General

  • Target

    Geometrize.exe

  • Size

    13.7MB

  • Sample

    240814-q2stpszfkp

  • MD5

    999e9257d3a88d1620602db5a393ec38

  • SHA1

    dbf83c0be0a5d0e91f600076eed623f3d6bc528c

  • SHA256

    d09366e9a4e69defb50b6fec51e8e6a0aa8910192d6178395f841e7282e8b5b8

  • SHA512

    54f82b07ace6e0641df0d4bf46457055258261e7c56ce07952f4f375b6439c2ad25b18c93c56b31d8ac53fcb8b2ab277777fe2e842b0b15abf739c9204f00689

  • SSDEEP

    196608:W3eFw3hwECd5g3gwLM2M9AnujtPO18CezqBpE6efuOu2pYMNkR3Pxlw:WHmPd52m2squUGkS68uOuqGlLw

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\Temp\Temp1_WannaCrypt0r.zip\@[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

      Geometrize.exe

    • Size

      13.7MB

    • MD5

      999e9257d3a88d1620602db5a393ec38

    • SHA1

      dbf83c0be0a5d0e91f600076eed623f3d6bc528c

    • SHA256

      d09366e9a4e69defb50b6fec51e8e6a0aa8910192d6178395f841e7282e8b5b8

    • SHA512

      54f82b07ace6e0641df0d4bf46457055258261e7c56ce07952f4f375b6439c2ad25b18c93c56b31d8ac53fcb8b2ab277777fe2e842b0b15abf739c9204f00689

    • SSDEEP

      196608:W3eFw3hwECd5g3gwLM2M9AnujtPO18CezqBpE6efuOu2pYMNkR3Pxlw:WHmPd52m2squUGkS68uOuqGlLw

    • Wannacry

      WannaCry is a ransomware cryptoworm.

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Modifies RDP port number used by Windows

    • Sets service image path in registry

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Checks computer location settings

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

    • 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.

    • Executes dropped EXE

    • Impair Defenses: Safe Mode Boot

    • 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

    • Checks installed software on the system

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

    • 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

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Drops file in System32 directory

    • Sets desktop wallpaper using registry

MITRE ATT&CK Enterprise v15

Tasks