Analysis

  • max time kernel
    160s
  • max time network
    149s
  • platform
    windows10_x64
  • resource
    win10-en-20211208
  • submitted
    24-01-2022 00:56

General

  • Target

    d7197385b0c0974393b22c837e9a41f052a3b5e8f0b320ebd13182b22275d678.exe

  • Size

    122KB

  • MD5

    f821ddcd4fbd0eb32c5094c4286aee26

  • SHA1

    6e0db38384f435d7a44589d44b46c65496d8fb29

  • SHA256

    d7197385b0c0974393b22c837e9a41f052a3b5e8f0b320ebd13182b22275d678

  • SHA512

    9be155c9fa4903950b755821384ec6f813b8c8a5893c866bcbcf394cca17b5896878e6fa6998b8b8d923e275c9c15d8fabad3d1b10940db6b802a040cd5a33a0

Score
10/10

Malware Config

Extracted

Path

C:\c7c8z82m-readme.txt

Ransom Note
---=== Welcome. Again. ===--- [-] Whats HapPen? [-] Your files are encrypted, and currently unavailable. You can check it: all files on your system has extension c7c8z82m. 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/C24134F515F41C55 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://decoder.re/C24134F515F41C55 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: 0Fe7Hrh6w389yaKWprKiqG7KdVw+W0uQo7IDj/c/g0FN9Od6GmWFxySOMsYPNQV5 dwFbRSoMQb8kCbdNNH08nFTlS8oG8Vzhm2pmXcetQLASp9/a1NvwZr5eMwG/usIL VD820yG4M6cfd21VxuR0AgmD/lulSoZkVMBzS7/sA0rjcM+DSisQDDb001v3DV29 WS27WPIsTg2ueRMGkbsxWwcP+Y9WYONbkHKLrHLpIK54OjWXo3i2nl+XZhVS2aLB yP9t6sl7mOxDTVi/ESLPbMPsRfUcE424J4jR0/DhhSnubEaaMnBwn2j64XI8uJfi hsQ2tbPxBJz98mCzy0Ppy22AlPyaFZ6W6Ir6XyGq/vjB0bQIhQtWWy9f4iNZ5Y9O hyVIehSAzNOIa+z9ZD6pvoxztf/MsAtnxbG5yF0Fiaw+RrRHq8St/F+SV1nFCjV+ Gn5RJZzKnFPE4/JEK476lMkvaPQ6U161nsy8WmF0LzIY/mML28Ng/LjgYlWCjpXj vJhDIdvrB7OlKR59Cr0R/T/D+oWtLqIZYL26rTidkl8CPHYJb4uMED4jjswEg89k REzeHPTrLEMHbZBR7DSEzg+tHGAqy78tfv2OBJA07Ki5QVjvAKa1v/urJfwz28MB iPY/3Xau47DvjVwmB7s46jIz6W0ZswK1PBCpHpyTMBPNqabESwBcmJCBZ2iaczsK X0mIZhB+NlD4Oc/T6gPRReaV/nNoRb694lQDqcZqZTkMSOzhg/cUqU4KOURrUF4Y 9DWj2lFHrHy1evZ/yGVBE+jBbyaTG42iNMUPFs9uU//Q8P1tkceHuQdhhGuyKXlP hIXy6BcqXzrTHJeAih8sLkyTwRdhYjJSN6b1yoSurnVpfnSLM6UzcyDSwGST5p8o 6rZwZNsuw7OmGSc2qv6biVDJ57ucEnpz4LzXGzsO7/D4p7FWF5c27BeTQnMVYnlH 1ttRmAAuZOax0QFEAj+eSDTg1wJAgMrabK35HrLVl0l5hB/GCYB1AeZXjDL3+67g t6oj9p0Hv1VOOiOw9VAn5X13NG4w1+kaz2vvdvFD3JDgnbMhFZM2W4+qeNigGf9v ZzhQ9/aPajv6LTulod3K7sxZHOwA2VsKno7Q2RME6pn7epP5569Qvu+nLLNQc9KU PBNqrGX0lwdjvH0v5wid68kRQTufnCzuTz3wWe4gy1J6z+N4WKg1FPGH6u45pyOG uaNZAlMGvVksp1otFF6+vhRZXvh7AJw/f3eDvJquIw31joc+YVq6uegOXG0uqoS1 /IWaYAJ6JKeFmA== ----------------------------------------------------------------------------------------- !!! DANGER !!! DON'T try to change files by yourself, DON'T 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/C24134F515F41C55

http://decoder.re/C24134F515F41C55

Signatures

  • Modifies Windows Firewall 1 TTPs
  • Modifies extensions of user files 5 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 14 IoCs
  • Drops file in Windows directory 13 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d7197385b0c0974393b22c837e9a41f052a3b5e8f0b320ebd13182b22275d678.exe
    "C:\Users\Admin\AppData\Local\Temp\d7197385b0c0974393b22c837e9a41f052a3b5e8f0b320ebd13182b22275d678.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:2420
    • C:\Windows\SysWOW64\netsh.exe
      netsh advfirewall firewall set rule group="Network Discovery" new enable=Yes
      2⤵
      • Drops file in Windows directory
      PID:1352
  • C:\Windows\system32\wbem\unsecapp.exe
    C:\Windows\system32\wbem\unsecapp.exe -Embedding
    1⤵
      PID:2876
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1300

    Network

    MITRE ATT&CK Enterprise v6

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    Downloads