Analysis

  • max time kernel
    181s
  • max time network
    177s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    11-02-2022 06:32

General

  • Target

    c68e99c7d11863ddde4f8e7b7d68c880b8eecbf6ab2c43b10e727e85fe445cbe.exe

  • Size

    54KB

  • MD5

    07d6bbb3f0b910e15e7531d38fef188f

  • SHA1

    64febec25da93568ad61edae2d5e301856bd63fb

  • SHA256

    c68e99c7d11863ddde4f8e7b7d68c880b8eecbf6ab2c43b10e727e85fe445cbe

  • SHA512

    f28173ad9b5a5915c4d863d307b3a6847b7603b4854d903169c1f536557f4c40e118baf2b50e7ba5a8c833b74b2bc8a5dc93c0c4344c97addc351ec7e833e74b

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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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.

  • 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\c68e99c7d11863ddde4f8e7b7d68c880b8eecbf6ab2c43b10e727e85fe445cbe.exe
    "C:\Users\Admin\AppData\Local\Temp\c68e99c7d11863ddde4f8e7b7d68c880b8eecbf6ab2c43b10e727e85fe445cbe.exe"
    1⤵
    • Adds Run key to start application
    • Drops desktop.ini file(s)
    PID:388
  • C:\Windows\system32\MusNotifyIcon.exe
    %systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
    1⤵
    • Checks processor information in registry
    PID:2092
  • 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:2820

Network

MITRE ATT&CK Enterprise v6

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Downloads