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Analysis

  • max time kernel
    148s
  • max time network
    137s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    11/02/2022, 06:37

General

  • Target

    b17d4b83726ddded95acc5a4fedd07bc80fa2633a04b192ac0cecf4ce8c4b005.exe

  • Size

    54KB

  • MD5

    65e3270b5bf8d4bdb8fdf1c74ea298cc

  • SHA1

    58380d3a8725c615764e866150c168caca4c7e3d

  • SHA256

    b17d4b83726ddded95acc5a4fedd07bc80fa2633a04b192ac0cecf4ce8c4b005

  • SHA512

    c0b405a6f91feb53cf042702342ce9fb980caa8aa7f37d5fe7b4676ed917f447a6c3093740ca2b574d0bfaf0f42cf4774ad06510640f976a48a25ccc2c1c944b

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.

  • Modifies extensions of user files 3 IoCs

    Ransomware generally changes the extension on encrypted files.

  • 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\b17d4b83726ddded95acc5a4fedd07bc80fa2633a04b192ac0cecf4ce8c4b005.exe
    "C:\Users\Admin\AppData\Local\Temp\b17d4b83726ddded95acc5a4fedd07bc80fa2633a04b192ac0cecf4ce8c4b005.exe"
    1⤵
    • Modifies extensions of user files
    • Adds Run key to start application
    • Drops desktop.ini file(s)
    • Drops file in Program Files directory
    PID:1288

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1288-54-0x0000000075471000-0x0000000075473000-memory.dmp

    Filesize

    8KB