Analysis

  • max time kernel
    5s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20240215-en
  • resource tags

    arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
  • submitted
    16-05-2024 23:05

General

  • Target

    9d07b89cd606bf2379ecc25fd4a4667e.exe

  • Size

    96KB

  • MD5

    9d07b89cd606bf2379ecc25fd4a4667e

  • SHA1

    24683738ef9c5d7cff30c17ec6df6575a62859d7

  • SHA256

    7260452e6bd05725074ba92b9dc8734aec12bbf4bbaacd43eea9c8bbe591be27

  • SHA512

    6cd84cfa1b43cf32035ea31cef4e42222f9c72fa9a0a3806f08beaa166cbd1cf7fa883cabc136d4831c7e57588a753570e1112d55888ff7fd05d1d852b0b82cd

  • SSDEEP

    1536:5B6sO7n0oShAiUIauVEe/DbplvRB2GuxaOLcb1AWRxmY:55oB0LAuVzDbpnCcBA8o

Score
10/10

Malware Config

Extracted

Path

C:\PerfLogs\# How to Decrypt Files.html

Ransom Note
<!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <title>Decryption Instructions</title> <style> a { color: #04a; text-decoration: none; } a:hover { text-decoration: underline; } body { background-color: #e7e7e7; color: #222; font-family: "Lucida Sans Unicode", "Lucida Grande", sans-serif; font-size: 12pt; line-height: 16pt; } body, h1 { margin: 0; padding: 0; } h1 { color: #555; text-align: center; padding-bottom: 1.5em; line-height: 1.2; } h2 { color: #555; text-align: center; line-height: 1.2; } ol li { padding-bottom: 13pt; } .container { background-color: white; border: 2pt solid #C7C7C7; margin: 3%; min-width: 600px; padding: 5% 10%; color: #444; } .header { border-bottom: 2pt solid #c7c7c7; padding-bottom: 5%; } .hr { display: block; height: 2pt; margin-top: 1.5%; margin-bottom: 1.5%; overflow: hidden; width: 100%; } .info { border: 1px solid #888; background-color: #E4E4E4; padding: 0.5em 3em; margin: 1em 0; } .text { text-align: justify; } .lsb{ display: none; margin: 3%; text-align: center; } .ls { cursor: pointer; border: 1px solid #888; border-radius: 3px; padding: 0 0.5em; margin: 0.2em 0.1em; line-height: 2em; display: inline-block; } .ls:hover { background-color: #D0D0D0; } .l { display: none; } .lu { display: none; } #change_language { float: right; display: none; } </style> <script language="javascript"> function aIndexOf(arr, v) { for (var i = 0; i < arr.length; i++) if (arr[i] == v) return i; return -1; } function tweakClass(cl, f) { var els; if (document.getElementByClassName != null) { els = document.getElementsByClassName(cl); } else { els = []; var tmp = document.getElementsByTagName('*'); for (var i = 0; i < tmp.length; i++) { var c = tmp[i].className; if ((c == cl) || ((c.indexOf(cl) != 1) && ((' ' + c + ' ').indexOf(' ' + cl + ' ') != -1))) els.push(tmp[i]); } } for (var i = 0; i < els.length; i++) f(els[i]); } function show(el) { el.style.display = 'block'; } function hide(el) { el.style.display = 'none'; } function onPageLoaded() { try { tweakClass('lsb', show); } catch (e) {} try { tweakClass('lu-orig', show); } catch (e) {} try { setLang('en'); } catch (e) {} } </script> </head> <body onload='javascript:onPageLoaded()'> <div class='lsb'> </div> <div class='container'> <div class="text l l-en" style='display:block'> <br> <div> <img src="data:image/png;base64,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" alt="LockLogo" /> </div> <br> <p><samp># All your files has been encrypted by “KRAKEN CRYPTOR”.</samp></p> <p><samp># Read the following instructions carefully to decrypt your files.</samp></p> <br> <div class="info"> -----BEGIN KRAKEN ENCRYPTED UNIQUE KEY----- <br> N5uIhd0qjsYWgXk4YtVBLM49FUVfl8CRBQYecmf9enW3+LVtQAanV3ak/239K0cL<br>pmV75VauHVOW+3IX7sSQuamjLMh58rXcwyBYfUuOrnqoBY7Mka6XHUk9o2xHot2Y<br>CpmDhqyf6RPYf8p1uqJ7ynHHVXC75BguS4c1rt5kCMKRP8LYzgZJG0v+3ka88JbY<br>ADolq6lz96bHzwADPUH/t3uFllOs7xGlYAzTjbFpL3xpbQe99DOks2oz803HtdX9<br>Py8Pk0TDFePdm4f4h7Po0S5NlphHrJPRliXlw5q+eV49MK4VmmdPxhv6WEhYErwD<br>okPh/gL0hB4uL00Cf2nrMui2hzKJgtNYUqnwpkSC/NgyF/6VSyzu3LBjFFcui9nM<br>ImzxCmnNj0AaYjB8DE0eyAyL6l4jNILj4zP/LCT9g3YSKeNJoA++UgmXbKSEaQB1<br>AtQyCHjPw5Ooe2/runwFcxlBfe6glcZBHRRpVQmyqnidQ3lBFWPczOe8sDLZM2su<br>yEnwTRCmeaEKHTFwSSr4lo2+n/FfrrViVLxadM9ofyjWzCpM/t7F2CJYH/ZmvFjA<br>g3YaWtIZQwkJrdsO53GrjtuIo2mTWviV8HTlymVlC/tRztU936K1Fr/xi6vxfGSp<br>oQH1kozXdHKVE6MXAMNZyO1wKhSki4y/Y2MkQx/obIra6mFuvVWzaA7jwG7fpGGD<br>qiL0NcCN7UcfFup5hjIe9iVYE60ggw== <br> -----END KRAKEN ENCRYPTED UNIQUE KEY----- </div> <br> <p style="color: #D91E18;">What happened to my computer?</p> <hr> <p>All of your files such as documents, images, videos and other files with the different names and extensions are encrypted by “KRAKEN CRYPTOR”!</p> <p>The speed, power and complexity of this encryption have been high and if you are now viewing this guide.</p> <p>It means that “KRAKEN CRYPTOR” immediately removed form your system!</p> <p>No way to recovery your files without “KRAKEN DECRYPTOR” software and your computer “UNIQUE KEY”!</p> <p>You need to buy it from us because only we can help you!</p> <br> <p style="color: #D91E18;">What the mean is encryption?</p> <hr> <p>In cryptography, encryption is the process of encoding a message or information in such a way that only authorized parties can access it.</p> <p>And those who are not authorized cannot.</p> <br> <p style="color: #D91E18;">How can recovery my files?</p> <hr> <p>We guarantee that you can recover all your files soon safely.</p> <p>You can decrypt one of your encrypted smaller file for free in the first contact with us.</p> <p>For the decryption service, we also need your “KRAKEN ENCRYPTED UNIQUE KEY” you can see this in the top!</p> <p>Are you want to decrypt all of your encrypted files? If yes! You need to pay for decryption service to us!</p> <p>After your payment made, all of your encrypted files has been decrypted.</p> <br> <p style="color: #D91E18;">How much is need to pay?</p> <hr> <p>You need to pay (0.125 <font size="3" color="green">BTC</font>), payment only can made as Bitcoins.</p> <p>This links help you to understand whats is a Bitcoins and how it work.</p> <p><a href="https://wikipedia.org/wiki/Bitcoin">https://en.wikipedia.org/wiki/Bitcoin</a></p> <br> <p><strong>Note:</strong><font size="3" color="red"> This price is for the contact with us in first week otherwise it will increase.</font></p> <br> <p style="color: #D91E18;">Where can buy Bitcoins?</p> <hr> <p>The easiest way to buy Bitcoins is LocalBitcoins website.</p> <p>You must register on this site and click “BUY Bitcoins” then choose your country to find sellers and their prices.</p> <p><a href="https://localBitcoins.com/buy_Bitcoins">https://localBitcoins.com/buy_Bitcoins</a></p> <br> <p>Other places to buy Bitcoins in exchange for other currencies worldwide:</p> <p><a href="https://www.bestbitcoinexchange.io/">https://www.bestbitcoinexchange.io</a></p> <br> <p style="color: #D91E18;">How to contact you?</p> <hr> <p>We use best and easy way to communications. It's email support, you can see our emails below.</p> <p>Please send your message with same subject to both address.</p> <br> E-Mail <div class="info"> [email protected] </div> <br> Alternative <div class="info"> [email protected] </div> <br> <p style="color: #D91E18;">Attention</p> <hr> <ul type="disc"> <li>DON'T MODIFY OR RENAME ENCRYPTED FILES!</li> <li>DON'T MODIFY “KRAKEN ENCRYPT UNIQUE KEY”!</li> <li>DON'T USE THIRD PARTY, PUBLIC TOOLS/SOFTWARE TO DECRYPT YOUR FILES, THIS CAUSE DAMAGE YOUR FILES PERMANENTLY!</li> <li>DON'T ASK PEOPLE OR DATA RECOVERY CENTERS, THEY ARE MAY ADD EXTRA CHARGE!</li> </ul> <br> <p><b>Additional</b></p> <hr> <ul type="square"> <li>Project “KRAKEN CRYPTOR” doesn't damage any of your files, this action is reversible if you follow the instructions above.</li> <li>Also, our policy is obvious: “NO PAYMENT, NO DECRYPT”.</li> </ul> </div> </div> </body> </html>

Signatures

  • Looks up external IP address via web service 7 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Drops file in Program Files directory 2 IoCs
  • Enumerates processes with tasklist 1 TTPs 1 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9d07b89cd606bf2379ecc25fd4a4667e.exe
    "C:\Users\Admin\AppData\Local\Temp\9d07b89cd606bf2379ecc25fd4a4667e.exe"
    1⤵
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2108
    • C:\Windows\SysWOW64\tasklist.exe
      "tasklist" /V /FO CSV
      2⤵
      • Enumerates processes with tasklist
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2992
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C ping 127.0.0.1 -n 3 > NUL&&del /Q /F /S "C:\Users\Admin\AppData\Local\Temp\9d07b89cd606bf2379ecc25fd4a4667e.exe"
      2⤵
        PID:2408
        • C:\Windows\SysWOW64\PING.EXE
          ping 127.0.0.1 -n 3
          3⤵
          • Runs ping.exe
          PID:2540

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Discovery

    Process Discovery

    1
    T1057

    Remote System Discovery

    1
    T1018

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\PerfLogs\# How to Decrypt Files.html
      Filesize

      10KB

      MD5

      42ebae910722562256606cc642e26219

      SHA1

      84af625d1e07c4b93bf7be4ecfd123d97ef5ae06

      SHA256

      8b7fec65640f33104718a4488cec4d9e8804dc43af912d64b0451d9b1f433a7c

      SHA512

      b889e8c36457a76c6a6330f5eea9e86e873c5e5ed6ea8eab7482270b07aa1ae2cfd7e9d27929d40782bd3bddf4c8a20ae60ace7adbdb66632a8634f62ffadd84

    • memory/2108-0-0x0000000074531000-0x0000000074532000-memory.dmp
      Filesize

      4KB

    • memory/2108-1-0x0000000074530000-0x0000000074ADB000-memory.dmp
      Filesize

      5.7MB

    • memory/2108-2-0x0000000074530000-0x0000000074ADB000-memory.dmp
      Filesize

      5.7MB

    • memory/2108-3-0x0000000074530000-0x0000000074ADB000-memory.dmp
      Filesize

      5.7MB

    • memory/2108-4-0x0000000074530000-0x0000000074ADB000-memory.dmp
      Filesize

      5.7MB

    • memory/2108-398-0x0000000074530000-0x0000000074ADB000-memory.dmp
      Filesize

      5.7MB