Trojan.Generic.7965809_fbdc515527 – Adaware

Dynamic Analysis

Payload

No specific payload has been found.

Process activity

The Trojan creates the following process(es):

%original file name%.exe:756

The Trojan injects its code into the following process(es):

javasw.exe:376

Mutexes

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

File activity

The process %original file name%.exe:756 makes changes in the file system.

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

%Documents and Settings%\%current user%\Application Data\Sun\unistall\javasw.exe (1425 bytes)

The process javasw.exe:376 makes changes in the file system.

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

%Documents and Settings%\%current user%\Application Data\Sun\unistall\mylogs.log (1752 bytes)
%Documents and Settings%\%current user%\Application Data\Sun\unistall\Hashes.txt (3 bytes)

Registry activity

The process %original file name%.exe:756 makes changes in the system registry.

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

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "F8 03 F4 45 59 3A 5F B7 14 56 48 5F 85 AD 40 F9"

[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"

The process javasw.exe:376 makes changes in the system registry.

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

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "78 40 ED 6A BC C5 89 8C 24 A0 69 5F 01 EE E8 7F"

[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 Trojan adds the following link to its file to the system registry autorun key:

[HKCU\Software\Microsoft\Windows\CurrentVersion\Run]
"Javasw.exe" = "%Documents and Settings%\%current user%\Application Data\Sun\unistall\javasw.exe"

Dropped PE files

There are no dropped PE files.

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:756
Delete the original Trojan file.
Delete or disinfect the following files created/modified by the Trojan:
%Documents and Settings%\%current user%\Application Data\Sun\unistall\javasw.exe (1425 bytes)
%Documents and Settings%\%current user%\Application Data\Sun\unistall\mylogs.log (1752 bytes)
%Documents and Settings%\%current user%\Application Data\Sun\unistall\Hashes.txt (3 bytes)
Delete the following value(s) in the autorun key (How to Work with System Registry):
[HKCU\Software\Microsoft\Windows\CurrentVersion\Run]
"Javasw.exe" = "%Documents and Settings%\%current user%\Application Data\Sun\unistall\javasw.exe"
Reboot the computer.

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

Static Analysis

VersionInfo

Company Name:
Product Name:
Product Version:
Legal Copyright:
Legal Trademarks:
Original Filename:
Internal Name:
File Version: 3, 3, 6, 1
File Description:
Comments:
Language: Chinese (Simplified, PRC)

Company Name: Product Name: Product Version: Legal Copyright: Legal Trademarks: Original Filename: Internal Name: File Version: 3, 3, 6, 1File Description: Comments: Language: Chinese (Simplified, PRC)

PE Sections

Name	Virtual Address	Virtual Size	Raw Size	Entropy	Section MD5
UPX0	4096	462848	0	0	d41d8cd98f00b204e9800998ecf8427e
UPX1	466944	270336	269824	5.49581	a079c3112669f6f010c5c96ebe3d21b3
.rsrc	737280	12288	12288	4.16176	d5e3d23f18a6e4f30886c9a73ddd409e

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 Trojan connects to the servers at the folowing location(s):

Strings from Dumps

javasw.exe_376:

`.rsrc

s%j.Zf

tGHt.Ht&

tCPh

SSSSh

\$%u#Sj

Please contact the application's support team for more information.

- Attempt to initialize the CRT more than once.

- CRT not initialized

- floating point support not loaded

GetProcessWindowStation

USER32.DLL

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, \U, or \u

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

(*VERB) with an argument is not supported

ICMP.DLL

advapi32.dll

RegDeleteKeyExW

zcÃ

GetProcessHeap

CreatePipe

GetWindowsDirectoryW

GetCPInfo

GetConsoleOutputCP

RegDeleteKeyW

RegCreateKeyExW

RegEnumKeyExW

RegCloseKey

RegOpenKeyExW

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

>S%fL

].bod

[Sub%C

",, .FPMLwnhd

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

>>>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, 6, 1

HKEY_LOCAL_MACHINE

HKEY_CLASSES_ROOT

HKEY_CURRENT_CONFIG

HKEY_CURRENT_USER

HKEY_USERS

%d/d/d

%Documents and Settings%\%current user%\Application Data\Sun\unistall\javasw.exe

:%Documents and Settings%\%current user%\Application Data\Sun\unistall\javasw.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.

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.

javasw.exe_376_rwx_00401000_000B2000:

s%j.Zf

tGHt.Ht&

tCPh

SSSSh

\$%u#Sj

Please contact the application's support team for more information.

- Attempt to initialize the CRT more than once.

- CRT not initialized

- floating point support not loaded

GetProcessWindowStation

USER32.DLL

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, \U, or \u

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

(*VERB) with an argument is not supported

ICMP.DLL

advapi32.dll

RegDeleteKeyExW

zcÃ

GetProcessHeap

CreatePipe

GetWindowsDirectoryW

GetCPInfo

GetConsoleOutputCP

RegDeleteKeyW

RegCreateKeyExW

RegEnumKeyExW

RegCloseKey

RegOpenKeyExW

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

>S%fL

mscoree.dll

KERNEL32.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, 6, 1

HKEY_LOCAL_MACHINE

HKEY_CLASSES_ROOT

HKEY_CURRENT_CONFIG

HKEY_CURRENT_USER

HKEY_USERS

%d/d/d

%Documents and Settings%\%current user%\Application Data\Sun\unistall\javasw.exe

:%Documents and Settings%\%current user%\Application Data\Sun\unistall\javasw.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.

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.

Summary

Dynamic Analysis

Removals

Static Analysis

Network Activity

Map

Strings from Dumps