General

  • Target

    https://www.bing.com/ck/a?!&&p=76c96d69cb990b2eJmltdHM9MTY4NTc1MDQwMCZpZ3VpZD0xODk4OGRjMi0zZjA2LTZjMzAtMGI5NC05ZWM5M2U2ZDZkYmEmaW5zaWQ9NTE5OQ&ptn=3&hsh=3&fclid=18988dc2-3f06-6c30-0b94-9ec93e6d6dba&psq=wannacry+ransomware+download&u=a1aHR0cHM6Ly9naXRodWIuY29tL2xpbWl0ZWNpL1dhbm5hQ3J5&ntb=1

  • Sample

    230603-1947taac26

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: 115p7UMMngoj1pMvkpHijcRdfJNXj6LrLn Next, please find an application file named "@WanaDecryptor@.exe". 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

      https://www.bing.com/ck/a?!&&p=76c96d69cb990b2eJmltdHM9MTY4NTc1MDQwMCZpZ3VpZD0xODk4OGRjMi0zZjA2LTZjMzAtMGI5NC05ZWM5M2U2ZDZkYmEmaW5zaWQ9NTE5OQ&ptn=3&hsh=3&fclid=18988dc2-3f06-6c30-0b94-9ec93e6d6dba&psq=wannacry+ransomware+download&u=a1aHR0cHM6Ly9naXRodWIuY29tL2xpbWl0ZWNpL1dhbm5hQ3J5&ntb=1

    • Wannacry

      WannaCry is a ransomware cryptoworm.

    • Downloads MZ/PE file

    • Drops startup file

    • Executes dropped EXE

    • Modifies file permissions

    • Reads user/profile data of web browsers

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

    • Legitimate hosting services abused for malware hosting/C2

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Hidden Files and Directories

1
T1158

Defense Evasion

File Permissions Modification

1
T1222

Hidden Files and Directories

1
T1158

Credential Access

Credentials in Files

1
T1081

Discovery

System Information Discovery

2
T1082

Query Registry

1
T1012

Collection

Data from Local System

1
T1005

Command and Control

Web Service

1
T1102

Tasks