Resubmissions

12-10-2024 18:37

241012-w9z6mszbjk 3

12-10-2024 18:18

241012-wxp5xaydmm 10

General

  • Target

    ps1.png

  • Size

    47KB

  • Sample

    241012-wxp5xaydmm

  • MD5

    fba4b7498572db784dcec416b7fbb65d

  • SHA1

    270b295423b9632a83dd98c310bd5cbb53f384e8

  • SHA256

    89d23d1e705c36500ea842f60b6880cf593e695082b77a88b53022896311d614

  • SHA512

    04d8947eca4f8c52d96cd067c57ded892fd9d79af5501aa8ecf43d90e5b4e39b3fe7c49d13ef3e4308e4395158e052fe67fd18900fe80659ba0c65910f521f76

  • SSDEEP

    768:8hMpX7Uzf0cg4TmwoWHpaJbqCUXN9+KHTRy96BfuZKUcMjnxV2GpqUr4m+YSA1qS:de0cg4TjJMJbqnXN9fTY96BfuZdcsxbh

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

Targets

    • Target

      ps1.png

    • Size

      47KB

    • MD5

      fba4b7498572db784dcec416b7fbb65d

    • SHA1

      270b295423b9632a83dd98c310bd5cbb53f384e8

    • SHA256

      89d23d1e705c36500ea842f60b6880cf593e695082b77a88b53022896311d614

    • SHA512

      04d8947eca4f8c52d96cd067c57ded892fd9d79af5501aa8ecf43d90e5b4e39b3fe7c49d13ef3e4308e4395158e052fe67fd18900fe80659ba0c65910f521f76

    • SSDEEP

      768:8hMpX7Uzf0cg4TmwoWHpaJbqCUXN9+KHTRy96BfuZKUcMjnxV2GpqUr4m+YSA1qS:de0cg4TjJMJbqnXN9fTY96BfuZdcsxbh

    • Modifies WinLogon for persistence

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • 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.

    • Credentials from Password Stores: Windows Credential Manager

      Suspicious access to Credentials History.

    • 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

    • 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.

    • 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.

    • Boot or Logon Autostart Execution: Authentication Package

      Suspicious Windows Authentication Registry Modification.

    • Drops file in System32 directory

    • Sets desktop wallpaper using registry

MITRE ATT&CK Enterprise v15

Tasks