Mon, 03/20/2017 - 04:08

AIT.Trojan.GenericTKA.17_9937d83372

HEUR:Worm.Script.Generic (Kaspersky), AIT:Trojan.GenericTKA.17 (AdAware), Trojan.Win32.Swrort.3.FD, Worm.Win32.AutoIt.FD, WormAutoItGen.YR (Lavasoft MAS) Behaviour: Trojan, Worm

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

Summary

Dynamic Analysis

Static Analysis

Network Activity

Map

Strings from Dumps

Removals

Summary

MD5: 9937d83372f7a987b87f4156846952f9

SHA1: 1564244edc8cccac868601cdefc52dbb67598512

SHA256: 0cf574fb42cf3fa03ae3b26606a202e76ab48ed37a32ccab3d4a95b56e90107c

SSDeep: 196608:Q5BPYc16mK/OrnGe/qHx3Lw7lNF9w qkJVcrTS:AxLrnmxbeFMkJCrW

Size: 7530496 bytes

File type: EXE

Platform: WIN32

Entropy: Packed

PEID: UPolyXv05_v6

Company: no certificate found

Created at: 2015-05-02 14:08:01

Analyzed on: Windows7 SP1 32-bit

Summary: Trojan. A program that appears to do one thing but actually does another (a.k.a. Trojan Horse).

Dynamic Analysis

Payload

No specific payload has been found.

Process activity

The AIT creates the following process(es):

netsh.exe:2300
installer.exe:1780
rundll32.exe:3800
%original file name%.exe:3408

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

setup.exe:3512

Mutexes

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

File activity

The process setup.exe:3512 makes changes in the file system.

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

C:\Users\"%CurrentUserName%"\AppData\Local\Temp\nsc2888.tmp\LangDLL.dll (13 bytes)
C:\Users\"%CurrentUserName%"\AppData\Local\Temp\nsc2888.tmp\nsEnvVariables.dll (1597 bytes)
C:\Users\"%CurrentUserName%"\AppData\Local\Temp\nsr2848.tmp (542310 bytes)
C:\Users\"%CurrentUserName%"\AppData\Local\Temp\nsc2888.tmp\System.dll (23 bytes)

The AIT deletes the following file(s):

C:\Users\"%CurrentUserName%"\AppData\Local\Temp\nsm2828.tmp (0 bytes)
C:\Users\"%CurrentUserName%"\AppData\Local\Temp\nsc2888.tmp (0 bytes)

The process installer.exe:1780 makes changes in the file system.

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

C:\Users\"%CurrentUserName%"\AppData\Roaming\rundll32.exe (7433 bytes)
C:\Users\"%CurrentUserName%"\AppData\Roaming\rundll32.exe.ini (11 bytes)

The process rundll32.exe:3800 makes changes in the file system.

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

C:\Users\"%CurrentUserName%"\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\rundll32.exe (7433 bytes)

The process %original file name%.exe:3408 makes changes in the file system.

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

C:\Users\"%CurrentUserName%"\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\installer.exe (9369 bytes)
C:\Users\"%CurrentUserName%"\AppData\Roaming\installer.exe (9369 bytes)
C:\Users\"%CurrentUserName%"\AppData\Local\Temp\aut259B.tmp (48169 bytes)
C:\Users\"%CurrentUserName%"\AppData\Local\Temp\aut229C.tmp (6081 bytes)
C:\Users\"%CurrentUserName%"\AppData\Local\Temp\setup.exe (46544 bytes)
C:\Users\"%CurrentUserName%"\AppData\Local\Temp\aut2471.tmp (6081 bytes)

The AIT deletes the following file(s):

C:\Users\"%CurrentUserName%"\AppData\Local\Temp\aut259B.tmp (0 bytes)
C:\Users\"%CurrentUserName%"\AppData\Local\Temp\aut229C.tmp (0 bytes)
C:\Users\"%CurrentUserName%"\AppData\Local\Temp\aut2471.tmp (0 bytes)

Registry activity

The process netsh.exe:2300 makes changes in the system registry.

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

[HKCU\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\@%SystemRoot%\system32]
"eapqec.dll,-101" = "Provides Network Access Protection enforcement for EAP authenticated network connections, such as those used with 802.1X and VPN technologies."
"eapqec.dll,-100" = "EAP Quarantine Enforcement Client"
"eapqec.dll,-103" = "Microsoft Corporation"
"eapqec.dll,-102" = "1.0"
"tsgqec.dll,-101" = "Provides RD Gateway enforcement for NAP"

[HKCU\Software\Classes\Local Settings\MuiCache\2D\52C64B7E]
"LanguageList" = "en-US, en"

[HKCU\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\@%SystemRoot%\system32]
"tsgqec.dll,-103" = "Microsoft Corporation"
"tsgqec.dll,-100" = "RD Gateway Quarantine Enforcement Client"
"napipsec.dll,-2" = "Provides IPsec based enforcement for Network Access Protection"
"napipsec.dll,-3" = "Microsoft Corporation"
"napipsec.dll,-1" = "IPsec Relying Party"
"napipsec.dll,-4" = "1.0"
"tsgqec.dll,-102" = "1.0"
"dhcpqec.dll,-103" = "1.0"
"dhcpqec.dll,-102" = "Microsoft Corporation"
"dhcpqec.dll,-101" = "Provides DHCP based enforcement for NAP"
"dhcpqec.dll,-100" = "DHCP Quarantine Enforcement Client"

The process installer.exe:1780 makes changes in the system registry.

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

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap]
"AutoDetect" = "1"
"UNCAsIntranet" = "0"

The AIT deletes the following value(s) in system registry:

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap]
"ProxyBypass"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap]
"ProxyBypass"
"IntranetName"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap]
"IntranetName"

The process rundll32.exe:3800 makes changes in the system registry.

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

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

[HKCU\Software\Microsoft\Windows\CurrentVersion\Run]
"Rundll32.exe" = "C:\Users\"%CurrentUserName%"\AppData\Roaming\rundll32.exe"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run]
"Rundll32.exe" = "C:\Users\"%CurrentUserName%"\AppData\Roaming\rundll32.exe"

The process %original file name%.exe:3408 makes changes in the system registry.

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

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap]
"AutoDetect" = "1"
"UNCAsIntranet" = "0"

The AIT deletes the following value(s) in system registry:

Dropped PE files

MD5	File path
410a586735f45164c86bda363ad8446f	c:\Users\"%CurrentUserName%"\AppData\Local\Temp\nsc2888.tmp\LangDLL.dll
959ea64598b9a3e494c00e8fa793be7e	c:\Users\"%CurrentUserName%"\AppData\Local\Temp\nsc2888.tmp\System.dll
29924ed9ad063b5fda86aaf08dd3227f	c:\Users\"%CurrentUserName%"\AppData\Local\Temp\nsc2888.tmp\nsEnvVariables.dll
fae89b38ec2365f92725c0cf4422f445	c:\Users\"%CurrentUserName%"\AppData\Local\Temp\setup.exe
81b080fab6c533c25776aa9a21b6a8d5	c:\Users\"%CurrentUserName%"\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\installer.exe
81b080fab6c533c25776aa9a21b6a8d5	c:\Users\"%CurrentUserName%"\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\rundll32.exe
81b080fab6c533c25776aa9a21b6a8d5	c:\Users\"%CurrentUserName%"\AppData\Roaming\installer.exe
81b080fab6c533c25776aa9a21b6a8d5	c:\Users\"%CurrentUserName%"\AppData\Roaming\rundll32.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):
netsh.exe:2300
installer.exe:1780
rundll32.exe:3800
%original file name%.exe:3408
Delete the original AIT file.
Delete or disinfect the following files created/modified by the AIT:
C:\Users\"%CurrentUserName%"\AppData\Local\Temp\nsc2888.tmp\LangDLL.dll (13 bytes)
C:\Users\"%CurrentUserName%"\AppData\Local\Temp\nsc2888.tmp\nsEnvVariables.dll (1597 bytes)
C:\Users\"%CurrentUserName%"\AppData\Local\Temp\nsr2848.tmp (542310 bytes)
C:\Users\"%CurrentUserName%"\AppData\Local\Temp\nsc2888.tmp\System.dll (23 bytes)
C:\Users\"%CurrentUserName%"\AppData\Roaming\rundll32.exe (7433 bytes)
C:\Users\"%CurrentUserName%"\AppData\Roaming\rundll32.exe.ini (11 bytes)
C:\Users\"%CurrentUserName%"\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\rundll32.exe (7433 bytes)
C:\Users\"%CurrentUserName%"\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\installer.exe (9369 bytes)
C:\Users\"%CurrentUserName%"\AppData\Roaming\installer.exe (9369 bytes)
C:\Users\"%CurrentUserName%"\AppData\Local\Temp\aut259B.tmp (48169 bytes)
C:\Users\"%CurrentUserName%"\AppData\Local\Temp\aut229C.tmp (6081 bytes)
C:\Users\"%CurrentUserName%"\AppData\Local\Temp\setup.exe (46544 bytes)
C:\Users\"%CurrentUserName%"\AppData\Local\Temp\aut2471.tmp (6081 bytes)
Delete the following value(s) in the autorun key (How to Work with System Registry):
[HKCU\Software\Microsoft\Windows\CurrentVersion\Run]
"Rundll32.exe" = "C:\Users\"%CurrentUserName%"\AppData\Roaming\rundll32.exe"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run]
"Rundll32.exe" = "C:\Users\"%CurrentUserName%"\AppData\Roaming\rundll32.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: 3.3.12.0
Legal Copyright: Copyright (c) 2013. ReviverSoft. All Rights Reserved.
Legal Trademarks:
Original Filename:
Internal Name:
File Version: 2.3.5.1253
File Description: Start Menu Reviver
Comments: ReviverSoft
Language: Language Neutral

Company Name: Product Name: Product Version: 3.3.12.0 Legal Copyright: Copyright (c) 2013. ReviverSoft. All Rights Reserved. Legal Trademarks: Original Filename: Internal Name: File Version: 2.3.5.1253 File Description: Start Menu Reviver Comments: ReviverSoft Language: Language Neutral

PE Sections

Name	Virtual Address	Virtual Size	Raw Size	Entropy	Section MD5
.text	4096	570703	570880	4.63051	f437a6545e938612764dbb0a314376fc
.rdata	577536	183362	183808	3.99959	827ffd24759e8e420890ecf164be989e
.data	761856	40276	25088	1.38816	e0a519f8e3a35fae0d9c2cfd5a4bacfc
.rsrc	802816	6706716	6707200	5.54157	8c8779d7f1d4d80d066c540503e512b7
.reloc	7512064	42100	42496	3.63585	0bc98f8631ef0bde830a7f83bb06ff08

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

Strings from Dumps

setup.exe_3512:

.text

`.rdata

@.data

.ndata

.rsrc

RegDeleteKeyExW

Kernel32.DLL

PSAPI.DLL

%s=%s

GetWindowsDirectoryW

KERNEL32.dll

ExitWindowsEx

USER32.dll

GDI32.dll

SHFileOperationW

ShellExecuteW

SHELL32.dll

RegDeleteKeyW

RegCloseKey

RegEnumKeyW

RegOpenKeyExW

RegCreateKeyExW

ADVAPI32.dll

COMCTL32.dll

ole32.dll

VERSION.dll

$?s.dl?.

uI.mii

@.reloc

LangDLL.dll

tTf9.St

linker.dll

ating point support not loaded

GetProcessWindowStation

USER32.DLL

GetCPInfo

nsEnvVariables.dll

;$;*;3;:;\;

1 1$1(1,10141~1

2*3034383

@.rsrc

nsisos.dll

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

Nullsoft Install System v2.46-Unicode

verifying installer: %d%%

unpacking data: %d%%

... %d%%

hXXp://nsis.sf.net/NSIS_Error

~nsu.tmp

%u.%u%s%s

.DEFAULT\Control Panel\International

Software\Microsoft\Windows\CurrentVersion

*?|/":

m\AppData\Local\Temp\nsc2888.tmp\LangDLL.dll

es.dll

C:\Users\"%CurrentUserName%"\AppData\Local\Temp\nsc2888.tmp\LangDLL.dll

C:\Users\"%CurrentUserName%"\AppData\Local\Temp\nsc2888.tmp

1.1.0-0

URLCtrl

Linker.dll

hXXp://VVV.fdos.org/win32/nsis

KERNEL32.DLL

mscoree.dll

nsc2888.tmp

\Users\"%CurrentUserName%"\AppData\Local\Temp\nsc2888.tmp

C:\Users\"%CurrentUserName%"\AppData\Local\Temp\setup

C:\Users\"%CurrentUserName%"\AppData\Local\Temp

setup.exe

ers\"%CurrentUserName%"\AppData\Local\Temp\nsm2828.tmp

C:\Users\"%CurrentUserName%"\AppData\Local\Temp\

C:\Users\"%CurrentUserName%"\AppData\Local\Temp\setup.exe

1.0.0.1836

rundll32.exe_3800:

.text

`.rdata

@.data

.rsrc

@.reloc

SSh8*B

.hP6B

PSSSSSSh

Gt.Ht$

t.jGZf;

PSSShl

PVSShl

j.Zf;

;K|s%f

.ku`8iu~fiu

?#%X.y

GetProcessWindowStation

operator

kernel32.dll

oleaut32.dll

RegDeleteKeyExW

advapi32.dll

Error text not found (please report)

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 compiled without UTF 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 Unicode property support

\N is not supported in a class

WSOCK32.dll

VERSION.dll

WINMM.dll

COMCTL32.dll

MPR.dll

InternetCrackUrlW

HttpQueryInfoW

HttpOpenRequestW

HttpSendRequestW

FtpOpenFileW

FtpGetFileSize

InternetOpenUrlW

WININET.dll

PSAPI.DLL

IPHLPAPI.DLL

USERENV.dll

UxTheme.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

zcÁ

v%XD,t

}/n;%f

lyQJ.tX

_ .FF

~C.sEA.

.Fep8'

RC_%F/

?x.%FI

s/.DN

> >$>(>=>

5o6q6

6!6%6)6-616

343C3n3v3}3

:&:*:.:2:

4#4'4 4/43474;4

mscoree.dll

combase.dll

- CRT not initialized

- Attempt to initialize the CRT more than once.

- floating point support not loaded

USER32.DLL

>>>AUTOIT NO CMDEXECUTE

CMDLINERAW

CMDLINE

/AutoIt3ExecuteLine

/AutoIt3ExecuteScript

APPSKEY

789:;?

FTPSETPROXY

GUICTRLRECVMSG

GUICTRLSENDMSG

GUIGETMSG

GUIREGISTERMSG

HOTKEYSET

HTTPSETPROXY

HTTPSETUSERAGENT

ISKEYWORD

MSGBOX

REGENUMKEY

SHELLEXECUTE

SHELLEXECUTEWAIT

TCPACCEPT

TCPCLOSESOCKET

TCPCONNECT

TCPLISTEN

TCPNAMETOIP

TCPRECV

TCPSEND

TCPSHUTDOWN

TCPSTARTUP

TRAYGETMSG

UDPBIND

UDPCLOSESOCKET

UDPOPEN

UDPRECV

UDPSEND

UDPSHUTDOWN

UDPSTARTUP

SendKeyDelay

SendKeyDownDelay

TCPTimeout

WINDOWSDIR

AUTOITEXE

HOTKEYPRESSED

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

Line %d:

Line %d (File "%s"):

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

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

*.au3;*.a3x

All files (*.*)

04090000

%u.%u.%u.%u

0.0.0.0

Mddddd

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

\??\%s

GUI_RUNDEFMSG

AUTOITCALLVARIABLE%d

255.255.255.255

Keyword

AUTOIT.ERROR

Null Object assignment in FOR..IN loop

Incorrect Object type in FOR..IN loop

3, 3, 12, 0

HKEY_LOCAL_MACHINE

HKEY_CLASSES_ROOT

HKEY_CURRENT_CONFIG

HKEY_CURRENT_USER

HKEY_USERS

%d/d/d

C:\Users\"%CurrentUserName%"\AppData\Roaming\rundll32.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.#Variable subscript badly formatted.*Subscript used on non-accessible 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.

6.1.7600.16386

Windows host process (Rundll32)

3.3.12.0