Analysis

  • max time kernel
    151s
  • max time network
    131s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    11/02/2022, 06:23

General

  • Target

    f44ac894925dfb689114d5e1d708d9ee56559187a55ab9bddbc0b8ca9f905ee9.exe

  • Size

    55KB

  • MD5

    b3000834ad97ab35ae29b881a92b4495

  • SHA1

    d5d63331e8b118acede2cad9e3618e64c3bd8e28

  • SHA256

    f44ac894925dfb689114d5e1d708d9ee56559187a55ab9bddbc0b8ca9f905ee9

  • SHA512

    d3045b0163e9a13d82043e226353b30d4639585492c6740c79c65d45f406cc6c731c8fc874b7c86564a7ff0b19459b2fe0a4ac8125ccb50ed3af90726b06f45f

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 14 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
  • Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f44ac894925dfb689114d5e1d708d9ee56559187a55ab9bddbc0b8ca9f905ee9.exe
    "C:\Users\Admin\AppData\Local\Temp\f44ac894925dfb689114d5e1d708d9ee56559187a55ab9bddbc0b8ca9f905ee9.exe"
    1⤵
    • Modifies extensions of user files
    • Adds Run key to start application
    • Drops desktop.ini file(s)
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    PID:1176

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1176-54-0x0000000074F01000-0x0000000074F03000-memory.dmp

    Filesize

    8KB