Analysis

  • max time kernel
    93s
  • max time network
    139s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-09-2024 17:48

General

  • Target

    20240930522e839f0581331b49e657ed1b7d07beglobeimposter.exe

  • Size

    53KB

  • MD5

    522e839f0581331b49e657ed1b7d07be

  • SHA1

    96c0693071dadaec7ab413468cd1692641a876fa

  • SHA256

    87a9cf743545b76277e88442e784f0dda6701fb10abfba6c0adc75feaec3de28

  • SHA512

    47ae3120496d56a0796269dd08b9d5a6cae6732fa9b591a2507531e05402154b8529ca5b4616d04df92cca2596a39c330a45b8fb92f49fde3cd99df900e73fd2

  • SSDEEP

    768:lTH9vuye1kVtGBk6P/v7nWlHznbkVwrEKD9yDwxVSHrowNI2tG6o/t84B5vvVv:feytM3alnawrRIwxVSHMweio3Z

Malware Config

Extracted

Path

C:\ProgramData\Package Cache\{ef6b00ec-13e1-4c25-9064-b2f383cb8412}\how_to_back_files.html

Ransom Note
<html> <style type="text/css"> body { background-color: #f5f5f5; } h1, h3{ text-align: center; text-transform: uppercase; font-weight: normal; } /*---*/ .tabs1{ display: block; margin: auto; } .tabs1 .head{ text-align: center; float: top; padding: 0px; text-transform: uppercase; font-weight: normal; display: block; background: #81bef7; color: #DF0101; font-size: 30px; } .tabs1 .identi { font-size: 10px; text-align: center; float: top; padding: 15px; display: block; background: #81bef7; color: #DFDFDF; word-break: break-all; } .tabs .content { background: #f5f5f5; /*text-align: center;*/ color: #000000; padding: 25px 15px; font-size: 15px; font-weight: 400; line-height: 20px; } .tabs .content a { color: #df0130; font-size: 23px; font-style: italic; text-decoration: none; line-height: 35px; } .tabs .content .text{ padding: 25px; line-height: 1.2; } </style> <body> <div class="tabs1"> <div class="head" ><b>Your personal ID:</b></div> <div class="identi"> <span style="width:1000px; color: #ffffff; font-size: 10px;">��������������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span> <br> <!-- !!! dont changing this !!! --> </div> </div> <!-- --> <div class="tabs"> <!--tab--> <div class="tab"> <div id="tab-content1" class="content"> <div class="text"> <!--text data --> <b>/!\ YOUR COMPANY NETWORK HAS BEEN PENETRATED /!\</b><br> <b>All your important files have been encrypted!</b><br><br> <hr> Your files are safe! Only modified. (RSA+AES)<br><br> ANY ATTEMPT TO RESTORE YOUR FILES WITH THIRD-PARTY SOFTWARE<br> WILL PERMANENTLY CORRUPT IT.<br> DO NOT MODIFY ENCRYPTED FILES.<br> DO NOT RENAME ENCRYPTED FILES.<br><br> No software available on internet can help you. We are the only ones able to<br> solve your problem.<br><br> We gathered highly confidential/personal data. These data are currently stored on<br> a private server. This server will be immediately destroyed after your payment.<br> If you decide to not pay, we will release your data to public or re-seller.<br> So you can expect your data to be publicly available in the near future..<br><br> We only seek money and our goal is not to damage your reputation or prevent<br> your business from running.<br><br> You will can send us 2-3 non-important files and we will decrypt it for free<br> to prove we are able to give your files back.<br><br> <!--text data --> <hr> <b>Contact us for price and get decryption software.</b><br><br> <hr> <b>email:</b><br> <a href="[email protected] ">[email protected] </a> <br> <a href="[email protected] ">[email protected] </a> <br> <p>* To contact us, create a new free email account on the site: <a href="https://protonmail.com">protonmail.com <br> <b> IF YOU DON'T CONTACT US WITHIN 72 HOURS, PRICE WILL BE HIGHER.</b><br> <p>* <a href<a href<b> </div> </div> </div> <!--tab--> <b> <b> <b> <span style="font-size: 22px"></span> </b><br><br> </b><br> <!--text data --> </div> </div> <!--tab--> </div> </div> </body> </html> ��������

Signatures

  • GlobeImposter

    GlobeImposter is a ransomware first seen in 2017.

  • Renames multiple (6123) files with added filename extension

    This suggests ransomware activity of encrypting all the files on the system.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Indicator Removal: File Deletion 1 TTPs

    Adversaries may delete files left behind by the actions of their intrusion activity.

  • Drops file in Program Files directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\20240930522e839f0581331b49e657ed1b7d07beglobeimposter.exe
    "C:\Users\Admin\AppData\Local\Temp\20240930522e839f0581331b49e657ed1b7d07beglobeimposter.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2520
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\20240930522e839f0581331b49e657ed1b7d07beglobeimposter.exe > nul
      2⤵
      • System Location Discovery: System Language Discovery
      PID:5048

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\Package Cache\{ef6b00ec-13e1-4c25-9064-b2f383cb8412}\how_to_back_files.html

    Filesize

    4KB

    MD5

    4a6b4e41ccb24450868b3dd6f23b37ec

    SHA1

    915bdda0254dc6723c7e09bd1ecf978c33cb3671

    SHA256

    fff966ee096d2b6765eca57ad0187b2ebf230cc3e12eb6ea5c41411664dd71b2

    SHA512

    7a0a7d6906983acfb4ece3bca8f37d8f23c4ebc3f612038599314b22c9f75aefa0d311e488fc70d371458b45f5dae6f541ebec13cafe7a64cd95244d06e012d6

  • memory/2520-0-0x0000000000400000-0x000000000040E000-memory.dmp

    Filesize

    56KB

  • memory/2520-2276-0x0000000000400000-0x000000000040E000-memory.dmp

    Filesize

    56KB