Analysis

  • max time kernel
    167s
  • max time network
    129s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    11-02-2022 07:01

General

  • Target

    3f5f09f67d846f65e983dba8075d45b1047b51615ea3d72d4b7e3739ee34fe34.exe

  • Size

    54KB

  • MD5

    71697d46ac097dbaba3209e052feb9a9

  • SHA1

    39b49b28823619a816139e9277f6ad74f5277360

  • SHA256

    3f5f09f67d846f65e983dba8075d45b1047b51615ea3d72d4b7e3739ee34fe34

  • SHA512

    c17ef0397a297b2bd2230e65947d608d20cf516818fe755e95633ce6cb2d30305f6725e4b381e15724db25d4dfe3be75ca9487a0acf6d6ce3a56e4a5c0514f34

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 decrypt tool.</br> To get the decrypt tool 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). Send me this ID in your first email to me</p> We will give you free test for decrypt few files (NOT VALUE) and assign the price for decryption all files</p> After we send you instruction how to pay for decrypt tool and after payment you will receive a decrypt tool and instructions how to use it We can decrypt few files 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.

  • 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) 27 IoCs
  • Drops file in Program Files directory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3f5f09f67d846f65e983dba8075d45b1047b51615ea3d72d4b7e3739ee34fe34.exe
    "C:\Users\Admin\AppData\Local\Temp\3f5f09f67d846f65e983dba8075d45b1047b51615ea3d72d4b7e3739ee34fe34.exe"
    1⤵
    • Adds Run key to start application
    • Drops desktop.ini file(s)
    • Drops file in Program Files directory
    PID:1820

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1820-54-0x0000000075341000-0x0000000075343000-memory.dmp

    Filesize

    8KB