Analysis

  • max time kernel
    119s
  • max time network
    127s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-04-2023 03:51

General

  • Target

    2023-04-20_e4be3e7aa3e471f7c42ec7ba35c3d69f_revil.exe

  • Size

    165KB

  • MD5

    e4be3e7aa3e471f7c42ec7ba35c3d69f

  • SHA1

    5640beca5831e8a49031cd335a31415bfc8f3282

  • SHA256

    50fdb342de90ce63c31625156beb9ed968bf11527ce7c4c3bd4a3f3f7c4cf730

  • SHA512

    11b7e7659b083d1a7a060c7512651089fab63960e96083a60123c44cdd957a022c7d0af8c7b1bb7db364c44d30333ec2e121a9f4a85659f61143c8f36504fc26

  • SSDEEP

    3072:eCEq0R0nZ5ys5n4Y9doh7O79siUs/NaV4mKI3EeUO:lw02sJPi7O93NK4mKI0VO

Score
10/10

Malware Config

Extracted

Path

C:\Recovery\4e53o7o-readme.txt

Family

sodinokibi

Ransom Note
---=== Welcome. Again. ===--- [+] Whats Happen? [+] Your files are encrypted, and currently unavailable. You can check it: all files on your computer has extension 4e53o7o. By the way, everything is possible to recover (restore), but you need to follow our instructions. Otherwise, you cant return your data (NEVER). [+] What guarantees? [+] Its just a business. We absolutely do not care about you and your deals, except getting benefits. If we do not do our work and liabilities - nobody will not cooperate with us. Its not in our interests. To check the ability of returning files, You should go to our website. There you can decrypt one file for free. That is our guarantee. If you will not cooperate with our service - for us, its does not matter. But you will lose your time and data, cause just we have the private key. In practise - time is much more valuable than money. [+] How to get access on website? [+] You have two ways: 1) [Recommended] Using a TOR browser! a) Download and install TOR browser from this site: https://torproject.org/ b) Open our website: http://aplebzu47wgazapdqks6vrcv6zcnjppkbxbr6wketf56nf6aq2nmyoyd.onion/7C41522F9169AEA0 2) If TOR blocked in your country, try to use VPN! But you can use our secondary website. For this: a) Open your any browser (Chrome, Firefox, Opera, IE, Edge) b) Open our secondary website: http://decryptor.top/7C41522F9169AEA0 Warning: secondary website can be blocked, thats why first variant much better and more available. When you open our website, put the following data in the input form: Key: AleFKTJ14UPCW07iHdqpWjhBEdueT0M9zLj2uXaatf+9beMXMsvwMaz6EhU4xjpS Vn0x1TH+KsHP71Ls2+uid4qvfrb7AWILMJa0K9/ZHfvqBl+A7N7BnmF3cKlnAOCf s7vxHQ15KPqAnC+Gk1O9wR340rv4IQbeckuIStx+WtL+bje+8a7A7NcATGhWN3tS Usv6hF156+ukEVuCGumv/PcKnASxDYRT9QRNgp6/udBZDMePlcFIZ4Nc1foqfHp6 v1+FAKWjY4mmNj1U5wTKto99tuxhc5mcIoqEx5bncU0VK3M2o3QJu/Oi/Iu5qNoW czSsYbNnQ9AITwoJQj3ZQ9FYvJPOyMT3tIQj0dhO1KyxraccGJJgUnPsmeLQJaoB Qw4pdA2BEVxe3CdybzhBTlMYtcKiX+H0dwC0oBl21NuO0uxxoxX8z4sAQVJvXR8P SvvpwWGMgMhB/vli8EhDJUbK1wFbpB9UUTHllFQKt/VuYyDg9VaVcOuCtTn+m37g 5J1jh4N4AmMiDiFI7MVjUAO4ip2EaOZL7HJDoFdpdUKxr7owhYZpQPNStxyIOCto tr7GdjFrDxV++/XLMui7HYvLBphZ6Hv4vqxIG0y5KmRohXmhq9HqBiFJ9IPZJ3Gv GUmo8K0z63hgSlE2VVsujfwS9uao781cXzveZh4ei0+ivgeGiloOGzFFOnjncfWe nLs5+Qh9LmLIy77qoZcVrkIR7BnWzo+HWW4lkqXw0tjtFMLLhU7DuX8I0gXs4DvA NzcD8LhnXLqvCjrCk3gZyd2MCxWJkqucZ+Bysx+bH59OhBmPE2Du+a0EHaVU2Auu j9FejVqg01ixNSXjodkxa7+iXLB76WkvVojy/EOWtNNBDiZKSuNVEnDW8xC8tDjG XykOLmUkmH3CKWJXU8kPWAXTNEbLx4NVVhT6Dqri5fdXTrzDptvHrs9XK16MhNwm lJBvmB4U6XSBkhmFw3CbeXdJF4+nO+Rmzkl/aazg2AFb90qXQbRMfQY9WXLe4bTh WJRc57WAZZJNOpnWKw8GADrntM6nLfXKCP8Z3m0hxih3d8F1OTJfpTv8WwMrvEBt AjUWUJzdq7agpN41qp0OscIH5Am887VVdn5ps/bJa8De25THgXwbAdvmXNtY9S0+ 0rhuoI+JscQdt3N/ Extension name: 4e53o7o ----------------------------------------------------------------------------------------- !!! DANGER !!! DONT try to change files by yourself, DONT use any third party software for restoring your data or antivirus solutions - its may entail damge of the private key and, as result, The Loss all data. !!! !!! !!! ONE MORE TIME: Its in your interests to get your files back. From our side, we (the best specialists) make everything for restoring, but please should not interfere. !!! !!! !!!
URLs

http://aplebzu47wgazapdqks6vrcv6zcnjppkbxbr6wketf56nf6aq2nmyoyd.onion/7C41522F9169AEA0

http://decryptor.top/7C41522F9169AEA0

Signatures

  • Sodin,Sodinokibi,REvil

    Ransomware with advanced anti-analysis and privilege escalation functionality.

  • Modifies extensions of user files 4 IoCs

    Ransomware generally changes the extension on encrypted files.

  • Enumerates connected drives 3 TTPs 25 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Sets desktop wallpaper using registry 2 TTPs 1 IoCs
  • Drops file in Program Files directory 35 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

Processes

  • C:\Users\Admin\AppData\Local\Temp\2023-04-20_e4be3e7aa3e471f7c42ec7ba35c3d69f_revil.exe
    "C:\Users\Admin\AppData\Local\Temp\2023-04-20_e4be3e7aa3e471f7c42ec7ba35c3d69f_revil.exe"
    1⤵
    • Modifies extensions of user files
    • Enumerates connected drives
    • Sets desktop wallpaper using registry
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:3532
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -e RwBlAHQALQBXAG0AaQBPAGIAagBlAGMAdAAgAFcAaQBuADMAMgBfAFMAaABhAGQAbwB3AGMAbwBwAHkAIAB8ACAARgBvAHIARQBhAGMAaAAtAE8AYgBqAGUAYwB0ACAAewAkAF8ALgBEAGUAbABlAHQAZQAoACkAOwB9AA==
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2728
  • C:\Windows\system32\wbem\unsecapp.exe
    C:\Windows\system32\wbem\unsecapp.exe -Embedding
    1⤵
      PID:4664
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:4912

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • C:\Recovery\4e53o7o-readme.txt

      Filesize

      6KB

      MD5

      79d8c8c6230fd6abb73d16dbc2ee6581

      SHA1

      e127ba2c6c81158d3b5e9abfbdfe1096f2576e1e

      SHA256

      0aaf3d8d7326b50ceb25f455a7446ec2df5023f08420a680eb5209efe457b210

      SHA512

      bd3d624f7bb9cebf8702d4d59f2117056cc5a1c05f58eb8468e321ba9c71fe24d1cecff5c6a9df413e33dc44ae0436d5adb598ec2ad65fc06f9de5a60238c110

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_0ozfqmwy.nyk.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • memory/2728-142-0x0000014AF8ED0000-0x0000014AF8EF2000-memory.dmp

      Filesize

      136KB

    • memory/2728-144-0x0000014ADFA10000-0x0000014ADFA20000-memory.dmp

      Filesize

      64KB

    • memory/2728-143-0x0000014ADFA10000-0x0000014ADFA20000-memory.dmp

      Filesize

      64KB

    • memory/2728-145-0x0000014ADFA10000-0x0000014ADFA20000-memory.dmp

      Filesize

      64KB