Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220113
  • submitted
    05-03-2022 22:32

General

  • Target

    dc92f1c232d4df9cda71db227085e26424920c981c9be4d905d9bc89a504709c.exe

  • Size

    116KB

  • MD5

    6cd56946aa6245d1eac3a88d4470a40c

  • SHA1

    b4635b3f442e3541a92f026fbb108abeb5d67df7

  • SHA256

    dc92f1c232d4df9cda71db227085e26424920c981c9be4d905d9bc89a504709c

  • SHA512

    4dffd58030258616b5123246d88abc4f2444aa0cc2809cb3cdcc81e01beaaa1ea784c5e7b969c1982ecd938041e658300c24a67049fe868f4b172a55311dbd8c

Malware Config

Extracted

Path

C:\nnc2g0o-readme.txt

Family

sodinokibi

Ransom Note
---=== Welcome. Again. ===--- [+] Whats Happen? [+] Your files are encrypted, and currently unavailable. You can check it: all files on you computer has expansion nnc2g0o. 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/C1E842B4BAA81A9B 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.cc/C1E842B4BAA81A9B 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: CQC2SiXrTxYYiZPYpmnLE9uCA4k4ApIjG4AvzCc1mxiQAi6JggCpuOt0aSeMxFym 78WGtMTv/d86zF138KDveF9ji0+p41jtbtpVd34obIUyoOt8M5uJZc/hxW5tBBZ8 HkN5oil3ajtugcLYd1C3/8X5MZmdgyerlfMZUoOHKpPG8PiS0++apqrkSEx6YUFg 0NUvQscqfJTfzODosFhSPm6j+ViQVazi4iq27yVVx50k/fIaczqj8T5d8t9X979g CAcrBfwmi4ioLpITHLeToXsF9zBgTGt+me8KrlmAvJx6e2VQV/k6W/LCFT1ElPzr D/6jtmUI4SY3nCa6q20ODIXyaCftONAE2pSS95NICHG5rT7jbvjfm0jI27qIEx+4 G1k955KHKUZGZbLApJky//10M1/bX1mzDii8gRHnUhCuiEJ+BKpcMYW34Z6ekOQm t2LPy2COll9v6/N9am6VaWIPKVHJtFoXMgq8NctkVZQ0QkxiIDWbRaSda7d8pqsa beYKc/h7NDTCildq91oymXnqZ1NOhJCU7lxcyhGZ1QdAHJDMbs7cFokxb/4Z428X 1ENAlAL4ado1JCb9tvWAJ1Jw4TvfXgHyOeR/ijCznEz7yYbqcBUisEZr7z4xVfBu 6KJ0pw9ACfFlXnaP5oXwIRVNQtHvr13Jo826uQEtqjCp8hTqivmyCB8MNzkHEV6u /LTf58x9r1dL33OYlf9chomQToMTICbJC4OQ5LI7vDpEGZ9y8qJXLvRbGj5ODoT4 MV36n8/RzouM0UcVBkITy3CNkMdqdSZUkdIObkirBsc8+i71+F4KV+SPVFxwBAp+ 4TW8ebecbUukCx0x4f6NjMnSecBK1+DRelxN219B9mfASwJnzF94l7Visgh5EtSQ JoUhLqmxDN1NpuhvH+dDaPluhgNB3e3mCj/FGkDkcCx1VWqMXKtSHL1EovxbAeaA QRaNs2elUYtaNex1HDzf3enPQd/bBWj95vwZ9Frr/Gd4MK/fbAVRZmolYYKslXAI TNZmJDBhN7KRMDCjzGYnlV4uqSRInd5WrwWYYOjApUw/KPDgVnXhLtJK5537jXDY bR93dSqUrO4sg/IzV7ESvXrBE/CWMw8fdFknmaBj4UsOat8ICdTdz62UdP+fZLvu AUl91Kzvxn0cccqYHusE6EeUsqWDDpSBJ6NJNxow7DoFfvOt6PD9tdRHslOmbOw7 nqsq03FXvvDBueWz8fm1294dt7LQ5BHa54mRSOilVGtN2D2vryHBWmn3CeDobO43 2s8X7stX/sS+R4bTOd/gOcT0kpH8GMalYLzHs6kd Extension name: nnc2g0o ----------------------------------------------------------------------------------------- !!! 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/C1E842B4BAA81A9B

http://decryptor.cc/C1E842B4BAA81A9B

Signatures

  • Sodin,Sodinokibi,REvil

    Ransomware with advanced anti-analysis and privilege escalation functionality.

  • Modifies extensions of user files 9 IoCs

    Ransomware generally changes the extension on encrypted files.

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops desktop.ini file(s) 26 IoCs
  • 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 25 IoCs
  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\dc92f1c232d4df9cda71db227085e26424920c981c9be4d905d9bc89a504709c.exe
    "C:\Users\Admin\AppData\Local\Temp\dc92f1c232d4df9cda71db227085e26424920c981c9be4d905d9bc89a504709c.exe"
    1⤵
    • Modifies extensions of user files
    • Adds Run key to start application
    • Drops desktop.ini file(s)
    • Enumerates connected drives
    • Sets desktop wallpaper using registry
    • Drops file in Program Files directory
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:3972
  • C:\Windows\system32\wbem\unsecapp.exe
    C:\Windows\system32\wbem\unsecapp.exe -Embedding
    1⤵
      PID:3652
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1628

    Network

    MITRE ATT&CK Enterprise v6

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    Downloads