cryptolocker

General

Target

https://github.com/Da2dalus/The-MALWARE-Repo
Sample

241028-smsaqsznfx

Score

10^/10

Malware Config

Extracted

Path

C:\Users\Admin\Downloads\The-MALWARE-Repo-master\The-MALWARE-Repo-master\Ransomware\!Please Read Me!.txt

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: 15zGqZCTcys6eCjDkE3DypCjXi6QWRV6V1 Next, please find the decrypt software on your desktop, an executable file named "!WannaDecryptor!.exe". If it does not exsit, download the software from the address below. (You may need to disable your antivirus for a while.) rar password: wcry123 Run and follow the instructions! �

Wallets

15zGqZCTcys6eCjDkE3DypCjXi6QWRV6V1

Targets

- Target
  
  https://github.com/Da2dalus/The-MALWARE-Repo
Score

10^/10

cryptolocker dharma wannacry credential_access defense_evasion discovery evasion execution impact persistence privilege_escalation ransomware spyware stealer trojan worm
- CryptoLocker
  Ransomware family with multiple variants.
  ransomware cryptolocker
- Cryptolocker family
  cryptolocker
- Dharma
  Dharma is a ransomware that uses security software installation to hide malicious activities.
  ransomware dharma
- Dharma family
  dharma
- Wannacry
  WannaCry is a ransomware cryptoworm.
  ransomware worm wannacry
- Wannacry family
  wannacry
- Deletes shadow copies
  Ransomware often targets backup files to inhibit system recovery.
  ransomware defense_evasion impact execution
- Renames multiple (519) files with added filename extension
  This suggests ransomware activity of encrypting all the files on the system.
  ransomware
- Contacts a large (1153) amount of remote hosts
  This may indicate a network scan to discover remotely running services.
  discovery
- Downloads MZ/PE file
- Modifies Windows Firewall
  evasion
- Checks computer location settings
  Looks up country code configured in the registry, likely geofence.
- Credentials from Password Stores: Windows Credential Manager
  Suspicious access to Credentials History.
  credential_access stealer
- Drops startup file
- Executes dropped EXE
- Loads dropped DLL
- Reads user/profile data of web browsers
  Infostealers often target stored browser data, which can include saved credentials etc.
  spyware stealer
- 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
- Checks whether UAC is enabled
  evasion trojan
- Creates a large amount of network flows
  This may indicate a network scan to discover remotely running services.
  discovery
- Drops desktop.ini file(s)
- Enumerates connected drives
  Attempts to read the root path of hard drives other than the default C: drive.
- Looks up external IP address via web service
  Uses a legitimate IP lookup service to find the infected system's external IP.
- Drops file in System32 directory
- Sets desktop wallpaper using registry
  ransomware
behavioral1