SHELLEXECUTE

REGENUMKEY

MSGBOX

ISKEYWORD

HTTPSETUSERAGENT

HTTPSETPROXY

HOTKEYSET

GUIREGISTERMSG

GUIGETMSG

GUICTRLSENDMSG

GUICTRLRECVMSG

FTPSETPROXY

\??\%s

GUI_RUNDEFMSG

SendKeyDelay

SendKeyDownDelay

TCPTimeout

AUTOITCALLVARIABLE%d

255.255.255.255

Keyword

AutoIt.Error

Null Object assignment in FOR..IN loop

Incorrect Object type in FOR..IN loop

HOTKEYPRESSED

AUTOITEXE

WINDOWSDIR

3, 3, 8, 1

HKEY_LOCAL_MACHINE

HKEY_CLASSES_ROOT

HKEY_CURRENT_CONFIG

HKEY_CURRENT_USER

HKEY_USERS

%d/d/d

C:\DOCUME~1\"%CurrentUserName%"\LOCALS~1\Temp\IXP000.TMP\ESETFI~1.EXE

:%Documents and Settings%\%current user%\Local Settings\Temp\IXP000.TMP\ESETFI~1.EXE

AutoIt supports the __stdcall (WINAPI) and __cdecl calling conventions. The __stdcall (WINAPI) convention is used by default but __cdecl can be used instead. See the DllCall() documentation for details on changing the calling convention.

Missing operator in expression."Unbalanced brackets in expression.

Error parsing function call.0Incorrect number of parameters in function call.'"ReDim" used without an array variable.>Illegal text at the end of statement (one statement per line).1"If" statement has no matching "EndIf" statement.1"Else" statement with no matching "If" statement.2"EndIf" statement with no matching "If" statement.7Too many "Else" statements for matching "If" statement.3"While" statement has no matching "Wend" statement.4"Wend" statement with no matching "While" statement.%Variable used without being declared.XArray variable has incorrect number of subscripts or subscript dimension range exceeded.)Array variable subscript badly formatted.'Subscript used with non-Array variable.&Too many subscripts used for an array.0Missing subscript dimensions in "Dim" statement.NNo variable given for "Dim", "Local", "Global", "Struct" or "Const" statement.0Expected a "=" operator in assignment statement.*Invalid keyword at the start of this line.

Invalid element in a DllStruct.*Unknown option or bad parameter specified.&Unable to load the internet libraries./"Struct" statement has no matching "EndStruct".HUnable to open file, the maximum number of open files has been exceeded.K"ContinueLoop" statement with no matching "While", "Do" or "For" statement.

Invalid file filter given.*Expected a variable in user function call.1"Do" statement has no matching "Until" statement.2"Until" statement with no matching "Do" statement.#"For" statement is badly formatted.2"Next" statement with no matching "For" statement.N"ExitLoop/ContinueLoop" statements only valid from inside a For/Do/While loop.1"For" statement has no matching "Next" statement.@"Case" statement with no matching "Select"or "Switch" statement.:"EndSelect" statement with no matching "Select" statement.ORecursion level has been exceeded - AutoIt will quit to prevent stack overflow.&Cannot make existing variables static.4Cannot make static variables into regular variables.

3This keyword cannot be used after a "Then" keyword.>"Select" statement is missing "EndSelect" or "Case" statement. "If" statements must have a "Then" keyword. Badly formated Struct statement."Cannot assign values to constants..Cannot make existing variables into constants.9Only Object-type variables allowed in a "With" statement.v"long_ptr", "int_ptr" and "short_ptr" DllCall() types have been deprecated. Use "long*", "int*" and "short*" instead.-Object referenced outside a "With" statement.)Nested "With" statements are not allowed."Variable must be of type "Object".1The requested action with this object has failed.8Variable appears more than once in function declaration.2ReDim array can not be initialized in this manner.1An array variable can not be used in this manner.

Can not redeclare a constant.5Can not redeclare a parameter inside a user function.HCan pass constants by reference only to parameters with "Const" keyword.*Can not initialize a variable with itself.$Incorrect way to use this parameter.:"EndSwitch" statement with no matching "Switch" statement.>"Switch" statement is missing "EndSwitch" or "Case" statement.H"ContinueCase" statement with no matching "Select"or "Switch" statement.

String missing closing quote.!Badly formated variable or macro.*Missing separator character after keyword.

Summary

Dynamic Analysis

Removals

Static Analysis

Network Activity

Map

Strings from Dumps