Analysis

  • max time kernel
    107s
  • max time network
    120s
  • platform
    windows10_x64
  • resource
    win10-en-20211208
  • submitted
    24/01/2022, 00:48

General

  • Target
    e68838849a831a51c49737ec096e2bae80699b75f6b33080a211d53ea6cbe11e.exe
  • Size 166KB
  • Sample220124-a5wf1ahab3
  • SHA256 e68838849a831a51c49737ec096e2bae80699b75f6b33080a211d53ea6cbe11e
  • MD5 SHA1 SHA512
Score
10/10

Malware Config

Extracted

Path
  • C:\r72hn8i-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 r72hn8i. 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/C5B65160FF185F18 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/C5B65160FF185F18 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: FVoGwBHoyH8rKgV29djDKGOuo7D2QuA+GAvV46ecpvTl6Fmz7QhX2aQ0n3NGwN1J HYd8VG/SgAH77jCQW4qOypc52rhusUS0vVVdGA5DXpRqzn4GhYSd2d+xXYMJEUOv BhH/1UuZ6CpRF2i6eRdjyX479+/HplYzhs2rw+FjQqJft7sz0uz3yAf4oxT8BEm2 2FmcvuBhea/zCYEDweQZ5nf3vE8Yt1clMaqoyndUOMRysJpeZ6ewkjzZhD2OaZ5u 6sTGbM6GettYlzdEVnMnsQtA27cYAEQBSS93QGq7YB/OJQqNPRjoHgMOEC60Jn+a pa57Z/wW6etUG+vUhXpIyHU+xrAJE1pUee5YEbi8/fv8bQZ6AqhS0StjZ437BhXJ 9YCEW3IuhdolkO3m1B+bA7uP74C1kTw4yDIX8p7AXF6JDLAmEL35CLIkhEZ1deXV +ZqJ72MrZdU7zDfabFD7Pv5NQBvWtUm9i+A4anPqt0/JjVeHz/y03e3XLxOZdwuG BA5tAFVyV7IcNKz9uHqeecOOrV6EKYfbo1ZTkhimZUfrDZUk3GWQ9B44hdDWc+8u AR79Nee0gb5uLlKB/QoFdBSrIqoxuesIGgJv9ESYNt2Y+QCdy/esMhnZRGpLmuys UDLVjt5JVhOiEo0uJkh6os0dXg1FSKEv4aR8O1ee8xB7cL+UTRbFWBO0IIEVt+lK WMJIMw7+cYWfw3qdO9BGYCsR8uKFpRChXMimMMBBpTsNQcprZTddv6uSohxugbl6 mbH7zjX+nbZt7BMu1vux9Qw6jRQEtMT17TxrHOMAopCbBFnGdBh4siW0byej2mY1 SlPG6U0yiQ0O/YFGCkiXt12lMETdKfiUKfJOHqcLlgLWGq7XjCadjtVWcN7CJyk9 tR1Mtqa7RVAWGOGfS06Ewudmwmqy14FPWLcyPUt/xXb75IGas7I9gSWga/Uiz9cI FDDeRoD2erax5Xw8jcOaHXcw+AXkmxWFgglYxruxd/OKla+5o2ccqRSGCEt86Awp ovURY3jHyNavUFz3hhbyTMpWv59LZacexGFB9RpQtN8ILEdazBW3YomWz/vccPfr 86HpSFtp52VlZ0hYGaZ85fL2bgBChdZoq6quVFawXEf7cBzqcIcuCPFX1gebyJEK 8c3BEIy6dhuFv+GaWr8m1wTtzrjY7i+kdh6zTA7JQ6VgbEslmxKHbnfM/yDW3ihS u3irxGSajLDofc4t45TaDJJFZF1+wvXUsz/5X+HxKVc0iY5cx9Lbob0m9U78aTnE newaH3T9VaHF90kqvn4U34lZ ----------------------------------------------------------------------------------------- !!! 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/C5B65160FF185F18

  • http://decryptor.cc/C5B65160FF185F18

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.

  • 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 15 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e68838849a831a51c49737ec096e2bae80699b75f6b33080a211d53ea6cbe11e.exe
    "C:\Users\Admin\AppData\Local\Temp\e68838849a831a51c49737ec096e2bae80699b75f6b33080a211d53ea6cbe11e.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 AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2760
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -e RwBlAHQALQBXAG0AaQBPAGIAagBlAGMAdAAgAFcAaQBuADMAMgBfAFMAaABhAGQAbwB3AGMAbwBwAHkAIAB8ACAARgBvAHIARQBhAGMAaAAtAE8AYgBqAGUAYwB0ACAAewAkAF8ALgBEAGUAbABlAHQAZQAoACkAOwB9AA==
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3796
  • C:\Windows\system32\wbem\unsecapp.exe
    C:\Windows\system32\wbem\unsecapp.exe -Embedding
    1⤵
      PID:3716
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:852

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          memory/3796-122-0x0000023E2E200000-0x0000023E2E222000-memory.dmp

          memory/3796-126-0x0000023E142C0000-0x0000023E14327000-memory.dmp

          memory/3796-125-0x0000023E142C0000-0x0000023E14327000-memory.dmp

          memory/3796-127-0x0000023E2E3B0000-0x0000023E2E426000-memory.dmp