Analysis

  • max time kernel
    183s
  • max time network
    198s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    11-02-2022 06:38

General

  • Target

    ad34f5affbb9618cfa8eca01e680e0d58b8a46a20ee91df60bac00ff1eec524d.exe

  • Size

    55KB

  • MD5

    0056e9f07e1024fa948818b4a425385b

  • SHA1

    9a1c4effee247ae332749fda9f1d515d1e25071a

  • SHA256

    ad34f5affbb9618cfa8eca01e680e0d58b8a46a20ee91df60bac00ff1eec524d

  • SHA512

    8cf663ecadb3d651d172d4de4ded4be315cc3350292bd60596b2ecd09f2c2cabbc489a9992d432752e4889ffba79ce5710fd98150d173bb4525d3b64771c2acb

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: 5px; color: #FF0000; background: #303030; } .tabs1 .identi { margin-left: 0px; 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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p> </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>&#9763; Your files are encrypted! &#9763;</h1> <hr/> <h3> &#11015 To decrypt, follow the instructions below. &#11015 </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> <font color="FF0000"> [email protected] </font></span></br> (Or alternate mail <font color="FF0000"> [email protected] </font>)<p> 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> <hr color=red> <center><p style="color:#FF0000">MOST IMPORTANT!!!</p></center> <center><p style="color:#FF0000"> Do not contact other services that promise to decrypt your files, this is fraud on their part! They will buy a decoder from us, and you will pay more for his services. No one, except [email protected], will decrypt your files.</p></center> <hr color=red> <ul> <li>Only [email protected] can decrypt your files</li> <li>Do not trust anyone besides [email protected]</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 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) 9 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\ad34f5affbb9618cfa8eca01e680e0d58b8a46a20ee91df60bac00ff1eec524d.exe
    "C:\Users\Admin\AppData\Local\Temp\ad34f5affbb9618cfa8eca01e680e0d58b8a46a20ee91df60bac00ff1eec524d.exe"
    1⤵
    • Adds Run key to start application
    • Drops desktop.ini file(s)
    PID:1444
  • C:\Windows\system32\MusNotifyIcon.exe
    %systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
    1⤵
    • Checks processor information in registry
    PID:1568
  • 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:3160

Network

MITRE ATT&CK Enterprise v6

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Downloads