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Analysis

  • max time kernel
    188s
  • max time network
    183s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    11/02/2022, 06:43

General

  • Target

    8c1060b271d9bb1013d94c5fd13b59e60a96226104d002544e997257a03e0989.exe

  • Size

    53KB

  • MD5

    6850d4e316c45e8f7b718227fae08c04

  • SHA1

    80650938e0feb289f38c92b158be451093b8c6ff

  • SHA256

    8c1060b271d9bb1013d94c5fd13b59e60a96226104d002544e997257a03e0989

  • SHA512

    1adce21b394e25999a3b870fdffce74dff66f80257956e603ee524b813497c340b968547af89f5c782ff54cc38a8a2c87e00e0865bb23b86b35246be95157294

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] or [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] and [email protected] can decrypt your files</li> <li>Do not trust anyone [email protected] and [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> ���������

Signatures

  • GlobeImposter

    GlobeImposter is a ransomware first seen in 2017.

  • Modifies extensions of user files 5 IoCs

    Ransomware generally changes the extension on encrypted files.

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops desktop.ini file(s) 13 IoCs
  • Drops file in Windows directory 1 IoCs
  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Modifies data under HKEY_USERS 45 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8c1060b271d9bb1013d94c5fd13b59e60a96226104d002544e997257a03e0989.exe
    "C:\Users\Admin\AppData\Local\Temp\8c1060b271d9bb1013d94c5fd13b59e60a96226104d002544e997257a03e0989.exe"
    1⤵
    • Modifies extensions of user files
    • Adds Run key to start application
    • Drops desktop.ini file(s)
    PID:2012
  • C:\Windows\system32\MusNotifyIcon.exe
    %systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
    1⤵
    • Checks processor information in registry
    PID:2876
  • C:\Windows\System32\svchost.exe
    C:\Windows\System32\svchost.exe -k NetworkService -p
    1⤵
    • Drops file in Windows directory
    • Modifies data under HKEY_USERS
    PID:3148

Network

MITRE ATT&CK Enterprise v6

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Downloads