Analysis

  • max time kernel
    196s
  • max time network
    226s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    11-02-2022 06:26

General

  • Target

    e296f532c6210869e5a91906932b4334e62f3d0f2e023e578f74183a908321f0.exe

  • Size

    32KB

  • MD5

    54373a523c0640b79d94deb98d06895e

  • SHA1

    d40aab05eb772aee850052d7fd3341549a8f1d4a

  • SHA256

    e296f532c6210869e5a91906932b4334e62f3d0f2e023e578f74183a908321f0

  • SHA512

    eb96ba45f7d566e88728cd6f7d9d3b01fccedd3d7c00f6b2f3d8f57f46e9c4221e7c8f18e773e044405a2cf919cfc108b3afc9151cd7b04c4a1133bfa98d2688

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>56 20 EF 4B 76 CD 9E FD A8 58 A8 4D B6 DA 92 AE 6C FA 35 57 EC 4D 93 05 73 2C 6F 2B 02 0F 8E 21 7D 56 7A BC FD AC C8 CF 4C 45 05 86 BE E8 F1 06 12 0A 26 0D D1 6D 2B 49 E5 9B 19 96 3D 76 41 3A 29 E5 7F 41 BD B8 80 44 26 EC FA 43 56 47 99 98 DE DA A5 17 5F 3E B2 8F 03 D0 64 4C E8 18 6E 5E C2 22 8B D8 5C 98 1B 68 AC A6 A7 E8 9C 53 6E 8D 3A 7E 94 F8 98 02 1F 34 0B 00 30 8D 22 B0 94 17 CF 3C 43 23 86 C2 49 58 18 AF 0B A7 46 F4 43 D5 18 DF 79 C1 E2 33 28 DC 8B A6 F9 F5 B7 67 0B 74 AB D6 49 DE 80 4C 5B BF 4C 33 3A 2A D3 82 9A 96 36 2D 67 44 7A 8F CC 7C 18 5E DE 76 D1 D4 24 9A 44 78 5C 17 BC 07 AF 42 3D E4 D8 A7 FC 4D 25 88 56 1F 73 85 32 49 1C 78 D1 44 78 5A CC C6 91 11 6A 94 BA 4B 94 9A 6F E4 29 BA 07 A9 3F F6 A2 B5 47 52 33 56 59 9F 76 FC D6 A7 E3 85 4D 6E C3 0E </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.

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops desktop.ini file(s) 9 IoCs
  • Drops file in Windows directory 1 IoCs
  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Modifies data under HKEY_USERS 45 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e296f532c6210869e5a91906932b4334e62f3d0f2e023e578f74183a908321f0.exe
    "C:\Users\Admin\AppData\Local\Temp\e296f532c6210869e5a91906932b4334e62f3d0f2e023e578f74183a908321f0.exe"
    1⤵
    • Adds Run key to start application
    • Drops desktop.ini file(s)
    • Suspicious behavior: EnumeratesProcesses
    PID:3752
  • C:\Windows\system32\MusNotifyIcon.exe
    %systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
    1⤵
    • Checks processor information in registry
    PID:2124
  • 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:4000

Network

MITRE ATT&CK Enterprise v6

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Downloads