Windows 7 deprecation

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General

  • Target

    fe1b479880db7637fc96d334f216e5e966879a77fac1b85d1fd892a050fbe638

  • Size

    70KB

  • Sample

    250306-zylewsxvd1

  • MD5

    760b7e6a810644e590d70673b6f5e63a

  • SHA1

    f60f8a4a666d7c3226f30dddfe69472e1a88b579

  • SHA256

    fe1b479880db7637fc96d334f216e5e966879a77fac1b85d1fd892a050fbe638

  • SHA512

    8a583dc0e81b4e67053c3175fa29ab7042dbc621cbe7181a3bbfbc7661d6faea3b8be1a1fdcd968fcc388c94394de9858ec537c479c19f9878a831a20ddffd83

  • SSDEEP

    1536:cFOPbkyoTwtPto0Rl0DsN9/zLec5oGFACZrqdKaNSEjrZKk:cYPxAwtPtoe/zLaGmCZrqcaYEjrZK

Malware Config

Extracted

Path

C:\info.hta

Ransom Note
<!DOCTYPE HTML PUBLIC '-//W3C//DTD HTML 4.01//EN' 'http://www.w3.org/TR/html4/strict.dtd'> <html> <head> <meta charset='windows-1251'> <title>phobos</title> <HTA:APPLICATION ICON='msiexec.exe' SINGLEINSTANCE='yes' SysMenu="no"> <script language='JScript'> window.moveTo(50, 50); window.resizeTo(screen.width - 100, screen.height - 100); </script> <style type='text/css'> body { font: 15px Tahoma, sans-serif; margin: 10px; line-height: 25px; background: #EDEDED; } img { display:inline-block; } .bold { font-weight: bold; } .mark { background: #D0D0E8; padding: 2px 5px; } .header { text-align: center; font-size: 30px; line-height: 50px; font-weight: bold; margin-bottom:20px; } .info { background: #D0D0E8; border-left: 10px solid #00008B; } .alert { background: #FFE4E4; border-left: 10px solid #FF0000; } .private { border: 1px dashed #000; background: #FFFFEF; } .note { height: auto; padding-bottom: 1px; margin: 15px 0; } .note .title { font-weight: bold; text-indent: 10px; height: 30px; line-height: 30px; padding-top: 10px; } .note .mark { background: #A2A2B5; } .note ul { margin-top: 0; } .note pre { margin-left: 15px; line-height: 13px; font-size: 13px; } .footer { position:fixed; bottom:0; right:0; text-align: right; } </style> </head> <body> <div class='header'> <img src='data:image/png;base64,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'> <div>All your files have been encrypted!</div> </div> <div class='bold'>All your files have been encrypted due to a security problem with your PC. If you want to restore them, write us to the e-mail <span class='mark'>[email protected]</span></div> <div class='bold'>Write this ID in the title of your message <span class='mark'>B9467A40-0001</span></div> <div class='bold'>In case of no answer in 24 hours write us to this e-mail:<span class='mark'>[email protected]</span></div> <div class='bold'>If there is no response from our mail, you can install the Jabber client and write to us in support of <span class='mark'>[email protected]</span> </div> <div> You have to pay for decryption in Bitcoins. The price depends on how fast you write to us. After payment we will send you the decryption tool that will decrypt all your files. </div> <div class='note info'> <div class='title'>Free decryption as guarantee</div> <ul>Before paying you can send us up to 5 files for free decryption. The total size of files must be less than 10Mb (non archived), and files should not contain valuable information. (databases,backups, large excel sheets, etc.) </ul> </div> <div class='note info'> <div class='title'>How to obtain Bitcoins</div> <ul> The easiest way to buy bitcoins is LocalBitcoins site. You have to register, click 'Buy bitcoins', and select the seller by payment method and price. <br><a href='https://localbitcoins.com/buy_bitcoins'>https://localbitcoins.com/buy_bitcoins</a> <br> Also you can find other places to buy Bitcoins and beginners guide here: <br><a href='http://www.coindesk.com/information/how-can-i-buy-bitcoins/'>http://www.coindesk.com/information/how-can-i-buy-bitcoins/</a> </ul> </div> <div class='title'>Jabber client installation instructions:</div> <div class='note info'> <ul> <li>Download the jabber (Pidgin) client from https://pidgin.im/download/windows/</li> <li>After installation, the Pidgin client will prompt you to create a new account.</li> <li>Click "Add"</li><li>In the "Protocol" field, select XMPP</li> <li>In "Username" - come up with any name</li> <li>In the field "domain" - enter any jabber-server, there are a lot of them, for example - exploit.im</li> <li>Create a password</li><li>At the bottom, put a tick "Create account"</li> <li>Click add</li> <li>If you selected "domain" - exploit.im, then a new window should appear in which you will need to re-enter your data:</li> <ul> <li>User</li> <li>password</li> <li>You will need to follow the link to the captcha (there you will see the characters that you need to enter in the field below)</li> </ul> <li>If you don't understand our Pidgin client installation instructions, you can find many installation tutorials on youtube - <a href = "https://www.youtube.com/results?search_query=pidgin+jabber+install">https://www.youtube.com/results?search_query=pidgin+jabber+install</a></li> </ul> </div> <div class='note alert'> <div class='title'>Attention!</div> <ul> <li>Do not rename encrypted files.</li> <li>Do not try to decrypt your data using third party software, it may cause permanent data loss.</li> <li>Decryption of your files with the help of third parties may cause increased price (they add their fee to our) or you can become a victim of a scam.</li> </ul> </div> <div class='footer'> <img src='data:image/png;base64,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' /> </div> </body> </html>
Emails

class='mark'>[email protected]</span></div>

class='mark'>[email protected]</span></div>

class='mark'>[email protected]</span>

URLs

http://www.w3.org/TR/html4/strict.dtd'>

https://pidgin.im/download/windows/</li>

Targets

    • Target

      fe1b479880db7637fc96d334f216e5e966879a77fac1b85d1fd892a050fbe638

    • Size

      70KB

    • MD5

      760b7e6a810644e590d70673b6f5e63a

    • SHA1

      f60f8a4a666d7c3226f30dddfe69472e1a88b579

    • SHA256

      fe1b479880db7637fc96d334f216e5e966879a77fac1b85d1fd892a050fbe638

    • SHA512

      8a583dc0e81b4e67053c3175fa29ab7042dbc621cbe7181a3bbfbc7661d6faea3b8be1a1fdcd968fcc388c94394de9858ec537c479c19f9878a831a20ddffd83

    • SSDEEP

      1536:cFOPbkyoTwtPto0Rl0DsN9/zLec5oGFACZrqdKaNSEjrZKk:cYPxAwtPtoe/zLaGmCZrqcaYEjrZK

    • Phobos

      Phobos ransomware appeared at the beginning of 2019.

    • Phobos family

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • Renames multiple (70) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

    • Modifies Windows Firewall

    • Credentials from Password Stores: Windows Credential Manager

      Suspicious access to Credentials History.

    • Drops startup file

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Adds Run key to start application

    • Drops desktop.ini file(s)

MITRE ATT&CK Enterprise v15

Tasks