wannacry

General

Target

antivirus.exe
Size

2.6MB
Sample

240712-rwmaeaxfln
MD5

3ab228aee932163236d2864827dc12c6
SHA1

d6b82a1abad1b9aebbdc237238e59b1f89fff8cc
SHA256

3d9a0ac863a35dfb5b059667774c56a1f24e1621f26387435118a6a0f0b15888
SHA512

6eb01a25cd403d79a7b27be43341eb483e26e414b5d0e54f59925eac86e9a58490e23f7ce3db2529406984bc4761f8d8c482c960d6c3200d04dbd2405168b16c
SSDEEP

49152:K47Nlau3ZGJvDrOV9Gcwb/alTe/iXMNLdcE/EBSDre/2jX8oi:KeNlau3AJOV9GvZbRDe/2z4

Score

10^/10

Malware Config

Extracted

Path

C:\Users\Admin\Desktop\@[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
  
  antivirus.exe
- Size
  
  2.6MB
- MD5
  
  3ab228aee932163236d2864827dc12c6
- SHA1
  
  d6b82a1abad1b9aebbdc237238e59b1f89fff8cc
- SHA256
  
  3d9a0ac863a35dfb5b059667774c56a1f24e1621f26387435118a6a0f0b15888
- SHA512
  
  6eb01a25cd403d79a7b27be43341eb483e26e414b5d0e54f59925eac86e9a58490e23f7ce3db2529406984bc4761f8d8c482c960d6c3200d04dbd2405168b16c
- SSDEEP
  
  49152:K47Nlau3ZGJvDrOV9Gcwb/alTe/iXMNLdcE/EBSDre/2jX8oi:KeNlau3AJOV9GvZbRDe/2z4
Score

10^/10

wannacry defense_evasion discovery evasion execution impact persistence ransomware trojan 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
- Drops startup file
- Modifies file permissions
  discovery
- Adds Run key to start application
  persistence
- Checks for any installed AV software in registry
- Checks whether UAC is enabled
  evasion trojan
- File and Directory Permissions Modification: Windows File and Directory Permissions Modification
  defense_evasion
- Legitimate hosting services abused for malware hosting/C2
- Drops file in System32 directory
- Sets desktop wallpaper using registry
  ransomware
behavioral1