General

  • Target

    svchost.exe

  • Size

    31KB

  • Sample

    201010-p6tmerk4xx

  • MD5

    49b8f905867aded45f1f5b3c9bd84209

  • SHA1

    0a87788428778dba567623ccc9be6825eba4b7c7

  • SHA256

    02883009e7e310bf670bff6336cb6c05c5ecfe0b40274a99b769e8fbfae19ad3

  • SHA512

    1c9d2b7bb3948ad8f3cae541602575b9eacc2a212ab0a6e7c148a24a72e36986e4c46d646244837dc3ea7c71f3db90629f7ee68ef18565d67f93d1f801308361

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: 12t9YDPgwueZ9NyMgw519p7AA8isjr6SMw 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

12t9YDPgwueZ9NyMgw519p7AA8isjr6SMw

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: 13AM4VW2dhxYgXeQepoHkHSQuy6NgaEb94 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

13AM4VW2dhxYgXeQepoHkHSQuy6NgaEb94

Targets

    • Target

      svchost.exe

    • Size

      31KB

    • MD5

      49b8f905867aded45f1f5b3c9bd84209

    • SHA1

      0a87788428778dba567623ccc9be6825eba4b7c7

    • SHA256

      02883009e7e310bf670bff6336cb6c05c5ecfe0b40274a99b769e8fbfae19ad3

    • SHA512

      1c9d2b7bb3948ad8f3cae541602575b9eacc2a212ab0a6e7c148a24a72e36986e4c46d646244837dc3ea7c71f3db90629f7ee68ef18565d67f93d1f801308361

    • Wannacry

      WannaCry is a ransomware cryptoworm.

    • njRAT/Bladabindi

      Widely used RAT written in .NET.

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • Executes dropped EXE

    • Modifies Windows Firewall

    • 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

Modify Existing Service

1
T1031

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