wannacry

General

Target

AnyDesk.exe
Size

5.1MB
Sample

240905-xfehhsxhlc
MD5

e6f473bd5340405656209e620f43068f
SHA1

c144446dc23c86c7c9b26ce87c3176866372f6d1
SHA256

bed33c3732307e19e9a702e7ff179180a7891b92cb879a5b758021eefc68a99b
SHA512

2e9065caeadcef0edd1e8e8fe3139e0fc5a9dd46011dbc0a4666745ed817cfaf6f859c9f1b5c1e5e957476cb16b42dcf14508594e44f2a059706865c19866a4c
SSDEEP

98304:H/9YNbhcFtvWK+XJURR51NX6hzzVwDmIoEWXF5fX+LWHF7uCf:HCNbhcF1WKW6whfOjGvAWHR

Score

10^/10

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\Temp\Temp1_WannaCrypt0r.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
  
  AnyDesk.exe
- Size
  
  5.1MB
- MD5
  
  e6f473bd5340405656209e620f43068f
- SHA1
  
  c144446dc23c86c7c9b26ce87c3176866372f6d1
- SHA256
  
  bed33c3732307e19e9a702e7ff179180a7891b92cb879a5b758021eefc68a99b
- SHA512
  
  2e9065caeadcef0edd1e8e8fe3139e0fc5a9dd46011dbc0a4666745ed817cfaf6f859c9f1b5c1e5e957476cb16b42dcf14508594e44f2a059706865c19866a4c
- SSDEEP
  
  98304:H/9YNbhcFtvWK+XJURR51NX6hzzVwDmIoEWXF5fX+LWHF7uCf:HCNbhcF1WKW6whfOjGvAWHR
Score

10^/10

discovery wannacry bootkit defense_evasion execution impact persistence ransomware 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
- File and Directory Permissions Modification: Windows File and Directory Permissions Modification
  defense_evasion
- 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
- Checks computer location settings
  Looks up country code configured in the registry, likely geofence.
- Drops file in System32 directory
- Sets desktop wallpaper using registry
  ransomware
behavioral1 behavioral2