wannacry

General

Target

yfga_game.exe
Size

46.3MB
Sample

240715-mpdmgavdqg
MD5

1947ef762e78e2163483bd34b2d50b23
SHA1

81473c8ad25a5146cb8a023dfcf6c2057ee81aba
SHA256

67243c639e406bf2b643efc243a8406dc82656a6bc134643c4a376cd292852cf
SHA512

6f8c663db1ab0f0843b16425d9ab7b112322387afbf36a58cf5dfea02551a088403671e8d434558d70d530b3ace05406cb6d8990a7a6bb505747c04c22bd6ac7
SSDEEP

786432:x7Ud58tChs1g2uzRb7KPB8NUc3sXEPeEwkHYvgctIKpJZXnfsrQl92Z3tHDUOsj1:ht96h76B0HkGUvgcaKpDPBl92HHDdsGy

Score

10^/10

Malware Config

Extracted

Path

C:\Users\Admin\Desktop\yfga_game_6c5c6f08-fe22-474c-b3f7-9c8b5b9bed0e\@[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_2cda035c-b0fb-4f8c-a038-63453a96a2b3\@[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

Targets

- Target
  
  yfga_game.exe
- Size
  
  46.3MB
- MD5
  
  1947ef762e78e2163483bd34b2d50b23
- SHA1
  
  81473c8ad25a5146cb8a023dfcf6c2057ee81aba
- SHA256
  
  67243c639e406bf2b643efc243a8406dc82656a6bc134643c4a376cd292852cf
- SHA512
  
  6f8c663db1ab0f0843b16425d9ab7b112322387afbf36a58cf5dfea02551a088403671e8d434558d70d530b3ace05406cb6d8990a7a6bb505747c04c22bd6ac7
- SSDEEP
  
  786432:x7Ud58tChs1g2uzRb7KPB8NUc3sXEPeEwkHYvgctIKpJZXnfsrQl92Z3tHDUOsj1:ht96h76B0HkGUvgcaKpDPBl92HHDdsGy
Score

10^/10

wannacry aspackv2 defense_evasion discovery evasion execution exploit 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
- Possible privilege escalation attempt
  exploit
- ASPack v2.12-2.42
  Detects executables packed with ASPack v2.12-2.42
  aspackv2
- 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
- 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
- Drops file in System32 directory
- Sets desktop wallpaper using registry
  ransomware
behavioral1 behavioral2