Analysis

  • max time kernel
    147s
  • max time network
    179s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    24-01-2022 01:06

General

  • Target

    c5bd0062b81f15f92a9c96740af433d5656271ecef6f5a355bea2ab392974c97.exe

  • Size

    160KB

  • MD5

    4a02e6da82282ffd3989faccf3998074

  • SHA1

    a35e676b41a0870b0426eae4fcf7461842d6a4d1

  • SHA256

    c5bd0062b81f15f92a9c96740af433d5656271ecef6f5a355bea2ab392974c97

  • SHA512

    6d28e6bfd39d90b7c2d602941b820fe6f65f227b6a53fcc89fee82b60e5aca572c59e32f56ac7770b7fe135db3ad085499e2505f31405bb6d9b120485ca439b9

Score
10/10

Malware Config

Extracted

Path

C:\xa6c4m2u-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 xa6c4m2u. 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/43D1BDFC2AF0272E 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.top/43D1BDFC2AF0272E 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: w10oWtpqgOLEgmoBtaHz9KwQ4Kcn75tTBQYzy6SRyOamxwC+CrY41IXmpkPDu9BO Ft23fsAJYHEyy365xhLCzGUde0L9fBw5xDAhpxWH+bUC7jx4nEDfxCfhXeCuKwwJ ziirANeiyZQRdHOd0gSKxfG8tNZJSFBRywnryClx87y+bSPQeQcMUoWY4sjjCX5L dPSvZw36qttOYwAZWDn5ly1TZ0988BCclMj0Ptlf8aUj2PTtXRmtEOWQrLEVDJKn hWXXj3cFy0MGRVU/lawK05JWsSisDGgG8YYhdEp+SnjSPUMs7nAv6xJh9tMkX/Vs mgFd4UFvFsHUZd23+ILUHIjOj4yonJ0fOWLlMCObUDtZzrE56ijkYwZi0sLEdLr1 kDZF8J+LRftFATHyTfm+H9LzDdoN0iQdLC0TyTa/wH8HJeXQW8i4hv+G44s0BBev 10AzjTIuPC4sLWuHM4W5N2lzxgpb42Jm1jUd7WVRPlbu0JnmwurMPru8OiyhzWIu XulKGxuJP4gSysbWUFnAZo21vjs+DfRyg1zOD8eguFL6eArzwh7TIkX6T8x/SezA yCxEypRJymC55UiHlJrlz4n+0+SrGVNEiDzpV52lPFgyIlQ8JgXxgyxJWJAumch5 Fv+PGLcZGrlnROZu4tKJvVEl7+o+Csy5L+7D1daJR2odKTL3/6La93nuWhQ9CsEq FoTZc8fS3d2IVUIyRbxhf6sBlZsE7F5McPY9IWQIuX/sAXoNdNMPLpY39yJqkQlR fz6tvB2GjhMpQsfTHc5Ft6f+aaSIGscBWOsB0k8xCSWvgr8auNCjZu+PMYPWqYCa zuvOxNObBFt+pv/arUeGuW+qTJTzOA/0liJ9GF/DS6WznFhizoLO433z4tx34ilE OuVH12+MjrpGxRE9RqjXgZIsqISq7b75p2Z4uN8MRmV4hFDBZo3bNQ0TmyNEQgl9 tcle2QsYc4quxoOZ7xfxsx/sZvVI7gTvQZdVhErpFc+tFFMKCj1iPfSCQyc4GyZd l/Yi0exIYjAsOmgo0VhC9qX8XldVheja0LmcW3TXRQbHiLRVL1Q32rfsVvhSZyFj wWBOKLTtTVkMMBgW4o0x/VwZ5LzYEPFQ9r04aVt4I24DgjmNMKoNUjp3kSOUiDhB VIRjKA== Extension name: xa6c4m2u ----------------------------------------------------------------------------------------- !!! 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/43D1BDFC2AF0272E

http://decryptor.top/43D1BDFC2AF0272E

Signatures

  • Sodin,Sodinokibi,REvil

    Ransomware with advanced anti-analysis and privilege escalation functionality.

  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

  • Modifies extensions of user files 2 IoCs

    Ransomware generally changes the extension on encrypted files.

  • Enumerates connected drives 3 TTPs 24 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 35 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Interacts with shadow copies 2 TTPs 1 IoCs

    Shadow copies are often targeted by ransomware to inhibit system recovery.

  • Modifies system certificate store 2 TTPs 8 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c5bd0062b81f15f92a9c96740af433d5656271ecef6f5a355bea2ab392974c97.exe
    "C:\Users\Admin\AppData\Local\Temp\c5bd0062b81f15f92a9c96740af433d5656271ecef6f5a355bea2ab392974c97.exe"
    1⤵
    • 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 WriteProcessMemory
    PID:1876
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c vssadmin.exe Delete Shadows /All /Quiet & bcdedit /set {default} recoveryenabled No & bcdedit /set {default} bootstatuspolicy ignoreallfailures
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1204
      • C:\Windows\SysWOW64\vssadmin.exe
        vssadmin.exe Delete Shadows /All /Quiet
        3⤵
        • Interacts with shadow copies
        PID:1228
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1552

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1876-54-0x0000000076121000-0x0000000076123000-memory.dmp

    Filesize

    8KB