Analysis

  • max time kernel
    132s
  • max time network
    152s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    06-03-2022 02:39

General

  • Target

    3c94fe84b95b27c219b932786ee23f5c4e0aad658455ce119741656b03ab4bb4.exe

  • Size

    144KB

  • MD5

    9254d56183941456f7fc42c142bd873b

  • SHA1

    cdac2f4e0f1c9f9051a1b27294859f5f1012cc47

  • SHA256

    3c94fe84b95b27c219b932786ee23f5c4e0aad658455ce119741656b03ab4bb4

  • SHA512

    f9d0b35e6418bb528a9377b10d35860e1eafa040f92517f6a2910c5692fe385712ff03bc2bfa44068dcf251589cf82665fc8dea2e63a1bd51ba7d49b672bef2e

Malware Config

Extracted

Path

C:\542x8o208h-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 542x8o208h. 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/7E911EBE56F667E4 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/7E911EBE56F667E4 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: tsasqJasV0sbxYQeWfX+g7nUvN26ettHAtyEaVGDIkvErGFg/eW/tLXuxkNmjY0K DmGulGhMPCpaIlbz7T8YMz6J9JunpHion2S1OM0puBkkS50MqoL1KkMnhluR/M82 2XO+76R0tBHv6EBgsOKcujNm/QfeU9tTWnHsbwPft3kOUtkeUophxOaod5xRueLn fV01YQrBiAAfpRkcaxjfAf7yJA5nhOAM8pzhX99cLKrgeFEFh0we4iu2ELZHnr2Q NcJfyXvradf5MoK71YuaFa1jFEmfmE5+Afmjcf0/mKVDws898I1vE3QqTNSwwkfw HxUtB6JZ+eBHIiQgqKW8u/xNjPzZGT9sFdEuX21MHvn0wC4z0aYUKrtm9O9Mwnfd TZTQPSqWXqHtxTl69kM0OPTw2L4iZzboZEL6IMoAb4KvozPXR68Ml7xHi8uWhymh tu+ppzoGqFPOeXThvm0MddK4iD45Lcu+9UYEb1L5f7+tZPUMYda1cCtoZuJeW+2+ q+Pe3JZ3G99mTI566mGZzHfWXtA4cfjOcbR3uVrZz0XDep5KUzE16HLyZg590LVy 76GieY6UTO6o3CmqiIxWNAuxB8idYZ/Uvg1+6UZy9ci3odiYUv2s5jlsBHhgowvw BdVmvuKIXN4j8YqOMaXEnew6AnlJDSNmmgkWEVzlGj+WrmbXuR9UdVszzUGGHu49 tZqnQqYMCfaRPN/s0W+wlpd87b5cT/IdP4HuDoghGi1YufN6cgfT79gdIH6EuGOZ H7SSEohcPXKmzySvA0Y0OW94dn16rZANL2nhwRw1dWA5ZYyZ5RwIMR2PY8Dk3yN/ LkIwmIixlV6Uo34tSYLT5VnS8+6xc5KBVQSt3zs9kNgwVynaNJYPuf5i6+m8U/h5 nlv7H4WWyDubphXEnfaJ6U9IZqHp1jsHxrxCvmpiNDN9EOfISd8VNDj73rafie7E vRIEc99u6603wCzkbVE9cBGR9inVcPChzQ42i63ntrlzI3S+ssN9FxO6G8bTGmG2 M8iqASpOdywDdeYubs2WYU2pPpvYsBwv5OAuyyCSE7TGUk9kY5/cmcVGEAqAgE7m 85A4ZzNaNTDhIaIGmXCXQyq4I6/7TeQL7uoYkO/JCNIBQ0JtT+Hep5AdLDpeAQNY UX/ypRnIEEjPJlx2mweJly+Vs5Ns1CbfhQTum8VBkn+M45DY1Yz3LYb0oua0j+/P qdOzvc4cc+ClphWDmWAz68cIA9++ka47WaEZbbfcpqB2s0fpBvwcZVRpsSBTtsmA qM+Tw+o9e6hANboyC/P3s4aSOyy+JfgksPr2rc6lfJ4= ----------------------------------------------------------------------------------------- !!! 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/7E911EBE56F667E4

http://decryptor.cc/7E911EBE56F667E4

Signatures

  • Sodin,Sodinokibi,REvil

    Ransomware with advanced anti-analysis and privilege escalation functionality.

  • Modifies extensions of user files 10 IoCs

    Ransomware generally changes the extension on encrypted files.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • 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.

  • Drops file in System32 directory 1 IoCs
  • Sets desktop wallpaper using registry 2 TTPs 1 IoCs
  • Drops file in Program Files directory 30 IoCs
  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3c94fe84b95b27c219b932786ee23f5c4e0aad658455ce119741656b03ab4bb4.exe
    "C:\Users\Admin\AppData\Local\Temp\3c94fe84b95b27c219b932786ee23f5c4e0aad658455ce119741656b03ab4bb4.exe"
    1⤵
    • Modifies extensions of user files
    • Adds Run key to start application
    • Enumerates connected drives
    • Drops file in System32 directory
    • Sets desktop wallpaper using registry
    • Drops file in Program Files directory
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:1684
  • C:\Windows\system32\wbem\unsecapp.exe
    C:\Windows\system32\wbem\unsecapp.exe -Embedding
    1⤵
      PID:1280
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1960

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • memory/1684-54-0x0000000075AB1000-0x0000000075AB3000-memory.dmp

      Filesize

      8KB