Analysis

  • max time kernel
    151s
  • max time network
    34s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    08-01-2023 12:26

General

  • Target

    d16518abb5dc4d76f4f423d02b0b8c99fe5edb89edf3c60ca64ebb2a6879a15e.exe

  • Size

    55KB

  • MD5

    6af267d388242b54a87d0d0b6eb0ccd8

  • SHA1

    eeeec084ebf73ca9d6600452e2997a469b4996c9

  • SHA256

    d16518abb5dc4d76f4f423d02b0b8c99fe5edb89edf3c60ca64ebb2a6879a15e

  • SHA512

    270e9ee5ec4fd63045a8e6a704106e178bd20788b73e7e1a9e4db83eaa629b38dd55bf7a202d534c0d91a20ce76e7b21d14335f94366f4acbf8a20194cfadce2

  • SSDEEP

    768:emtihjk9hlg4tBLuZuZJHe4ndXxnWlHznD/VwrEQYtqVi6S9JWvZ/KWwhQMNzLm9:eTjkfV+KJolntwrbDSTWvTwhQMhmpdL

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 9 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 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d16518abb5dc4d76f4f423d02b0b8c99fe5edb89edf3c60ca64ebb2a6879a15e.exe
    "C:\Users\Admin\AppData\Local\Temp\d16518abb5dc4d76f4f423d02b0b8c99fe5edb89edf3c60ca64ebb2a6879a15e.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:1336

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1336-54-0x0000000075931000-0x0000000075933000-memory.dmp

    Filesize

    8KB

  • memory/1336-55-0x0000000000400000-0x000000000040EC00-memory.dmp

    Filesize

    59KB