AIT.Trojan.GenericTKA.516_9f5ced6cac – Adaware

Dynamic Analysis

Payload

No specific payload has been found.

Process activity

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

%original file name%.exe:1328

Mutexes

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

File activity

The process %original file name%.exe:1328 makes changes in the file system.

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

%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\desktop.ini (67 bytes)
%Program Files%\Common Files\idm.ico (4 bytes)
%Documents and Settings%\%current user%\Local Settings\History\History.IE5\desktop.ini (159 bytes)
%Program Files%\Common Files\en.jpg (2 bytes)
%Program Files%\Common Files\FlipedImage.bmp (11118 bytes)
%Program Files%\Common Files\bk.jpg (2 bytes)
%Program Files%\Common Files\WaterCtrl.dll (11 bytes)
%Program Files%\Common Files\vi.jpg (2 bytes)
%Documents and Settings%\%current user%\Cookies\Current_User@internetdownloadmanager[1].txt (197 bytes)
%Documents and Settings%\%current user%\Cookies\index.dat (964 bytes)
%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\OPQNSD2J\download[1].htm (7094 bytes)
%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\OPQNSD2J\desktop.ini (67 bytes)
%Program Files%\Common Files\tool.jpg (2 bytes)
%Program Files%\Common Files\arrow.ico (1 bytes)

The AIT deletes the following file(s):

%Program Files%\Common Files\idm.ico (0 bytes)
%Program Files%\Common Files\en.jpg (0 bytes)
%Program Files%\Common Files\tool.jpg (0 bytes)
%Program Files%\Common Files\bk.jpg (0 bytes)
%Program Files%\Common Files\FlipedImage.bmp (0 bytes)
%Program Files%\Common Files\vi.jpg (0 bytes)
%Program Files%\Common Files\arrow.ico (0 bytes)

Registry activity

The process %original file name%.exe:1328 makes changes in the system registry.

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

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths]
"Directory" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path4]
"CacheLimit" = "65452"
"CachePath" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\Cache4"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections]
"SavedLegacySettings" = "3C 00 00 00 1B 00 00 00 01 00 00 00 00 00 00 00"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"AppData" = "%Documents and Settings%\%current user%\Application Data"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings]
"GlobalUserOffline" = "0"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Cookies" = "%Documents and Settings%\%current user%\Cookies"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path2]
"CachePath" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\Cache2"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Common AppData" = "%Documents and Settings%\All Users\Application Data"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Cache" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files"

[HKCU\Software\DownloadManager]
"toolkitchkup" = "1"

[HKLM\System\CurrentControlSet\Hardware Profiles\0001\Software\Microsoft\windows\CurrentVersion\Internet Settings]
"ProxyEnable" = "0"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path1]
"CacheLimit" = "65452"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path2]
"CacheLimit" = "65452"

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "49 CD E5 61 EF C3 F5 81 C5 B8 E8 2C 53 55 DB 2D"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path1]
"CachePath" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\Cache1"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path3]
"CacheLimit" = "65452"

[HKCU\Software\DownloadManager]
"toolkit" = "Vi"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings]
"MigrateProxy" = "1"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"History" = "%Documents and Settings%\%current user%\Local Settings\History"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path3]
"CachePath" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\Cache3"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths]
"Paths" = "4"

The AIT modifies IE settings for security zones to map all local web-nodes with no dots which do not refer to any zone to the Intranet Zone:

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

The AIT modifies IE settings for security zones to map all web-nodes that bypassing the proxy to the Intranet Zone:

"ProxyBypass" = "1"

Proxy settings are disabled:

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings]
"ProxyEnable" = "0"

The AIT modifies IE settings for security zones to map all urls to the Intranet Zone:

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap]
"IntranetName" = "1"

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

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings]
"AutoConfigURL"
"ProxyServer"
"ProxyOverride"

Dropped PE files

MD5	File path
bba691a0e242d39187ed84e004475c29	c:\Program Files\Common Files\WaterCtrl.dll

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):No processes have been created.
Delete the original AIT file.
Delete or disinfect the following files created/modified by the AIT:
%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\desktop.ini (67 bytes)
%Program Files%\Common Files\idm.ico (4 bytes)
%Documents and Settings%\%current user%\Local Settings\History\History.IE5\desktop.ini (159 bytes)
%Program Files%\Common Files\en.jpg (2 bytes)
%Program Files%\Common Files\FlipedImage.bmp (11118 bytes)
%Program Files%\Common Files\bk.jpg (2 bytes)
%Program Files%\Common Files\WaterCtrl.dll (11 bytes)
%Program Files%\Common Files\vi.jpg (2 bytes)
%Documents and Settings%\%current user%\Cookies\Current_User@internetdownloadmanager[1].txt (197 bytes)
%Documents and Settings%\%current user%\Cookies\index.dat (964 bytes)
%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\OPQNSD2J\download[1].htm (7094 bytes)
%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\OPQNSD2J\desktop.ini (67 bytes)
%Program Files%\Common Files\tool.jpg (2 bytes)
%Program Files%\Common Files\arrow.ico (1 bytes)
Clean the Temporary Internet Files folder, which may contain infected files (How to clean Temporary Internet Files folder).
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:
File Description:
Comments:
Language: Language Neutral

Company Name: Product Name: Product Version: Legal Copyright: Legal Trademarks: Original Filename: Internal Name: File Version: File Description: Comments: Language: Language Neutral

PE Sections

Name	Virtual Address	Virtual Size	Raw Size	Entropy	Section MD5
.text	4096	580910	581120	4.62736	c2c2260508750422d20cd5cbb116b146
.rdata	585728	188686	188928	3.99304	4513b58651e3d8d87c81a396e5b2f1d1
.data	778240	36724	20992	0.830952	c2de4a3d214eae7e87c7bfc06bd79775
.rsrc	815104	1086260	1086464	5.54129	2c7244aa77518805f0705f0da6057e1a
.reloc	1904640	28976	29184	4.70119	1254908a9a03d2bcf12045d49cd572b9

Dropped from:

Downloaded by:

Similar by SSDeep:

Similar by Lavasoft Polymorphic Checker:

Network Activity

URLs

URL	IP
hxxp://internetdownloadmanager.com/download.html	169.55.40.5
gist.githubusercontent.com	151.101.16.133

IDS verdicts (Suricata alerts: Emerging Threats ET ruleset)

Traffic

GET /download.html HTTP/1.1

User-Agent: AutoIt

Host: internetdownloadmanager.com

Cache-Control: no-cache

HTTP/1.1 200 OK

Date: Tue, 04 Oct 2016 17:52:12 GMT

Server: Apache/2.4.6 (Red Hat Enterprise Linux) OpenSSL/1.0.1e-fips mod_fcgid/2.3.9

Set-Cookie: IDM=e847890b.53e0db85fd367; path=/; expires=Thu, 12-Jan-17 17:52:12 GMT; domain=.internetdownloadmanager.com

Last-Modified: Sat, 01 Oct 2016 07:53:03 GMT

ETag: "1ea9-53dc9001b4a81"

Accept-Ranges: bytes

Content-Length: 7849

Content-Type: text/html; charset=UTF-8

<html>.<head>.<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">.<title>Download Internet Download Manager: high speed download accelerator</title>.<META content="Download Internet Download Manager to increase download speed by up to 5 times, resume and schedule downloads from Youtube" name=ABSTRACT>.<META content="download, mp3, music, video, youtube, google video games, windows, software, getright, downloads, internet, speed, performance, connection, increase, manager, managers, accelerator, accelerators, booster, netbooster, faster, high-speed, rate, transmission, transfer, mpeg, audio, video, avi, reget, flashget, gozilla, dap, get, IE, http, proxy, url, accelerate, quick, speed up, rapid, download manager, download accelerator, transfer rate, byte rate, fast, quick, fastest" name=KEYWORDS>.<META content="Internet Download Manager increases download speed with built-in download logic accelerator, resume and schedule downloads" name=DESCRIPTION>.<link href="pictures/search.css" rel="stylesheet" type="text/css">..<script Language="JavaScript">..</script>.</head>..<body bgcolor="#FAFDFE">..<div align="justify">.. <table width="100%" height="63" border="0" cellpadding="0" cellspacing="0" class="style7">...<tr>.. . <td width="79%" height

<<< skipped >>>

Map

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

Strings from Dumps

%original file name%.exe_1328:

.text

`.rdata

@.data

.rsrc

@.reloc

j.Yf;

r%f;M

j.Xf;

j.Zf;

PSSSSSSh

Gt.Ht$

kernel32.dll

?#%X.y

GetProcessWindowStation

operator

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

RegDeleteKeyExW

advapi32.dll

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

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

zcÃ

C:\Users\MyPC\Desktop\icon11.ico

%FPQB

p%UR_

j.IUT

n%Scn|

y%xX8

%sl}i

jm`.uM4

]p.HE

ibUrl8L

pR.MJ

.QYA8

rE.SG

%Sk)uT

.lYU?

.rsM!

j.mw.SJ

$\.ws

4!.lm

8.dt2v

.pK2W

fm%u%U4

%U 5VO$!

.zh7i

'%S;y)i

`1.kMj

UY|$.RT

"K.QW

7.oMQ

%xA'RZ

q.PVzLm

h.kC3

!uDPwC

[!.fZ

nyH%F

:R.Rv

;Y.SQ

\{^(.SRy

m-&.bB

*%UFf

.UP2y

.jwfv=

rx"Fx.tQ^

B~%f_

.Iwt}

{.Ytd

k].Ld

{l6g%s

@x{)s.hL1W

.NF95

7zjAK%x

qfr.XfY

%SK6r.

%F}Gd

3A,.dH

.KF%QJA

'ib.WhQ

eL.mH

@a.Zq%(

%Udx'1

IW[.Oz

S.zJ9Y

C3D.mxs

"4F.qK

T.qq5

-S}Qb

TT%D!u=

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YL%x".

08O.SI

,].vQ

1oFTP

tv%FWY

%Un\U

URlS`

ZV%S*

].eFb

n%xs?N

*.ssi1

zY.NP

Yg.yA

Sb!.aE-

l udp

0,[.vK

AX%5S

;$;*;0;6;

=#=(=-=2=7===

3.44484

3&323^3|3

9 9$9(9,9?9

?#?'? ?/?3?7?;???

4"4&4*4.424

7)868=8=:

= =$=(=,=0=4=8=

0 0$0(0,00040

3"3(313]3

1!1%1)1-1115191=1

3 3(30383@3

@ÃžDaD

/AutoIt3ExecuteScript

/AutoIt3ExecuteLine

CMDLINE

CMDLINERAW

>>>AUTOIT NO CMDEXECUTE

FTPSETPROXY

GUICTRLRECVMSG

GUICTRLSENDMSG

GUIGETMSG

GUIREGISTERMSG

HOTKEYSET

HTTPSETPROXY

HTTPSETUSERAGENT

ISKEYWORD

MAPKEYS

MSGBOX

REGENUMKEY

SHELLEXECUTE

SHELLEXECUTEWAIT

TCPACCEPT

TCPCLOSESOCKET

TCPCONNECT

TCPLISTEN

TCPNAMETOIP

TCPRECV

TCPSEND

TCPSHUTDOWN

TCPSTARTUP

TRAYGETMSG

UDPBIND

UDPCLOSESOCKET

UDPOPEN

UDPRECV

UDPSEND

UDPSHUTDOWN

UDPSTARTUP

SendKeyDownDelay

SendKeyDelay

TCPTimeout

mscoree.dll

combase.dll

- floating point support not loaded

- CRT not initialized

- Attempt to initialize the CRT more than once.

USER32.DLL

789:;?

APPSKEY

WINDOWSDIR

AUTOITEXE

HOTKEYPRESSED

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

Line %d:

Line %d (File "%s"):

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

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

*.au3;*.a3x

All files (*.*)

KEYS

\\?\UNC\

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, 14, 2

HKEY_LOCAL_MACHINE

HKEY_CLASSES_ROOT

HKEY_CURRENT_CONFIG

HKEY_CURRENT_USER

HKEY_USERS

%d/d/d

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.#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.

%original file name%.exe_1328_rwx_10001000_00009000:

.PAVCException@@