Analysis

  • max time kernel
    143s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/03/2024, 21:43

General

  • Target
    2024-03-29_9ef9a8497761db7ffb2d35c150a376e1_revil.exe
  • Size 118KB
  • Sample240329-1k2qdsbc45
  • SHA256 07f13ae44f7dfe796d27023a327d5f3e8c615ba9c897faa35d21c77eedc32f55
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Path
  • C:\Recovery\WindowsRE\3pc92-readme.txt

  • sodinokibi

Ransom Note
  • ---=== Welcome BrightKey Inc. ===--- [+] Whats Happen? [+] Your files are encrypted, and currently unavailable. You can check it: all files on your system has extension 3pc92. 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/AAEC3C51F8184C8D 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/AAEC3C51F8184C8D 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: i0gQR8QhQhNhNStGfr5/l96m2yOB7h5+PFVj8IBZL8TIFh1/5DTM1unmyHb3XhuJ 0IWBWDTXDL5E0rb7ingJ5b8Y7nNMIsBIpFCrlY9083BhOkCWgJeVS2307l3XUbF9 xqmW1MQ4qgyxuiNe5HXEvxmVpuOt2O3uDyTEA0IybXOeVJiUZuAk5ABG+sCarch8 C2a8zTnCwwEjDoTR5clZcjwui5/RKmMKYanwd2+Riqp19CQd1XBRDXvaHcLY0j0Y NHfpQk8XWfA2g2X0ObUcuwuxe3IMBoBWQcvE4syGBPuj9cnGleJHp4kOzsn+4ICZ Vw8f8C1nApdUwVqOZi8YXT1IzSpDq2W9cyKefYPr8VN7rLK1rp2CrmP2CusMhykU 3hi9iWLB21jOXklRaP9uZsSV8841n64SqAlW7pLquY2TDvTJty0i0MYSLlAF0PFS J3Kj8xYbUxSDxaLBMWKRpZQV7nFE0lxx/tvImpLzd/lYaodmTlYjEtRyBtbTPlHq BDGOT83MNNoHaLTc5uOTeLHzPWazJ2k+n65xjjEDcyha/U1AsZ2P4JpNMX2ZK8/J MgHqh8AiMWlGCILIFp/KrKh9dmvJjF1oZktml3VmiMqac72t7sf+oAaqmpfRAIsk IrPLLeuh1BtrFTQd28rtIGyC+Mvk+D+jlJdNF4/CniQNRANMR6gwMN8MIxKFJGAA v0tz3iL6QducJzoCJ2ea3BgLkg2RtTDlVgeYwayMNAZMo6kqefwki1B1erDV6ySO rKKLK4kAIP0AbULS037hWMoK41urYig4QRsvsRY16P9+f6Go8tiLpLnUqXtQOTcW EiZXDfESsXNaGZ0G/oeAMErxVVP5NSunTPg4XBXg3NU1D3PWDvcmkIH33YTKIv+i Toigoix29eFexf+dC4ltxfNzl+gIodRd2T8fH1UeSmF3n3KT9+u7zZCTKNdFM8Ax 2CXshNaNkJOXYT7RULH2SbDCQwQ3HZA2R2zZwmA3gDQYbF3bI7kSIU8c2jdhGtVu qUWzNSXQ9A1v98xoYZXYVGIdvDJ4uzh8AxCYudey4cLrU8CVGfaP+yy4I5LmLcon VgQhO8wgPHiQJZPiVlT1gphSFBaJHpqM9RXQL80VzIgY1R+kqE8UHUM6VKTBEn8c f9B0tYZQSDaMEtB4gdtj45H8ovNeVll8Ktn1Zw0J4TxslC6ofIyFpiZTG/m1ag3K yEI+8w4kmvXzlvxAqid9b/cVJyUox0EOrxRzOTXRJoEXmBVfH0xBmdaDEWy92KNt 2FDJzwG5QEQdtBeCB6XnEzwnc/spF+RDNaRfnw1Ks65tDN6d8yO1qIZvu9jNG3Qe /jZHULPrIRLLKBysGhp0P3gvSodRzVef7dBUtZX/aJZgq5/T ----------------------------------------------------------------------------------------- !!! 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/AAEC3C51F8184C8D

  • http://decryptor.cc/AAEC3C51F8184C8D

Signatures

  • Sodin,Sodinokibi,REvil

    Ransomware with advanced anti-analysis and privilege escalation functionality.

  • Reads user/profile data of web browsers 2 TTPs

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

  • 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 17 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 37 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-03-29_9ef9a8497761db7ffb2d35c150a376e1_revil.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-03-29_9ef9a8497761db7ffb2d35c150a376e1_revil.exe"
    1⤵
    • Enumerates connected drives
    • Sets desktop wallpaper using registry
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:4592
  • C:\Windows\system32\wbem\unsecapp.exe
    C:\Windows\system32\wbem\unsecapp.exe -Embedding
    1⤵
      PID:1180
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2588
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4248 --field-trial-handle=2656,i,16940681401824032220,151921362336696246,262144 --variations-seed-version /prefetch:8
      1⤵
        PID:4060

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            3pc92-readme.txt

            • Path C:\Recovery\WindowsRE\3pc92-readme.txt
            • Size 6KB
            • SHA256 44e67b84855efe5022ff098ea92c28f5633a2009294f8cf9fe35b7acb549fac9
            • MD5 SHA1 SHA512 SSDEEP