General

  • Target

    cry.exe

  • Size

    3MB

  • Sample

    220919-lawn3aecaj

  • MD5

    db349b97c37d22f5ea1d1841e3c89eb4

  • SHA1

    e889544aff85ffaf8b0d0da705105dee7c97fe26

  • SHA256

    24d004a104d4d54034dbcffc2a4b19a11f39008a575aa614ea04703480b1022c

  • SHA512

    d6c60b8f22f89cbd1262c0aa7ae240577a82002fb149e9127d4edf775a25abcda4e585b6113e79ab4a24bb65f4280532529c2f06f7ffe4d5db45c0caf74fea38

Malware Config

Extracted

Path

C:\ProgramData\oshpjgqabksdank026\@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: 115p7UMMngoj1pMvkpHijcRdfJNXj6LrLn Next, please find an application file named "@WanaDecryptor@.exe". 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

      cry.exe

    • Size

      3MB

    • MD5

      db349b97c37d22f5ea1d1841e3c89eb4

    • SHA1

      e889544aff85ffaf8b0d0da705105dee7c97fe26

    • SHA256

      24d004a104d4d54034dbcffc2a4b19a11f39008a575aa614ea04703480b1022c

    • SHA512

      d6c60b8f22f89cbd1262c0aa7ae240577a82002fb149e9127d4edf775a25abcda4e585b6113e79ab4a24bb65f4280532529c2f06f7ffe4d5db45c0caf74fea38

    • Wannacry

      WannaCry is a ransomware cryptoworm.

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • Contacts a large (903) amount of remote hosts

      This may indicate a network scan to discover remotely running services.

    • Executes dropped EXE

    • Modifies extensions of user files

      Ransomware generally changes the extension on encrypted files.

    • Drops startup file

    • Loads dropped DLL

    • Modifies file permissions

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Adds Run key to start application

    • Drops file in System32 directory

    • Sets desktop wallpaper using registry

MITRE ATT&CK Matrix

Command and Control

    Credential Access

    Execution

      Exfiltration

        Initial Access

          Lateral Movement

            Privilege Escalation