Analysis

  • max time kernel
    150s
  • max time network
    159s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-04-2024 12:56

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\1bv85-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 1bv85. 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/C4FD35078BE964ED 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/C4FD35078BE964ED 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: UaoE3jD2R16jYk/9IqW1yaYL+XM3Y4GgD9ORuuTnHuMi/3FGC1RmAcz2GahMwcu1 DfbQ2zQ9wLUKE6OIKy7b9torhMezyUjCb53ac6Lbjmndnfp0fuDMUN5hO1pEUf44 srjHKvLa0cjAhYNNi55K49ZBe5d3D66XslGk4gsZamgbTjfcZSSBZF71weAZuyh2 OpDqnmHqrIStDla+gS2tNZ6uGbBZhyxZH2gNZL1TJ909NOzokBn4foPiy0Gkaqw3 Ezpt5wwMiV42gcDYjBi0R1eOIBYFFRkJ/ZKXCLMivHBwbIuFNiTmmALYoqDd0WIE 3sPQfq38uDW8cy/oBz/03V1pDYAU/s4/fyEqCGSwhiLky6EeKxSo2Na8FZTAtRb9 3LTOh9dlEvUhRFubABhTpJyAhatZDYMq02ADWQmlhuhRdkgXJztyS4YuFvsn3Mrr gWqmze1jVVbm0LaSdbUsrxebzKmXkZMwSMeWa99CnC8GWRRc/PrkQUrualZx1KZs JEi4H6BDMwmXdE+blP2AnF+/1lNq3g7Y9qryXX+LDIJG3/knuytW3EBch1IPoabE tS69z2qj8GmU84esqh/rlCTPAHnaKJ2/JFbt7OMz8PEsO3aCguIjcWEcF6maQz4n ++jJ28gjqmOy2PCoCml04Hqvg/YMLVGl0t0wuPwdBNxYJAQJOv3GfPQFhnIiRCFf 76rC0QZFLTKgK1vLkgybegZHDNJSWw+6ECfHuQq7Q51psq9fBj9GxsI6ozbv39mA 1urATrNQvipxCwHuGDr8mdop2odTR/ugsoLX8CI00wWT6nPvZZt+N+yU5WvNidxS fJOUJSJbxfdWURGxCc0mQ78QLt28RGTSKJkAFuq+EKqtRJdlQkH3uIDtTr/SmGoB fSFeNmMhSOA2/GNAlyCMhah8nYM0YM7JRx0T6PSybjyOyYDkat1fRYaPQ/mS6bo7 dgDiall2xBsCcv+LtQSSFx8TfARsbmg7OBYj6DnSgfFqo28ubsQKUNnSAOeq2tCF eIleX6nFfJFyrHlZqhZRzzRiZmhWl95XNqypuPsGAuU2TRiyp5DHm58R4rM07h1e ThKKIfVMEbs3BdgN6tM5SKBM7wAfxkvoDJpHYw73Gn1unbOU1VG4ycR1QQaw14zF Kc6n451g8wtnaRP9FAk1Zh8wei8y+pgOBpFAVl8eZi8CDB69Mf8qGubyBHfgLeyc eN+nXqQzWn/Rs0262UF/Hz+8m9I7EQytsODOtRBgMIkklftyI5RkrOk+X4OOnZFo qR6dALE19/n4NyW0cTEleyBpPmwPSFkOpIOm5mpL+JqffOK1bjgCdlPPvVImkft2 yeMMtLatUkv6+fGGF/RbD1AcrzCzsM9zmqtSTv6Oqzsks3OZ ----------------------------------------------------------------------------------------- !!! 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/C4FD35078BE964ED

http://decryptor.cc/C4FD35078BE964ED

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 33 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 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:940
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -e RwBlAHQALQBXAG0AaQBPAGIAagBlAGMAdAAgAFcAaQBuADMAMgBfAFMAaABhAGQAbwB3AGMAbwBwAHkAIAB8ACAARgBvAHIARQBhAGMAaAAtAE8AYgBqAGUAYwB0ACAAewAkAF8ALgBEAGUAbABlAHQAZQAoACkAOwB9AA==
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4272
  • 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=4352 --field-trial-handle=2256,i,6670388345726423024,18382795228658886258,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:4860
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:3488
    • C:\Windows\system32\wbem\unsecapp.exe
      C:\Windows\system32\wbem\unsecapp.exe -Embedding
      1⤵
        PID:1332

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Recovery\1bv85-readme.txt

        Filesize

        6KB

        MD5

        525265cbf567bb32590b19ca4b3bdce3

        SHA1

        a390c5dc4de6f647db0fd820de22230c10e72418

        SHA256

        178b155b191d44f7b3d00fa982f24659e404d205fe0c95b5a96a24883bd1b645

        SHA512

        9de172968e57eb8b77ba2c5d711a9d0dc1f2a835f3cec3c68f427cf4da5a6bbb59b11da9c759133c203e2a547d9412092faa6c024ea48b2bf194827ae2c007c8

      • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ojbk4rur.xah.ps1

        Filesize

        60B

        MD5

        d17fe0a3f47be24a6453e9ef58c94641

        SHA1

        6ab83620379fc69f80c0242105ddffd7d98d5d9d

        SHA256

        96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

        SHA512

        5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

      • memory/4272-9-0x0000025A9CA10000-0x0000025A9CA32000-memory.dmp

        Filesize

        136KB

      • memory/4272-10-0x00007FF97B5C0000-0x00007FF97C081000-memory.dmp

        Filesize

        10.8MB

      • memory/4272-11-0x0000025A9CA80000-0x0000025A9CA90000-memory.dmp

        Filesize

        64KB

      • memory/4272-12-0x0000025A9CA80000-0x0000025A9CA90000-memory.dmp

        Filesize

        64KB

      • memory/4272-15-0x00007FF97B5C0000-0x00007FF97C081000-memory.dmp

        Filesize

        10.8MB