Analysis

  • max time kernel
    4294206s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20220223-en
  • submitted
    06-03-2022 04:42

General

  • Target

    302422d0180ff35cd414c163df958506d188fcf9c8abfa688b61101dc36c02b8.exe

  • Size

    53KB

  • MD5

    64dccf9ee4907071496ba67d8f18556a

  • SHA1

    e7c703088ee567a88d5fbcaac1b281ad6fbe020d

  • SHA256

    302422d0180ff35cd414c163df958506d188fcf9c8abfa688b61101dc36c02b8

  • SHA512

    dc9d34349eaac7897a149cadf70b92c78a0f2bfacaf995495be901bc66ca2200d0c3d0c14313092ff13e8fb67680ace129b317c5824ae9cb0d4fc1a9aa95ef3d

Malware Config

Extracted

Path

C:\how_to_back_files.html

Ransom Note
<html> <style type="text/css"> body { background-color: #404040; } { 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: 15px; color: #000000; background: #4A83FD; } .tabs1 .identi { margin-left: 15px; line-height: 13px; font-size: 13px; text-align: center; float: top; display: block; padding: 15px; background: #303030; color: #DFDFDF; } /*---*/ .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: #4A83FD; } .tabs .content { z-index: 0;/* or display: none; */ overflow: hidden; width: 800px; /*padding: 25px;*/ position: absolute; top: 32px; left: 0; background: #303030; color: #DFDFDF; opacity:0; transition: opacity 400ms ease-out; } .tabs .content .text{ width: 700px; padding: 25px; } .tabs>.tab>[id^="tab"]:checked + label { top: 0; background: #303030; color: #F5F5F5; } .tabs>.tab>[id^="tab"]:checked ~ [id^="tab-content"] { z-index: 1;/* or display: block; */ opacity: 1; transition: opacity 400ms ease-out; } </style> <head> <meta charset="utf-8"> <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>���������������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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> <hr/> <h3>All your important data has been encrypted.</h3> <br/> <div class="text"> <!--text data --> To recover data you need decryptor.</br> To get the decryptor you should:</br> <p>Send 1 test image or text file <span> [email protected]</span>.</br> In the letter include your personal ID (look at the beginning of this document).</p> We will give you the decrypted file and assign the price for decryption all files</p> After we send you instruction how to pay for decrypt and after payment you will receive a decryptor and instructions We can decrypt one file in quality the evidence that we have the decoder.</br> <center>Attention!</center></br> <ul> <li>Only [email protected] can decrypt your files</li> <li> [email protected]</li> <li>Do not attempt to remove the program or run the anti-virus tools</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 user's unique encryption key</li> </ul> <!--text data --> </div> </div> </div> <!--tab--> </ul> <!--text data --> </div> </div> <!--tab--> </div> </div> </body> </html> �����������
Emails

Signatures

  • GlobeImposter

    GlobeImposter is a ransomware first seen in 2017.

  • Modifies extensions of user files 4 IoCs

    Ransomware generally changes the extension on encrypted files.

  • Deletes itself 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops desktop.ini file(s) 37 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\302422d0180ff35cd414c163df958506d188fcf9c8abfa688b61101dc36c02b8.exe
    "C:\Users\Admin\AppData\Local\Temp\302422d0180ff35cd414c163df958506d188fcf9c8abfa688b61101dc36c02b8.exe"
    1⤵
    • Modifies extensions of user files
    • Adds Run key to start application
    • Drops desktop.ini file(s)
    • Drops file in Program Files directory
    • Suspicious use of WriteProcessMemory
    PID:1708
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\302422d0180ff35cd414c163df958506d188fcf9c8abfa688b61101dc36c02b8.exe > nul
      2⤵
      • Deletes itself
      PID:1556

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1708-54-0x0000000075131000-0x0000000075133000-memory.dmp

    Filesize

    8KB