General

  • Target

    f02bf0ee736e9fee8372772e207c5ec83af23e0521f5e0346e15ea584b4e8e36.bin.sample

  • Size

    3.5MB

  • Sample

    211018-tpm98sdhb9

  • MD5

    4677ad996f48b802b2ef1e9b64901504

  • SHA1

    693e99b23094ddb01040f0577b78a0b56b34327c

  • SHA256

    f02bf0ee736e9fee8372772e207c5ec83af23e0521f5e0346e15ea584b4e8e36

  • SHA512

    aa1e97b13d82adf6ea2a91338ae2895c229f41082b6369af496213787617ec5614169a5923f2057668497e471c5ff720cdfbba39db2d8c0f8608efeab9598a3d

Malware Config

Extracted

Path

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

      f02bf0ee736e9fee8372772e207c5ec83af23e0521f5e0346e15ea584b4e8e36.bin.sample

    • Size

      3.5MB

    • MD5

      4677ad996f48b802b2ef1e9b64901504

    • SHA1

      693e99b23094ddb01040f0577b78a0b56b34327c

    • SHA256

      f02bf0ee736e9fee8372772e207c5ec83af23e0521f5e0346e15ea584b4e8e36

    • SHA512

      aa1e97b13d82adf6ea2a91338ae2895c229f41082b6369af496213787617ec5614169a5923f2057668497e471c5ff720cdfbba39db2d8c0f8608efeab9598a3d

    • Wannacry

      WannaCry is a ransomware cryptoworm.

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • Executes dropped EXE

    • Modifies extensions of user files

      Ransomware generally changes the extension on encrypted files.

    • Drops startup file

    • 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.

    • Adds Run key to start application

    • Sets desktop wallpaper using registry

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Hidden Files and Directories

1
T1158

Defense Evasion

File Deletion

2
T1107

File Permissions Modification

1
T1222

Modify Registry

3
T1112

Hidden Files and Directories

1
T1158

Credential Access

Credentials in Files

1
T1081

Discovery

System Information Discovery

1
T1082

Collection

Data from Local System

1
T1005

Impact

Inhibit System Recovery

2
T1490

Defacement

1
T1491

Tasks