Resubmissions

23/07/2025, 20:26

250723-y78q4sbn81 7

03/05/2025, 09:46

250503-lrsczatjw5 3

General

  • Target

    SigWare.zip

  • Size

    19KB

  • Sample

    250503-lsq7asgl7z

  • MD5

    5585f35db7b726e4fc563376b4205841

  • SHA1

    c2bea5ea20dbbf817b29eefb833eaad4ed377a7e

  • SHA256

    41fea1f7faf3343c8817d9de41a46e4e34b26ddb19e77a83f5f41ca0366d3a69

  • SHA512

    b9402e6c37f7671ef89e125fcd9beb4c14813e9d6473ac08453b705d7780c8b4216ded12065df010dc2db29d98670a3817c09126fa6489d091bd13c0291e77d5

  • SSDEEP

    384:/T26JuFRxR/n57XGFBy7y2LmGeHFUVzM0b2opjrgGyx9:/T26J4RB727yG2f5YIpj8j

Malware Config

Extracted

Path

C:\Users\Admin\Desktop\@[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: 115p7UMMngoj1pMvkpHijcRdfJNXj6LrLn 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

115p7UMMngoj1pMvkpHijcRdfJNXj6LrLn

Targets

    • Target

      SigWare.zip

    • Size

      19KB

    • MD5

      5585f35db7b726e4fc563376b4205841

    • SHA1

      c2bea5ea20dbbf817b29eefb833eaad4ed377a7e

    • SHA256

      41fea1f7faf3343c8817d9de41a46e4e34b26ddb19e77a83f5f41ca0366d3a69

    • SHA512

      b9402e6c37f7671ef89e125fcd9beb4c14813e9d6473ac08453b705d7780c8b4216ded12065df010dc2db29d98670a3817c09126fa6489d091bd13c0291e77d5

    • SSDEEP

      384:/T26JuFRxR/n57XGFBy7y2LmGeHFUVzM0b2opjrgGyx9:/T26J4RB727yG2f5YIpj8j

    • Wannacry

      WannaCry is a ransomware cryptoworm.

    • Wannacry family

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • Checks computer location settings

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

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies file permissions

    • 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

    • Sets desktop wallpaper using registry

MITRE ATT&CK Enterprise v16

Tasks