Analysis

  • max time kernel
    194s
  • max time network
    207s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    11-02-2022 06:33

General

  • Target

    c4e7ca54ab50306fd2534e4434e23b865c93524fa124127969d2002777e9dc7f.exe

  • Size

    55KB

  • MD5

    f93695b533d59fdf7483fe5c263364a9

  • SHA1

    919d6c7f3114c5882369d2445c4d94023411f0df

  • SHA256

    c4e7ca54ab50306fd2534e4434e23b865c93524fa124127969d2002777e9dc7f

  • SHA512

    24ba63c1f53a0b991a5bbc21645b4a5cb8ea26c527c39f082fc69970ec7c654007e049074353bbb26683c3c80b4efe4f507b2a8b1a3f6ad047c621f14b9754d5

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 --> <h3>To recover data you need decryptor.</br> To get the decryptor you should:</br> 1. Copy your personal ID. You can find it at the beginning of this page<br> 2. Contact support by email [email protected] or [email protected] and send your personal ID.</h3> In the first letter to us you can attach one encrypted file for free decrypt. We can decrypt one file in quality the evidence that we have the decoder.</br> <center>Attention!</center></br> <ul> <li>If files locked on multiple PC's of your company we will provide universal decryptor for all computers in your network. Please let us know if files encrypted on multiple PCs</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.

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops desktop.ini file(s) 7 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\c4e7ca54ab50306fd2534e4434e23b865c93524fa124127969d2002777e9dc7f.exe
    "C:\Users\Admin\AppData\Local\Temp\c4e7ca54ab50306fd2534e4434e23b865c93524fa124127969d2002777e9dc7f.exe"
    1⤵
    • Adds Run key to start application
    • Drops desktop.ini file(s)
    PID:3388
  • C:\Windows\system32\MusNotifyIcon.exe
    %systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
    1⤵
    • Checks processor information in registry
    PID:3516
  • 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:2484

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads