Backdoor.Win32.Farfli_70e1c11e88 – Adaware

Dynamic Analysis

Payload

No specific payload has been found.

Process activity

The Backdoor creates the following process(es):

%original file name%.exe:1480

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

svchost.exe:1492

Mutexes

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

File activity

The process %original file name%.exe:1480 makes changes in the file system.

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

%Documents and Settings%\%current user%\Application Data\plugin.exe (7726 bytes)

Registry activity

The process %original file name%.exe:1480 makes changes in the system registry.

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

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "D1 1F 31 3A 54 3B 57 8C BD 42 D6 40 16 24 3B 47"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{c155cd73-744b-11e2-8294-806d6172696f}]
"BaseClass" = "Drive"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Startup" = "%Documents and Settings%\%current user%\Start Menu\Programs\Startup"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced]
"ShowSuperHidden" = "0"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer]
"NoFolderOptions" = "1"

[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\Policies\Explorer]
"NoFolderOptions" = "1"

[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"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced]
"ShowSuperHidden" = "0"

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

[HKCU\Software\Microsoft\Windows\CurrentVersion\Run]
"Adobe Reader" = "%Documents and Settings%\%current user%\Application Data\plugin.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:1480
Delete the original Backdoor file.
Delete or disinfect the following files created/modified by the Backdoor:
%Documents and Settings%\%current user%\Application Data\plugin.exe (7726 bytes)
Delete the following value(s) in the autorun key (How to Work with System Registry):
[HKCU\Software\Microsoft\Windows\CurrentVersion\Run]
"Adobe Reader" = "%Documents and Settings%\%current user%\Application Data\plugin.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, 8, 1
File Description:
Comments:
Language: English (United States)

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

PE Sections

Name	Virtual Address	Virtual Size	Raw Size	Entropy	Section MD5
.text	4096	525852	526336	4.63347	61ffce4768976fa0dd2a8f6a97b1417a
.rdata	532480	57280	57344	3.32693	0354bc5f2376b5e9a4a3ba38b682dff1
.data	589824	108376	26624	1.49047	95b2f7137bc21447524fed4a51790827
.rsrc	700416	581824	582144	5.38406	19e2df71f0e1b24abf66c71c9ffba5fb

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

Strings from Dumps

svchost.exe_1492:

.text

`.data

.rsrc

ADVAPI32.dll

KERNEL32.dll

NTDLL.DLL

RPCRT4.dll

NETAPI32.dll

ole32.dll

ntdll.dll

RegCloseKey

RegOpenKeyExW

GetProcessHeap

NtOpenKey

svchost.pdb

\PIPE\

Software\Microsoft\Windows NT\CurrentVersion\Svchost

\Registry\Machine\System\CurrentControlSet\Control\SecurePipeServers\

5.1.2600.5512 (xpsp.080413-2111)

svchost.exe

Windows

Operating System

5.1.2600.5512

svchost.exe_1492_rwx_00080000_00001000:

KERNEL32.DLL

svchost.exe_1492_rwx_001C0000_00001000:

KERNEL32.DLL

svchost.exe_1492_rwx_00200000_00001000:

KERNEL32.DLL

svchost.exe_1492_rwx_00240000_00001000:

KERNEL32.DLL

svchost.exe_1492_rwx_00280000_00001000:

KERNEL32.DLL

svchost.exe_1492_rwx_002C0000_00001000:

KERNEL32.DLL

svchost.exe_1492_rwx_004E0000_00001000:

advapi32.dll

svchost.exe_1492_rwx_00610000_00001000:

RegOpenKeyA

svchost.exe_1492_rwx_00620000_00001000:

advapi32.dll

svchost.exe_1492_rwx_00650000_00001000:

gdi32.dll

svchost.exe_1492_rwx_00790000_00001000:

gdi32.dll

svchost.exe_1492_rwx_007C0000_00001000:

gdiplus.dll

svchost.exe_1492_rwx_00800000_00001000:

gdiplus.dll

svchost.exe_1492_rwx_00860000_00001000:

mpr.dll

svchost.exe_1492_rwx_008A0000_00001000:

mpr.dll

svchost.exe_1492_rwx_00FE0000_00001000:

msacm32.dll

svchost.exe_1492_rwx_01130000_00001000:

msacm32.dll

svchost.exe_1492_rwx_01160000_00001000:

ntdll.dll

svchost.exe_1492_rwx_012A0000_00001000:

ntdll.dll

svchost.exe_1492_rwx_012D0000_00001000:

ole32.dll

svchost.exe_1492_rwx_01410000_00001000:

ole32.dll

svchost.exe_1492_rwx_01440000_00001000:

oleaut32.dll

svchost.exe_1492_rwx_01580000_00001000:

oleaut32.dll

svchost.exe_1492_rwx_015B0000_00001000:

powrprof.dll

svchost.exe_1492_rwx_016F0000_00001000:

powrprof.dll

svchost.exe_1492_rwx_01720000_00001000:

shell32.dll

svchost.exe_1492_rwx_01860000_00001000:

shell32.dll

svchost.exe_1492_rwx_01890000_00001000:

user32.dll

svchost.exe_1492_rwx_018D0000_00001000:

user32.dll

svchost.exe_1492_rwx_01900000_00001000:

version.dll

svchost.exe_1492_rwx_01940000_00001000:

version.dll

svchost.exe_1492_rwx_01970000_00001000:

wininet.dll

svchost.exe_1492_rwx_019C0000_00001000:

FtpOpenFileA

svchost.exe_1492_rwx_019D0000_00001000:

wininet.dll

svchost.exe_1492_rwx_01A10000_00001000:

winmm.dll

svchost.exe_1492_rwx_01E60000_00001000:

winmm.dll

svchost.exe_1492_rwx_01E90000_00001000:

wsock32.dll

svchost.exe_1492_rwx_01FD0000_00001000:

wsock32.dll

svchost.exe_1492_rwx_10410000_00070000:

`.rsrc

kernel32.dll

SHFileOperationA

shell32.dll

URLDownloadToFileA

urlmon.dll

ShellExecuteA

SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders

GetWindowsDirectoryA

SOFTWARE\Microsoft\Windows\CurrentVersion

\Internet Explorer\iexplore.exe

####@####

AVKWCtlX64.exe

AVKWCtl.exe

avgnt.exe

avp.exe

mbam.exe

a2service.exe

Vba32arkit.exe

ClamWin.exe

avesvc.exe

ashdisp.exe

avgcc.exe

bdss.exe

spider.exe

kavsvc.exe

nod32krn.exe

cclaw.exe

dvpapi.exe

ewidoctrl.exe

mcshield.exe

pavfires.exe

almon.exe

ccapp.exe

pccntmon.exe

fssm32.exe

ekrn.exe

ccSvcHst.exe

avgrsx.exe

egui.exe

PSUNMAIN.exe

SSScheduler.exe

Dr.Web

GDFwSvcx64.exe

GDFwSvc.exe

avfwsvc.exe

oacat.exe

issvc.exe

vsmon.exe

cpf.exe

ca.exe

tnbutil.exe

kavpf.exe

mpfservice.exe

npfmsg.exe

outpost.exe

tpsrv.exe

kpf4ss.exe

persfw.exe

vsserv.exe

smc.exe

op_mon.exe

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

Portugal

Turkey

FirstExecution

Windows 3.1

Windows 95 (Release 2)

Windows 95

Windows 98 SE

Windows 98

Windows ME

Windows 7

Windows Vista

%s %s

Windows XP Professional x64

Windows XP Home

Windows XP Professional

Windows 2000 Professional

Windows NT %d.%d

Windows 2008

%s %s Server

Windows 2003 Server Datacenter

Windows 2003 Server Enterprise

Windows 2003 Server Web Edition

Windows 2003 Server

Windows Home Server

Windows 2003 Server (Release 2)

Windows 2000 Server Datacenter

Windows 2000 Server Enterprise

Windows 2000 Server Web Edition

Windows 2000 Server

Windows NT 4.0 Server Datacenter

Windows NT 4.0 Server Enterprise

Windows NT 4.0 Server Web Edition

Windows NT 4.0 Server

Unknown Platform ID (%d)

%d.%d

%s (Build: %d

- Service Pack: %s

KERNEL32.DLL

v3.4.2.2

Set colFirewall = objSecurityCenter.ExecQuery("SELECT * FROM FirewallProduct","WQL",0)

Set colAntiVirus = objSecurityCenter.ExecQuery("SELECT * FROM AntiVirusProduct","WQL",0)

Set objFileSystem = CreateObject("Scripting.fileSystemObject")

Set objFile = objFileSystem.CreateTextFile("

Info = Info & "F" & CountFw & ") " & objFirewall.displayName & Enter

Info = Info & "A" & CountAV & ") " & objAntiVirus.displayName & Enter

objFile.WriteLine(Info)

objFile.Close

cscript.exe

AVICAP32.dll

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

SetupApi.dll

SetupDiOpenClassRegKey

SetupDiOpenClassRegKeyExA

SetupDiOpenClassRegKeyExW

SetupDiCreateDeviceInterfaceRegKeyA

SetupDiCreateDeviceInterfaceRegKeyW

SetupDiOpenDeviceInterfaceRegKey

SetupDiDeleteDeviceInterfaceRegKey

SetupDiCreateDevRegKeyA

SetupDiCreateDevRegKeyW

SetupDiOpenDevRegKey

SetupDiDeleteDevRegKey

CM_DEVCAP_LOCKSUPPORTED

CM_DEVCAP_EJECTSUPPORTED

PDCAP_D0_SUPPORTED

PDCAP_D1_SUPPORTED

PDCAP_D2_SUPPORTED

PDCAP_D3_SUPPORTED

PDCAP_WAKE_FROM_D0_SUPPORTED

PDCAP_WAKE_FROM_D1_SUPPORTED

PDCAP_WAKE_FROM_D2_SUPPORTED

PDCAP_WAKE_FROM_D3_SUPPORTED

PDCAP_WARM_EJECT_SUPPORTED

HKEY_CLASSES_ROOT

HKEY_CURRENT_CONFIG

HKEY_CURRENT_USER

HKEY_LOCAL_MACHINE

HKEY_USERS

127.0.0.1

iphlpapi.dll

AllocateAndGetTcpExTableFromStack

AllocateAndGetUdpExTableFromStack

SetTcpEntry

GetExtendedTcpTable

GetExtendedUdpTable

ConnectWebcam

DisconnectWebcam

ListWebcams

CaptureWebcam

IsWebcamConnected

StartHttpProxy

1.2.3

keyboardkey

webcaminactive

webcamgetbuffer

webcam

webcamstart

checkwebcamfile

checkwebcamfileback

webcamdllloaded

enviarexecnormal

enviarexechidden

openweb

openwebpage

openwebhidden

downexec

sendftp

keylogger

keyloggergetlog

keyloggereraselog

keyloggerativar

keyloggerdesativar

renamekey

windowsfechar

windowsmax

windowsmin

windowsmostrar

windowsocultar

windowsmintodas

windowscaption

listarportas

listarportasdns

finalizarprocessoportas

webcamsettings

chatmsg

getpassword

updateservidorweb

keyloggersearch

urlredirect

urlredirecttrue

onlinekeyloggereraselog

onlinekeyloggerstart

onlinekeyloggerstop

onlinekeyloggererror

keyloggerlist

tFtpAccess

onlinekeyloggerstart|onlinekeyloggerstart|

SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\

PSAPI.dll

%SYS%

ÃžSKTOP%

TPasswordItem

TArrayPasswod

sqlite3_open

sqlite3_prepare_v2

sqlite3_column_text

sqlite3_step

sqlite3_close

sqlite3_column_blob

sqlite3_column_bytes

Crypt32.dll

ole32.dll

Advapi32.dll

SOFTWARE\Wow6432Node\Mozilla\Mozilla Firefox

SOFTWARE\Wow6432Node\Mozilla\Mozilla Firefox\

SOFTWARE\MOZILLA\MOZILLA FIREFOX

SOFTWARE\MOZILLA\MOZILLA FIREFOX\version.dll\Main

mozcrt19.dll

mozglue.dll

nspr4.dll

plc4.dll

plds4.dll

nssutil3.dll

mozsqlite3.dll

nss3.dll

PK11_GetInternalKeySlot

\Mozilla\Firefox\profiles.ini

\Mozilla\Firefox\

signons.sqlite

select * from moz_logins

Firefox

SOFTWARE\MOZILLA\MOZILLA FIREFOX\

sqlite3.dll

\Flock\Browser\profiles.ini

Flock-Firefox

\1-abc\personal calendar\sqlite3.dll

\clipdiary\sqlite3.dll

\conceptworld\recentx\sqlite3.dll

\darq software\transmute\sqlite3.dll

\delphish\sqlite3.dll

\ditto\sqlite3.dll

\du meter\sqlite3.dll

\fcleaner\sqlite3.dll

\file seeker\sqlite3.dll

\flashnote\sqlite3.dll

\flashpaste\sqlite3.dll

\gorecord\sqlite3.dll

\gorecord2\sqlite3.dll

\linkcollector portable\sqlite3.dll

\ma-config.com\sqlite3.dll

\macrovirus\sqlite3.dll

\msnsniffer2\sqlite3.dll

\notecable\sqlite3.dll

\nzbleecher\sqlite3.dll

\outlook express\sqlite3.dll

\page update watcher\sqlite3.dll

\pipi\sqlite3.dll

\qloud\sqlite3.dll

\qloud\winamp\sqlite3.dll

\qloud\windows media player\sqlite3.dll

\recordtheradio\sqlite3.dll

\rightload\sqlite3.dll

\smm\funny sms10\sqlite3.dll

\smm\simple mail 7\sqlite3.dll

\spiceworks\bin\sqlite3.dll

\spyware-secure\sqlite3.dll

\timelog\sqlite3.dll

\video2webcam\sqlite3.dll

\webmarkers\sqlite3.dll

\webmediaplayer\sqlite3.dll

\windows media player\plugins\qloud\sqlite3.dll

\Mozilla Firefox\sqlite3.dll

\VirusGuardPlus\sqlite3.dll

\Safari\sqlite3.dll

\AIMP2\sqlite3.dll

\Live-Player\sqlite3.dll

\TrustedProtection\sqlite3.dll

\PCTotalDefender\sqlite3.dll

\Common Files\eEye Digital Security\Application Bus\sqlite3.dll

SELECT * FROM logins

Google Chrome

Flock-Chrome

\Mozilla Firefox\mozcrt19.dll

Google\Chrome\User Data\Default\

Login Data

Web Data

WindowsLive:name=*

Windows Live Messenger

Password

DynDNS\Updater\config.dyndns

Password=

Software\DownloadManager\Passwords

Software\DownloadManager\Passwords\

EncPassword

YLoginWnd

FileZilla\recentservers.xml

FileZilla\sitemanager.xml

FileZilla\filezilla.xml

.purple\accounts.xml

abe2869f-9b47-4cd9-a358-c22904dba7f7

%UUUU1E

%UUUU3

U_GrabOpera

Opera|WandData :

wand.dat

Opera\

trillian.ini

accounts.ini

password

profiles.ini

SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Trillian

Trillian\trillian.exe

TPasswordGrabSV

%s|%s|%s|%s|%s|

chatmsg|

xXx_key_xXx

-wchelper.dll

Software\Microsoft\Windows\CurrentVersion\Run

Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run

listarjanelas|windowsfechar|

listarjanelas|windowsmax|

listarjanelas|windowsmin|

listarjanelas|windowsmostrar|

listarjanelas|windowsocultar|

listarjanelas|windowsmintodas|

listarjanelas|windowscaption|

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall

listarportas|listadeportaspronta|

listarportas|finalizarconexao|

listarportas|finalizarprocessoportas|Y|

listarportas|finalizarprocessoportas|N|

URL_VISITOR

registro|renamekey|

Key name has been successfully changed

Unable to change key name

registro|registro|Key name has been successfully changed|"

registro|registro|Unable to change key name|"

registro|registro|The key or value has been deleted successfully|"

registro|registro|Unable to delete key or value|"

registro|registro|The key was created successfully|"

registro|registro|Could not create key|"

keylogger|keyloggerlist|

ak.tmp

onlinekeyloggerstart|onlinekeyloggererror|

keylogger|keylogger|keyloggerativar|

keylogger|keylogger|keyloggerdesativar|

keylogger|keyloggergetlog|

keylogger|keylogger|keyloggervazio|

keyloggersearchok|

checkwebcamfileback|

webcamdlltransferdone|

webcam|webcaminactive|

webcamdllloaded|

checkwebcamfile|no|

webcam|webcamactive|

webcam|webcamstop|

getpassword|getpasswordlist|

USER32.DLL

C:\Windows\System32\drivers\etc\hosts

temp.vbs

liststartup|renamekey|

liststartup|liststartup|Key name has been successfully changed|"

liststartup|liststartup|Unable to change key name|"

liststartup|liststartup|The key or value has been deleted successfully|"

liststartup|liststartup|Unable to delete key or value|"

liststartup|liststartup|The key was created successfully|"

liststartup|liststartup|Could not create key|"

KWindows

U_GrabPassword

8U_GrabOpera

\U_GrabChrome

6U_GrabFirefox

.UnitBytesSize

YU_GrabFirefox8

U_GrabFirefox10

UnitExecutarComandos

UrlMon

uftp

UnitListarPortasAtivas

UnitKeylogger

GetProcessHeap

WinExec

SetNamedPipeHandleState

CreatePipe

RegOpenKeyExA

RegOpenKeyA

RegEnumKeyExA

RegDeleteKeyA

RegCreateKeyA

RegCloseKey

GdiplusShutdown

ShellExecuteExA

keybd_event

MsgWaitForMultipleObjects

MapVirtualKeyExA

MapVirtualKeyA

GetKeyboardState

GetKeyboardLayoutNameA

GetKeyboardLayout

GetKeyState

GetAsyncKeyState

ExitWindowsEx

EnumWindows

InternetOpenUrlA

FtpGetFileSize

FtpSetCurrentDirectoryA

FtpOpenFileA

9!!!$'')#

&!!$'''#

.idata

.reloc

P.rsrc

advapi32.dll

gdi32.dll

gdiplus.dll

mpr.dll

msacm32.dll

ntdll.dll

oleaut32.dll

powrprof.dll

user32.dll

version.dll

wininet.dll

winmm.dll

wsock32.dll

Summary

Dynamic Analysis

Removals

Static Analysis

Network Activity

Map

Strings from Dumps