Analysis

  • max time kernel
    138s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220721-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220721-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-07-2022 03:14

General

  • Target

    850b23e1ed71a675459cc210972ade5c86b1d7fc4f1c337de2a8c4d820883117.dll

  • Size

    164KB

  • MD5

    70a0ec794a640530578d147fe1f3a60f

  • SHA1

    8e393545acd5751edb42032be3e0b0e8c4eee2a4

  • SHA256

    850b23e1ed71a675459cc210972ade5c86b1d7fc4f1c337de2a8c4d820883117

  • SHA512

    2f81c8cd360d2653bf13c485ebd8e6eebfcc95bcae96e001deee310291c91877495144498c83f9efda31c6ce697d55d7ce80e98ae37e36e226bcee5aa39c73c7

Score
10/10

Malware Config

Extracted

Path

C:\o538rd-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 o538rd. 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/ACA8B3DAA0FA92EC 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/ACA8B3DAA0FA92EC 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: 7NKIUKVvIzCa1tglQ5g1tlCX+yuCe9Gc7lnoYTR5NZmMV6w/tH4M5XJJqELsXYS/ PiEWEMqAq4yzZWnKgXbECBVeSugRKFLaEmQVILXsWskBHpvFXWJY1FcCjoc8CCIJ rUhRv6c45Jcxp4+c5RjftULSt/ksU60qWpYBXb+LN+Ej0TEP415R0OPpetwMxr+O O5lOJ+iUfTvuYhd7b68GdrC1jI7FS7m1T3tI4TqKxH9RmLj2HfcihhwSF55tF8Ky L2+u4eXd1kViEZ1aLhoJ3J4gxY8RPMdGwlgajZKjCd4pxEBVMEpti5nMvFc9FhZe 7mmWlIzDIefcqEl37spOCZIBoVsKv/94T3VvH7C4x8GJ3QeQHHloRUuggW/ea+1d cr8AOGev/PYh6NZ5Aa0ClHB9Q0Emm8NdneOlX3uLz8h7SKpMQIVYTR94M5IIrdwC BczS1USFOd0K/gisLNZ7SQsQc1ZdNLe+3/sCD0t8TtO/XfpsT6U0IiUkJ4RznxiT r1izP+Yt2ldtClqhFujF7a1jdPFqVUYv816/R8W1Huj2rhsWqgG8/WLdOXgLBWL+ reKD10ONWavVsb8Nv7sG6VLgQomJD03HMxUhOk6QHzVjIQy55W6ffOew0dqT8tj/ OOGI5DZVLqFZi3EGhaBoIs0fKitLWQ/Nzuq8i8XTIu47+XfjDOgsUWsawlxi8Bsh gigYe+1quFsz7VlEFh9wydSyKowA/kmSRhAMKQawwmqjXOJSQJ7LOFiKIWJvl+JS fwhge6K05Hvr0Zk91WEQfE2PkkiKMgNj2LffxvbKoJmf0A1XYXQjdtWRufsdwi++ t/5dNjFyjKgAi7+z+YvmH7aEw8wvfuUqkmH3rsE0GhTqFnfPIIcAhk6qlIW1r9Ne J7CUnAT6JQsxoC+mJQYIDAJw51ZRPKsfMv4gg6HTHy2yhbh/f1EERrK5tJgwqftD CYFIwtKA7TRdFTGIQAOSONtqCrO54tEflQYPmLU1PqsLYhMKiZ5ZTFJpDvJFdcaa 5e/kdyv9rKXdzcfsFKjmHpNf4H4DorlA5Y93rktZxK+xjEwDxAq19fJL9QOmC+JH JlOP81tepeA2BsFBAHEjfErILQk9PAc0z6gLdLsOok3K/MM/1TIxvXcsz/sAbz9V sHUuuoRyTkH+TQ== Extension name: o538rd ----------------------------------------------------------------------------------------- !!! 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/ACA8B3DAA0FA92EC

http://decryptor.cc/ACA8B3DAA0FA92EC

Signatures

  • Sodin,Sodinokibi,REvil

    Ransomware with advanced anti-analysis and privilege escalation functionality.

  • Enumerates connected drives 3 TTPs 24 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in Program Files directory 34 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 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\850b23e1ed71a675459cc210972ade5c86b1d7fc4f1c337de2a8c4d820883117.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4228
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\850b23e1ed71a675459cc210972ade5c86b1d7fc4f1c337de2a8c4d820883117.dll,#1
      2⤵
      • Enumerates connected drives
      • Drops file in Program Files directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3372
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        powershell -e RwBlAHQALQBXAG0AaQBPAGIAagBlAGMAdAAgAFcAaQBuADMAMgBfAFMAaABhAGQAbwB3AGMAbwBwAHkAIAB8ACAARgBvAHIARQBhAGMAaAAtAE8AYgBqAGUAYwB0ACAAewAkAF8ALgBEAGUAbABlAHQAZQAoACkAOwB9AA==
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1796
  • C:\Windows\system32\wbem\unsecapp.exe
    C:\Windows\system32\wbem\unsecapp.exe -Embedding
    1⤵
      PID:2092
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1064

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Discovery

    Query Registry

    1
    T1012

    Peripheral Device Discovery

    1
    T1120

    System Information Discovery

    1
    T1082

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1796-131-0x0000000000000000-mapping.dmp
    • memory/1796-132-0x00000286B3F10000-0x00000286B3F32000-memory.dmp
      Filesize

      136KB

    • memory/1796-133-0x00007FFD7C1F0000-0x00007FFD7CCB1000-memory.dmp
      Filesize

      10.8MB

    • memory/1796-134-0x00007FFD7C1F0000-0x00007FFD7CCB1000-memory.dmp
      Filesize

      10.8MB

    • memory/3372-130-0x0000000000000000-mapping.dmp