Overview

overview

10

Static

static

10

fd3489f606...13.exe

windows7_x64

10

fd3489f606...13.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    111s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    29-06-2022 18:31

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General

  • Target

    fd3489f6067ef7ca3999776205839424cb7349134baaeb693abcecaa2c5bf913.exe

  • Size

    69KB

  • MD5

    fcedea8111abbb61e40fa5ed486fd434

  • SHA1

    1d837e6ece7ff326fcbeff7994744f7bd5434d99

  • SHA256

    fd3489f6067ef7ca3999776205839424cb7349134baaeb693abcecaa2c5bf913

  • SHA512

    7d8383b371c3206624fffd844c1af52f5cb0f3b327b06bbe6f657485ba4e70d6390865fc5febaf60eafd9e63cc41c12d0f4e5e99c07951ce0886916b47f123b1

Score
10/10
netwalkerransomwarespywarestealer

Malware Config

Extracted

Path

C:\Users\Admin\Desktop\EDB97D-Readme.txt

Family

netwalker

Ransom Note
Hi! Your files are encrypted by Netwalker. All encrypted files for this computer has extension: .edb97d -- 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_edb97d: StgpTAw2YLa9dFonqgxPP6DrjZBEr3phh09QE2iEs7YXZ4+CbW 7zVE2rWAYSiplPJqXyMsFIjVkCCjrIgrm9Krspss0YR2xyweWl e3Hu1WWeVFRg8Z1UF8ELykTb6L/5um8TcjetF7PsfWiISLtRH8 mqMhk/WxzDZCmaCHPG22wXcZj/0/TcOOAA8ZXXJnROgPDJtgq9 HC48erULGgBD+Q8lXm8KGczoBdncAQsgaZ6yFszO/hENc1vEld Oya96/bz5+M7H8Zu9SAzgT9SPychMceaiA0N7nTg==}
URLs

http://pb36hu4spl6cyjdfhing7h3pw6dhpk32ifemawkujj4gp33ejzdq3did.onion

http://rnfdsgm6wb6j6su5txkekw4u4y47kp2eatvu7d6xhyn5cs4lt4pdrqqd.onion

Signatures

  • Netwalker Ransomware

    Ransomware family with multiple versions. Also known as MailTo.

    ransomwarenetwalker
  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

    ransomware
  • Modifies extensions of user files 2 IoCs

    Ransomware generally changes the extension on encrypted files.

    ransomware
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

    spywarestealer
  • Drops file in Program Files directory 64 IoCs
  • Interacts with shadow copies 2 TTPs 1 IoCs

    Shadow copies are often targeted by ransomware to inhibit system recovery.

    ransomware
  • Kills process with taskkill 1 IoCs
    evasion
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fd3489f6067ef7ca3999776205839424cb7349134baaeb693abcecaa2c5bf913.exe
    "C:\Users\Admin\AppData\Local\Temp\fd3489f6067ef7ca3999776205839424cb7349134baaeb693abcecaa2c5bf913.exe"
    1⤵
    • Modifies extensions of user files
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4888
    • C:\Windows\system32\vssadmin.exe
      C:\Windows\system32\vssadmin.exe delete shadows /all /quiet
      2⤵
      • Interacts with shadow copies
      PID:400
    • C:\Windows\SysWOW64\notepad.exe
      C:\Windows\system32\notepad.exe "C:\Users\Admin\Desktop\EDB97D-Readme.txt"
      2⤵
        PID:2316
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\8D4C.tmp.bat"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1448
        • C:\Windows\SysWOW64\taskkill.exe
          taskkill /F /PID 4888
          3⤵
          • Kills process with taskkill
          • Suspicious use of AdjustPrivilegeToken
          PID:4432
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1548

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\8D4C.tmp.bat
      Filesize

      141B

      MD5

      71076c5419f04af598895c4e51eb66b8

      SHA1

      b74a88e558bfac0594bbad139dcf134f132f3a80

      SHA256

      eafb8f90aea8066548ee5ddc7faf5265ec180cbbc384767c333231eb22d78c5b

      SHA512

      2e1ae275b2447ee6039af36f25c203506ec0223fa8401882506027181c2506f1db52c9b4b86c5af84cb27ea151f0faed6387b8a8837c53f84a02353482b72ae8

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    • C:\Users\Admin\Desktop\EDB97D-Readme.txt
      Filesize

      1KB

      MD5

      9e0ebfb3af76bcc172bee14877baedd1

      SHA1

      75419d1879d46a58f71883392577cc423faa205d

      SHA256

      4fd9ba0f12465f57770fff003c7c6e47ff2d0bdc21dee2d70f6534cabca1e587

      SHA512

      3d69db58644f0b146d8b099353e2a20cf611c403b8e519d228aa0aa027bd16c5ded909190fd26f24cf276a564cd1105ae2c2f9189e3f51b56caaafefd9531068

      Download Submit