Resubmissions

07-08-2024 18:16

240807-wwjlqs1hjm 10

07-08-2024 18:14

240807-wvf48a1grn 10

28-05-2024 08:02

240528-jxc45abh5s 10

Analysis

  • max time kernel
    133s
  • max time network
    103s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-05-2024 08:02

General

  • Target

    7c421ca94c441a4b74d364f952f8739c_JaffaCakes118.dll

  • Size

    166KB

  • MD5

    7c421ca94c441a4b74d364f952f8739c

  • SHA1

    e5de78ae8db1aa78e00c1fa1eb5687cd1519843c

  • SHA256

    7afc7a311740da58cb0b7d6c43e28b1ddb6fce9c67614e74902e552b330287b0

  • SHA512

    0eb45486ab306562c267eba5eae7f1b8d6d551b83603d136865c2e1c7c90abb0067effc4a358649846dc89ef37ad9ff266922223f318a631d3f457792f1df4d2

  • SSDEEP

    3072:JLFrb30BRtBZZg+i2ayyYOCWGPyLydrkxMT3QDhqtUczTajkz+XHUU:NJ0BXScFyfC3Hd4ygV6oPHU

Score
10/10

Malware Config

Extracted

Path

C:\Users\850k23e-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 850k23e. 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/E1C97B2D065B3717 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/E1C97B2D065B3717 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: lfwtmkqwsgXlI95CFgCOilZnIR4VGGE6Vs1bFpRPjPRmxrwQzFfcDQ1IVeUrPhfu nVNjrV4vgZ0T4mSX/qi+Dg6BdebL/CegOx7P4d9WCwhpboUu7YRxemxeiE9m8RrV KK3XPNnC9qXfvVo0MXQtnMLChTKFBSuHi99gT59B+M9Ht5rhiyyZMszi+znTVjFI NdOj/URua4OIltS04f+CuYCd7aDa/9XLRzPGuI58hRetbo2bJ4Q/jWf6l7sG3PSU 21UQUXZrJ/PFke0PC46+uKqRQEbghG7uio0/i6tBurK9eQvAJ9tliBgh/lPmGSzf vhIxZyT9YdAtdb08f+tRegoYpb72GGa3G9yvHEunLAbh9cLp+7zOs2YZZbrQO2Du LbV/XCx5FOFNngM3pTdDlaBgi/Q1Sg0ANvjrN6UNqOA54mEf+n6Z3vgdhEfqIzGe wUyif4Q3lCF1X12XeuaAs7JIcrFMpwVLG+sgJ8EdbZj9Hz8fvcWqzYlY7lTXsrjF U5z3zMGixWUoyEP4n3pjFpl8scdnIWBuKVKl3pEfDgwP/oZcmBNl3tlSbNXIH/q3 gxCjx86/V1BkBVbTLpYBzMoIpw6FVZ6j2aShWuSrhfIoFBQPBeZed97ITad+YFCN 1O4/WJEG4GqEQHZ4H5tCfgLTLcylQJvqagHTwWLVhwgjHH5ekJmAtQJHhp9D476i Xn+m3DBXWakRxDFpN8x8EjFcXW1tuUbMXsEhL2r9Xla97vhTi6DuDCFhEqhTaXZ6 rMQOKnQ7SJh/ZNLQl8e1KYHemBG+ADHYBvLxkcHW5m4ODCdmuvHjx74hJtqmASX5 HQ0Sta1Ub4ldoeJg52j3k5jttXq2qLxtPaPQgreWQpUyKUMip0Kzg89OojLP7r3b fTaxBm0u5nvaR0lEGnMJnCrGXn17clOUmivDWVg96T2NORZKAComaf9QXGs0wm/u xifiV9lVrbdC2qukucjDaDlsIY8cOEKK+whuAbHm3/QlQDK3Hotm8xLjR88lClP/ j3r/DVB2UnB3vkKv0aCnsXBp58/kfI6bcX6gThCeRZjxwkhkGkvO6eBDyXHFO720 4fOUfcCCh44r4BmYq4sgSSmgKDgAv8oHTF31Gqe5gxLT08UHAj2rgH67/5PcDVEZ T86NVBfJBBjImhy9qeTy0iCMhp/GAmQDA9DhMkGd6GBFn9W1u8CA3hqS0v1nH1f8 zG1ac8h0RYWAb5oMqksKAJ6htxCMLg+iEaMdLH9za4DMloPs+FTbbj1D7jEQfSYy 3Fs7eipHTFlARXhkg7B6lkfUZwUslaijXzWTt71IYJooghoBnH83X8KXjCcRzzu1 Ef35+0dnJo391uBhWqv6H5QgkQ9ee/C0/XDL6Xfo4rMnGT0X5PbHnQ== ----------------------------------------------------------------------------------------- !!! 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/E1C97B2D065B3717

http://decryptor.cc/E1C97B2D065B3717

Signatures

  • Sodin,Sodinokibi,REvil

    Ransomware with advanced anti-analysis and privilege escalation functionality.

  • 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 Program Files directory 17 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs
  • Uses Volume Shadow Copy service COM API

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

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\7c421ca94c441a4b74d364f952f8739c_JaffaCakes118.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4564
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\7c421ca94c441a4b74d364f952f8739c_JaffaCakes118.dll,#1
      2⤵
      • Enumerates connected drives
      • Drops file in Program Files directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1124
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        powershell -e RwBlAHQALQBXAG0AaQBPAGIAagBlAGMAdAAgAFcAaQBuADMAMgBfAFMAaABhAGQAbwB3AGMAbwBwAHkAIAB8ACAARgBvAHIARQBhAGMAaAAtAE8AYgBqAGUAYwB0ACAAewAkAF8ALgBEAGUAbABlAHQAZQAoACkAOwB9AA==
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1900
  • C:\Windows\system32\wbem\unsecapp.exe
    C:\Windows\system32\wbem\unsecapp.exe -Embedding
    1⤵
      PID:412
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:4536

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\850k23e-readme.txt

      Filesize

      6KB

      MD5

      7eddc5fe30e6dad332daa74a3a2e60a6

      SHA1

      579568f2fc33a24d240e77406ed31f0e46f06394

      SHA256

      be4b39a704afcf40ddd154510aa87b357f40191b9ff6992b17dc2a608c39eff1

      SHA512

      1459bf69561f34b9ecebfca73aeede8a6075f9e33a05172a7ffc988d74cc49f89499c39b38c96d655fc45fefdc02fb8210751966894f33adffed60df01037868

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_4y04fg1g.w25.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • memory/1900-0-0x00007FFAD9193000-0x00007FFAD9195000-memory.dmp

      Filesize

      8KB

    • memory/1900-1-0x0000025A21630000-0x0000025A21652000-memory.dmp

      Filesize

      136KB

    • memory/1900-11-0x00007FFAD9190000-0x00007FFAD9C51000-memory.dmp

      Filesize

      10.8MB

    • memory/1900-12-0x00007FFAD9190000-0x00007FFAD9C51000-memory.dmp

      Filesize

      10.8MB

    • memory/1900-15-0x00007FFAD9190000-0x00007FFAD9C51000-memory.dmp

      Filesize

      10.8MB