wannacry

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22/01/2023, 20:25

230122-y7pcgabf5v10

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General

Target
WannaCrypt0r.zip
Size 3.3MB
Sample230122-y7pcgabf5v
SHA256 283f40e9d550833bec101a24fd6fd6fbd9937ed32a51392e818ffff662a1d30a
MD5 e58fdd8b0ce47bcb8ffd89f4499d186d
SHA1 b7e2334ac6e1ad75e3744661bb590a2d1da98b03
SHA512 95b6567b373efa6aec6a9bfd7af70ded86f8c72d3e8ba75f756024817815b830f54d18143b0be6de335dd0ca0afe722f88a4684663be5a84946bd30343d43a8c
SSDEEP 49152:0x8KJHkctwJdVlgBq+q1vqtWdhQIajy4AsOLgVv+L3QXz+B7m1qyapDgJmeiTLW:0x8KJX+dVHvtzaj3xWgw79icXW
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

Malware Config

Extracted

Path

C:\Users\Admin\Downloads\RANSOMWARE-WANNACRY-2.0-master\Ransomware.WannaCry\@[email protected]

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
  WannaCrypt0r.zip
- Size 3.3MB
- SHA256 283f40e9d550833bec101a24fd6fd6fbd9937ed32a51392e818ffff662a1d30a
- MD5 e58fdd8b0ce47bcb8ffd89f4499d186d
- SHA1 b7e2334ac6e1ad75e3744661bb590a2d1da98b03
- SHA512 95b6567b373efa6aec6a9bfd7af70ded86f8c72d3e8ba75f756024817815b830f54d18143b0be6de335dd0ca0afe722f88a4684663be5a84946bd30343d43a8c
- SSDEEP 49152:0x8KJHkctwJdVlgBq+q1vqtWdhQIajy4AsOLgVv+L3QXz+B7m1qyapDgJmeiTLW:0x8KJX+dVHvtzaj3xWgw79icXW
- MD5 SHA1 SHA512 SSDEEP
Score

10^/10

wannacry microsoft royalmail discovery persistence phishing ransomware spyware stealer worm
- Detected royalmail phishing page
  phishing royalmail
- Suspicious use of NtCreateUserProcessOtherParentProcess
- Wannacry
  WannaCry is a ransomware cryptoworm.
  ransomware worm wannacry
- Deletes shadow copies
  Ransomware often targets backup files to inhibit system recovery.
  ransomware
- Downloads MZ/PE file
- Drops file in Drivers directory
- Executes dropped EXE
- Modifies extensions of user files
  Ransomware generally changes the extension on encrypted files.
  ransomware
- Registers COM server for autorun
  persistence
- Sets service image path in registry
  persistence
- Checks BIOS information in registry
  BIOS information is often read in order to detect sandboxing environments.
- Checks computer location settings
  Looks up country code configured in the registry, likely geofence.
- Drops startup file
- Loads dropped DLL
- Modifies file permissions
  discovery
- Reads user/profile data of web browsers
  Infostealers often target stored browser data, which can include saved credentials etc.
  spyware stealer
- Adds Run key to start application
  persistence
- Checks installed software on the system
  Looks up Uninstall key entries in the registry to enumerate software on the system.
  discovery
- Enumerates connected drives
  Attempts to read the root path of hard drives other than the default C: drive.
- Legitimate hosting services abused for malware hosting/C2
- Detected potential entity reuse from brand microsoft.
  phishing microsoft
- Drops file in System32 directory
- Sets desktop wallpaper using registry
  ransomware
behavioral1 behavioral2