Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    12-02-2021 21:18

General

  • Target

    d2ea89e73804efccefceaa193c80ef4a8454f7db638c0d3502530652a8a430e9.bin.dll

  • Size

    118KB

  • MD5

    c9b3946c7408aac0c307aabb90881908

  • SHA1

    bed3433d677c3ceddab2a7c927cfc3cf336dc172

  • SHA256

    d2ea89e73804efccefceaa193c80ef4a8454f7db638c0d3502530652a8a430e9

  • SHA512

    5f839954c71d350bf13610933875459bda9d955c7b9d2828ddc28668a60b7625db94131a04ce1b567a2bf98b96703ac038f6ed0364cf415abc0b880b7e13c9d3

Score
10/10

Malware Config

Extracted

Path

C:\4z5x872y-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 4z5x872y. 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/214D9B37DEF128DC 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/214D9B37DEF128DC 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: bknZDYV+a84AD8DxZr5fZwAJuGUYDYKBC7ng9hoyxFCPxMCyoAhBs+ZnFZUCOz1s uGB+pBziK2jwZ4tiK6zfhSZPyvcJlQhyxLMcg43Yh7IRU68H1ySHc6n/1GKaMip1 hnDMxgb0wP/09hIF9nyl911z2Ax+X8YhFI0PZXNLprR2y++wIMLvzINTjDBiF1kd Fi2u4A5HMPAuHlFAjpLbRK5w8Q4v+wKqgAU+HQE4qvQhBzr8TTAKwUVBQBd4Wbbi DIA2WMIXdrmAjJR043fPSCqZyvb/77VEgDBFFnDo6fUneTryubgijHbC7bXWqa8R VS8UYoWrHaYZdNE05BGtqacfu9RMJhA8pXn5HfZEpRWn8U5HaJS5yjeUtpqXATaZ pAsFLH7F+346tSR0RUuR+QG3dzU+y7wJhwsHn6Uhqu0M55TNOkazH4E5eiQzvfbG tfQCnoZlJCZMAFR8vYAUwzJzJLPNBgl/ceUNLSNjHoZn8NdqCq4i7Pf4OeRfX5UF b5GDw+o27162q/wv8dg7ttrju34aQrpv+Zw1+/ToDeiIUwU7aoXCVdw4G+3ooXP/ Yjtrho3/qOVsMcpdAOuRU9IrwQyGfKV4PiEjqDJXPhOmCSQqObmrFpeBng0FsB9X JJQgSkqajIRw+Xr0QoqhlTCPmyJT7t5i0zc67eb1+ZfK5dJGkuBYeQ5OlKoVppbW q5aNa7dlRSh4d6TgXicj6xXstRgbElXQMOdh4nkGliiE05tP6yx+wepjb2ZxMolC 6ZCA5hsNRfz0iO+mETV4LuHh+xRV9SrZxRw5EtxFfrHwon9QucHLq8TIbes4hzGC rHpqyUZQKeZ469x3FLLWY1eft9JMPGaR2oCiSYIcFpIxu6672T8CStWnrkjJ9GIY V5r+pXmnCFGa5ehfaoytelQF9oz6dZGg0SmDd6XtsDK1tp/iipVT/4cql+wrF1K2 QG9yGmAxLPWsWbB6pz32SIQYhTV+p1xmsL3LVSTVlBK1/hmpdU/mxvtufhcxev7B MfZdaThBQCh2ZqQR45Eg6sywxDn6OWchWd2tXw4AEZhji92uXF6VNAqBCiuV+uTM /GCW1srCjlpHriyvcnBrFveXYqpYu1pppaGhOBrdOlz1MOXN28ZD1Xletrlhs7wJ pZ7PyigFIj2QYvd+TgxTAXmFYpw9+GltZrN1xIjolkiuJfjGrayVfRXZifQ5gddm XySd9pZGnk8lBD2JJTTuyjFRiHd55WtA9iBG7goDZIB4SyXd/+iG+7MANbF9aeld Q63MjlrnJksP6UUPaLC5ztNrfkI= Extension name: 4z5x872y ----------------------------------------------------------------------------------------- !!! 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/214D9B37DEF128DC

http://decoder.re/214D9B37DEF128DC

Signatures

  • Sodin,Sodinokibi,REvil

    Ransomware with advanced anti-analysis and privilege escalation functionality.

  • Modifies extensions of user files 4 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.

  • Sets desktop wallpaper using registry 2 TTPs 1 IoCs
  • Drops file in Program Files directory 12 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\d2ea89e73804efccefceaa193c80ef4a8454f7db638c0d3502530652a8a430e9.bin.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1924
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\d2ea89e73804efccefceaa193c80ef4a8454f7db638c0d3502530652a8a430e9.bin.dll
      2⤵
      • Modifies extensions of user files
      • Enumerates connected drives
      • Sets desktop wallpaper using registry
      • Drops file in Program Files directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1460
  • C:\Windows\system32\wbem\unsecapp.exe
    C:\Windows\system32\wbem\unsecapp.exe -Embedding
    1⤵
      PID:4028
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2904

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • memory/1460-2-0x0000000000000000-mapping.dmp