General

  • Target

    Word.exe

  • Size

    3MB

  • Sample

    230125-frbgkaeh88

  • MD5

    e8340564caba7a2635af2c79cb7103eb

  • SHA1

    8c62c79508abe5ffa36608d1846dcb20b2a27137

  • SHA256

    acd5f35bfcc91c197d8ea08afe588454233114500255ed842b0589dc194ec466

  • SHA512

    b6dc6dfeff210222ee904ad9c8dc832e4bf9c27a84298d2817e320bd9308e6d647a5efcf6845a0ed2b0cebdb6539257cd07428bbdce3d5d5db23e8614503d9d2

  • SSDEEP

    98304:/uWtmPx3xiobns6osz1gyQ4BL995Bt9JWpVi6q:/9m5hi0HBtQ4P95L9g3i6q

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\Temp\@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: 13AM4VW2dhxYgXeQepoHkHSQuy6NgaEb94 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

13AM4VW2dhxYgXeQepoHkHSQuy6NgaEb94

Targets

    • Target

      Word.exe

    • Size

      3MB

    • MD5

      e8340564caba7a2635af2c79cb7103eb

    • SHA1

      8c62c79508abe5ffa36608d1846dcb20b2a27137

    • SHA256

      acd5f35bfcc91c197d8ea08afe588454233114500255ed842b0589dc194ec466

    • SHA512

      b6dc6dfeff210222ee904ad9c8dc832e4bf9c27a84298d2817e320bd9308e6d647a5efcf6845a0ed2b0cebdb6539257cd07428bbdce3d5d5db23e8614503d9d2

    • SSDEEP

      98304:/uWtmPx3xiobns6osz1gyQ4BL995Bt9JWpVi6q:/9m5hi0HBtQ4P95L9g3i6q

    • Wannacry

      WannaCry is a ransomware cryptoworm.

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • Executes dropped EXE

    • Modifies extensions of user files

      Ransomware generally changes the extension on encrypted files.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • 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

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

    • Drops file in System32 directory

    • Sets desktop wallpaper using registry

MITRE ATT&CK Matrix

Tasks