Resubmissions

23-08-2024 11:43

240823-nv2rxsvbpm 7

23-08-2024 03:25

240823-dytwdashkb 10

General

  • Target

    BrowserCollector_x64.exe

  • Size

    779KB

  • Sample

    240823-dytwdashkb

  • MD5

    71b5e70a257f47dd6c9ead4f1010bd88

  • SHA1

    f75c41ecbf6f34ca0048534d72f8847b37c38229

  • SHA256

    9edcf4905388c25cb2782272ed5458157c6fded7d6e5ef0439102f1c74fd9925

  • SHA512

    475fd6c74c835fcdc765b56bb7baa18926e6da6c497f160386429938148f9277447918a678b41c9bf1293988896530f4fcac17d1fa93f630a446263f07d9f45f

  • SSDEEP

    12288:ksUHsZCB1OcBfiv3P6gIo/Bw9av4Xzo0P9MqETKTvNo4UvXCt:k3RB8Wfiv3PJImBw9ag5P9MqETWxI

Malware Config

Extracted

Path

C:\Users\Admin\Downloads\WannaCrypt0r\@[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

      BrowserCollector_x64.exe

    • Size

      779KB

    • MD5

      71b5e70a257f47dd6c9ead4f1010bd88

    • SHA1

      f75c41ecbf6f34ca0048534d72f8847b37c38229

    • SHA256

      9edcf4905388c25cb2782272ed5458157c6fded7d6e5ef0439102f1c74fd9925

    • SHA512

      475fd6c74c835fcdc765b56bb7baa18926e6da6c497f160386429938148f9277447918a678b41c9bf1293988896530f4fcac17d1fa93f630a446263f07d9f45f

    • SSDEEP

      12288:ksUHsZCB1OcBfiv3P6gIo/Bw9av4Xzo0P9MqETKTvNo4UvXCt:k3RB8Wfiv3PJImBw9ag5P9MqETWxI

    • InfinityLock Ransomware

      Also known as InfinityCrypt. Based on the open-source HiddenTear ransomware.

    • Modifies visibility of file extensions in Explorer

    • UAC bypass

    • 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

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

    • Legitimate hosting services abused for malware hosting/C2

    • Sets desktop wallpaper using registry

MITRE ATT&CK Enterprise v15

Tasks