Analysis

  • max time kernel
    130s
  • max time network
    156s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    17-06-2021 04:58

General

  • Target

    3b0cf9bc480a7fc4a560ab26cd35a72313b1fa49bf6ef208c434a32b3f1588c4.exe

  • Size

    122KB

  • MD5

    c975edf27d1683d844191ad565c63bf8

  • SHA1

    f79f406e7a73b0578836fb6e182da96db1766e1f

  • SHA256

    3b0cf9bc480a7fc4a560ab26cd35a72313b1fa49bf6ef208c434a32b3f1588c4

  • SHA512

    cba6f681aaea9555bae1e65c8e556b20de49b9ba96d4f6f08afd8b4aedaa12f2083294a0e8bcc6921daead6d73d8044cbc3dd356c9b4e959e5f0a805e6864a04

Malware Config

Extracted

Path

C:\8i2sveno-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 system has extension 8i2sveno. 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 practice - 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/F420A2306DEF7182 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://decoder.re/F420A2306DEF7182 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: uLrsVuIQnVuvz1bfe/TSd2rvGvtGpE8lfCSEAmgedpXKv9jyq8RKTVy8aC5BPB4g x9zWjds03P6FyU8zAmD9E7vk4peVUjXhs2eTmGjwthzAZB1jDxwKSrdub4NKxRek P4N6orzZWKrULHfXq34RRg8pNpjbfZKnHQA6Zh4lGKNgvA3gjXFOVmVaa4rYVVRg DIswaNQOur/ZvwfZ987Wj2YsRbEk52Xd/rT+XEtNpeMtjABVD4BHrRF+d8E/RdgI UX8orVT7FKdjlE9Q6KYVn/QXgWQeyP2hdKCbA1J25nVQuw2D18DGWHBaweaDwOMK xRXcQWbR/L/gQ6/iUPnCSPQNufU9i6NmOw82fDGQMYQyrxbg/l9zqQ5Y/tf1FJ8h bcmHWMD4RaZ/U2dpzyBOrJRN5hSR8+alm5lqA8yDyBYH2/wduN29ujdpE/PvlcCj mpNRELCTs5ZrXFUjKg1J2J5qZw644SBlT6svqETC525YdfsNyC69mZ5VBTV1erg5 CdxcJqnAaTBWg+IxCfqa8Nb73ivICaurgaw7SzY4Wt0RWpLnDYl4yJyWmQYWbj5G 15bjQ3oCr0vYSbe7KKwAoomxQODIRi1K+kLVkEu6GJE816bRTEMVDclW8D9D5TxP ukNaXVFNOsMP8UTdABrjfACGIG2cjapJFP4yWhpFAwFcBJIhwzM0c8uo61dujfIt 04tDNTPihPYchlGNIjN/GFyY3dSwuhRIrXCoMTYkaLFpVhpno+LG7sboUHndwN5q loLYvXumZcNCj73vzPPuyof/WN2kAVmH6o8rVoShQvtaj3Q4BnDNARzuNKxF2P+B Zehne0qzK2xhdjLLDPhL/XoR93gxfrMsmce+nBwgFuy8b+srVl0e0qvtqb4yrl5U /+qiQkV/dVW8ayTbhCcCNVCyD+AXIuKV4GlqsOrBaV3nqSl26pJVfBB+88/cJPRb Q2PObKIm43yMG4EgVo+wJWZadm00/YXs5Wy2RB9KuDV2sk8UcVM2YflvpFShRwJq oUx5wvc/yqS/vAF7cvzMMhDKE2ej3271kCNzrOkVtyVv7J0aVDsOaCGCl5xARlfe 7vY1mdvUam0GC6rwNTNvhOEh3zHJJFnjTibWWWQjlrk0bXKiJofVper319v6TSYU /hjnsSVddFpf5eKopdCMAGEC8ZTWLrXfunSYDexJBn80fXeQmER2qXypTroTUyj+ 7sJ4T/kd/qwXuYW5H0exX5QFnu6upPk3/5jPJNjeR1rjQJZoXU/yssPGuAC9IBHe N94s5IwIZoS65A== ----------------------------------------------------------------------------------------- !!! DANGER !!! DONT try to change files by yourself, DONT use any third party software for restoring your data or antivirus solutions - its may entail damage 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/F420A2306DEF7182

http://decoder.re/F420A2306DEF7182

Signatures

  • Sodin,Sodinokibi,REvil

    Ransomware with advanced anti-analysis and privilege escalation functionality.

  • Modifies Windows Firewall 1 TTPs
  • Modifies extensions of user files 6 IoCs

    Ransomware generally changes the extension on encrypted files.

  • Adds Run key to start application 2 TTPs 2 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 18 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Modifies system certificate store 2 TTPs 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3b0cf9bc480a7fc4a560ab26cd35a72313b1fa49bf6ef208c434a32b3f1588c4.exe
    "C:\Users\Admin\AppData\Local\Temp\3b0cf9bc480a7fc4a560ab26cd35a72313b1fa49bf6ef208c434a32b3f1588c4.exe"
    1⤵
    • Modifies extensions of user files
    • Adds Run key to start application
    • 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
    • Suspicious use of WriteProcessMemory
    PID:4440
    • C:\Windows\SysWOW64\netsh.exe
      netsh advfirewall firewall set rule group="Network Discovery" new enable=Yes
      2⤵
        PID:5112
    • C:\Windows\system32\wbem\unsecapp.exe
      C:\Windows\system32\wbem\unsecapp.exe -Embedding
      1⤵
        PID:3260
      • C:\Windows\system32\vssvc.exe
        C:\Windows\system32\vssvc.exe
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:1936

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/5112-114-0x0000000000000000-mapping.dmp