Resubmissions

16-11-2024 08:32

241116-kfj2sashra 3

30-09-2024 06:13

240930-gyw8aavcpd 10

General

  • Target

    Ransomware.wannacry.exe.malz.7z

  • Size

    3.4MB

  • Sample

    240930-gyw8aavcpd

  • MD5

    4d9c771619255c9b937c34b4c50cec7e

  • SHA1

    55177cd9cefc6369db31b23e324d3263b4d4e6a6

  • SHA256

    adb41a37499a6f0f5b1e58b1973367dd34a695293dc1fed601c79d21fd0754c1

  • SHA512

    4f017c53bf0c04118ec535f12742b83ab19b1c8f741936c0811641c78264cee8df5a84f149391cd0b5c9a3e6f38f4155b067ca95c1e759d962882414197c6b60

  • SSDEEP

    49152:nlUTH8fWrXRTyEAP/g4CJbErYlXxgx+E/epdYMaiEK3SFNjt4Jg87nIHOVLWF4k9:nlG8mh8gV56+NjaiEK3SFNjthk5I4W3N

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: 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

      Ransomware.wannacry.exe.malz

    • Size

      3.6MB

    • MD5

      db349b97c37d22f5ea1d1841e3c89eb4

    • SHA1

      e889544aff85ffaf8b0d0da705105dee7c97fe26

    • SHA256

      24d004a104d4d54034dbcffc2a4b19a11f39008a575aa614ea04703480b1022c

    • SHA512

      d6c60b8f22f89cbd1262c0aa7ae240577a82002fb149e9127d4edf775a25abcda4e585b6113e79ab4a24bb65f4280532529c2f06f7ffe4d5db45c0caf74fea38

    • SSDEEP

      98304:wDqPoBhz1aRxcSUDk36SAEdhvxWa9P593R8yAVp2g3R:wDqPe1Cxcxk3ZAEUadzR8yc4gB

    • Wannacry

      WannaCry is a ransomware cryptoworm.

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • Contacts a large (507) amount of remote hosts

      This may indicate a network scan to discover remotely running services.

    • 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

    • Creates a large amount of network flows

      This may indicate a network scan to discover remotely running services.

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

    • Drops file in System32 directory

    • Sets desktop wallpaper using registry

MITRE ATT&CK Enterprise v15

Tasks