General

  • Target

    WannaCryptor-main.zip

  • Size

    3MB

  • Sample

    231206-xp2dmsca37

  • MD5

    52ec54ad34ae22e8c4d914923acda6e8

  • SHA1

    0ae253c424e073fa1ce6a05a9df12d529f3f9e26

  • SHA256

    10dd27f044ae73ffcdc34edf61a029e5568859b75e353fc7c1c2dfd5acfd8325

  • SHA512

    9f440a1eec228294543f817cd785a88fd8bd530253b7293f52f566e9b5f196a6854e57412e9d82b5441cf5d2e71921a33cb4bc797707a8c4f7f0c5c323c7f96c

  • SSDEEP

    98304:0B7TUkt1NCLt2SUlW/6GQkBhLp0ClD/5vVayInJOo3x:0jNct2TW/rQk6CN1VayQUoB

Malware Config

Extracted

Path

C:\Users\Admin\Documents\@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

      WannaCryptor-main/WannaCry/WannaCrypt0r.exe

    • Size

      3MB

    • MD5

      84c82835a5d21bbcf75a61706d8ab549

    • SHA1

      5ff465afaabcbf0150d1a3ab2c2e74f3a4426467

    • SHA256

      ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa

    • SHA512

      90723a50c20ba3643d625595fd6be8dcf88d70ff7f4b4719a88f055d5b3149a4231018ea30d375171507a147e59f73478c0c27948590794554d031e7d54b7244

    • SSDEEP

      98304:QqPoBhz1aRxcSUDk36SAEdhvxWa9P593R8yAVp2g3x:QqPe1Cxcxk3ZAEUadzR8yc4gB

    • Wannacry

      WannaCry is a ransomware cryptoworm.

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • Drops startup file

    • Executes dropped EXE

    • 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 v13

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Indicator Removal

2
T1070

File Deletion

2
T1070.004

File and Directory Permissions Modification

1
T1222

Modify Registry

3
T1112

Hide Artifacts

1
T1564

Hidden Files and Directories

1
T1564.001

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

System Information Discovery

1
T1082

Collection

Data from Local System

1
T1005

Impact

Inhibit System Recovery

2
T1490

Defacement

1
T1491

Tasks