Gen.Trojan.Heur.rmKfr8h7lscS_00d9ca4086 – Adaware

Dynamic Analysis

Payload

No specific payload has been found.

Process activity

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

%original file name%.exe:1772

Mutexes

The following mutexes were created/opened:

ShimCacheMutexZonesLockedCacheCounterMutexZonesCacheCounterMutexZonesCounterMutex

File activity

The process %original file name%.exe:1772 makes changes in the file system.

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

%Documents and Settings%\%current user%\Application Data\WindowsDefencer\Update.exe (1425 bytes)

Registry activity

The process %original file name%.exe:1772 makes changes in the system registry.

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

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "EF E0 4D A5 7E 74 F9 59 C1 F9 63 22 59 BE EC ED"

[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 Trojan adds the reference to itself to be executed when a user logs on:

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon]
"UserInit" = "%System%\userinit.exe,%Documents and Settings%\%current user%\Application Data\WindowsDefencer\Update.exe"

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]
"Windows Defencer" = "%Documents and Settings%\%current user%\Application Data\WindowsDefencer\Update.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):No processes have been created.
Delete the original Trojan file.
Delete or disinfect the following files created/modified by the Trojan:
%Documents and Settings%\%current user%\Application Data\WindowsDefencer\Update.exe (1425 bytes)
Delete the following value(s) in the autorun key (How to Work with System Registry):
[HKCU\Software\Microsoft\Windows\CurrentVersion\Run]
"Windows Defencer" = "%Documents and Settings%\%current user%\Application Data\WindowsDefencer\Update.exe"
Remove the references to the Trojan by modifying the following registry value(s) (How to Work with System Registry):
[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon]
"UserInit" = "%System%\userinit.exe,%Documents and Settings%\%current user%\Application Data\WindowsDefencer\Update.exe"
Reboot the computer.

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

Static Analysis

VersionInfo

Company Name: Microsoft Corp.
Product Name: Remote Service Application
Product Version: 4, 0, 0, 0
Legal Copyright: Copyright (C) 1999
Legal Trademarks:
Original Filename: MSRSAAP.EXE
Internal Name: MSRSAAPP
File Version: 1, 0, 0, 1
File Description: Remote Service Application
Comments: Remote Service Application
Language: Language Neutral

Company Name: Microsoft Corp.Product Name: Remote Service ApplicationProduct Version: 4, 0, 0, 0Legal Copyright: Copyright (C) 1999Legal Trademarks: Original Filename: MSRSAAP.EXEInternal Name: MSRSAAPPFile Version: 1, 0, 0, 1File Description: Remote Service ApplicationComments: Remote Service ApplicationLanguage: Language Neutral

PE Sections

Name	Virtual Address	Virtual Size	Raw Size	Entropy	Section MD5
UPX0	4096	520192	0	0	d41d8cd98f00b204e9800998ecf8427e
UPX1	524288	253952	252928	5.49259	8de4110e22515a30149d8093ffbe5513
.rsrc	778240	36864	36352	3.73167	97c8627d8157bada3e1c15b1372740bb

Dropped from:

Downloaded by:

Similar by SSDeep:

Similar by Lavasoft Polymorphic Checker:

Total found: 2
d78c2506942204741b102a22ae25361e
826f6d6cf91d7c08b2004eeedcb39c1c

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

%original file name%.exe_1772:

`.rsrc

kernel32.dll

Windows

MSWHEEL_ROLLMSG

MSH_WHEELSUPPORT_MSG

MSH_SCROLL_LINES_MSG

$*@@@*$@@@$ *@@* $@@($*)@-$*@@$-*@@$*-@@(*$)@-*$@@*-$@@*$-@@-* $@-$ *@* $-@$ *-@$ -*@*- $@($ *)(* $)

oleaut32.dll

EVariantBadIndexError

ssShift

htKeyword

EInvalidOperation

%s_%d

EInvalidGraphicOperation

SOFTWARE\Microsoft\Windows NT\CurrentVersion\FontSubstitutes

%s, ClassID: %s

%s, ProgID: "%s"

ole32.dll

TUploadFTP

user32.dll

1.2.3

BuildImportTable: can't load library:

BuildImportTable: ReallocMemory failed

BuildImportTable: GetProcAddress failed

BTMemoryLoadLibary: BuildImportTable failed

BTMemoryGetProcAddress: no export table found

BTMemoryGetProcAddress: DLL doesn't export anything

BTMemoryGetProcAddress: exported symbol not found

127.0.0.1

TDCWebCam

wlanapi.dll

80211_SHARED_KEY

\Internet Explorer\iexplore.exe

explorer.exe

USER32.DLL

uxtheme.dll

DWMAPI.DLL

clWebSnow

clWebFloralWhite

clWebLavenderBlush

clWebOldLace

clWebIvory

clWebCornSilk

clWebBeige

clWebAntiqueWhite

clWebWheat

clWebAliceBlue

clWebGhostWhite

clWebLavender

clWebSeashell

clWebLightYellow

clWebPapayaWhip

clWebNavajoWhite

clWebMoccasin

clWebBurlywood

clWebAzure

clWebMintcream

clWebHoneydew

clWebLinen

clWebLemonChiffon

clWebBlanchedAlmond

clWebBisque

clWebPeachPuff

clWebTan

clWebYellow

clWebDarkOrange

clWebRed

clWebDarkRed

clWebMaroon

clWebIndianRed

clWebSalmon

clWebCoral

clWebGold

clWebTomato

clWebCrimson

clWebBrown

clWebChocolate

clWebSandyBrown

clWebLightSalmon

clWebLightCoral

clWebOrange

clWebOrangeRed

clWebFirebrick

clWebSaddleBrown

clWebSienna

clWebPeru

clWebDarkSalmon

clWebRosyBrown

clWebPaleGoldenrod

clWebLightGoldenrodYellow

clWebOlive

clWebForestGreen

clWebGreenYellow

clWebChartreuse

clWebLightGreen

clWebAquamarine

clWebSeaGreen

clWebGoldenRod

clWebKhaki

clWebOliveDrab

clWebGreen

clWebYellowGreen

clWebLawnGreen

clWebPaleGreen

clWebMediumAquamarine

clWebMediumSeaGreen

clWebDarkGoldenRod

clWebDarkKhaki

clWebDarkOliveGreen

clWebDarkgreen

clWebLimeGreen

clWebLime

clWebSpringGreen

clWebMediumSpringGreen

clWebDarkSeaGreen

clWebLightSeaGreen

clWebPaleTurquoise

clWebLightCyan

clWebLightBlue

clWebLightSkyBlue

clWebCornFlowerBlue

clWebDarkBlue

clWebIndigo

clWebMediumTurquoise

clWebTurquoise

clWebCyan

clWebPowderBlue

clWebSkyBlue

clWebRoyalBlue

clWebMediumBlue

clWebMidnightBlue

clWebDarkTurquoise

clWebCadetBlue

clWebDarkCyan

clWebTeal

clWebDeepskyBlue

clWebDodgerBlue

clWebBlue

clWebNavy

clWebDarkViolet

clWebDarkOrchid

clWebMagenta

clWebDarkMagenta

clWebMediumVioletRed

clWebPaleVioletRed

clWebBlueViolet

clWebMediumOrchid

clWebMediumPurple

clWebPurple

clWebDeepPink

clWebLightPink

clWebViolet

clWebOrchid

clWebPlum

clWebThistle

clWebHotPink

clWebPink

clWebLightSteelBlue

clWebMediumSlateBlue

clWebLightSlateGray

clWebWhite

clWebLightgrey

clWebGray

clWebSteelBlue

clWebSlateBlue

clWebSlateGray

clWebWhiteSmoke

clWebSilver

clWebDimGray

clWebMistyRose

clWebDarkSlateBlue

clWebDarkSlategray

clWebGainsboro

clWebDarkGray

clWebBlack

comctl32.dll

AutoHotkeys

\SYSTEM\CurrentControlSet\Control\Keyboard Layouts\

TKeyEvent

TKeyPressEvent

HelpKeyword

crSQLWait

%s (%s)

imm32.dll

ssHotTrack

TWindowState

poProportional

TWMKey

KeyPreview

WindowState

OnKeyDown$

OnKeyPress

OnKeyUp

Uhx%F

UhX%F

Uh %F

GlassFrame.Bottom

GlassFrame.Enabled

GlassFrame.Left

GlassFrame.Right

GlassFrame.SheetOfGlass

GlassFrame.Top

System\CurrentControlSet\Control\Keyboard Layouts\%.8x

User32.dll

PSAPI.dll

\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders

*.torrent

SOFTWARE\Microsoft\Windows\CurrentVersion\Run

hkey

cmd.exe

TSocketPort

%d.%d.%d.%d

0.0.0.0

POST /index.php/1.0

BTRESULTHTTP Flood|Http Flood task finished!|

BTRESULTVisit URL|finished to visit

BTERRORVisit URL|An exception occured in the thread|

PortScanAdd

BTRESULTUDP Flood|UDP Flood task finished!|

FTPPORT

FTPPASS

FTPUSER

FTPHOST

FTPROOT

FTPUPLOADK

FTPSIZE

TCaptureWebcam

taskmgr.exe

ERR|Cannot listen to port, try another one..|

UPLOADEXEC

UPANDEXEC

PASSWORD

out.txt

tmp.txt

Software\Microsoft\Windows\CurrentVersion\Run

Software\Microsoft\Windows NT\CurrentVersion\Winlogon

127.0.0.1:1604

#KCMDDC51#-

5.3.0

\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall

\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\

DC3_FEXEC

Windows NT 4.0

Windows 2000

Windows XP

Windows Server 2003

Windows Vista

Windows 7

Windows 95

Windows 98

Windows Me

S-%u-

Mozilla

BTRESULTDownload File|Mass Download : File Downloaded , Executing new one in temp dir...|

BTERRORDownload File| Error on downloading file check if you type the correct url...|

notepad.exe

KEYNAME

%ShortCut#

RELATEDCMD

ping 127.0.0.1 -n 4 > NUL && "

DRKey

CRKey

DelMSKey

InstallHKEY

ActiveOnlineKeylogger

UnActiveOnlineKeylogger

KeylogOn

ActiveOfflineKeylogger

UnActiveOfflineKeylogger

ActiveOnlineKeyStrokes

UnActiveOnlineKeyStrokes

OpenWebPage

tmpprint.txt

URLUpdate

MSGBOX

#BOT#VisitUrl

#BOT#OpenUrl

HTTP://

hXXp://

BTRESULTOpen URL|

Command successfully executed!|

#BOT#URLUpdate

BTERRORUpdate from URL| Error on downloading file check if you type the correct url...|

BTRESULTUpdate from URL|Update : File Downloaded , Executing new one in temp dir...|

#BOT#URLDownload

GetActivePorts

DDOSHTTPFLOOD

DDOSUDPFLOOD

%IPPORTSCAN

SAPI.SpVoice

WEBCAMLIVE

WEBCAMSTOP

FTPFILEUPLOAD

URLDOWNLOADTOFILE

FAKEMSG

MSGICON

MSGTITLE

MSGCORE

UntKeylogger

KWindows

UntActivePorts

UntControlKey

UntCaptureWebcam

UntWebCam

UrlMon

(UntUploadFTPThread

UntFTP

_UntUDPFlood

YUntScanPorts

0UntPasswordAndData

XUntHTTPFlood

UntCPU

WinExec

PeekNamedPipe

GetWindowsDirectoryA

GetProcessHeap

GetCPInfo

CreatePipe

RegQueryInfoKeyA

RegOpenKeyExA

RegOpenKeyA

RegFlushKey

RegEnumKeyExA

RegDeleteKeyA

RegCreateKeyExA

RegCreateKeyA

RegCloseKey

SetViewportOrgEx

GdiplusShutdown

ShellExecuteExA

ShellExecuteA

SHFileOperationA

URLDownloadToFileA

keybd_event

VkKeyScanA

UnhookWindowsHookEx

SetWindowsHookExA

MsgWaitForMultipleObjectsEx

MsgWaitForMultipleObjects

MapVirtualKeyA

LoadKeyboardLayoutA

GetKeyboardState

GetKeyboardLayoutNameA

GetKeyboardLayoutList

GetKeyboardLayout

GetKeyState

GetKeyNameTextA

ExitWindowsEx

EnumWindows

EnumThreadWindows

EnumChildWindows

ActivateKeyboardLayout

GetKeyboardType

InternetOpenUrlA

HttpQueryInfoA

FtpPutFileA

.text

`.itext

`.data

.idata

.rdata

@.reloc

B.rsrc

KERNEL32.DLL

advapi32.dll

AVICAP32.DLL

gdi32.dll

gdiplus.dll

msacm32.dll

netapi32.dll

ntdll.dll

shell32.dll

SHFolder.dll

URLMON.DLL

version.dll

wininet.dll

winmm.dll

WS2_32.DLL

wsock32.dll

66006666

No help found for %s#No context-sensitive help installed

No help found for context$No topic-based help system installedNUnable to retrieve a pointer to a running object registered with OLE for %s/%s

Invalid clipboard format Clipboard does not support Icons

Cannot open clipboard/Menu '%s' is already being used by another form

- Dock zone has no controlLError loading dock zone from the stream. Expecting version %d, but found %d.

OLE error %.8x.Method '%s' not supported by automation object/Variant does not reference an automation object7Dispatch methods do not support more than 64 parameters

Error creating window class Cannot focus a disabled or invisible window!Control '%s' has no parent window

Not enough timers available@GroupIndex cannot be less than a previous menu item's GroupIndex5Cannot create form. No MDI forms are currently active$%s not in a class registration group

Property %s does not exist

Thread creation error: %s

Thread Error: %s (%d)

Unsupported clipboard format

Invalid data type for '%s' List capacity out of bounds (%d)

List count out of bounds (%d)

List index out of bounds (%d) Out of memory while expanding memory stream

Error reading %s%s%s: %s

Failed to create key %s

Failed to get data for '%s'

Failed to set data for '%s'

Resource %s not found

%s.Seek not implemented$Operation not allowed on sorted list

Ancestor for '%s' not found

Cannot assign a %s to a %s

Bits index out of range*Can't write to a read-only resource streamECheckSynchronize called from thread $%x, which is NOT the main thread

Class %s not found

A class named %s already exists%List does not allow duplicates ($0%x)#A component named %s already exists%String list does not allow duplicates

Cannot create file "%s". %s

Cannot open file "%s". %s

Invalid stream format$''%s'' is not a valid component name

External exception %x

Interface not supported

%s (%s, line %d)

Abstract Error?Access violation at address %p in module '%s'. %s of address %p

System Error. Code: %d.

No argument for format '%s'"Variant method calls not supported

Invalid variant operation%Invalid variant operation (%s%.8x)

%s5Could not convert variant of type (%s) into type (%s)=Overflow while converting variant of type (%s) into type (%s)

Operation not supported

Integer overflow Invalid floating point operation

Invalid pointer operation

Invalid class typecast0Access violation at address %p. %s of address %p

Privileged instruction(Exception %s in module %s at %p.

Application Error1Format '%s' invalid or incompatible with argument

!'%s' is not a valid integer value('%s' is not a valid floating point value!'%s' is not a valid date and time

'%s' is not a valid GUID value

I/O error %d

1, 0, 0, 1

MSRSAAP.EXE

4, 0, 0, 0

%original file name%.exe_1772_rwx_00401000_000BC000: