Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10_x64
  • resource
    win10v200430
  • submitted
    10-06-2020 14:01

General

  • Target

    random.exe

  • Size

    166KB

  • MD5

    9c21e23a91e0488d8df5e65b5d29a2fe

  • SHA1

    f032814f2e072178a0c20d7500c2e1e4352aca39

  • SHA256

    fcb9ba05f921f7af41dba56b278c39715a8631c27048c70d098574e7ec20db22

  • SHA512

    6a9008181203b1d02e62256c62d41e6788caf16b60977ff796bff8b4c42efc815b092082ee99d92d459c54f3b6e440ecfa16d5bfff9a63aa099f48ba20fc53b1

Malware Config

Extracted

Path

C:\8t8k236-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 8t8k236. 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/1C09EC7B85FEBC0A 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/1C09EC7B85FEBC0A 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: f8vQw9WhMw0EMEolHH2EqvTc31ZvCqs/5sAjp8W/+iLE3xCI9QxwElCfifJ9cq20 MB4RktqkobusKOCOLl+N2WJbZ52XxBVyFfojrLylhJjmLJxAxICpLhYCfzvMvCe7 Jpi/tApJpxX9vaWFwXccCSVeivH5Lraag6MG8GvREKjE49lIe43WyLGpJkGxDQWB czDMW525LfktB5QFy0Ex/W4r0nBJGRlhCY2jvWHDpkv6fttPwFCspHb8XhqWwesg K8VITkBdt7UNQpDUVRQrlz3/YegSdvp31Ifa9VUyin7/lgaP8AZOYVkhvp3yRxw6 ws+FzNg5KrCwhcYPMDF+gVK6gLyOLmySRFFAtVSV01NOLC9IfDtYTecWiIxdO6jH fIt++v1BAU6i1q4uIjuMNnpd1p8UlmLVsDuXihxFAEGAebGqJ2xgr0eFhxQgXgpL MkqBmbEjHmQeJRUmpFgE2hSLjmcdWHgNu4sBlSzKNgluRPQmkEzJrBo8ffllizri BzM2tLG8mMfwrOKgw0coCksXmQ+H3cPdp9ehsgyeiiR4MKlSUatbi341b0Yach/i FR1+ro4h5gxuqWQBOhaD3QAA6hwEtG9/a0ogRnVjuCmXIMZhjcOiQsibNCpyk8ic NJyxDPmQ/+3zx42bZLmLuW0aaSMlB4KkxT4StKRkWTv2/awGDaxjrXeJ4icoz4uC +Tyw4DdFUqaM04dEP9aH/YqGfyy8Ok24Y38gwmUE/EqZzvygiEQIFguvdjYT/wiZ bx7inOovsA1ATN07GVEg6wnYsb4IqwGe7eQ8tjt8n6PR6Iwz5Y0hvoVNH1+3E+un Xr+PQ1HjoldByOcciYRpW4cSyfJH+AQVKtEQF2K1P3fHXhicSdf4y3/YEtL1hDJq RsdF1YvpFw0a1ES1Rp8L0ur4WIRu67xklxETkHmRyCBbbAU5szGheQVJRu/3l4X9 rTUn4S3UK42ldaSa2isVV/Lb1FDXpA6eb0cZ2p5kTsY+tzhfs5MAlfWskPRd/Y30 Y+rA/a445ClyZxA5Y8lMhH0okOi81e/eY0TwpqLh5RsrDrAWnghR2OmVsuE9Z7Go I2mKuLbSkDOllw2NMVBSatX2MdTftcB57H8mlQFZaEmUSfem0HDKirYxgbphMeSF kl7gBG5xFayQG3+vjnm/r6G6G8TDJszfNQGWcLj50bYUMi78G5MDgg46DRusvfsP oiPytjKj4+Ia6bXLn/+I7lMrloPEbjCbnjYjDiWFfo/hycVWq5e+HFei3MFODeXG ZgB4b0IQpG+SY5GwwnzkNNmR ----------------------------------------------------------------------------------------- !!! 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/1C09EC7B85FEBC0A

http://decryptor.cc/1C09EC7B85FEBC0A

Signatures

  • Suspicious use of WriteProcessMemory 2 IoCs
  • Sodin,Sodinokibi,REvil

    Ransomware with advanced anti-analysis and privilege escalation functionality.

  • Adds Run entry to start application 2 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs
  • Modifies service 2 TTPs 5 IoCs
  • Drops file in Program Files directory 35 IoCs
  • Sets desktop wallpaper using registry 2 TTPs 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Modifies system certificate store 2 TTPs 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\random.exe
    "C:\Users\Admin\AppData\Local\Temp\random.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    • Adds Run entry to start application
    • Drops file in Program Files directory
    • Sets desktop wallpaper using registry
    • Suspicious use of AdjustPrivilegeToken
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    PID:2536
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -e RwBlAHQALQBXAG0AaQBPAGIAagBlAGMAdAAgAFcAaQBuADMAMgBfAFMAaABhAGQAbwB3AGMAbwBwAHkAIAB8ACAARgBvAHIARQBhAGMAaAAtAE8AYgBqAGUAYwB0ACAAewAkAF8ALgBEAGUAbABlAHQAZQAoACkAOwB9AA==
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious behavior: EnumeratesProcesses
      PID:516
  • C:\Windows\system32\wbem\unsecapp.exe
    C:\Windows\system32\wbem\unsecapp.exe -Embedding
    1⤵
      PID:580
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Modifies service
      • Suspicious use of AdjustPrivilegeToken
      PID:1928

    Network

    MITRE ATT&CK Enterprise v6

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    Downloads