Resubmissions

30/11/2025, 12:12

251130-pc6htsvpft10

30/11/2025, 12:00

251130-n6lvvahl7110

09/11/2025, 19:58

251109-ypxk5asqhm10

06/11/2025, 21:43

251106-1kxrfatrhp10

03/11/2025, 21:39

251103-1hxzesak9z10

04/10/2025, 20:19

251004-y355es1qy910

09/04/2025, 13:37

250409-qwzeas1rx9

31/03/2025, 05:19

250331-fz687stwdz

31/03/2025, 05:18

250331-fzse2swn13

31/03/2025, 05:18

250331-fzmvkawnz8

Analysis

  • max time kernel
    712s
  • max time network
    701s
  • platform
    windows10-ltsc_2021_x64
  • resource
    win10ltsc2021-20250314-en
  • resource tags

    arch:x64arch:x86image:win10ltsc2021-20250314-enlocale:en-usos:windows10-ltsc_2021-x64system
  • submitted
    31/03/2025, 00:22

General

  • Target
    RansomwareSamples/Ranzy_20_11_2020_138KB.exe
  • Size 138KB
  • Sample250331-apdw1ssjs8
  • SHA256 c4f72b292750e9332b1f1b9761d5aefc07301bc15edf31adeaf2e608000ec1c9
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10

Malware Config

Extracted

Path
  • C:\Users\Admin\readme.txt

Ransom Note
  • ---=== Ranzy Locker 1.1 ===--- Attention! Your network has been locked. Your computers and server are locked now. All encrypted files have extension: .ranzy ---- How to restore my files? ---- All files on each host in your network encrypted with strongest encryption algorithms Backups are deleted or formatted, do not worry, we can help you restore your files Files can be decrypted only with private key - this key stored on our servers You have only one way for return your files back - contact us and receive universal decryption program Do not worry about guarantees - you can decrypt any 3 files FOR FREE as guarantee ---- Contact us ---- You have two way to contact us: 1. Open our recovery-website (can be open in any browser): https://ranzylock.hk/N6CFBPYX 2. In case of link doesnt work open our mirror recovery-website via TOR Browser: Download TOR Browser here: https://www.torproject.org/download/ Open TOR mirror website: http://a6a5b4ppnkrio3nikyutfexbc6y5dc6kfhj3jr32kdwbryr2lempkuyd.onion/N6CFBPYX ---- Data Leak Attention ---- !!! All your sensitive data was downloaded to our servers !!! We are ready to publish this data in our blog with your Company Name, if you will not contact with us by email !!! Only we can delete your files from our servers !!! Only we can restore all your files without any LOSS ---- Recovery information ---- key: eyJleHQiOiIucmFuenkiLCJuZXR3b3JrIjoidHJ1ZSIsInN1YmlkIjoiMTQzNzUiLCJsYW5nIjoiZW4tVVMAIn0= personal id: 10EKVPIH
URLs
  • https://ranzylock.hk/N6CFBPYX

  • http://a6a5b4ppnkrio3nikyutfexbc6y5dc6kfhj3jr32kdwbryr2lempkuyd.onion/N6CFBPYX

Signatures

  • Renames multiple (180) files with added filename extension

    This suggests ransomware activity of encrypting all the files on the system.

  • Enumerates connected drives 3 TTPs 24 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Opens file in notepad (likely ransom note) 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\RansomwareSamples\Ranzy_20_11_2020_138KB.exe
    "C:\Users\Admin\AppData\Local\Temp\RansomwareSamples\Ranzy_20_11_2020_138KB.exe"
    1⤵
    • Enumerates connected drives
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2408
    • C:\Windows\SysWOW64\Wbem\wmic.exe
      wmic.exe SHADOWCOPY /nointeractive
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2464
    • C:\Windows\SysWOW64\Wbem\wmic.exe
      wmic.exe SHADOWCOPY /nointeractive
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:972
    • C:\Windows\SysWOW64\Wbem\wmic.exe
      wmic.exe SHADOWCOPY /nointeractive
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:3128
    • C:\Windows\SysWOW64\Wbem\wmic.exe
      wmic.exe SHADOWCOPY /nointeractive
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:3380
    • C:\Windows\SysWOW64\Wbem\wmic.exe
      wmic.exe SHADOWCOPY /nointeractive
      2⤵
      • System Location Discovery: System Language Discovery
      PID:4328
  • C:\Windows\system32\NOTEPAD.EXE
    "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Desktop\readme.txt
    1⤵
    • Opens file in notepad (likely ransom note)
    PID:416

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        readme.txt

        • Path C:\Users\Admin\readme.txt
        • Size 1KB
        • SHA256 35794acc1c48f49508d07ea68fc4d500d95905a73ba20c74e24e7fa654179dc3
        • MD5 SHA1 SHA512