Resubmissions

22-07-2024 21:18

240722-z5p2naydqg 10

02-08-2023 19:33

230802-x9jpbshd72 10

10-05-2023 18:31

230510-w6gvwsbd9w 10

10-05-2023 16:59

230510-vhm7bsah7w 10

09-05-2023 10:41

230509-mq9rashc7z 10

General

  • Target

    WannaCry.EXE

  • Size

    3.4MB

  • Sample

    240722-z5p2naydqg

  • MD5

    80d2cfccef17caa46226147c1b0648e6

  • SHA1

    4540c60c99594ebd49e0ede7d2070b00f5fb021b

  • SHA256

    91afb972e14584bc1e23802e2b26813f57b802689fe61a540fdaf162cecd7493

  • SHA512

    d0c245182b1f984f244a49267ead57296002f31d4ce36102508b604f85aa32a879a80f628312e1332f04104af35da0947b3c0e0eec35385bbac7540345f8a99b

  • SSDEEP

    98304:JPoBhz1aRxcSUDk36SAEdhvxWa9P593R8yAVp2g36R:JPe1Cxcxk3ZAEUadzR8yc4gKR

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

Extracted

Path

C:\Users\Admin\AppData\Local\Temp\3582-490\@[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

      WannaCry.EXE

    • Size

      3.4MB

    • MD5

      80d2cfccef17caa46226147c1b0648e6

    • SHA1

      4540c60c99594ebd49e0ede7d2070b00f5fb021b

    • SHA256

      91afb972e14584bc1e23802e2b26813f57b802689fe61a540fdaf162cecd7493

    • SHA512

      d0c245182b1f984f244a49267ead57296002f31d4ce36102508b604f85aa32a879a80f628312e1332f04104af35da0947b3c0e0eec35385bbac7540345f8a99b

    • SSDEEP

      98304:JPoBhz1aRxcSUDk36SAEdhvxWa9P593R8yAVp2g36R:JPe1Cxcxk3ZAEUadzR8yc4gKR

    • Detect Neshta payload

    • Neshta

      Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.

    • Wannacry

      WannaCry is a ransomware cryptoworm.

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies file permissions

    • Modifies system executable filetype association

    • 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