General

  • Target

    sample

  • Size

    20KB

  • Sample

    240501-rfc2ssge31

  • MD5

    34d4df9e8d3e5db66175b1966403c948

  • SHA1

    3c631ee2e78b04eba141857f4de38e6ace8f9206

  • SHA256

    391e48cf8e276282940138bf3f667f84f2e72e41cc0a92cb02cab23d82a33ec7

  • SHA512

    93697adc709e7140b17874fcc1f946dc1740634e3f28938f2690c8c17fb12942c3ab91e2f0423408d7e7e8f3c190ca96b58541921e80a2d7e086a297a33c10e0

  • SSDEEP

    384:rGsdMDpmReVoOs4Ii9ylKeGMcUxWHhhbcly7iS2LjMrSSpxIJCgMmVn:rGOMBVoOs4ImyI1MTWBhbcUmMrSRJ2mV

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\Temp\Temp1_WannaCrypt0r.zip\@[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

      sample

    • Size

      20KB

    • MD5

      34d4df9e8d3e5db66175b1966403c948

    • SHA1

      3c631ee2e78b04eba141857f4de38e6ace8f9206

    • SHA256

      391e48cf8e276282940138bf3f667f84f2e72e41cc0a92cb02cab23d82a33ec7

    • SHA512

      93697adc709e7140b17874fcc1f946dc1740634e3f28938f2690c8c17fb12942c3ab91e2f0423408d7e7e8f3c190ca96b58541921e80a2d7e086a297a33c10e0

    • SSDEEP

      384:rGsdMDpmReVoOs4Ii9ylKeGMcUxWHhhbcly7iS2LjMrSSpxIJCgMmVn:rGOMBVoOs4ImyI1MTWBhbcUmMrSRJ2mV

    • 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

    • Legitimate hosting services abused for malware hosting/C2

    • Sets desktop wallpaper using registry

MITRE ATT&CK Enterprise v15

Tasks