Analysis

  • max time kernel
    1580s
  • max time network
    1596s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13-09-2022 17:54

General

  • Target

    RansomwareSamples/Ranzy_20_11_2020_138KB.exe

  • Size

    138KB

  • MD5

    954479f95ce67fcb855c5b882d68e74b

  • SHA1

    43ccf398999f70b613e1353cfb6845ee09b393ca

  • SHA256

    c4f72b292750e9332b1f1b9761d5aefc07301bc15edf31adeaf2e608000ec1c9

  • SHA512

    515e675401ec67d2d06f06264cb33808ad7d214a0609492ddf73f40a3b829358d75f79fff04b29c6953fc3f450c0d55207d5a6fd3b571f60ae05e25327c41a5f

  • SSDEEP

    3072:WNnBEPCZ788hExMfHg/50iIETyyCDRk8gE9QIluYEh0VZvcWrMFh:WPEa586nHg/50/ET3CoE7uYEau

Score
10/10

Malware Config

Extracted

Path

C:\odt\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

  • Modifies extensions of user files 13 IoCs

    Ransomware generally changes the extension on encrypted files.

  • 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). Likely ransomware behaviour.

  • 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⤵
    • Modifies extensions of user files
    • Enumerates connected drives
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2444
    • C:\Windows\SysWOW64\Wbem\wmic.exe
      wmic.exe SHADOWCOPY /nointeractive
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:4348
    • C:\Windows\SysWOW64\Wbem\wmic.exe
      wmic.exe SHADOWCOPY /nointeractive
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2368
    • C:\Windows\SysWOW64\Wbem\wmic.exe
      wmic.exe SHADOWCOPY /nointeractive
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1864
    • C:\Windows\SysWOW64\Wbem\wmic.exe
      wmic.exe SHADOWCOPY /nointeractive
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:5004
    • C:\Windows\SysWOW64\Wbem\wmic.exe
      wmic.exe SHADOWCOPY /nointeractive
      2⤵
        PID:4804

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Discovery

    Query Registry

    1
    T1012

    Peripheral Device Discovery

    1
    T1120

    System Information Discovery

    2
    T1082

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1864-134-0x0000000000000000-mapping.dmp
    • memory/2368-133-0x0000000000000000-mapping.dmp
    • memory/4348-132-0x0000000000000000-mapping.dmp
    • memory/4804-136-0x0000000000000000-mapping.dmp
    • memory/5004-135-0x0000000000000000-mapping.dmp