Worm.Win32.AutoItGen_001b2c8b49

by malwarelabrobot on July 12th, 2014 in Malware Descriptions.

Gen:Variant.Kazy.96140 (AdAware), Worm.Win32.AutoIt.FD, WormAutoItGen.YR (Lavasoft MAS)
Behaviour: Worm


The description has been automatically generated by Lavasoft Malware Analysis System and it may contain incomplete or inaccurate information.

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Summary
Dynamic Analysis
Static Analysis
Network Activity
Map
Strings from Dumps
Removals

MD5: 001b2c8b4953c621666160527ca72bab
SHA1: ec6339147aa4d60d798b18287b38a49653bc3e65
SHA256: d2db51f54a15e3dd808a76043b07b319825ae6f8dc4e7eb87bbd25ce48cb47c5
SSDeep: 12288:v6Wq4aaE6KwyF5L0Y2D1PqLuxflvluugevXGoQubSebuG:tthEVaPqLuT1gevXGo G
Size: 511988 bytes
File type: EXE
Platform: WIN32
Entropy: Packed
PEID: PackerUPXCompresorGratuitowwwupxsourceforgenet, UPolyXv05_v6
Company: no certificate found
Created at: 2012-01-29 23:32:28
Analyzed on: WindowsXP SP3 32-bit


Summary:

Worm. A program that is primarily replicating on networks or removable drives.

Payload

No specific payload has been found.

Process activity

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

%original file name%.exe:716

Mutexes

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

File activity

The process %original file name%.exe:716 makes changes in the file system.
The Worm creates and/or writes to the following file(s):

%Documents and Settings%\%current user%\Application Data\folder\xxx.exe (3073 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\aut1.tmp (1857 bytes)
%Documents and Settings%\%current user%\Application Data\folder\xminer.exe (673 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:716 makes changes in the system registry.
The Worm creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "E4 0F 7A E8 53 34 77 7C 5B F8 B8 52 FD EF D1 F4"

[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\Shell Folders]
"AppData" = "%Documents and Settings%\%current user%\Application Data"

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

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\Run]
"Microsoft Updater" = "%Documents and Settings%\%current user%\Application Data\folder\xxx.exe"

Dropped PE files

MD5 File path
92a52bacb3126aae7ba284c021912fb0 c:\Documents and Settings\"%CurrentUserName%"\Application Data\folder\xminer.exe

HOSTS file anomalies

No changes have been detected.

Rootkit activity

No anomalies have been detected.

Propagation

VersionInfo

Company Name:
Product Name:
Product Version:
Legal Copyright:
Legal Trademarks:
Original Filename:
Internal Name:
File Version: 3, 3, 8, 1
File Description:
Comments:
Language: English (United States)

PE Sections

Name Virtual Address Virtual Size Raw Size Entropy Section MD5
UPX0 4096 483328 0 0 d41d8cd98f00b204e9800998ecf8427e
UPX1 487424 274432 270848 5.49592 d1248dd07f9600cf0199efb427a3e365
.rsrc 761856 32768 29696 4.09505 081e9bf7107c6346fa754a81d71e3c24

Dropped from:

Downloaded by:

Similar by SSDeep:

Similar by Lavasoft Polymorphic Checker:

Total found: 111
0f7547e2d43b1f31f785d242fa70d810
cbc91a01077850b2cfd5cee108d77c04
ab267f8c27c546a8e0d478f54d7bde77
11114735f3339d66b6623052b6d96a81
697292c02ad3c92481cc77ded663845b
c4ba65c75f74547c75a712263ffa348d
80c1d38e7505aba181e4f2477917bdaa
d265051b08a59b95f957bdc9b7103a66
e0ba4f8e7480c14af186a84a833895b7
6fddba04dafe13e595049a455b26a3af
0fd045b714bc5a415adbde6399e82d88
99cffd33396b96be0a9b0f3a1754d368
906e7cd6ba4dd28e6c76743a5edd16cc
a12b54f15ae6c01773e84709b92ba266
8e2393d004add2f65cf5be2bf1dd8ed0
35f2e05f35cc3e378bd0928fee0a9d4b
9bd0ac33007395c671b1d3e102e10b74
179cab1e850bb6649efb6d43073a0920
d912fc62f6ad95c6a0cedeff9dc694a0
2c028e736395973a185d936021eb250e
ebdd34488cdb6f4b906259a708142371
7a3ba375354025952c57a04578039f4e
5b702396c942787856617a60404ef5bb
97817e51a8fc6038ee7ab9d3a9c0692a
15c95c58f87d351c7dddcb12d07c88dc

URLs

URL IP
hxxp://clearanceuk.co.uk/me2.php 146.101.249.107


IDS verdicts (Suricata alerts: Emerging Threats ET ruleset)

Traffic

POST /me2.php HTTP/1.1
Content-Type: application/x-www-form-urlencoded
User-Agent: SBTCM
Host: clearanceuk.co.uk
Content-Length: 32
Connection: Keep-Alive

pc=XP7WIN_XP192.168.11.128&cmd=0
HTTP/1.1 404 Not Found
Server: nginx
Date: Fri, 11 Jul 2014 08:46:28 GMT
Content-Type: text/html; charset=iso-8859-1
Content-Length: 272
Connection: keep-alive
Vary: Accept-Encoding
<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN">.<html>&
lt;head>.<title>404 Not Found</title>.</head><
body>.<h1>Not Found</h1>.<p>The requested URL /me
2.php was not found on this server.</p>.<hr>.<address&g
t;Apache Server at clearanceuk.co.uk Port 80</address>.</body
></html>.
....



POST /me2.php HTTP/1.1

Content-Type: application/x-www-form-urlencoded
User-Agent: SBTCM
Host: clearanceuk.co.uk
Content-Length: 32
Connection: Keep-Alive

pc=XP7WIN_XP192.168.11.128&cmd=4
HTTP/1.1 404 Not Found
Server: nginx
Date: Fri, 11 Jul 2014 08:46:28 GMT
Content-Type: text/html; charset=iso-8859-1
Content-Length: 272
Connection: keep-alive
Vary: Accept-Encoding
<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN">.<html>&
lt;head>.<title>404 Not Found</title>.</head><
body>.<h1>Not Found</h1>.<p>The requested URL /me
2.php was not found on this server.</p>.<hr>.<address&g
t;Apache Server at clearanceuk.co.uk Port 80</address>.</body
></html>.HTTP/1.1 404 Not Found..Server: nginx..Date: Fri, 11
Jul 2014 08:46:28 GMT..Content-Type: text/html; charset=iso-8859-1..C
ontent-Length: 272..Connection: keep-alive..Vary: Accept-Encoding..<
;!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN">.<html><
head>.<title>404 Not Found</title>.</head><bod
y>.<h1>Not Found</h1>.<p>The requested URL /me2.p
hp was not found on this..


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

%original file name%.exe_716:

`.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)
zcÁ
GetProcessHeap
CreatePipe
GetWindowsDirectoryW
GetCPInfo
RegDeleteKeyW
RegEnumKeyExW
RegCreateKeyExW
RegOpenKeyExW
RegCloseKey
SetViewportOrgEx
ShellExecuteExW
SHFileOperationW
ShellExecuteW
RegisterHotKey
GetKeyboardLayoutNameW
ExitWindowsEx
EnumThreadWindows
GetAsyncKeyState
SetKeyboardState
GetKeyboardState
GetKeyState
VkKeyScanW
EnumWindows
EnumChildWindows
MapVirtualKeyW
CloseWindowStation
SetProcessWindowStation
OpenWindowStationW
UnregisterHotKey
keybd_event
InternetCrackUrlW
HttpQueryInfoW
HttpOpenRequestW
HttpSendRequestW
FtpOpenFileW
FtpGetFileSize
InternetOpenUrlW
.text
`.rdata
@.data
.rsrc
23$--%"!'
s.ak[
F%pÆ
KERNEL32.DLL
ADVAPI32.dll
COMCTL32.dll
COMDLG32.dll
GDI32.dll
MPR.dll
ole32.dll
OLEAUT32.dll
PSAPI.DLL
SHELL32.dll
USER32.dll
USERENV.dll
VERSION.dll
WININET.dll
WINMM.dll
WSOCK32.dll
mscoree.dll
nKERNEL32.DLL
- Attempt to initialize the CRT more than once.
- CRT not initialized
- floating point support not loaded
WUSER32.DLL
>>>AUTOIT NO CMDEXECUTE<<<
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:\%original file name%.exe
:C:\%original file name%.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.
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.

%original file name%.exe_716_rwx_00401000_000B7000:

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)
zcÁ
GetProcessHeap
CreatePipe
GetWindowsDirectoryW
GetCPInfo
RegDeleteKeyW
RegEnumKeyExW
RegCreateKeyExW
RegOpenKeyExW
RegCloseKey
SetViewportOrgEx
ShellExecuteExW
SHFileOperationW
ShellExecuteW
RegisterHotKey
GetKeyboardLayoutNameW
ExitWindowsEx
EnumThreadWindows
GetAsyncKeyState
SetKeyboardState
GetKeyboardState
GetKeyState
VkKeyScanW
EnumWindows
EnumChildWindows
MapVirtualKeyW
CloseWindowStation
SetProcessWindowStation
OpenWindowStationW
UnregisterHotKey
keybd_event
InternetCrackUrlW
HttpQueryInfoW
HttpOpenRequestW
HttpSendRequestW
FtpOpenFileW
FtpGetFileSize
InternetOpenUrlW
.text
`.rdata
@.data
.rsrc
23$--%"!'
s.ak[
mscoree.dll
nKERNEL32.DLL
- Attempt to initialize the CRT more than once.
- CRT not initialized
- floating point support not loaded
WUSER32.DLL
>>>AUTOIT NO CMDEXECUTE<<<
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:\%original file name%.exe
:C:\%original file name%.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.
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.


Remove it with Ad-Aware

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


Manual removal*

  1. Terminate malicious process(es) (How to End a Process With the Task Manager):No processes have been created.
  2. Delete the original Worm file.
  3. Delete or disinfect the following files created/modified by the Worm:

    %Documents and Settings%\%current user%\Application Data\folder\xxx.exe (3073 bytes)
    %Documents and Settings%\%current user%\Local Settings\Temp\aut1.tmp (1857 bytes)
    %Documents and Settings%\%current user%\Application Data\folder\xminer.exe (673 bytes)

  4. Delete the following value(s) in the autorun key (How to Work with System Registry):

    [HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run]
    "Microsoft Updater" = "%Documents and Settings%\%current user%\Application Data\folder\xxx.exe"

  5. Clean the Temporary Internet Files folder, which may contain infected files (How to clean Temporary Internet Files folder).
  6. Reboot the computer.

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