Resubmissions

26-10-2021 12:42

211026-pxvxtshdf8 10

26-10-2021 12:41

211026-pw9plahdf5 10

General

  • Target

    sample1_BINFILE.zip

  • Size

    3.3MB

  • Sample

    211026-pxvxtshdf8

  • MD5

    18b1634000adb6ab37c92a5728098de6

  • SHA1

    63495049774b3f748492e6f0f76789313eca546c

  • SHA256

    943073c5dc8dc0a04d44490f47d05a645009038ebe11a55107471f23e15cdf7b

  • SHA512

    39b977b7b26eb0eed75d82d0ef6f300698d43b4fa1ad01684af822fd817811f3a59ad0c9d325f3530bf9f1c78c470bf455f8a8917e75c63fdd657a265801e084

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

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

      db28ec41adb0407d75fd2e95cfbfee2ab8053700a78933e5091b7bc1741feea4.bin.sample

    • Size

      3.4MB

    • MD5

      8ca0780db84fa71fee7a6a3dec66fd57

    • SHA1

      096cc82acd58ea61a532c05e9bde7ed102cade40

    • SHA256

      db28ec41adb0407d75fd2e95cfbfee2ab8053700a78933e5091b7bc1741feea4

    • SHA512

      273f93b62682158b06e28b553579c0b36ea60f25aec095827fda00f3fe2465f30fc07ca1b579bbbecbc3296a33555e862f675f3f70a4450f8205f8c5cb58235b

    • 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