General

  • Target

    WhatsApp.exe

  • Size

    3.4MB

  • Sample

    241120-ta9jxszckj

  • MD5

    816ab7483ad853ceeaabbecf1bb3320a

  • SHA1

    85ffa33b7ff2d66c01cf5e88367d93801f24a06c

  • SHA256

    1de8e951caaeca60bbff3e53481f70385b370170d734a1c8ba60b45177d68566

  • SHA512

    840f2a279dab0f17cd9dd1678898f3a07664cf495a557f7c126247fdec14bd1d92b94e18efd67322883cc7af576833780ec4bd80d785443a075951db5f98d27f

  • SSDEEP

    98304:k/PoBhz1aRxcSUDk36SAEdhvxWa9P593R8yAVp2g3:k/Pe1Cxcxk3ZAEUadzR8yc4g

Malware Config

Extracted

Path

C:\Users\Admin\Documents\@[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

      WhatsApp.exe

    • Size

      3.4MB

    • MD5

      816ab7483ad853ceeaabbecf1bb3320a

    • SHA1

      85ffa33b7ff2d66c01cf5e88367d93801f24a06c

    • SHA256

      1de8e951caaeca60bbff3e53481f70385b370170d734a1c8ba60b45177d68566

    • SHA512

      840f2a279dab0f17cd9dd1678898f3a07664cf495a557f7c126247fdec14bd1d92b94e18efd67322883cc7af576833780ec4bd80d785443a075951db5f98d27f

    • SSDEEP

      98304:k/PoBhz1aRxcSUDk36SAEdhvxWa9P593R8yAVp2g3:k/Pe1Cxcxk3ZAEUadzR8yc4g

    • 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

    • Sets desktop wallpaper using registry

MITRE ATT&CK Enterprise v15

Tasks