Analysis

  • max time kernel
    21s
  • max time network
    113s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    22-11-2020 00:03

General

  • Target

    d91f951bdcf35012ac6b47c28cf32ec143e4269243d8c229f6cb326fd343df95.bin.exe

  • Size

    118KB

  • MD5

    0e285f30f30dedd812295d2408f4b84c

  • SHA1

    24e8a7a0b9fdf929e6cc4b52b0470bf4f7b6f244

  • SHA256

    d91f951bdcf35012ac6b47c28cf32ec143e4269243d8c229f6cb326fd343df95

  • SHA512

    0e89d41a5bd1389d74e661e8f9d3efedff589c2e64f444971e349436a9b6f191f0a0d6017a1e7c28d33be382600b08d00f9496ebdfcf839943d559d1a10a8503

Malware Config

Extracted

Path

C:\b5904190-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 b5904190. 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/FDC946F48489C9D9 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/FDC946F48489C9D9 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: 4bDJipiChiSq5lzJ8ec1jufGP23PqxCc8cIrzlneerGslVFPNE/LDtEpKP9GhQN6 SUlb35ceQVHZsk45xUVq76XVK+XovCOc2DYB1JdgvFpWMHJOUsO/JD3j5rHpCpOi D5+BoyapRSo93e7FkFq1ogduJBNbNUHdPcYA+UgBlw9KMzytbVjLd1mYd41YXb5l VEQ1ywou4KcOZQwjSuW7baFSBgkAcoEIDYBgokZXn9Cy6okLcbTQod3t/OsJZzIZ ZHEsqEsWJu2VjuvmGCTYzys9ckp7pzkQ7eRH+13/URkFb9JjETSU/FrP+t0N/a6V hY9tZVyUJ/EL5wNuX8rszMF31pChpwOiLrNc0J0xeqxu3TDJmIAlbaPYGQ2MibbG xpbp0h5pwH8kI0jAD6G0T5574ceu6JLrTsLcju0efZ6gtS+c1/bAoi6F7bm7mgAd LqqtRekLps6b8GCjIUlubH1UzTMu01gCFUbt3Wck820DT+S1eljifN0ZPAOrFrfr 6EQh6hyVT56xy3TjkWZpkKZEqwnxo6zM9xLerrF3h1vQ9QOl+IrzhJPhWzerjHO7 rCPqKvoxhga8Q1yoacUWpfTyV1MeUhycS/Gx6DelY5GB989OuxIdNwFYZofImTJM 1qtvdAuSdceFhzxPNLiwrxij2iv76FNTr+xZFT4rPEifrsmqmHlIOA4CvpWYhxZu yH7CrJhiIluJLrdPqxCDyUXVhVKtcsnvmow1FAk3wbbN0W6aIP0AF6uGROOnrNKM C6hokOjfaML0x/3IV4syxV39Pv1x6RtEZObnoYYNtdMaeNU2jLDcFi/UmDpxn4+j at5sriZxbGrvk7tk/2oSjI8Dgq9wicVnR6qMj+q8pss7wwaM9h5gb+uHA6pzrSJE /d85or4S94wbYXvPa6iwTqC8wCG0vcIHdEnnawVWIy+SUfc/gCfl7bby/xpC6MVN saWfWQ3tZ/QbIxQoxw4hKcCiAZM/Gk0QsAEoMaB9BOYCA7XXDIUzLL3UkcnJgauy el8+Lb8EN/9hdkScWOG6NRtkmld/KoGiquBv4iTBdfiBLVGhBOB622kVWpPqtCP+ mvdOCnYXFLLMpJDI109xW2gUHpK0jYFuJCb5dAg04ohDbmIRth4LfbnXba+fl8RO eWf2u7e4ICY8M7K2ett58/N36eazM01mp9SIl6GkqVQPxyXnfcJQLic2vy6Hux3+ YxFtEwpkYElPUOfbgswR34SKfTM6S4gKNpwf7hSkE2Vcs8WhhOXkDbOTPuQ1EbwI 0wm9MASD64PQCRuC9l7P7A8YH7I= ----------------------------------------------------------------------------------------- !!! 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/FDC946F48489C9D9

http://decryptor.cc/FDC946F48489C9D9

Signatures

  • Sodin,Sodinokibi,REvil

    Ransomware with advanced anti-analysis and privilege escalation functionality.

  • Modifies extensions of user files 3 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.

  • Modifies service 2 TTPs 5 IoCs
  • Sets desktop wallpaper using registry 2 TTPs 1 IoCs
  • Drops file in Program Files directory 22 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d91f951bdcf35012ac6b47c28cf32ec143e4269243d8c229f6cb326fd343df95.bin.exe
    "C:\Users\Admin\AppData\Local\Temp\d91f951bdcf35012ac6b47c28cf32ec143e4269243d8c229f6cb326fd343df95.bin.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
    PID:3992
  • C:\Windows\system32\wbem\unsecapp.exe
    C:\Windows\system32\wbem\unsecapp.exe -Embedding
    1⤵
      PID:3836
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Modifies service
      • Suspicious use of AdjustPrivilegeToken
      PID:1000

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Persistence

    Modify Existing Service

    1
    T1031

    Defense Evasion

    Modify Registry

    2
    T1112

    Discovery

    Query Registry

    1
    T1012

    Peripheral Device Discovery

    1
    T1120

    System Information Discovery

    1
    T1082

    Impact

    Defacement

    1
    T1491

    Replay Monitor

    Loading Replay Monitor...

    Downloads