General

  • Target

    https://mega.nz/file/gQ53HbCL#7bbz3SpvcEx89QOytcNzEwJSdXduzEbmgwveereRTOA

  • Sample

    241112-e5t1dstpg1

Malware Config

Extracted

Path

C:\Users\Admin\Downloads\!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\Downloads\r.wry

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

Extracted

Family

warzonerat

C2

168.61.222.215:5400

Targets

    • Target

      https://mega.nz/file/gQ53HbCL#7bbz3SpvcEx89QOytcNzEwJSdXduzEbmgwveereRTOA

    • Wannacry

      WannaCry is a ransomware cryptoworm.

    • Wannacry family

    • WarzoneRat, AveMaria

      WarzoneRat is a native RAT developed in C++ with multiple plugins sold as a MaaS.

    • Warzonerat family

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • ReZer0 packer

      Detects ReZer0, a packer with multiple versions used in various campaigns.

    • Warzone RAT payload

    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    • Downloads MZ/PE file

    • A potential corporate email address has been identified in the URL: [email protected]

    • Checks computer location settings

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

    • 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.

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Legitimate hosting services abused for malware hosting/C2

    • Drops file in System32 directory

    • Sets desktop wallpaper using registry

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks