Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    03-05-2021 15:45

General

  • Target

    5467fe3f38ccf0c56c1aba7cbbc56109b747f7a53c333a3f5a1cfe6094e1fa2b.bin.sample.exe

  • Size

    120KB

  • MD5

    7111faa06f6a21e0ea9257bbf316f38a

  • SHA1

    3708066334fa05ad5048a4567361686e00c9a5dc

  • SHA256

    5467fe3f38ccf0c56c1aba7cbbc56109b747f7a53c333a3f5a1cfe6094e1fa2b

  • SHA512

    50e08f0a3f8c47ec0e4a120a4927a0adfbf7592f42ee5a50a55f19b76b74a38edd3ddfb71c73004bff4c3db986008d9290134db07a838fd8a9345291cea559f3

Malware Config

Extracted

Path

C:\o4r3zpc-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 o4r3zpc. 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/B5D63CC5BB219DA3 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/B5D63CC5BB219DA3 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: 8l5oKXZTV5/OKLUiZFDUNM+poUWxNN6R1hzKODQKNiQentb+JXVTzPzdUZN5KV1l 1fvSYbSaGSBLql7lVTO+O9BpWF9aSWGAm7KpYrWOBqYQceza5dsfS44f10ywdYVZ G7PSHVtJAl68TvZntnKDmFdakn9WOVu1T1Hs/KOouyk89GpKRc/Y6JPbaSymcehM 3350RF0jFYMyREtN27cz42NLHNZ2PgqE5bVzUD3M6mNG8cHO8gmB85kgqeclUj/V JI5Jqzw4cLRTA2UfN3LQMwbuQJ7TUOE7IXCKcBLZfHtnyqk7YDVOIrynlh+r5nyo rfcGufZ0xNyKV4mKItGtYDusnu8q0D3xUvQZZk+WeE3+LBgdpzwnG8s91ocw2KXK d40sZbfOOPMUIz/fZEoNEGdTA8+Zyg0QEI0p9Okxn0un1lVN9Yr1DsRETxXxq0Em K4O/JmR3+ezUmoa2Fm4I2il9h29Xnpj3EPIbBLfwjeq2SIMESW75yuJETe43FBz2 REbhq5f5Zky7NDHTpjPpks7FSc+wcxxLnPQNjQ7616hCm0q/Rpcvuqd5JimSWssK 9iNxadTnwSgrMMXfFN3gNYvInQu/kEq9bxGQbAKxq6znHrN0dP0LVFjwf+hNjz9M cMbEZ+H/Du0/Bl+DP0seGyPn9mxNces1g7ouTqqnO20q6973O0BHaJiClRa9/gB1 OUtd64X+K6rP3IhQUH0G54vmuF3aIfCOhhJvKDjZtB71VPKE3pOkMlMbKerIDCOg JdZuynqYrws4fEkgOfcxs2JMKWCG46fjt7SIGIxPpdChlTndy47yoQL8r1Cxubse Fo7YMy8aYk8nO5VP7yNC5rFOp4BgJtP5W4XPVKj+e18DJw79TKYOY1BzbQWAYlg3 TW4A125AsebTh4fV6HRqcVdTHRUoCDH3GdOXgYzecgvdg4HhWEriilq08jvu2S/i 2MygTxk77ERWtSSG5laaDQOS7c2N1d/6xL+rnsTQFUckph2DZSzF/QVjHaV/mfjV 1quXIfcSZX4dqca4KxDVcUvY/FhoZnRyMqKy8uBO9wj+Qyf2pv5J3avGrn4VjUbX 2PO2zf1GXjZCrCoaTaulmfBbAMwynwkxa3owh+RcrleVsNDsrF611Gu1/uvv7+pN Ss54pzbDMKANYvcS171X1UtIHQ0o/jvqATwWSAXBb+wuRLB9Kcs057NLlG3gETbm 2VdGH3pzk0ivAVHKxPDHK4/n8U1lBtbbzjX+iAhLIwU1tL5kHeCh/VyXf10VGsr6 tatpLTIQ49U= ----------------------------------------------------------------------------------------- !!! 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://aplebzu47wgazapdqks6vrcv6zcnjppkbxbr6wketf56nf6aq2nmyoyd.onion/B5D63CC5BB219DA3

http://decoder.re/B5D63CC5BB219DA3

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.

  • 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.

  • Sets desktop wallpaper using registry 2 TTPs 1 IoCs
  • Drops file in Program Files directory 19 IoCs
  • Modifies system certificate store 2 TTPs 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5467fe3f38ccf0c56c1aba7cbbc56109b747f7a53c333a3f5a1cfe6094e1fa2b.bin.sample.exe
    "C:\Users\Admin\AppData\Local\Temp\5467fe3f38ccf0c56c1aba7cbbc56109b747f7a53c333a3f5a1cfe6094e1fa2b.bin.sample.exe"
    1⤵
    • Modifies extensions of user files
    • Adds Run key to start application
    • Enumerates connected drives
    • Sets desktop wallpaper using registry
    • Drops file in Program Files directory
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:508
  • C:\Windows\system32\wbem\unsecapp.exe
    C:\Windows\system32\wbem\unsecapp.exe -Embedding
    1⤵
      PID:2808
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:3764

    Network

    MITRE ATT&CK Enterprise v6

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    Downloads