Resubmissions

11-09-2022 14:34

220911-rxrlhsbge3 1

08-09-2022 19:38

220908-ychw7sfeh3 10

General

  • Target

    ab05429b80e03f2a212649ae556bf537

  • Size

    3.6MB

  • Sample

    220908-ychw7sfeh3

  • MD5

    ab05429b80e03f2a212649ae556bf537

  • SHA1

    ce7442383762ee88d86a7d723302c3f68a1f2bf5

  • SHA256

    837e0dad3ada52cbe95e1b088ec1d48c62a66a9fe08323ec54242a0970a34a99

  • SHA512

    c7d966d335df847ccfd86a79063a52d07faa990b963aa5c143973e57334a9fe3c16132576adc404f6cbaea55bea0c55c8fc68422a73e1da052e7af80fa96d290

  • SSDEEP

    98304:9hqPoBhz1aRxcSUDk36SAEdhvxWa9P593R8yAVp2g3V:9hqPe1Cxcxk3ZAEUadzR8yc4gl

Malware Config

Extracted

Path

C:\ProgramData\swneyqrjnjqirt647\@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

Targets

    • Target

      ab05429b80e03f2a212649ae556bf537

    • Size

      3.6MB

    • MD5

      ab05429b80e03f2a212649ae556bf537

    • SHA1

      ce7442383762ee88d86a7d723302c3f68a1f2bf5

    • SHA256

      837e0dad3ada52cbe95e1b088ec1d48c62a66a9fe08323ec54242a0970a34a99

    • SHA512

      c7d966d335df847ccfd86a79063a52d07faa990b963aa5c143973e57334a9fe3c16132576adc404f6cbaea55bea0c55c8fc68422a73e1da052e7af80fa96d290

    • SSDEEP

      98304:9hqPoBhz1aRxcSUDk36SAEdhvxWa9P593R8yAVp2g3V:9hqPe1Cxcxk3ZAEUadzR8yc4gl

    • 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

    • Drops file in System32 directory

    • 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

1
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

1
T1490

Defacement

1
T1491

Tasks