Resubmissions

05-04-2024 18:23

240405-w1xzxsbe43 10

05-04-2024 18:12

240405-wtak2sbc62 4

General

  • Target

    MEMZ-virus

  • Size

    216KB

  • Sample

    240405-w1xzxsbe43

  • MD5

    5f6ae81699fb6d3dfd316da8cbb536f9

  • SHA1

    8472c7c601becd085c2ba6a1abb1127510e7788e

  • SHA256

    757d61eb05823ceed3ff17edc0dc09cad9def1d08ff0e8bea24c2e55dc257c54

  • SHA512

    f965f1ea1e29e4a803e7732b9579f14840e95eebc2b61badb45b901a43fc38310635415597532cc4160a90140e705a683ecd86370d557ecbae8832c881235197

  • SSDEEP

    6144:LDuqJEf+eVSgE29xxspm0n1vuz3q9WvZJT3CqbMrhryfQNRPaCieMjAkvCJv1Vi9:Yf+eVSgE29xxspm0n1vuz3q9WvZJT3CW

Malware Config

Extracted

Path

C:\Users\Admin\Downloads\@[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

      MEMZ-virus

    • Size

      216KB

    • MD5

      5f6ae81699fb6d3dfd316da8cbb536f9

    • SHA1

      8472c7c601becd085c2ba6a1abb1127510e7788e

    • SHA256

      757d61eb05823ceed3ff17edc0dc09cad9def1d08ff0e8bea24c2e55dc257c54

    • SHA512

      f965f1ea1e29e4a803e7732b9579f14840e95eebc2b61badb45b901a43fc38310635415597532cc4160a90140e705a683ecd86370d557ecbae8832c881235197

    • SSDEEP

      6144:LDuqJEf+eVSgE29xxspm0n1vuz3q9WvZJT3CqbMrhryfQNRPaCieMjAkvCJv1Vi9:Yf+eVSgE29xxspm0n1vuz3q9WvZJT3CW

    • Wannacry

      WannaCry is a ransomware cryptoworm.

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • Downloads MZ/PE file

    • 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