wannacry

General

Target

Windows10Upgrade9252.exe
Size

3.2MB
Sample

240326-twshjahb5y
MD5

c0b25def4312fbddbcc4f01c6c0f5ba6
SHA1

8d16a183d61233e7d6b6af7b3cafc6645ac2acb1
SHA256

c0424d0ae06ca1e6e0249b40d33ac40d74075856d543ec0924884664fba52b79
SHA512

8c67619747bb108dae5661688ec8fa4c62bc6ac38ee6ff14a4691aab04d7ddd870fee4262cb30624a6bd85ac1f7595af05311496b0336f979e7e5f797791bc0e
SSDEEP

98304:GgjXlctych4cCzJ8k2omX8sUf0ht5f/LyXtcH/:JjKtych9CzJqXM32jyX

Score

10^/10

Malware Config

Extracted

Path

C:\Users\Admin\Downloads\@[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: 115p7UMMngoj1pMvkpHijcRdfJNXj6LrLn 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

115p7UMMngoj1pMvkpHijcRdfJNXj6LrLn

Targets

- Target
  
  Windows10Upgrade9252.exe
- Size
  
  3.2MB
- MD5
  
  c0b25def4312fbddbcc4f01c6c0f5ba6
- SHA1
  
  8d16a183d61233e7d6b6af7b3cafc6645ac2acb1
- SHA256
  
  c0424d0ae06ca1e6e0249b40d33ac40d74075856d543ec0924884664fba52b79
- SHA512
  
  8c67619747bb108dae5661688ec8fa4c62bc6ac38ee6ff14a4691aab04d7ddd870fee4262cb30624a6bd85ac1f7595af05311496b0336f979e7e5f797791bc0e
- SSDEEP
  
  98304:GgjXlctych4cCzJ8k2omX8sUf0ht5f/LyXtcH/:JjKtych9CzJqXM32jyX
Score

10^/10

wannacry discovery persistence ransomware spyware stealer worm
- 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
- Checks computer location settings
  Looks up country code configured in the registry, likely geofence.
- 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
- 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
- Legitimate hosting services abused for malware hosting/C2
- Sets desktop wallpaper using registry
  ransomware
behavioral1