Analysis

  • max time kernel
    136s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09-02-2024 01:29

General

  • Target

    d9135507e8dbcf15a852ec34623ea6b6d633e10032c94f187ef357ba821af893.exe

  • Size

    53KB

  • MD5

    22ff4b883468f0b2b21b2c50d5ca5bd9

  • SHA1

    e34f09cf8f1416ab4611a6a18ff99281fad93c70

  • SHA256

    d9135507e8dbcf15a852ec34623ea6b6d633e10032c94f187ef357ba821af893

  • SHA512

    9b37dff34d3ceca993bebda8e6d3f4f4a361af65ec6bdde4be54021be2dc48c176aa0b0ef2bae8433ca2957d5e3c28fe448465c3f816a5ee36a5d395bd8f4405

  • SSDEEP

    1536:oWOeytM3alnawrRIwxVSHMweio36l990:oWOey23alnaEIN/W6lA

Malware Config

Extracted

Path

C:\ProgramData\regid.1991-06.com.microsoft\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 (6079) 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 2 TTPs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d9135507e8dbcf15a852ec34623ea6b6d633e10032c94f187ef357ba821af893.exe
    "C:\Users\Admin\AppData\Local\Temp\d9135507e8dbcf15a852ec34623ea6b6d633e10032c94f187ef357ba821af893.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Drops file in Program Files directory
    • Suspicious use of WriteProcessMemory
    PID:980
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\d9135507e8dbcf15a852ec34623ea6b6d633e10032c94f187ef357ba821af893.exe > nul
      2⤵
        PID:4404

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\ProgramData\regid.1991-06.com.microsoft\how_to_back_files.html

      Filesize

      4KB

      MD5

      70c5070ea89691af3a2364d5714c2da3

      SHA1

      f8e16dc2291a5723378b6e21e04f35707c9cf6fe

      SHA256

      ce2271230145d29bf79b5ae786a0db08848d64e290647a2801ae21813b32b03f

      SHA512

      52162cd167d2ead88ddf13cb538a242ac5f98aea163a61c3c960ec148e450bac6a50ca4c734b6d1ee0bcffc2c926dc35ff71053b891ba8c48f160d4bbf3de326

    • memory/980-0-0x0000000000400000-0x000000000040E000-memory.dmp

      Filesize

      56KB

    • memory/980-1787-0x0000000000400000-0x000000000040E000-memory.dmp

      Filesize

      56KB