wannacry

General

Target

.
Size

147KB
Sample

240516-qm315afb26
MD5

dc0666d0319d2f93720470b46142c993
SHA1

1a0e2cde2fb33068943115f8d6f3a3674233d009
SHA256

2fc05a70769d8f0342e419a5b0451756c9f110e93a4cbc294025c5ab287dc473
SHA512

984cdd0533bf747d58bb019163142aed0392111937e034e534af51568d2adf9cf5465557b8126726f9407dfb201c364471fedc2cd90198e260eb419eecccb7f2
SSDEEP

1536:ohkud8TPV9vK4DNvGR4Dbll1qKf+30vD932Os4DJHhqiS:2kPT3V+CllQHKnHhqiS

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: 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
  
  .
- Size
  
  147KB
- MD5
  
  dc0666d0319d2f93720470b46142c993
- SHA1
  
  1a0e2cde2fb33068943115f8d6f3a3674233d009
- SHA256
  
  2fc05a70769d8f0342e419a5b0451756c9f110e93a4cbc294025c5ab287dc473
- SHA512
  
  984cdd0533bf747d58bb019163142aed0392111937e034e534af51568d2adf9cf5465557b8126726f9407dfb201c364471fedc2cd90198e260eb419eecccb7f2
- SSDEEP
  
  1536:ohkud8TPV9vK4DNvGR4Dbll1qKf+30vD932Os4DJHhqiS:2kPT3V+CllQHKnHhqiS
Score

10^/10

wannacry defense_evasion discovery evasion execution impact persistence ransomware spyware stealer worm
- Modifies WinLogon for persistence
  persistence
- Process spawned unexpected child process
  This typically indicates the parent process was compromised via an exploit or macro.
- Suspicious use of NtCreateUserProcessOtherParentProcess
- 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
- Modifies boot configuration data using bcdedit
  ransomware evasion
- Downloads MZ/PE file
- Drops file in Drivers directory
- Modifies RDP port number used by Windows
- Sets service image path in registry
  persistence
- Checks BIOS information in registry
  BIOS information is often read in order to detect sandboxing environments.
- 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
- Registers COM server for autorun
  persistence
- 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
- Enumerates connected drives
  Attempts to read the root path of hard drives other than the default C: drive.
- Legitimate hosting services abused for malware hosting/C2
- Drops file in System32 directory
behavioral1