Analysis

  • max time kernel
    136s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-01-2024 13:52

General

  • Target

    INs.exe

  • Size

    53KB

  • MD5

    53d266f79e065761f85f145fe4b38e58

  • SHA1

    8455381ce40ed75e791d4d904fd31b3dda0a227f

  • SHA256

    3ea1f5c46ec453361e4596fdc9a1084a0f4922c970e2075bac3f54478f5b27d5

  • SHA512

    5e7dc399de29e53be1686d86a2627fc8b066412a92d1cabbe824eee5f41d5ffc964c5ab453a69e3fbe8fdd4e55a683f6282c840889351de070a5621087cae224

  • SSDEEP

    768:3aivuye1kVtGBk6P/v7nWlHznbkVwrEKD9yDwxVSHrowNI2tG6o/t84B5nj:3neytM3alnawrRIwxVSHMweio3

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;">��������������30 F7 06 1C 33 C4 E5 07 2C BE 9D F0 00 80 49 38 C1 20 51 59 21 5A A2 83 F0 39 D5 28 9C 43 84 75 5A 20 34 A9 8D B8 D9 EE EE B8 E3 81 B7 C7 3F 5F 8D C0 9F A9 DF 30 A8 FF 76 45 E0 FB 7D 1E D6 96 15 88 B3 30 4C 08 3D 60 50 B0 06 20 BA C3 21 52 56 65 55 BE 8C 13 E6 D3 C9 04 B1 A3 0E 45 D8 80 FB 61 BB D2 98 37 44 55 32 95 ED EA 8F 26 81 CA 5D F8 88 F6 FA C4 62 41 49 E3 BD 6F 62 62 99 F5 B7 EE 5A 6E C8 FC F1 73 3F A9 A8 3B 2C 67 5E D9 3D 87 14 F6 E7 F7 AA 17 E8 77 AD 4B 61 45 81 F4 12 0B 3C 85 A3 B8 C2 75 E1 E8 F1 4A 33 D1 5C B9 3D 4A 9A 7C 41 2E A5 F1 87 E4 28 F6 A5 C9 F4 91 82 70 50 5C 04 F0 8C 90 15 90 80 96 EF 01 50 09 F4 AD 2C 40 8C 3C D9 20 24 B9 5C FA 56 14 CF EE AA F0 BE D0 CE 04 26 DA 7C 88 F5 61 84 21 2F 57 F5 39 23 3C B6 C4 13 A9 2B 5E 43 E5 02 39 9B 6B </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>* Tor-chat to always be in touch: <a href<a href<b> </div> </div> </div> <!--tab--> <b> <b> <b> <span style="font-size: 22px">qd7pcafncosqfqu3ha6fcx4h6sr7tzwagzpcdcnytiw3b6varaeqv5yd.onion</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 (6092) 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\INs.exe
    "C:\Users\Admin\AppData\Local\Temp\INs.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Drops file in Program Files directory
    • Suspicious use of WriteProcessMemory
    PID:3744
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\INs.exe > nul
      2⤵
        PID:4452

    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

      093687396eacb256c28a5096bbd5caf3

      SHA1

      aa5942f88d0da1d56b0a1956c9a5f5453825b0e4

      SHA256

      ea9a23fee78434849268f1c2dcca9a0fcac490a57cafd1802c2511aca0c214a4

      SHA512

      c8abc2515434c1be543743673c93b2e85baf2aa3bb64c6321306b01b2c5e24160da39de3d525d1b8ef4009877142de743d279fdcb3b6ea69413e53c86bd21199

    • memory/3744-0-0x0000000000400000-0x000000000040E000-memory.dmp

      Filesize

      56KB

    • memory/3744-5353-0x0000000000400000-0x000000000040E000-memory.dmp

      Filesize

      56KB