Analysis

  • max time kernel
    151s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230221-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-02-2023 05:09

General

  • Target

    fd71b1ab3e3823ccd88c0f406c30c4386074c36e1c0432e13121550cd655098f.exe

  • Size

    53KB

  • MD5

    5efa19dc204e46e8d8c57482f80e7a40

  • SHA1

    5c83b3ddc8417fe64e0bbd3495445ddcee52e35e

  • SHA256

    fd71b1ab3e3823ccd88c0f406c30c4386074c36e1c0432e13121550cd655098f

  • SHA512

    0cdf4a1263b9a341240acea245155f0afbaac864eccd1d9623a9a152a9287e8a65cd62f12804d5a1293c9d960a4958c2aa05a720f35d42699fec5d4ac0accfc1

  • SSDEEP

    768:FKcvuye1kVtGBk6P/v7nWlHznbkVwrEKD9yDwxVSHrowNI2tG6o/t84B5YW:F9eytM3alnawrRIwxVSHMweio3+

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; } .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;">����������51 24 1C 7D 46 04 6F 35 94 AA EB E7 B7 B4 D5 12 F4 72 D1 51 11 FB 1E 24 15 B2 79 D1 AB 79 4F BF 6A F2 A4 FE 5C 18 CC 44 04 E3 E3 63 54 28 9F EB AF 68 51 4A D7 E6 2D 45 71 E8 CD EB 22 5F 7C 4D 84 3F 2F E9 E0 F7 D5 8F 06 4F 13 BA 6A A1 A5 82 76 13 90 44 D9 7B 47 8D D1 08 DD 6B 0E 82 0F 65 B6 A1 55 71 53 0E CB 04 4B 9D 51 E1 32 6C 3D CB E2 A2 DC 40 BF BA 3C D9 F1 32 5B 8C B9 5B 92 BF 70 0F D7 4E 1F C2 39 56 B2 23 D6 54 92 73 DB A3 D2 97 83 20 CF 9C 49 08 4E A3 53 66 92 94 6B DB 6B D7 D8 3A 8D 9C 60 86 DF 8B D5 29 EB 63 08 B3 C6 FB 94 9D 97 8D C1 5F 6C 71 87 0E 28 8D 76 92 84 E1 8C B1 92 D5 36 3B BC 5B 18 59 9C B9 F2 6B 15 88 02 7A 2F AB 88 7B 87 DE F0 EB AA B0 AB 23 8C 8F 8F 55 61 23 C8 33 42 44 0D 2D 74 CC 61 41 F6 6A 57 08 A2 11 02 60 5E F9 76 DC C7 60 A6 DE </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> <a>qd7pcafncosqfqu3ha6fcx4h6sr7tzwagzpcdcnytiw3b6varaeqv5yd.onion</a><br> * Note that this server is available via Tor browser only<br><br> Follow the instructions to open the link:<br> 1. Type the addres "https://www.torproject.org" in your Internet browser. It opens the Tor site.<br> 2. Press "Download Tor", then press "Download Tor Browser Bundle", install and run it.<br> 3. Now you have Tor browser. In the Tor Browser open <a>qd7pcafncosqfqu3ha6fcx4h6sr7tzwagzpcdcnytiw3b6varaeqv5yd.onion<br> </a> 4. Start a chat and follow the further instructions. <br> <hr> <b>If you can not use the above link, use the 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> </div> </div> </div> <!--tab--> <!--text data --> </div> </div> <!--tab--> </div> </div> </body> </html>

Signatures

  • GlobeImposter

    GlobeImposter is a ransomware first seen in 2017.

  • Modifies extensions of user files 8 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 file in Program Files directory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fd71b1ab3e3823ccd88c0f406c30c4386074c36e1c0432e13121550cd655098f.exe
    "C:\Users\Admin\AppData\Local\Temp\fd71b1ab3e3823ccd88c0f406c30c4386074c36e1c0432e13121550cd655098f.exe"
    1⤵
    • Modifies extensions of user files
    • Adds Run key to start application
    • Drops file in Program Files directory
    PID:4880

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    Filesize

    4KB

    MD5

    9106a0cf009b1fec4b67dc78203b9513

    SHA1

    60613ae4834555f156d55f540419e2cc223cbce0

    SHA256

    04ca7bcbb5a43420b853bfe29d7dfb0498017e2c7526497a2ac77b7e5c950a62

    SHA512

    87c912f440bfab60cf7fa90831035763e1852fa2c123ad33a4a5ad91e0340738a06e7e2404c78b4117593721a972624cca5cb6b29118cbcf0cfd25da85c393b5

  • memory/4880-133-0x0000000000400000-0x000000000040E200-memory.dmp

    Filesize

    56KB

  • memory/4880-606-0x0000000000400000-0x000000000040E200-memory.dmp

    Filesize

    56KB