General

  • Target

    detection

  • Size

    7KB

  • Sample

    250201-r8mfyaypaq

  • MD5

    60e328924b7b87dc5548518c888aaf62

  • SHA1

    66470e60ce1ff42244252240aa14f5eed1a826c5

  • SHA256

    5336e0393e352afe50f4740069dd7a071d74811b13dc47e8e79e6344ef27356f

  • SHA512

    71094efcef7f79aa47403c0a177b9e1b6ea5c1002bf8f751841d9025c3c9c97b20f0552dd412796d0fd4ca86492a1e5af95353ca22e6813e056ce0f1ce25bfb7

  • SSDEEP

    192:Ftsm1pT1cxgyv5AvnHeuAprvC7wtVAanvnvdUhW5QUPKyun7ne9GQ7pTT+T1Uu2:FPpOgyv50nHeuApLC7wtVAavvdKAZSbo

Malware Config

Extracted

Path

C:\Users\Admin\Documents\!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

Extracted

Path

C:\Users\Admin\AppData\Local\Temp\Temp1_The-MALWARE-Repo-master.zip\The-MALWARE-Repo-master\Ransomware\@[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: 12t9YDPgwueZ9NyMgw519p7AA8isjr6SMw 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

12t9YDPgwueZ9NyMgw519p7AA8isjr6SMw

Targets

    • Target

      detection

    • Size

      7KB

    • MD5

      60e328924b7b87dc5548518c888aaf62

    • SHA1

      66470e60ce1ff42244252240aa14f5eed1a826c5

    • SHA256

      5336e0393e352afe50f4740069dd7a071d74811b13dc47e8e79e6344ef27356f

    • SHA512

      71094efcef7f79aa47403c0a177b9e1b6ea5c1002bf8f751841d9025c3c9c97b20f0552dd412796d0fd4ca86492a1e5af95353ca22e6813e056ce0f1ce25bfb7

    • SSDEEP

      192:Ftsm1pT1cxgyv5AvnHeuAprvC7wtVAanvnvdUhW5QUPKyun7ne9GQ7pTT+T1Uu2:FPpOgyv50nHeuApLC7wtVAavvdKAZSbo

    • Modifies WinLogon for persistence

    • Modifies visibility of file extensions in Explorer

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • Wannacry

      WannaCry is a ransomware cryptoworm.

    • Wannacry family

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • Modifies boot configuration data using bcdedit

    • Disables Task Manager via registry modification

    • Drops startup file

    • Executes dropped EXE

    • 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

    • Blocklisted process makes network request

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • File and Directory Permissions Modification: Windows File and Directory Permissions Modification

    • Drops file in System32 directory

    • Sets desktop wallpaper using registry

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

MITRE ATT&CK Enterprise v15

Tasks