General

  • Target

    WannaCry.EXE

  • Size

    3.5MB

  • Sample

    250704-yb68eaykt4

  • MD5

    28a0c742cd216f261922321ec72fec2f

  • SHA1

    5b3453a51efcd239a19762343e54089e69dc4865

  • SHA256

    a61d020f0951c1208b3990932e148c5cdf86f1e419b4f81405434c56d6f40169

  • SHA512

    b648e7eef2551a4cbc14a266ca76c2d8c16de404ec517878bcd9bd05f6e5abb8bf14933960479ad4589fbaaf00cf3bd9fd13a96e5b72ebb1748cbf9fb25004bc

  • SSDEEP

    98304:xqPoBhz1aRxcSUDk36SAEdhvxWa9P593R8yAVp2g3Z:xqPe1Cxcxk3ZAEUadzR8yc4gJ

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\Temp\@[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: 13AM4VW2dhxYgXeQepoHkHSQuy6NgaEb94 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

13AM4VW2dhxYgXeQepoHkHSQuy6NgaEb94

Extracted

Path

C:\Users\Admin\AppData\Local\Temp\@[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: 115p7UMMngoj1pMvkpHijcRdfJNXj6LrLn 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

115p7UMMngoj1pMvkpHijcRdfJNXj6LrLn

Targets

    • Target

      WannaCry.EXE

    • Size

      3.5MB

    • MD5

      28a0c742cd216f261922321ec72fec2f

    • SHA1

      5b3453a51efcd239a19762343e54089e69dc4865

    • SHA256

      a61d020f0951c1208b3990932e148c5cdf86f1e419b4f81405434c56d6f40169

    • SHA512

      b648e7eef2551a4cbc14a266ca76c2d8c16de404ec517878bcd9bd05f6e5abb8bf14933960479ad4589fbaaf00cf3bd9fd13a96e5b72ebb1748cbf9fb25004bc

    • SSDEEP

      98304:xqPoBhz1aRxcSUDk36SAEdhvxWa9P593R8yAVp2g3Z:xqPe1Cxcxk3ZAEUadzR8yc4gJ

    • Modifies visiblity of hidden/system files in Explorer

    • Wannacry

      WannaCry is a ransomware cryptoworm.

    • Wannacry family

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • 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

    • 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 v16

Tasks