Analysis

  • max time kernel
    182s
  • max time network
    195s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    11-02-2022 06:38

General

  • Target

    aec151ab1896489a13e03e2897d3facc8678ffdbd53bd08a01a2d3837f792adc.exe

  • Size

    55KB

  • MD5

    1748fc9c3457f6102469044a18a67095

  • SHA1

    ff7a2abf8f53c2cac4d2d7d8c70b1784362414bb

  • SHA256

    aec151ab1896489a13e03e2897d3facc8678ffdbd53bd08a01a2d3837f792adc

  • SHA512

    3b2baccde64139657ba2cfcb17398078956b8302f32347ff344861ade61f26496e61a8f913df02ce56d7628ee58381b695fd58f92500cd0f9d0c00a9bd6d3463

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; } .letter { color: #DC143C; font-weight: 600 } .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> To decrypt, follow the instructions below. </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 class="letter"> [email protected]</span></br> (Or alternate mail <span class="letter"> [email protected]</span>)<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"> You can not decrypt your files cheaper than we offer you. You can refer to other services that promise to decrypt you, BUT IT WILL BE MORE EXPENSIVE. No one, except [email protected], will decrypt your files with a guarantee 100%. </p></center> <hr color=red> <ul> <li>Only [email protected] can with a guarantee 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
  • Modifies data under HKEY_USERS 45 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\aec151ab1896489a13e03e2897d3facc8678ffdbd53bd08a01a2d3837f792adc.exe
    "C:\Users\Admin\AppData\Local\Temp\aec151ab1896489a13e03e2897d3facc8678ffdbd53bd08a01a2d3837f792adc.exe"
    1⤵
    • Adds Run key to start application
    • Drops desktop.ini file(s)
    • Suspicious behavior: EnumeratesProcesses
    PID:3220
  • 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:3908

Network

MITRE ATT&CK Enterprise v6

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Downloads