General

  • Target

    winmugen.exe

  • Size

    728KB

  • Sample

    240320-1faq4scg3y

  • MD5

    6ab193c70ef923b6154eafb1ee2e696a

  • SHA1

    53d593a6ddac66b983b1794f64ea97c98ead9913

  • SHA256

    92b3b971492599d2e1b08719dd5a7859431bc743292c3395621f2bbd215e6c16

  • SHA512

    964b880510669f1c8a7698027e706be4aefb3fc6db5115016ff261193f45f21b98f6d68d9a1c4d268b71251de483ac075a020118ae40a875f47bc6dc5e12c9a1

  • SSDEEP

    12288:ajIz30Z/s+e9+N4mYS0x0I2fEKs7hkpOxiO0yRB1ykhIKCPHr7dES6Ync8lL:ajIz3093Y+uDS06I5KFkxid6BogIKCDf

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: 12t9YDPgwueZ9NyMgw519p7AA8isjr6SMw 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

12t9YDPgwueZ9NyMgw519p7AA8isjr6SMw

Targets

    • Target

      winmugen.exe

    • Size

      728KB

    • MD5

      6ab193c70ef923b6154eafb1ee2e696a

    • SHA1

      53d593a6ddac66b983b1794f64ea97c98ead9913

    • SHA256

      92b3b971492599d2e1b08719dd5a7859431bc743292c3395621f2bbd215e6c16

    • SHA512

      964b880510669f1c8a7698027e706be4aefb3fc6db5115016ff261193f45f21b98f6d68d9a1c4d268b71251de483ac075a020118ae40a875f47bc6dc5e12c9a1

    • SSDEEP

      12288:ajIz30Z/s+e9+N4mYS0x0I2fEKs7hkpOxiO0yRB1ykhIKCPHr7dES6Ync8lL:ajIz3093Y+uDS06I5KFkxid6BogIKCDf

    • Wannacry

      WannaCry is a ransomware cryptoworm.

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • Modifies Installed Components in the registry

    • 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.

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Legitimate hosting services abused for malware hosting/C2

    • Sets desktop wallpaper using registry

MITRE ATT&CK Enterprise v15

Tasks