General

  • Target
    2023-02-15_9a4827a78e363d84ea0e334e842ab039_wannacry.exe
  • Size 325KB
  • Sample230216-m19jaagh4z
  • SHA256 ac7a29cb82b7b3e50d8aaa0da5e431f0b466de07dad241e5b6090cf71963e3b8
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Path
  • C:\Users\Admin\Desktop\read_it.txt

Ransom Note
  • TuRKey_RanSOmWarE All of your files have been encrypted Your computer was infected with a ransomware virus. Your files have been encrypted and you won't be able to decrypt them without our help.What can I do to get my files back?You can buy our special decryption software, this software will allow you to recover all of your data and remove the ransomware from your computer.The price for the software is $500. Payment can be made in Bitcoin only. How do I pay, where do I get Bitcoin? Purchasing Bitcoin varies from country to country, you are best advised to do a quick google search yourself to find out how to buy Bitcoin. Many of our customers have reported these sites to be fast and reliable: Coinmama - hxxps://www.coinmama.com Bitpanda - hxxps://www.bitpanda.com Payment informationAmount: 0,022 BTC Bitcoin Address: bc1qxwnqayk77nha5509swmclfzgkas6gc9t8xjj64

Targets

    • Target
      2023-02-15_9a4827a78e363d84ea0e334e842ab039_wannacry.exe
    • Size 325KB
    • SHA256 ac7a29cb82b7b3e50d8aaa0da5e431f0b466de07dad241e5b6090cf71963e3b8
    • MD5 SHA1 SHA512 SSDEEP
    • Chaos

      Ransomware family first seen in June 2021.

    • Chaos Ransomware

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • Modifies boot configuration data using bcdedit

    • Deletes backup catalog

      Uses wbadmin.exe to inhibit system recovery.

    • Modifies extensions of user files

      Ransomware generally changes the extension on encrypted files.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Drops startup file

    • Executes dropped EXE

    • Reads user/profile data of web browsers

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

    • Drops desktop.ini file(s)

    • Sets desktop wallpaper using registry

MITRE ATT&CK Enterprise v6

Tasks