Analysis

  • max time kernel
    164s
  • max time network
    131s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    11-02-2022 07:01

General

  • Target

    sample.exe

  • Size

    53KB

  • MD5

    01a6c1720a2d8fa6a38691d937229d18

  • SHA1

    02868596aff23e1cfd591c8a0fff2d0124b744a5

  • SHA256

    13566c392034d0c9f37d7bddc91d43f00d114efb9615907f6c4052e7c89c2e48

  • SHA512

    8e80f2e2c193af0d255a2d9c03c93964d94f921ddd745c9f5edab04bce6d4c7bc7648c7b05bec5e4d4e61c3cc9641b7776582a1ea9dc74cb9884a29c919170d5

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: 15px; color: #000000; background: #4A83FD; } .tabs1 .identi { margin-left: 15px; 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>���������������75 BF 60 86 2D 5F 83 E8 F6 4A F0 38 DE B1 A2 71 8D 0A D5 95 95 E0 D7 E2 00 B4 0D 52 DE 86 B7 1B C7 71 69 72 29 13 E1 1B 0B 40 77 32 33 12 AD D0 36 56 E9 CF 37 D8 35 E5 B5 1C B5 18 90 85 07 38 9D 29 BD F8 36 E8 37 A4 58 A4 5F A5 D5 DC AD C0 18 7A 3D 4D 43 47 50 A0 E2 69 19 B2 1B C6 22 C6 BC 7D 47 88 DC 97 3C 56 37 16 32 6E 49 25 E3 AD C6 1D 48 DD 26 08 0A F6 46 01 A2 D9 F0 0E 1B 0E 50 58 28 B0 86 E8 A4 3F 05 60 83 10 22 D1 DB 26 43 25 C4 3A 09 00 DD E5 F3 65 1D 43 82 6C 2A 5B 7C BA 7D B2 FA EF F9 21 53 E5 32 39 05 F6 C8 8D 28 49 BB AF B1 EE 7B E1 7B F7 BE 6E 39 59 75 17 22 CE 06 9D 0F 65 72 B5 D2 17 97 47 E4 78 B1 BD 09 7A F2 69 7D BF 2A 47 E4 E3 75 6E CD 62 A9 2F 7C F8 9B F0 B4 74 70 C0 69 DA 2C 98 89 C6 1D 35 A8 3E 2E D8 CE 86 66 D2 24 42 CE 76 F8 83 8C 11 </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>&#9760; Your files are encrypted! &#9760;</h1> <hr/> <h3>All your important data has been encrypted.</h3> <br/> <div class="text"> <!--text data --> To recover data you need decryptor.</br> To get the decryptor you should:</br> <p>Send 1 test image or text file <span><strong><h1> [email protected]<br> [email protected]</h1></strong></span></br> 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> <center>Attention!</center></br> <ul> <li>Only [email protected] and [email protected] can decrypt your files</li> <li>Do not trust anyone [email protected] and [email protected]</li> <li>Do not attempt to remove the program or run the anti-virus tools</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 10 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

Processes

  • C:\Users\Admin\AppData\Local\Temp\sample.exe
    "C:\Users\Admin\AppData\Local\Temp\sample.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:1680

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1680-54-0x00000000766D1000-0x00000000766D3000-memory.dmp

    Filesize

    8KB