Analysis

  • max time kernel
    145s
  • max time network
    167s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    24-01-2022 02:07

General

  • Target

    4d9bdbd879fd18f48c8ff49fe32fee262fb9e86787462a7ded18de88e6209ebb.exe

  • Size

    162KB

  • MD5

    f94e629749dd9d792923edec87a06e1b

  • SHA1

    9cd4941133ed3ee74ef28ecc544d7dfa81a01f08

  • SHA256

    4d9bdbd879fd18f48c8ff49fe32fee262fb9e86787462a7ded18de88e6209ebb

  • SHA512

    fecc29b2b3747c286edac04c95ad92c79ac294d7d78e1185a4c835ea8d488b0e647264fa742a736bfc387227202d19864001cb5487f97252fa7576dff7e32fd1

Malware Config

Extracted

Path

C:\4aem4n2m6u-readme.txt

Family

sodinokibi

Ransom Note
---=== Welcome. Again. ===--- [+] Whats Happen? [+] Your files are encrypted, and currently unavailable. You can check it: all files on you computer has expansion 4aem4n2m6u. 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/DB438572BA615E84 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/DB438572BA615E84 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: G8G+sbvWp5uSu9Ej6Hu+kPQlv7nzu5dZVRefqydnKJQ4Zo5GJD2vzjVspk6bolio 7DShjSc+onj+26OSNkwKNW+QVIXz4OjywLTBceLQhSNEdQMO9zNH7/dPL98osC5r 8wtpo4Q8FNq73WGn0q+rd+H5N3ihdDZDn+0j49E3wXXIoxAG769uYVOILZtNDuwd baC9yMzEbE2ktvPoovxSTyOBBTGCpwebonHddCRX2kTQy/w4U/QoiShnTisntKXy oxqR0BMf9kQ33myCM3IF7G0w74kxpMTyweJjkO4QDyMRvS7npf+s9NbT3ksDh5lJ cUwgjOu+engr1TjMMB3ivQ/5wXDGYIGIHHClm5F+uGbG2gDSRzMxgVMsthYNgzmd 71Kofqw+FC2vQFGeMX5hucVA75P3Mk1I8EJaMd7JSt3CdwybGvcGJt2ZFNhUDXAQ Q5H9beE1KaIyYY15lnUAWqh7fs9hE0s1Z/yTV8o+kRqkpITD8SxzaWPgDLmHDw4d aEBbh8VeZTrOC7EzghfP8Fzpcus0RB/ScxYof1RMqjFD+ZDdqJDTIOIfvmJ9xx2A 2jfY3HDGV1jCumXVgopeh3oNg+Yb4tQqKAC7cvs5TcJqga3mmOXNCKaiVAf7WRba qRP8BoYacQTkFzK6Hou+6qzRn41A7q/N6m5P5EBts8sh6Ywmjvrw+QtCwXcaK3+N ujQiK/D9LP5M55FAsxqCKHTEIkqPVYSqsML29cn5P7WjyevNs1QvxIUkxU3fiuGH TbJxJ3ZF3SaCzg/fFfUy153jBYiMn9tpFThL0kVTjqgEiVZDE9WPANoFWrzzfY3i kgN+jSfZ9ctRx2x3tyLzdcTQRhCIpOsehseTmpGuRQbAptUzLspB0QQVt4q74fJ6 E+gBvFAa2SMN/V2x1Vd/acP1tDw4W2uRZ3nBOT3GG/5sPHTr3Ftd0iiclc7HagUA FZwWv273AmSlzNXvbb7yf6hqByT+alXGDIk6aNigsq37PEjgl0dgjSaaXZUcb1CJ T2S8r/0CuuXkKeI3+0TIQo0GduB6g03cWvNMTTP3RzXltEZXQGRquAw+NdUzVgb0 L1IRXWN95MH+dtZSYziQi3BXFGvdCSTHA7M9me0VWmDPaq/yNWISm8jeqtn09hnQ WradjKaXSJhNmyG6BuT4fFQUGTChedvBpLGJfIsp+7Apwfslwf3+MFWlDLhPdC25 liT+K7/qwRyJ2iK0RuMPpdHnDkYhwB4ebf6FdVeJnNpcid/tRiVZunVl/NNQWask qahqRg0oWdKq0eZmQ+2qlSeHHRjRapq45k7kY+mhnjs= Extension name: 4aem4n2m6u ----------------------------------------------------------------------------------------- !!! 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/DB438572BA615E84

http://decryptor.cc/DB438572BA615E84

Signatures

  • Sodin,Sodinokibi,REvil

    Ransomware with advanced anti-analysis and privilege escalation functionality.

  • Modifies extensions of user files 13 IoCs

    Ransomware generally changes the extension on encrypted files.

  • 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 8 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4d9bdbd879fd18f48c8ff49fe32fee262fb9e86787462a7ded18de88e6209ebb.exe
    "C:\Users\Admin\AppData\Local\Temp\4d9bdbd879fd18f48c8ff49fe32fee262fb9e86787462a7ded18de88e6209ebb.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
    • Suspicious use of WriteProcessMemory
    PID:840
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -e RwBlAHQALQBXAG0AaQBPAGIAagBlAGMAdAAgAFcAaQBuADMAMgBfAFMAaABhAGQAbwB3AGMAbwBwAHkAIAB8ACAARgBvAHIARQBhAGMAaAAtAE8AYgBqAGUAYwB0ACAAewAkAF8ALgBEAGUAbABlAHQAZQAoACkAOwB9AA==
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:672
  • C:\Windows\system32\wbem\unsecapp.exe
    C:\Windows\system32\wbem\unsecapp.exe -Embedding
    1⤵
      PID:1976
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:656

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Persistence

    Registry Run Keys / Startup Folder

    1
    T1060

    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/672-56-0x000007FEFC031000-0x000007FEFC033000-memory.dmp
      Filesize

      8KB

    • memory/672-58-0x00000000027A0000-0x00000000027A2000-memory.dmp
      Filesize

      8KB

    • memory/672-59-0x00000000027A2000-0x00000000027A4000-memory.dmp
      Filesize

      8KB

    • memory/672-60-0x00000000027A4000-0x00000000027A7000-memory.dmp
      Filesize

      12KB

    • memory/672-57-0x000007FEF3420000-0x000007FEF3F7D000-memory.dmp
      Filesize

      11.4MB

    • memory/672-61-0x00000000027AB000-0x00000000027CA000-memory.dmp
      Filesize

      124KB

    • memory/840-55-0x00000000763F1000-0x00000000763F3000-memory.dmp
      Filesize

      8KB