wannacry

General

Target

codigo para virus.txt
Size

1KB
Sample

230215-3lb78seg33
MD5

898739061f8148b25706d565a964550f
SHA1

af4757ffceeaf6871e3eb56fed648b44a0208a03
SHA256

55df77785805a115b3626f3f8ef2b36a49ae09b9954462e7fbbf081b154eae6d
SHA512

d21db9503a0abb57c822b2e605dcc6b875eacfe634f4d9084f0f39ce230e1d9e978cba4e41249ee283ddfae3a5d7df355e69bc04bd4f2aca34ce2b3f1a858c21

Score

10^/10

Malware Config

Extracted

Path

C:\Users\Admin\Desktop\@Please_Read_Me@.txt

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 "@WanaDecryptor@.exe". 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
  
  codigo para virus.txt
- Size
  
  1KB
- MD5
  
  898739061f8148b25706d565a964550f
- SHA1
  
  af4757ffceeaf6871e3eb56fed648b44a0208a03
- SHA256
  
  55df77785805a115b3626f3f8ef2b36a49ae09b9954462e7fbbf081b154eae6d
- SHA512
  
  d21db9503a0abb57c822b2e605dcc6b875eacfe634f4d9084f0f39ce230e1d9e978cba4e41249ee283ddfae3a5d7df355e69bc04bd4f2aca34ce2b3f1a858c21
Score

10^/10

wannacry discovery persistence ransomware spyware stealer worm
- 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
- Modifies extensions of user files
  Ransomware generally changes the extension on encrypted files.
  ransomware
- Sets service image path in registry
  persistence
- Checks BIOS information in registry
  BIOS information is often read in order to detect sandboxing environments.
- Drops startup file
- Executes dropped EXE
- 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
- Registers COM server for autorun
  persistence
- 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
- Drops file in System32 directory
- Sets desktop wallpaper using registry
  ransomware
behavioral1