Analysis

  • max time kernel
    174s
  • max time network
    189s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220113
  • submitted
    16-02-2022 23:07

General

  • Target

    2d2eebc4d408c5f261c8cd130246bca1736376a5b434f422033ff02566354da6.exe

  • Size

    348KB

  • MD5

    d444509ad9103c7b53886c25f7a0db7d

  • SHA1

    5815f849de39537e54d080d6875dd886191afaf6

  • SHA256

    2d2eebc4d408c5f261c8cd130246bca1736376a5b434f422033ff02566354da6

  • SHA512

    7a36df9119a2157bf5c74e73bc160e46e0add8d178cea26d5395ec3e5677ceeb887bc1de1957c54520e04af47b499b98256649d4b7d5bba427f3b8ceb508a259

Malware Config

Extracted

Path

C:\DECRYPT-FILES.html

Ransom Note
<html> <head> <script> function CopyToClipboard(containerid) { if (document.selection) { var range = document.body.createTextRange(); range.moveToElementText(document.getElementById(containerid)); range.select().createTextRange(); document.execCommand("copy"); } else if (window.getSelection) { var range = document.createRange(); range.selectNode(document.getElementById(containerid)); window.getSelection().addRange(range); document.execCommand("copy"); alert("Base64 copied into the clipboard!") } } </script> <style> html{ margin:0; padding:0; width:100%; height:100%; } body { background: #000080; color: #ececec; font-family: Consolas }; .tooltip { position: relative; display: inline-block; border-bottom: 1px dotted black; } .tooltip .tooltiptext { visibility: hidden; width: 120px; background-color: #555; color: #fff; text-align: center; border-radius: 6px; padding: 5px 0; position: absolute; z-index: 1; bottom: 125%; left: 50%; margin-left: -60px; opacity: 0; transition: opacity 0.3s; } .tooltip .tooltiptext::after { content: ""; position: absolute; top: 100%; left: 50%; margin-left: -5px; border-width: 5px; border-style: solid; border-color: #555 transparent transparent transparent; } .tooltip:hover .tooltiptext { visibility: visible; opacity: 1; } p#base64{ -ms-word-break: break-all; word-break: break-all; -webkit-hyphens: auto; -moz-hyphens: auto; -ms-hyphens: auto; hyphens: auto; } p#base64:hover{ cursor: hand; } </style> </head> <body> <table style="position: absolute;" width="100%"> <tr> <td style="width: 25%;"> <span class="left" style="font-size: 14px; font-weight: bold">CODE: <br>------ <br>00000&nbsp;00000 <br>00000&nbsp;00000 <br>00000&nbsp;00000 <br>00000&nbsp;00000 <br>00000&nbsp;00000 <br>00000&nbsp;00000 <br>00000&nbsp;00000 <br>00000&nbsp;00000 </span> </td> <td style="width: 50%;"> <div style="text-align: center; font-size: 20px;"> <p><s>0010 SYSTEM FAILURE 0010</s></p> <p>*********************************************************************************************************************</p> <p>Attention! Your documents, photos, databases, and other important files have been encrypted!</p> <p>*********************************************************************************************************************</p> <br> </div> <div style="text-align: center; font-size: 18px;"> <p>The only way to decrypt your files, is to buy the private key from us.</p> <p>You can decrypt one of your files for free, as a proof that we have the method to decrypt the rest of your data.</p> <p>In order to receive the private key contact us via email: <br> <b>yourrealdecrypt@airmail.cc</b> </p> <p>Remember to hurry up, as your email address may not be avaliable for very long.<br>Buying the key immediatly will guarantee that 100% of your files will be restored.</p> <p>Below you will see a big base64 blob, you will need to email us and copy this blob to us.<br>you can click on it, and it will be copied into the clipboard.</p> <p>If you have troubles copying it, just send us the file you are currently reading, as an attachment.</p> <br> <p>Base64: </p> </div><div style="text-align: center; font-size: 12px;"><p id="base64" onclick="return CopyToClipboard('base64')" class="tooltip">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<span class="tooltiptext">Click here to copy</span></p></div></td><td style="width: 25%; text-align: right;"><span class="right" style="font-size: 14px; font-weight: bold">IMMINENT SHUTDOWN:<br>------<br>00000&nbsp;00000&nbsp;0&nbsp;00<br>00000&nbsp;00000&nbsp;0&nbsp;00<br>00000&nbsp;00000&nbsp;0&nbsp;00<br>00000&nbsp;00000&nbsp;0&nbsp;00<br>00000&nbsp;00000&nbsp;0&nbsp;00<br>00000&nbsp;00000&nbsp;0&nbsp;00<br>00000&nbsp;00000&nbsp;0&nbsp;00<br>00000&nbsp;00000&nbsp;0&nbsp;00</span></td></tr></table></body></html>
Emails

<b>yourrealdecrypt@airmail.cc</b>

Signatures

  • Maze

    Ransomware family also known as ChaCha.

  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Drops file in Windows directory 6 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 51 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2d2eebc4d408c5f261c8cd130246bca1736376a5b434f422033ff02566354da6.exe
    "C:\Users\Admin\AppData\Local\Temp\2d2eebc4d408c5f261c8cd130246bca1736376a5b434f422033ff02566354da6.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4576
    • C:\Windows\system32\wbem\wmic.exe
      "C:\hleqe\ryt\..\..\Windows\ts\hm\nw\..\..\..\system32\gbhwo\ag\lrv\..\..\..\wbem\ou\..\wmic.exe" shadowcopy delete
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:4324
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:228
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    PID:3368

Network

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

File Deletion

1
T1107

Credential Access

Credentials in Files

1
T1081

Collection

Data from Local System

1
T1005

Impact

Inhibit System Recovery

1
T1490

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/3368-130-0x000001B93C570000-0x000001B93C580000-memory.dmp
    Filesize

    64KB

  • memory/3368-131-0x000001B93CC20000-0x000001B93CC30000-memory.dmp
    Filesize

    64KB

  • memory/3368-132-0x000001B93F2F0000-0x000001B93F2F4000-memory.dmp
    Filesize

    16KB