General

  • Target

    Cluxy_multitool.exe

  • Size

    56.4MB

  • Sample

    241017-zx4vvazblk

  • MD5

    4a39b0b561dd36d51bf0f92a63ffbfda

  • SHA1

    fa12ad3b53f205a38e49967df8954af385c302dc

  • SHA256

    e6757b4abdad7234bf572539e215f2689c68e84cff75ac05d9be6e4c48f3c6f8

  • SHA512

    b546be3fd2a242b74e9bfa0368271cd9f667594c9a415231638cfc008347ec7ee6279d43f3917490fe43c5ca7e07221471f1d386fe8f604885c3d08ccd387efe

  • SSDEEP

    1572864:O+wGIpeQqMrlpA+Ql4cxTivfS4qrBBGcm1:O+wpeyklDxenZynGH1

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\Temp\@[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

      Cluxy_multitool.exe

    • Size

      56.4MB

    • MD5

      4a39b0b561dd36d51bf0f92a63ffbfda

    • SHA1

      fa12ad3b53f205a38e49967df8954af385c302dc

    • SHA256

      e6757b4abdad7234bf572539e215f2689c68e84cff75ac05d9be6e4c48f3c6f8

    • SHA512

      b546be3fd2a242b74e9bfa0368271cd9f667594c9a415231638cfc008347ec7ee6279d43f3917490fe43c5ca7e07221471f1d386fe8f604885c3d08ccd387efe

    • SSDEEP

      1572864:O+wGIpeQqMrlpA+Ql4cxTivfS4qrBBGcm1:O+wpeyklDxenZynGH1

    • Wannacry

      WannaCry is a ransomware cryptoworm.

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • 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.

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • 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.

    • Hide Artifacts: Hidden Files and Directories

    • Sets desktop wallpaper using registry

    • UPX packed file

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

MITRE ATT&CK Enterprise v15

Tasks