Analysis

  • max time kernel
    98s
  • max time network
    150s
  • platform
    windows10-ltsc 2021_x64
  • resource
    win10ltsc2021-20241023-en
  • resource tags

    arch:x64arch:x86image:win10ltsc2021-20241023-enlocale:en-usos:windows10-ltsc 2021-x64system
  • submitted
    20-11-2024 10:20

General

  • Target

    solara.dll

  • Size

    164KB

  • MD5

    6e3efb83299d800edf1624ecbc0665e7

  • SHA1

    0bd22f204c5373f1a22d9a02c59f69f354a2cc0d

  • SHA256

    2ca64feaaf5ab6cf96677fbc2bc0e1995b3bc93472d7af884139aa757240e3f6

  • SHA512

    dd1675bb15eb8ea2933b25413271117823ad7ff38280e7f552b5201e3a5bef8607a2112df2e24f598449ebfdb570ff9458aba0314ed8819dd4d774ea855e9ad2

  • SSDEEP

    3072:FWeI5JXJRGpUhFiWjmfb+HP+rnRfU9ECs5p:FWe29/GuzjmfCHWtUiCs5p

Malware Config

Extracted

Path

C:\Users\c6z6mz-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 computer has extension c6z6mz. 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/F80DBC400B86709C 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.top/F80DBC400B86709C 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: RaNJOOM+DcB5p7R06ounr1zVifIVRQKN7tNlLnVFCYKlVg2Js7QnfSWRmrkOaUJT HqT/qOn15wI6WlEriDYR9AFdEjlHLOREGHTWayywNllezu4V62LEb3LwJRaF6G3U a9X7Z/MLFSDcPD+GzyR8csF2Ykiyi8PiEKsJGSMD0SfM53Z1NTiGetwxskbfQn43 E3bDOtw2L7xiz2vNB9RDSNBom0d9BqqnldjvjsgL1fKnaCu5J0JQIjUY5MMTIYuZ jEASSTNOM1NhcjLtgOy14ymOA9nIk8fjGydliQB4GYeeaTveGZwtOi049mOkRBnJ eOk8BCedLogpwZS6+WPMf1QOEyoa6YZv6xeinvvuWachgAxVCx24AIX095yR4OO7 GfDCI9k76eiTjjx+E7dGncAvJhWrIu/c71nRLlMvDwbHl297XZ/imsB08J9o/K/O GCW2EOO8ZPXYp07O0HgUCE1RpXl9R6qK/8Koz1mI80J//kFls3n6VGekzb8y5nTq 3biavjrKfcsP+zml2C/Wr1h6J5jwoKZxyvowir6cNNHBq8vCE76VWfW2ODDEUSq0 /oxHXC7X3ittn7a6VptPU2RA5/eJoElcL7IiXEmpwkSRkNuTY+6Cap3IRRw4/JVi DDQoQxhoaJSb/vJPag/lIgQwDQVYYyJE43+oL+3px3nmLhlqKeL+cmsNfdKjt80t qSNxd6PyRqmehC/8+s1EiZdxqq/bCL1EfPLONWOl3yqY3IEWKDSYNMz2qLKmXJ3H XEzgJvAEaHdyB3y6mCnvE42cZ+Ho+XtpwFJkXeudbTgCP/cR4D+Tfk6hqc9GKtes snrlA9CdpDR9B35MBbjeIMGWBOSMKGDCqraaUvX3kx9aHY050l9suQjVMgAsMWap TOrCuWRhj9Y8RAMHQpfFrw/QqBjZJTavignBalNyItVpKBs0jbZpw7/N9A0OGizu cp9Ntk1NLIlTimrxjAX5IWdNkHAApGDyS6uBUFbCLJDgYYl4KtKcO4ZHw+RrGYoC XvSCL0ElGdOuWNwTAHOuFAcMFJTmFn3m8eta5grW8ZvWyVBJiOxN7eVHChwZ6IcH qKdnWI1Yvj3BBfl4vNF3o2piFPOmqwEUh1owhIS9pIIA3z522Gh5AwrHBkwyPIm4 d6ynps2/1OYvlBq+n1OofRRnlyQtosK2USPga3OERIxKqVM0Zco1dOqx/o7xPfQg a7G9CCncbwbw5MVxCNIDP4Alp7EAmQcpN8bWEX4ojHKMBkUB+IA= Extension name: c6z6mz ----------------------------------------------------------------------------------------- !!! 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/F80DBC400B86709C

http://decryptor.top/F80DBC400B86709C

Signatures

  • Sodin,Sodinokibi,REvil

    Ransomware with advanced anti-analysis and privilege escalation functionality.

  • Sodinokibi family
  • Enumerates connected drives 3 TTPs 25 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in Program Files directory 34 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\solara.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2524
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\solara.dll,#1
      2⤵
      • Enumerates connected drives
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:5080
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        powershell -e RwBlAHQALQBXAG0AaQBPAGIAagBlAGMAdAAgAFcAaQBuADMAMgBfAFMAaABhAGQAbwB3AGMAbwBwAHkAIAB8ACAARgBvAHIARQBhAGMAaAAtAE8AYgBqAGUAYwB0ACAAewAkAF8ALgBEAGUAbABlAHQAZQAoACkAOwB9AA==
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:984
  • C:\Windows\system32\wbem\unsecapp.exe
    C:\Windows\system32\wbem\unsecapp.exe -Embedding
    1⤵
      PID:2964
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:4840
    • C:\Windows\system32\NOTEPAD.EXE
      "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Public\Desktop\c6z6mz-readme.txt
      1⤵
        PID:400

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_xe2212uq.5u5.ps1

        Filesize

        60B

        MD5

        d17fe0a3f47be24a6453e9ef58c94641

        SHA1

        6ab83620379fc69f80c0242105ddffd7d98d5d9d

        SHA256

        96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

        SHA512

        5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

      • C:\Users\c6z6mz-readme.txt

        Filesize

        6KB

        MD5

        ea53d477d6d1e2e01d1e7d0cdc6b3e6d

        SHA1

        911900ca4a25b78381b1b3baaa6853a8fcb22a20

        SHA256

        160c30eac2291d51267637b678ef8312629bc539ec28f6426ee09ca1d54b3ebc

        SHA512

        7af8bbff0bbac1348737cbeaa6085d904fa5990521991dac89083ab9d6c8cbe7886bdb2ca7b008da3cea8b204eab010eac26308a8b851252a6d5c5833e838797

      • memory/984-0-0x00007FFA70DB3000-0x00007FFA70DB5000-memory.dmp

        Filesize

        8KB

      • memory/984-6-0x000002B279590000-0x000002B2795B2000-memory.dmp

        Filesize

        136KB

      • memory/984-11-0x00007FFA70DB0000-0x00007FFA71872000-memory.dmp

        Filesize

        10.8MB

      • memory/984-12-0x00007FFA70DB0000-0x00007FFA71872000-memory.dmp

        Filesize

        10.8MB

      • memory/984-13-0x00007FFA70DB0000-0x00007FFA71872000-memory.dmp

        Filesize

        10.8MB

      • memory/984-16-0x00007FFA70DB0000-0x00007FFA71872000-memory.dmp

        Filesize

        10.8MB