Overview

overview

10

Static

static

5ae06a8d11...a6.ps1

windows7_x64

8

5ae06a8d11...a6.ps1

windows10-2004_x64

10

Analysis

  • max time kernel
    161s
  • max time network
    175s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    01-02-2022 01:30

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General

  • Target

    5ae06a8d117e876476832245039715825fbfbefc0d2463ab6c30295dd1d4afa6.ps1

  • Size

    911KB

  • MD5

    0d890fc8e761b764ba3a04af07197e20

  • SHA1

    21c0ed7abaafbfd14c777aa370f397e4351654a6

  • SHA256

    5ae06a8d117e876476832245039715825fbfbefc0d2463ab6c30295dd1d4afa6

  • SHA512

    87416be9fb11ef9d9eacc9df822e0f31f7d6908688972cabe9824599c34420c1e8cae2d7eca278dbba2acb4341761db810504d414438aa5c4631950bb1afcd64

Score
10/10
netwalkerransomware

Malware Config

Extracted

Path

C:\odt\9FE4BF-Readme.txt

Family

netwalker

Ransom Note
Hi! Your files are encrypted. All encrypted files for this computer has extension: .9fe4bf -- If for some reason you read this text before the encryption ended, this can be understood by the fact that the computer slows down, and your heart rate has increased due to the ability to turn it off, then we recommend that you move away from the computer and accept that you have been compromised. Rebooting/shutdown will cause you to lose files without the possibility of recovery. -- Our encryption algorithms are very strong and your files are very well protected, the only way to get your files back is to cooperate with us and get the decrypter program. Do not try to recover your files without a decrypter program, you may damage them and then they will be impossible to recover. For us this is just business and to prove to you our seriousness, we will decrypt you one file for free. Just open our website, upload the encrypted file and get the decrypted file for free. Additionally, your data may have been stolen and if you do not cooperate with us, it will become publicly available on our blog. -- Steps to get access on our website: 1.Download and install tor-browser: https://torproject.org/ 2.Open our website: pb36hu4spl6cyjdfhing7h3pw6dhpk32ifemawkujj4gp33ejzdq3did.onion If the website is not available, open another one: rnfdsgm6wb6j6su5txkekw4u4y47kp2eatvu7d6xhyn5cs4lt4pdrqqd.onion 3.Put your personal code in the input form: {code_9fe4bf: xPoXwoNjJWr8Z0QD2p/EC/WxWZbJ8NzgCN+ff/ahV6K0c+CKwB Dn3fnhgtbVbHqnSyex8YKMmfy376su5DrYe2HS31xuIAkvCarr ss1hPNuCOSV+WGbsdCk3RBeOboN428/j9AHl7QqXZYKHHoLmrO gpP4RrHK/2+hxQMpwNe0PCiDIM+AhUVgpjecN+ouKyTYi4d8LR ZycHUU1UzeSaFqmUhJvaJoZt2S4Xzekazl08rLXQvA9JB7xfgR zJLZrwaS5PesbOMJ0ZhFM6SddTxFL913ZMMILIUQ==}
URLs

http://pb36hu4spl6cyjdfhing7h3pw6dhpk32ifemawkujj4gp33ejzdq3did.onion

http://rnfdsgm6wb6j6su5txkekw4u4y47kp2eatvu7d6xhyn5cs4lt4pdrqqd.onion

Signatures

  • Netwalker Ransomware

    Ransomware family with multiple versions. Also known as MailTo.

    ransomwarenetwalker
  • Drops file in Program Files directory 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:2384
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\5ae06a8d117e876476832245039715825fbfbefc0d2463ab6c30295dd1d4afa6.ps1
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3984
      • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe
        "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\jqc0ba4f\jqc0ba4f.cmdline"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3456
        • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe
          C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RES5DF7.tmp" "c:\Users\Admin\AppData\Local\Temp\jqc0ba4f\CSC6344AD5BF4745138619FB31F79C5BB.TMP"
          4⤵
            PID:2520
        • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe
          "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\rk4z1bjv\rk4z1bjv.cmdline"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2820
          • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe
            C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RES7651.tmp" "c:\Users\Admin\AppData\Local\Temp\rk4z1bjv\CSC50DA9202EEC043B780E15407C32EA42.TMP"
            4⤵
              PID:1812
      • C:\Windows\system32\vssvc.exe
        C:\Windows\system32\vssvc.exe
        1⤵
          PID:7720

        Network

        MITRE ATT&CK Matrix

        Replay Monitor

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        Downloads

        • memory/2384-153-0x00000000027B0000-0x00000000027D2000-memory.dmp

          Filesize

          136KB

          Download

        • memory/3984-139-0x00000198C3D56000-0x00000198C3D58000-memory.dmp

          Filesize

          8KB

          Download

        • memory/3984-134-0x00000198C3D50000-0x00000198C3D52000-memory.dmp

          Filesize

          8KB

          Download

        • memory/3984-135-0x00000198C3D53000-0x00000198C3D55000-memory.dmp

          Filesize

          8KB

          Download

        • memory/3984-136-0x00000198C3CA0000-0x00000198C3CC2000-memory.dmp

          Filesize

          136KB

          Download

        • memory/3984-152-0x00000198C3D58000-0x00000198C3D59000-memory.dmp

          Filesize

          4KB

          Download