Analysis

  • max time kernel
    150s
  • max time network
    164s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08-04-2024 08:08

General

  • Target

    133bf8be0cf7003b83b03579970997d408a930e58ec2726715140520900c06de.exe

  • Size

    114KB

  • MD5

    77be32b91561d1ac5e36464766b7b0a7

  • SHA1

    9c72fe9c8e24b5c0bde50c71d74fb2586c4201ce

  • SHA256

    133bf8be0cf7003b83b03579970997d408a930e58ec2726715140520900c06de

  • SHA512

    c8d0d6d15322172631b184acf5df86851dff7d8f15fde9cee7d0b7e4919433ec5b096f4079b5acba78d27dcfc42bfc2bcd3f184cb0a54c13b71aeb40f8ea4152

  • SSDEEP

    1536:FApx/1k2jbVnO3c+FpR5Q9JzY02pTmZ0ICS4AtebOMZzqFTj5vel1KkK3I:ck2X8M+Fp4vY06A2roFTj5vYc

Malware Config

Extracted

Path

C:\Recovery\uvbnxhcs-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 uvbnxhcs. 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/3AB0204EED98B8A4 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/3AB0204EED98B8A4 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: zAH+/4+XWjO0doL+JdFqsEb076f6alBDT/gmRKS1O9d6jWhf3pQ4873V6K4wK8Rz LSX+jgz/R4U3A11SpTg/hqrgBJRjZ+pkuJx7bjxozyMJmJr2SR7QN/cWit89AyCO +t1ozldMTIqjaAQiqDu73w5SdZGV9qH7jCt0CuwpGm/BcdVkpTlQHlr3BaSo4As/ quObgoaBu4vHlqTIkxsiGPnuJnz/CKj1FxDURFeBCoFmno/V6XBlArEmmNs6QZZC VVYVbdt17WeSWyzdFIvVfj45P85BBEsQVyaYogd0Ppk/FZwwlOalngpLit18bcGf BSNH8eTocSdygCyUo5fVoH4aHh3bTvBEXR4XnX1953fbVxtTKgh50y9eJy5+v+3i 6puDKtSLI0oRUbFz/h+esjr3F5/JEOR6R8m8quYrZK1ItHACZi0ljuCiUMX9qk57 27OeNM9DD9KiCUAR1EaXekMTmM01K1v4fjJMb/cw5KvHjyxVbITgFFFX4onUVwBM 0LmIiCIPxpG+q4qpdragvZbcGusv4kJO3FTlxtDJ7xDgw8WOZIzIRN9exJ6ByzSO 71QsMMvm4dj0ZyaITHXb8n2f0txvnbfxzL6oO6PRb4SAKEfle4SkdpPsBhh9OzUG DiYOn4wRg8m9oB8uXn6m68/+Y4HSoooVgvo42pnN4IVXu0gCgQBz+aFzy1WcAD8h KWph3jtktCnxX5yIfZK3G5g+2Hh0wmx7fMuEe5RWKMI+vkP3ae+b/GGHBj0vtRDc 7m5CXKhz7QYvrv7FTraMCLfgQTs3+bjnf92EFJtyOTL6zA1M7f0qf/UxBGKediqX D+BryRfzyS9aBGMUQI0HYVK4vY5F42YVWfZXauMjOwN0QYrXTHdcmgLBuTlYGxS7 k5JoV+Iu5mH4ROK36azh4FjWyVxG+N15PIRpnctV9Q3ZY0vCntn+lGe6xk4w0FHO ey3juwDNA3q7lxZQ/4eoSl3bFnpzAv6G0iHh2XnG9zGo+gGUTOwc2M/iIfSol+vw mnWN16cM6iRZhfMeUFsk/hw47C/7XU7M2TbvlOdA5778fckYR5gO9UVN6duo9MCa U8F9ZbCU96w3IusUkbxzQqofuVdQIBh+7sVN/CsvmmpyFsb14l/ctduMbOx9d0fH UBlImwJjjXAkuT3JnJOPYLNwIOhTxhbMEEcl3Jq461tFcehpdDFopdA/SmKzR0ai 1NlA8IaLT073EF/DoRXWtmUYcFxSmtNv9fgxNByzC3V0I82/T4ghLijj6rHrL+8u arT4f6tddMIf1VHLASGxNHZnF9CUcsn53lgCPhhFvcpN8zgM9GXfPc5qIc7travZ oWFdwXoN27qIQJmEzCzTY1C2hm51PHM7GSg8cLlz12TXgg1g4mNccIgC ----------------------------------------------------------------------------------------- !!! 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/3AB0204EED98B8A4

http://decryptor.cc/3AB0204EED98B8A4

Signatures

  • Sodin,Sodinokibi,REvil

    Ransomware with advanced anti-analysis and privilege escalation functionality.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • 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 29 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of WriteProcessMemory 2 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\133bf8be0cf7003b83b03579970997d408a930e58ec2726715140520900c06de.exe
    "C:\Users\Admin\AppData\Local\Temp\133bf8be0cf7003b83b03579970997d408a930e58ec2726715140520900c06de.exe"
    1⤵
    • Adds Run key to start application
    • Enumerates connected drives
    • Sets desktop wallpaper using registry
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4844
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -e RwBlAHQALQBXAG0AaQBPAGIAagBlAGMAdAAgAFcAaQBuADMAMgBfAFMAaABhAGQAbwB3AGMAbwBwAHkAIAB8ACAARgBvAHIARQBhAGMAaAAtAE8AYgBqAGUAYwB0ACAAewAkAF8ALgBEAGUAbABlAHQAZQAoACkAOwB9AA==
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4200
  • C:\Windows\system32\wbem\unsecapp.exe
    C:\Windows\system32\wbem\unsecapp.exe -Embedding
    1⤵
      PID:812
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1744
    • 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=4416 --field-trial-handle=2972,i,4036376905309803364,5412922217215781933,262144 --variations-seed-version /prefetch:8
      1⤵
        PID:6012

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Recovery\uvbnxhcs-readme.txt

        Filesize

        6KB

        MD5

        e97646facf515d8ada9f0dfc45ab7d34

        SHA1

        169d078f515c8ece49556bce990e18eece968247

        SHA256

        292850e558852c1c91755ba8ed515871899ddcb88b7441ff00e836f84576944f

        SHA512

        7247a5cc2a6c1d2a33f50948178addee38eea0f09ea9f6a4455abf3c3d0d4d2c15bc1434c6f41ee36d0ea4e2e99dba6ce13e6d1c558da08d744615445340a26a

      • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_0skx2djz.zf4.ps1

        Filesize

        60B

        MD5

        d17fe0a3f47be24a6453e9ef58c94641

        SHA1

        6ab83620379fc69f80c0242105ddffd7d98d5d9d

        SHA256

        96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

        SHA512

        5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

      • memory/4200-0-0x000002B15C420000-0x000002B15C442000-memory.dmp

        Filesize

        136KB

      • memory/4200-10-0x00007FF911E80000-0x00007FF912941000-memory.dmp

        Filesize

        10.8MB

      • memory/4200-11-0x000002B15A6A0000-0x000002B15A6B0000-memory.dmp

        Filesize

        64KB

      • memory/4200-12-0x000002B15A6A0000-0x000002B15A6B0000-memory.dmp

        Filesize

        64KB

      • memory/4200-13-0x000002B15A6A0000-0x000002B15A6B0000-memory.dmp

        Filesize

        64KB

      • memory/4200-16-0x00007FF911E80000-0x00007FF912941000-memory.dmp

        Filesize

        10.8MB