wannacry

General

Target

yfga_game.exe
Size

46.7MB
Sample

240715-pmah5stdrh
MD5

9d846a2d794eb4614b3d0feaa6f83259
SHA1

ff6d194172fa313b8921a80cecc84f470d8dc2d0
SHA256

cfd64f9ed065d19f7c488db3a8e29a553c9e61849b1d08765006110d73d3434b
SHA512

6a8115aa70bd1d0d0af474a2d9d5f4ad03e2fa09277a1f3f3e6063682329b1b42aeef206f4a74d2fb76cd12afe4daf0bd1571c26c7121741a782241d3d28b521
SSDEEP

786432:c7Ud58tChs1g2uzRx7KPB8NUc3sXEPeEwkHYvgctIKpJZXnfsrQl92Z3tHDUOsj1:4t96L76B0HkGUvgcaKpDPBl92HHDdsGy

Score

10^/10

Malware Config

Extracted

Path

C:\Users\Admin\Desktop\yfga_game_198a926a-2093-441a-8356-5f2f2004e5a9\@[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

Extracted

Path

C:\Users\Admin\Desktop\yfga_game_becd0118-72a4-4e80-98b3-5317dc324c18\@[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

Extracted

Path

C:\Users\Admin\Desktop\yfga_game_b9d0a247-94c6-426f-aefe-9cfced1ad4fc\@[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
  
  yfga_game.exe
- Size
  
  46.7MB
- MD5
  
  9d846a2d794eb4614b3d0feaa6f83259
- SHA1
  
  ff6d194172fa313b8921a80cecc84f470d8dc2d0
- SHA256
  
  cfd64f9ed065d19f7c488db3a8e29a553c9e61849b1d08765006110d73d3434b
- SHA512
  
  6a8115aa70bd1d0d0af474a2d9d5f4ad03e2fa09277a1f3f3e6063682329b1b42aeef206f4a74d2fb76cd12afe4daf0bd1571c26c7121741a782241d3d28b521
- SSDEEP
  
  786432:c7Ud58tChs1g2uzRx7KPB8NUc3sXEPeEwkHYvgctIKpJZXnfsrQl92Z3tHDUOsj1:4t96L76B0HkGUvgcaKpDPBl92HHDdsGy
Score

10^/10

wannacry aspackv2 defense_evasion discovery evasion execution impact persistence ransomware spyware stealer upx 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
- Disables Task Manager via registry modification
  evasion
- ASPack v2.12-2.42
  Detects executables packed with ASPack v2.12-2.42
  aspackv2
- 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
- UPX packed file
  Detects executables packed with UPX/modified UPX open source packer.
  upx
- 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
- File and Directory Permissions Modification: Windows File and Directory Permissions Modification
  defense_evasion
- Sets desktop wallpaper using registry
  ransomware
behavioral1 behavioral2 behavioral3 behavioral4