Overview

overview

10

Static

static

Widows11Update.exe

windows10-2004-x64

10

Resubmissions

21/01/2023, 19:35

230121-yay6eade6410

20/01/2023, 19:16

230120-xy925shd8310

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General

  • Target
    Widows11Update.exe
  • Size 3.8MB
  • Sample230120-xy925shd83
  • SHA256 9a32d238e703ab4d481abb14417517a4b7f3ee860729aed21a445aa71ed0094b
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
wannacrydiscoverypersistenceransomwarespywarestealerworm

Malware Config

Extracted

Path

  • 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 "@[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

  • 13AM4VW2dhxYgXeQepoHkHSQuy6NgaEb94

Targets

    • Target
      Widows11Update.exe
    • Size 3.8MB
    • SHA256 9a32d238e703ab4d481abb14417517a4b7f3ee860729aed21a445aa71ed0094b
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    wannacrydiscoverypersistenceransomwarespywarestealerworm

    • Wannacry

      WannaCry is a ransomware cryptoworm.

      ransomwarewormwannacry

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

      ransomware

    • Executes dropped EXE

    • Modifies extensions of user files

      Ransomware generally changes the extension on encrypted files.

      ransomware

    • Checks computer location settings

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

    • Drops startup file

    • Loads dropped DLL

    • Modifies file permissions

      discovery

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

      spywarestealer

    • Adds Run key to start application

      persistence

    • Sets desktop wallpaper using registry

      ransomware
    behavioral1

MITRE ATT&CK Enterprise v6

Tasks