cryptolocker

General

Target
MEMZ-virus
Size 247KB
Sample240806-3rmk6avaml
SHA256 759a62a1d7e2935c1e3898be2853ca90ef10dba4da89639a577f867342923488
MD5 6be096a120a7ed29c5f0e1438c229297
SHA1 9bd59fa300a6a1f92614299513ed3ff942f6b628
SHA512 e4f366ce09535fd36ef002fd679a3dc20b9d62d838e2aa3a76004a4437455fdca3546d0baec83de84ad0b37ebdec7ca800464d3ca6d8365729071121484badf3
SSDEEP 6144:83ojA3uokeOvHS1d1+sNs8wbiWQ29fvZJT3CqbMrhryf65NRPaCieMjAkvCJv1VP:OojA3uokeOvHS1d1+sNs8wbiWQ29fvZY
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

Malware Config

Extracted

Path

C:\Users\Admin\Downloads\!Please Read Me!.txt

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
  MEMZ-virus
- Size 247KB
- SHA256 759a62a1d7e2935c1e3898be2853ca90ef10dba4da89639a577f867342923488
- MD5 6be096a120a7ed29c5f0e1438c229297
- SHA1 9bd59fa300a6a1f92614299513ed3ff942f6b628
- SHA512 e4f366ce09535fd36ef002fd679a3dc20b9d62d838e2aa3a76004a4437455fdca3546d0baec83de84ad0b37ebdec7ca800464d3ca6d8365729071121484badf3
- SSDEEP 6144:83ojA3uokeOvHS1d1+sNs8wbiWQ29fvZJT3CqbMrhryf65NRPaCieMjAkvCJv1VP:OojA3uokeOvHS1d1+sNs8wbiWQ29fvZY
- MD5 SHA1 SHA512 SSDEEP
Score

10^/10

cryptolocker wannacry credential_access defense_evasion discovery execution impact persistence privilege_escalation ransomware spyware stealer worm
- CryptoLocker
  Ransomware family with multiple variants.
  ransomware cryptolocker
- Wannacry
  WannaCry is a ransomware cryptoworm.
  ransomware worm wannacry
- Credentials from Password Stores: Credentials from Web Browsers
  Malicious Access or copy of Web Browser Credential store.
  credential_access stealer
- Deletes shadow copies
  Ransomware often targets backup files to inhibit system recovery.
  ransomware defense_evasion impact execution
- Downloads MZ/PE file
- Credentials from Password Stores: Windows Credential Manager
  Suspicious access to Credentials History.
  credential_access stealer
- Drops startup file
- Event Triggered Execution: Component Object Model Hijacking
  Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.
  persistence privilege_escalation
- 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
- 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
- Sets desktop wallpaper using registry
  ransomware
behavioral1