General

  • Target

    text.txt

  • Size

    103B

  • Sample

    241102-f8e63s1lhr

  • MD5

    181acbc86809adb53c626c41f110232b

  • SHA1

    fc964fbf9653e17776b0772810f13667f1d08ca2

  • SHA256

    6d4a4d03e1313c9934ba3223e408ba1c18d4e00efc4205e229e10468b5b6d327

  • SHA512

    6c5c9daa0c022b9de83ff49058d531ff3904f974253a435a3be35b9c307f2f2b9f4894818065cf700ad169ab836cafc66f8bb385bd7d9dd0c6eddb526e2ef018

Malware Config

Extracted

Path

C:\Users\Admin\Desktop\@[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

      text.txt

    • Size

      103B

    • MD5

      181acbc86809adb53c626c41f110232b

    • SHA1

      fc964fbf9653e17776b0772810f13667f1d08ca2

    • SHA256

      6d4a4d03e1313c9934ba3223e408ba1c18d4e00efc4205e229e10468b5b6d327

    • SHA512

      6c5c9daa0c022b9de83ff49058d531ff3904f974253a435a3be35b9c307f2f2b9f4894818065cf700ad169ab836cafc66f8bb385bd7d9dd0c6eddb526e2ef018

    • Wannacry

      WannaCry is a ransomware cryptoworm.

    • Wannacry family

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Drops startup file

    • Executes dropped EXE

    • Impair Defenses: Safe Mode Boot

    • 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.

    • Unexpected DNS network traffic destination

      Network traffic to other servers than the configured DNS servers was detected on the DNS port.

    • Uses the VBS compiler for execution

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Enumerates connected drives

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

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

    • Legitimate hosting services abused for malware hosting/C2

    • Maps connected drives based on registry

      Disk information is often read in order to detect sandboxing environments.

    • Sets desktop wallpaper using registry

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks