wannacry

General

Target

reshacker_setup.exe
Size

4.1MB
Sample

240406-kfgawsfb62
MD5

02eb693dcfb90a696d191badbcf314ce
SHA1

b1d0352c35d7da251e2fa19ecbe8c1e5286f898f
SHA256

246457363396dcea4cc3d19ce2a431897bac948ae1694d3e87cc0ebaf2ea39f5
SHA512

17b6a5f2446459c058bd035df784adad0e58aa7438a56e02fd75c593eb6bae82719b6293de6b1504e1089cade44b5e137771991816d616c08f92eb2c249cc159
SSDEEP

98304:HEagQkFrdGj3mx1Ijxkp3U3aVTISLUHBrIC0:9gQktdGCxmjY3U3aVTnIH4

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
  
  reshacker_setup.exe
- Size
  
  4.1MB
- MD5
  
  02eb693dcfb90a696d191badbcf314ce
- SHA1
  
  b1d0352c35d7da251e2fa19ecbe8c1e5286f898f
- SHA256
  
  246457363396dcea4cc3d19ce2a431897bac948ae1694d3e87cc0ebaf2ea39f5
- SHA512
  
  17b6a5f2446459c058bd035df784adad0e58aa7438a56e02fd75c593eb6bae82719b6293de6b1504e1089cade44b5e137771991816d616c08f92eb2c249cc159
- SSDEEP
  
  98304:HEagQkFrdGj3mx1Ijxkp3U3aVTISLUHBrIC0:9gQktdGCxmjY3U3aVTnIH4
Score

10^/10

wannacry bootkit discovery evasion persistence ransomware spyware stealer trojan worm
- Suspicious use of NtCreateProcessExOtherParentProcess
- 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
- Sets service image path in registry
  persistence
- 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
- Windows security modification
  evasion trojan
- Adds Run key to start application
  persistence
- Checks for any installed AV software in registry
- 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
- Writes to the Master Boot Record (MBR)
  Bootkits write to the MBR to gain persistence at a level below the operating system.
  bootkit persistence
- Drops file in System32 directory
- Sets desktop wallpaper using registry
  ransomware
behavioral1