wannacry

General

Target

1998-toyota-supra-mk4-rear-end-4qe55coxcmxn1xug (1).jpg
Size

414KB
Sample

240408-nnjmrsga85
MD5

680e11e6e196d181b52259c16610e481
SHA1

91b811c720a55f1fbdd8cb56d5aace4c928c3395
SHA256

4b74c1e9f4821f39fd431cbd5e2f0e274114f74bfb32c8c1116176f6dc5ce56f
SHA512

a4c9a5cc1f064b3c9b175b33c2447e3f83c55b9e75aa451c8878f40efd5b918c527c3a3739d233c2fa8cc82e38f0f8a6a2d95bcc7db93d22c42ee6b7fd3293d6
SSDEEP

6144:TBpGj5dP+t03i/4mMFBre7xFJRf2dTUd2l28cz9DCkgcM+P8kYbMNmiuOR:T6j5NXXFexF7f6J+z9upcMzowo

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: 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
  
  1998-toyota-supra-mk4-rear-end-4qe55coxcmxn1xug (1).jpg
- Size
  
  414KB
- MD5
  
  680e11e6e196d181b52259c16610e481
- SHA1
  
  91b811c720a55f1fbdd8cb56d5aace4c928c3395
- SHA256
  
  4b74c1e9f4821f39fd431cbd5e2f0e274114f74bfb32c8c1116176f6dc5ce56f
- SHA512
  
  a4c9a5cc1f064b3c9b175b33c2447e3f83c55b9e75aa451c8878f40efd5b918c527c3a3739d233c2fa8cc82e38f0f8a6a2d95bcc7db93d22c42ee6b7fd3293d6
- SSDEEP
  
  6144:TBpGj5dP+t03i/4mMFBre7xFJRf2dTUd2l28cz9DCkgcM+P8kYbMNmiuOR:T6j5NXXFexF7f6J+z9upcMzowo
Score

10^/10

wannacry bootkit discovery evasion persistence ransomware 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
- Uses Session Manager for persistence
  Creates Session Manager registry key to run executable early in system boot.
  persistence
- Drops startup file
- Executes dropped EXE
- Loads dropped DLL
- Modifies file permissions
  discovery
- 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