Overview

overview

10

Static

static

10

b8b54a569f...16.exe

windows7_x64

10

b8b54a569f...16.exe

windows10_x64

10

Analysis

  • max time kernel
    122s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    24-01-2022 01:13

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General

  • Target

    b8b54a569fb9de772a995c6fa9e426791489b12f4482b2deeae28a5181e8c316.exe

  • Size

    116KB

  • MD5

    dda952538754432a74b04a1bfeee1676

  • SHA1

    29b48dfc31a9647b1ad08e306d3a3c78f780e298

  • SHA256

    b8b54a569fb9de772a995c6fa9e426791489b12f4482b2deeae28a5181e8c316

  • SHA512

    e3ffffd92f2363b9f472b685789fcc6f5a5947a852a95ba4b7530f802df927ef7ddf23c97442b66218249d55566374b5fcbc191f33fcbde1f60cdd7373b09ba4

Score
10/10
sodinokibipersistenceransomware

Malware Config

Extracted

Path

C:\zsz4tfno58-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 zsz4tfno58. 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/5A326EE62B13A5B0 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/5A326EE62B13A5B0 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: 5EzBi6OLXld8XBXAkhcoTiaanWkcdYNekJRLzu8UVSTS26eca7yazXuI2obD7dcj d3JSrCl3G6p9+fFQsRlTH+fZRAIH9di0QhqXVm0A4PMU4WkJ7YBIuo6cmtpMW4EE Mdvodgg8+ssnnc1L1E/v6cv6A4DXnTr8uvTe5/KYY6W8ASiwPkHjxIShcAyp/dZ0 QpavhVT0TXJ1rZo32oI+wbbkMkwuqk6FR86d45pLXHlOHVYcltsoNWyDSVwELUZI up+IUNfowsV3QcqiqFdjD7iN0J8V3+yI1pJn+hBo58kNnDnjstJQJMna3RXUVHNf LegNiP94N+pVMDRtS2xRz8/sSmo8UjtVokA1KkE2gq73HYo/WMocJ3viGZwZzmMJ kfQZzU1P9x2Y6xJwbG+N3X9unVH3CCDHJRqds6/CFJOlWCN02k7QPTPf+dmAaHmp 1gTrNGc2T6qPCOn40V6rAUGEETRqByGvcC21BRh1wQq0/GxgC4Ve00QIBncsz5uT kZKEea0lS/dGncnd3PkDApNql20ERBQLkDDVlxhj7ojXqaIo7hdadK58xGwDIRR5 JuGNTfplS3T4sYvM2KjobiEuGr1fxnftve2rc5jxCJDqcAJpcMAMBYlQtEpcQG1e BZIMDxciQoCCq/MEhve3ryDFocfROoTxbnip4cvEbrRa1LJnoT5CSpW3L9vTojfz 0e61P9QFwpWVQFTfiyGLlVBHZHXuiTOrpFgDCUVAxzEUdJdH6I+AjNPr2zjoNgBO XSHBwS+8Oz2I3KOmOCdzFkHFq9ee+PEf73Hpz0okDkp43I6QwppmpP+txFGfe7uo H0Fy6bjulmjMjkyxJgIqw3uzyFdq+kz05L0d/LDGh+B//CMPI88RzV2GBoA1tSUM haW+NVmt2OOCbiZZUHsZuFW5WftX9oXqsgib6xQK21SafZakYHNL95+yR9ixDVxX 8F15bxAzcM8HBGjvpff9RyqVj7ZkElHb986GIk/0rpWT/HlYAVLnYIGwjnYn0a42 +Q+u8+PvOaiKiPJwxygowom68dTvcd2w1i0x0F5cndY9vuoI25KHbTkVW4Oe8D9r yAYCeWSqcNEt6VGQOYsjzumErqXXnN5Ld1dRMzaoMoFRWvMGXQ0ZzRmfd5Zpmg/Q tGCEuTltgyTPVsUl7+nS1QnzZWshi+Bph9vIDotsm7RCRhwsEdZlYSuBiWEiLQYC ASFQ72HmZxLSzLnCxZrTQM1K5Dabzt/2Ulbul0QB7yYJzKheWpwXvlkPSL/t1aus C23VrR29Qy+km/ohz7CdQbEhvVvfm/3R9maCrWVwJdI= Extension name: zsz4tfno58 ----------------------------------------------------------------------------------------- !!! 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/5A326EE62B13A5B0

http://decryptor.cc/5A326EE62B13A5B0

Signatures

  • Sodin,Sodinokibi,REvil

    Ransomware with advanced anti-analysis and privilege escalation functionality.

    ransomwaresodinokibi
  • Modifies extensions of user files 4 IoCs

    Ransomware generally changes the extension on encrypted files.

    ransomware
  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • Enumerates connected drives 3 TTPs 25 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in System32 directory 1 IoCs
  • Sets desktop wallpaper using registry 2 TTPs 1 IoCs
    ransomware
  • Drops file in Program Files directory 18 IoCs
  • Modifies system certificate store 2 TTPs 2 IoCs
    evasionspywaretrojan
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b8b54a569fb9de772a995c6fa9e426791489b12f4482b2deeae28a5181e8c316.exe
    "C:\Users\Admin\AppData\Local\Temp\b8b54a569fb9de772a995c6fa9e426791489b12f4482b2deeae28a5181e8c316.exe"
    1⤵
    • Modifies extensions of user files
    • Adds Run key to start application
    • Enumerates connected drives
    • Drops file in System32 directory
    • Sets desktop wallpaper using registry
    • Drops file in Program Files directory
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1924
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -e RwBlAHQALQBXAG0AaQBPAGIAagBlAGMAdAAgAFcAaQBuADMAMgBfAFMAaABhAGQAbwB3AGMAbwBwAHkAIAB8ACAARgBvAHIARQBhAGMAaAAtAE8AYgBqAGUAYwB0ACAAewAkAF8ALgBEAGUAbABlAHQAZQAoACkAOwB9AA==
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:768
  • C:\Windows\system32\wbem\unsecapp.exe
    C:\Windows\system32\wbem\unsecapp.exe -Embedding
    1⤵
      PID:1820
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1616

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Initial Access

    Execution

    Persistence

    Registry Run Keys / Startup Folder

    1
    T1060

    Privilege Escalation

    Defense Evasion

    Modify Registry

    3
    T1112

    Install Root Certificate

    1
    T1130

    Credential Access

    Discovery

    Query Registry

    1
    T1012

    Peripheral Device Discovery

    1
    T1120

    System Information Discovery

    1
    T1082

    Lateral Movement

    Collection

    Exfiltration

    Command and Control

    Impact

    Defacement

    1
    T1491

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/768-55-0x000007FEFC261000-0x000007FEFC263000-memory.dmp
      Filesize

      8KB

      Download
    • memory/768-57-0x00000000026B0000-0x00000000026B2000-memory.dmp
      Filesize

      8KB

      Download
    • memory/768-58-0x00000000026B2000-0x00000000026B4000-memory.dmp
      Filesize

      8KB

      Download
    • memory/768-59-0x00000000026B4000-0x00000000026B7000-memory.dmp
      Filesize

      12KB

      Download
    • memory/768-56-0x000007FEF34E0000-0x000007FEF403D000-memory.dmp
      Filesize

      11.4MB

      Download
    • memory/768-60-0x00000000026BB000-0x00000000026DA000-memory.dmp
      Filesize

      124KB

      Download
    • memory/1924-54-0x0000000075CE1000-0x0000000075CE3000-memory.dmp
      Filesize

      8KB

      Download