Analysis

  • max time kernel
    169s
  • max time network
    176s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220113
  • submitted
    11-02-2022 06:53

General

  • Target

    5b1d292cbfb0cb9d2f7c6341d121ef84a6f4deacc618dd072bbdf369878b9920.exe

  • Size

    53KB

  • MD5

    7905e247bd63bf43390351144cb2073d

  • SHA1

    2442db4b2a047fe84a3f63d2657f891dc80ac8eb

  • SHA256

    5b1d292cbfb0cb9d2f7c6341d121ef84a6f4deacc618dd072bbdf369878b9920

  • SHA512

    373e8a394ac01c555d534912e5a609792d357d1d29950b6dd73608d0e06a40852d5e2598804e3b9833fa7acdfdb64402140eccd18476bbadc6049317cb327d90

Malware Config

Extracted

Path

C:\how_to_back_files.html

Ransom Note
<html><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> <style type="text/css"> body { background-color: #252525; } { margin: 0; padding: 0; } h1, h3{ text-align: center; text-transform: uppercase; font-weight: normal; } /*---*/ .tabs1{ width: 800px; display: block; margin: auto; position: relative; } .tabs1 .head{ text-align: center; float: top; text-transform: uppercase; font-weight: normal; display: block; padding: 5px; color: #FF0000; background: #1C1A1B; } .letter { color: #FF0000; font-weight: 600 } .tabs1 .identi { margin-left: 0px; line-height: 13px; font-size: 13px; text-align: center; float: top; display: block; padding: 15px; background: #1C1A1B; color: #F1EADA; } /*---*/ .tabs{ width: 800px; display: block; margin: auto; position: relative; } .tabs .tab{ float: left; display: block; } .tabs .tab>input[type="radio"] { position: absolute; top: -9999px; left: -9999px; } .tabs .tab>label { display: block; padding: 6px 21px; font-size: 18x; text-transform: uppercase; cursor: pointer; position: relative; color: #FFF; background: #F1EADA; } .tabs .content { z-index: 0;/* or display: none; */ overflow: hidden; width: 800px; /*padding: 25px;*/ position: absolute; top: 32px; left: 0; background: #1C1A1B; color: #F1EADA; opacity:0; transition: opacity 400ms ease-out; } .tabs .content .text{ width: 700px; padding: 25px; } .tabs>.tab>[id^="tab"]:checked + label { top:0; background: #1C1A1B; color: #E29F12; } .tabs>.tab>[id^="tab"]:checked ~ [id^="tab-content"] { z-index: 1;/* or display: block; */ opacity: 1; transition: opacity 400ms ease-out; } </style> <title>HOW TO DECRYPT YOUR FILES</title> </head> <body> <div class="tabs1"> <div class="head"><h3>Your personal ID</h3></div> <div class="identi"> <pre><span class="letter"> <pre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pre><!-- !!! dont changing this !!! --> </div> </div> <!-- --> <div class="tabs"> <!--tab--> <div class="tab"> <input type="radio" name="tabs" checked="checked" id="tab1" /> <label for="tab1">English</label> <div id="tab-content1" class="content"> <h1>&#9760 Your files are encrypted! &#9760</h1> <h3> To decrypt, follow the instructions below. </h3> <br> <div class="text"> <!--text data --> To recover data you need decryptor.<br> To get the decryptor you should:<br> <p>Send 1 crypted test image or text file or document to <span class="letter"> [email protected]</span><br> (Or alternate mail <span class="letter">[email protected]</span>)</p><p> In the letter include your personal ID (look at the beginning of this document).</p> We will give you the decrypted file as proof and assign the price for decryption all files.<p></p> After payment you will receive a decryptor and instructions We can decrypt one file in quality the evidence that we have the decoder..<br> <p> <center><b><p style="color: #ffff66;">MOST IMPORTANT!!!</p></center> <hr color="#ffff66"> <center><p style="color: #ffff66;"> We are ready to work through intermediaries and guarantors. </b></p></center> <hr color="#ffff66"> <ul> <li>Only crypto.support proof can decrypt your files.</li> <li>Antivirus programs can delete this document and you can not contact us later.</li> <li>Attempts to self-decrypting files will result in the loss of your data.</li> <li>Decoders other users are not compatible with your data, because each users unique encryption key. </li> </ul> <!--text data --> </div> </div> </div> <!--tab--> </ul> <!--text data --> </div> </div> <!--tab--> </div> </div> </body> </html>
Emails

[email protected]</span><br>

class="letter">[email protected]</span>)</p><p>

URLs

http-equiv="Content-Type"

Signatures

  • GlobeImposter

    GlobeImposter is a ransomware first seen in 2017.

  • Modifies extensions of user files 6 IoCs

    Ransomware generally changes the extension on encrypted files.

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops desktop.ini file(s) 20 IoCs
  • Drops file in Windows directory 8 IoCs
  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Modifies registry class 33 IoCs
  • Suspicious use of AdjustPrivilegeToken 39 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5b1d292cbfb0cb9d2f7c6341d121ef84a6f4deacc618dd072bbdf369878b9920.exe
    "C:\Users\Admin\AppData\Local\Temp\5b1d292cbfb0cb9d2f7c6341d121ef84a6f4deacc618dd072bbdf369878b9920.exe"
    1⤵
    • Modifies extensions of user files
    • Adds Run key to start application
    • Drops desktop.ini file(s)
    PID:4628
  • 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:2756
  • C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe
    C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe -Embedding
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    PID:4692
  • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
    "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
    1⤵
    • Enumerates system info in registry
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:1920
  • C:\Windows\System32\svchost.exe
    C:\Windows\System32\svchost.exe -k netsvcs -p -s BITS
    1⤵
      PID:4144
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k appmodel -p -s camsvc
      1⤵
        PID:1972

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/2756-130-0x000002203F760000-0x000002203F770000-memory.dmp

        Filesize

        64KB

      • memory/2756-131-0x000002203FD20000-0x000002203FD30000-memory.dmp

        Filesize

        64KB

      • memory/2756-132-0x00000220423C0000-0x00000220423C4000-memory.dmp

        Filesize

        16KB

      • memory/4144-142-0x0000014D42C20000-0x0000014D42C24000-memory.dmp

        Filesize

        16KB