wannacry

General

Target

sample
Size

20KB
Sample

240503-wy8nmsfh36
MD5

be131613a0f4c029acd8d888bb612ab8
SHA1

2f48310d73239cba55616104ef2512b701afcdf7
SHA256

76f7fe3476251f6fed8a0a7976909b804e22bdbf26b4289177ef6f965b59e9a8
SHA512

b49ff76c45ccd4c7840758a7891b2637e02e4bb05950ab72ffcc9a057e09a5caca1b7a4f665b581e0d5c858db21edc2481409fccbba6051c17cb6404a3810af7
SSDEEP

384:rjOkyOHDpmReVoOs49i9ylKeGMlU8HhhbBNO07SS2LjMrSb+2IJCgMmVn:rj5BVoOs49myI1MpBhbj32MrSMJ2mVn

Score

10^/10

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\Temp\Temp1_Ransomware.WannaCry.zip\@[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
  
  sample
- Size
  
  20KB
- MD5
  
  be131613a0f4c029acd8d888bb612ab8
- SHA1
  
  2f48310d73239cba55616104ef2512b701afcdf7
- SHA256
  
  76f7fe3476251f6fed8a0a7976909b804e22bdbf26b4289177ef6f965b59e9a8
- SHA512
  
  b49ff76c45ccd4c7840758a7891b2637e02e4bb05950ab72ffcc9a057e09a5caca1b7a4f665b581e0d5c858db21edc2481409fccbba6051c17cb6404a3810af7
- SSDEEP
  
  384:rjOkyOHDpmReVoOs49i9ylKeGMlU8HhhbBNO07SS2LjMrSb+2IJCgMmVn:rj5BVoOs49myI1MpBhbj32MrSMJ2mVn
Score

10^/10

wannacry defense_evasion discovery execution impact persistence ransomware worm
- Wannacry
  WannaCry is a ransomware cryptoworm.
  ransomware worm wannacry
- Deletes shadow copies
  Ransomware often targets backup files to inhibit system recovery.
  ransomware defense_evasion impact execution
- Drops startup file
- Executes dropped EXE
- Loads dropped DLL
- Modifies file permissions
  discovery
- Adds Run key to start application
  persistence
- Legitimate hosting services abused for malware hosting/C2
- Drops file in System32 directory
- Sets desktop wallpaper using registry
  ransomware
behavioral1