General

  • Target

    hel.txt

  • Size

    406B

  • Sample

    240915-wq5xsawfrk

  • MD5

    15da365f4f090a3e38d8329e6860ba83

  • SHA1

    093b8444b4d0bb1e91255b5cd9e875738c2ce916

  • SHA256

    2fed09c8225b81f260bc0f3ef29ca802ad881d408a7ea9b81b9fcbf15783c0ac

  • SHA512

    316daa931daeb1c60b970363d1d6269f52ff7c7e829e4c3e9e90321fc97fc0dc8278de53417765b4d3372eb8da1e6bbb33bea9e2f1f7be4b588ba5acd36811b7

Malware Config

Extracted

Path

C:\Users\Admin\Desktop\@[email protected]

Family

wannacry

Ransom Note
Q: What's wrong with my files? A: Ooops, your important files are encrypted. It means you will not be able to access them anymore until they are decrypted. If you follow our instructions, we guarantee that you can decrypt all your files quickly and safely! Let's start decrypting! Q: What do I do? A: First, you need to pay service fees for the decryption. Please send $300 worth of bitcoin to this bitcoin address: 12t9YDPgwueZ9NyMgw519p7AA8isjr6SMw Next, please find an application file named "@[email protected]". It is the decrypt software. Run and follow the instructions! (You may need to disable your antivirus for a while.) Q: How can I trust? A: Don't worry about decryption. We will decrypt your files surely because nobody will trust us if we cheat users. * If you need our assistance, send a message by clicking <Contact Us> on the decryptor window. �
Wallets

12t9YDPgwueZ9NyMgw519p7AA8isjr6SMw

Targets

    • Target

      hel.txt

    • Size

      406B

    • MD5

      15da365f4f090a3e38d8329e6860ba83

    • SHA1

      093b8444b4d0bb1e91255b5cd9e875738c2ce916

    • SHA256

      2fed09c8225b81f260bc0f3ef29ca802ad881d408a7ea9b81b9fcbf15783c0ac

    • SHA512

      316daa931daeb1c60b970363d1d6269f52ff7c7e829e4c3e9e90321fc97fc0dc8278de53417765b4d3372eb8da1e6bbb33bea9e2f1f7be4b588ba5acd36811b7

    • Suspicious use of NtCreateProcessExOtherParentProcess

    • Wannacry

      WannaCry is a ransomware cryptoworm.

    • Credentials from Password Stores: Credentials from Web Browsers

      Malicious Access or copy of Web Browser Credential store.

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    • Credentials from Password Stores: Windows Credential Manager

      Suspicious access to Credentials History.

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies file permissions

    • Reads user/profile data of web browsers

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

    • Adds Run key to start application

    • Drops desktop.ini file(s)

    • Enumerates connected drives

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

    • File and Directory Permissions Modification: Windows File and Directory Permissions Modification

    • Drops file in System32 directory

    • Sets desktop wallpaper using registry

MITRE ATT&CK Enterprise v15

Tasks