General

  • Target

    WaveInstaller (1).exe

  • Size

    2.3MB

  • Sample

    240729-cva4esseqg

  • MD5

    8ad8b6593c91d7960dad476d6d4af34f

  • SHA1

    0a95f110c8264cde7768a3fd76db5687fda830ea

  • SHA256

    43e6ae7e38488e95741b1cad60843e7ce49419889285433eb4e697c175a153ab

  • SHA512

    09b522da0958f8b173e97b31b6c7141cb67de5d30db9ff71bc6e61ca9a97c09bff6b17d6eaa03c840500996aad25b3419391af64de1c59e98ff6a8eac636b686

  • SSDEEP

    49152:6inbT3qpTDQSmanAmwJAaDMg33U2pLYiniT:6inKpTJmWAmmAMPWin

Malware Config

Extracted

Path

C:\Users\Admin\Downloads\Ransomware.WannaCry\@[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

      WaveInstaller (1).exe

    • Size

      2.3MB

    • MD5

      8ad8b6593c91d7960dad476d6d4af34f

    • SHA1

      0a95f110c8264cde7768a3fd76db5687fda830ea

    • SHA256

      43e6ae7e38488e95741b1cad60843e7ce49419889285433eb4e697c175a153ab

    • SHA512

      09b522da0958f8b173e97b31b6c7141cb67de5d30db9ff71bc6e61ca9a97c09bff6b17d6eaa03c840500996aad25b3419391af64de1c59e98ff6a8eac636b686

    • SSDEEP

      49152:6inbT3qpTDQSmanAmwJAaDMg33U2pLYiniT:6inKpTJmWAmmAMPWin

    • Rhadamanthys

      Rhadamanthys is an info stealer written in C++ first seen in August 2022.

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Wannacry

      WannaCry is a ransomware cryptoworm.

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • Downloads MZ/PE file

    • Event Triggered Execution: Image File Execution Options Injection

    • Drops startup file

    • Event Triggered Execution: Component Object Model Hijacking

      Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies file permissions

    • Adds Run key to start application

    • Checks for any installed AV software in registry

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

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

    • Legitimate hosting services abused for malware hosting/C2

    • Maps connected drives based on registry

      Disk information is often read in order to detect sandboxing environments.

    • Network Share Discovery

      Attempt to gather information on host network.

    • Checks system information in the registry

      System information is often read in order to detect sandboxing environments.

    • Drops file in System32 directory

    • Enumerates processes with tasklist

    • Sets desktop wallpaper using registry

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks