Analysis

  • max time kernel
    187s
  • max time network
    204s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    11-02-2022 07:03

General

  • Target

    38d1be444577252cc759faf26f97ebc760be5397a060076edb3943faf71e6ef1.exe

  • Size

    54KB

  • MD5

    42d81100b5441709ea07d1507a0a4530

  • SHA1

    6b1010d98e52254ce50beaa850e5c8b082e20b1b

  • SHA256

    38d1be444577252cc759faf26f97ebc760be5397a060076edb3943faf71e6ef1

  • SHA512

    7e2d6a653cf57134fffd500580d67261cacbff858b833c16387296f2b6ad58c624fbc5849eaeca3920294af93de17edbcbd6baf4dc92a28a5ec6b9167d2890d0

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.

  • Modifies extensions of user files 3 IoCs

    Ransomware generally changes the extension on encrypted files.

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops desktop.ini file(s) 23 IoCs
  • Drops file in Windows directory 1 IoCs
  • Modifies data under HKEY_USERS 45 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\38d1be444577252cc759faf26f97ebc760be5397a060076edb3943faf71e6ef1.exe
    "C:\Users\Admin\AppData\Local\Temp\38d1be444577252cc759faf26f97ebc760be5397a060076edb3943faf71e6ef1.exe"
    1⤵
    • Modifies extensions of user files
    • Adds Run key to start application
    • Drops desktop.ini file(s)
    PID:4028
  • 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:3844

Network

MITRE ATT&CK Enterprise v6

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Downloads