General

  • Target

    Ransomware.WannaCry.zip

  • Size

    3.3MB

  • Sample

    240918-ks55sascjd

  • MD5

    efe76bf09daba2c594d2bc173d9b5cf0

  • SHA1

    ba5de52939cb809eae10fdbb7fac47095a9599a7

  • SHA256

    707a9f323556179571bc832e34fa592066b1d5f2cac4a7426fe163597e3e618a

  • SHA512

    4a1df71925cf2eb49c38f07c6a95bea17752b025f0114c6fd81bc0841c1d1f2965b5dda1469e454b9e8207c2e0dfd3df0959e57166620ccff86eeeb5cf855029

  • SSDEEP

    98304:vhvb2BVmAw0p9jIVcEj5nnZNRyA30yBSRT:vhvq7Bu6EZnZN5EyBSN

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: 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

Targets

    • Target

      Ransomware.WannaCry.zip

    • Size

      3.3MB

    • MD5

      efe76bf09daba2c594d2bc173d9b5cf0

    • SHA1

      ba5de52939cb809eae10fdbb7fac47095a9599a7

    • SHA256

      707a9f323556179571bc832e34fa592066b1d5f2cac4a7426fe163597e3e618a

    • SHA512

      4a1df71925cf2eb49c38f07c6a95bea17752b025f0114c6fd81bc0841c1d1f2965b5dda1469e454b9e8207c2e0dfd3df0959e57166620ccff86eeeb5cf855029

    • SSDEEP

      98304:vhvb2BVmAw0p9jIVcEj5nnZNRyA30yBSRT:vhvq7Bu6EZnZN5EyBSN

    • Wannacry

      WannaCry is a ransomware cryptoworm.

    • 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

    • Legitimate hosting services abused for malware hosting/C2

    • Sets desktop wallpaper using registry

MITRE ATT&CK Enterprise v15

Tasks