Overview

overview

10

Static

static

03dd22c542...e8.ps1

windows7_x64

8

03dd22c542...e8.ps1

windows10-2004_x64

10

Analysis

  • max time kernel
    174s
  • max time network
    142s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    01-02-2022 01:37

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General

  • Target

    03dd22c542d2555bf0650df2434079d314e5d311762d778b612f03327b2058e8.ps1

  • Size

    5.1MB

  • MD5

    ee48f5cc6e8e953361db80dcf1c30445

  • SHA1

    c400de9be89e17b57532ec003e404941f95e358b

  • SHA256

    03dd22c542d2555bf0650df2434079d314e5d311762d778b612f03327b2058e8

  • SHA512

    47bc33530d37dfcca2169257afe4a743823dec4d096373063f6279f3989af08759b43f83c567a13f5658ac58c9d924a26439dffb8cec63130190324741dc68fe

Score
10/10
netwalkerransomware

Malware Config

Extracted

Path

C:\1D1F10-Readme.txt

Family

netwalker

Ransom Note
Hi! Your files are encrypted by Netwalker. All encrypted files for this computer has extension: .1d1f10 -- 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. -- 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_1d1f10: NgCqJ6TaoQwlbp0Huf93Wxki/Y7+LaAC5FwYTP7o2bZflSIrYe 8UR7j940wESC0dIhe6+uFk3patunSfJpyk1waL4PQKpCpfhq4K /iulCeM4M3FpMQqGSbNCBgGseJFwOrWsZsHYv76PdRZdIxUvwU 0rwv+3wp55GVtKA2p4wToPXOEg/rXEOoMOn+cV5Bz+2N9U0xpz CUEGp1W9PHzwjXJb31AXengashM7DE130bApIYky7cdv61Go/J 9dv0byYK1V90rl9yYGFFSaJEyogn0VX+SILnl90w==}
URLs

http://pb36hu4spl6cyjdfhing7h3pw6dhpk32ifemawkujj4gp33ejzdq3did.onion

http://rnfdsgm6wb6j6su5txkekw4u4y47kp2eatvu7d6xhyn5cs4lt4pdrqqd.onion

Signatures

  • Netwalker Ransomware

    Ransomware family with multiple versions. Also known as MailTo.

    ransomwarenetwalker
  • Modifies extensions of user files 2 IoCs

    Ransomware generally changes the extension on encrypted files.

    ransomware
  • Drops file in Program Files directory 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 45 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Modifies extensions of user files
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:2496
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\03dd22c542d2555bf0650df2434079d314e5d311762d778b612f03327b2058e8.ps1
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:872
      • 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\wdom5imk\wdom5imk.cmdline"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2460
        • 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\RESBE23.tmp" "c:\Users\Admin\AppData\Local\Temp\wdom5imk\CSCB6A16AA8D46547CF89F24F203E14ADDF.TMP"
          4⤵
            PID:2244
        • 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\xag05t3m\xag05t3m.cmdline"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:3032
          • 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\RESC95E.tmp" "c:\Users\Admin\AppData\Local\Temp\xag05t3m\CSC1B48D02537E948D9A48F3C49B431E373.TMP"
            4⤵
              PID:4068
      • C:\Windows\system32\vssvc.exe
        C:\Windows\system32\vssvc.exe
        1⤵
          PID:5472

        Network

        MITRE ATT&CK Matrix

        Replay Monitor

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        Downloads

        • memory/872-139-0x000002181EA86000-0x000002181EA88000-memory.dmp

          Filesize

          8KB

          Download

        • memory/872-134-0x000002181EA80000-0x000002181EA82000-memory.dmp

          Filesize

          8KB

          Download

        • memory/872-135-0x000002181EA83000-0x000002181EA85000-memory.dmp

          Filesize

          8KB

          Download

        • memory/872-136-0x000002181F610000-0x000002181F632000-memory.dmp

          Filesize

          136KB

          Download

        • memory/872-151-0x000002181EA88000-0x000002181EA89000-memory.dmp

          Filesize

          4KB

          Download

        • memory/2496-152-0x0000000003400000-0x000000000341B000-memory.dmp

          Filesize

          108KB

          Download