General

  • Target

    BadRabbit.zip

  • Size

    393KB

  • Sample

    230604-scp3madb4w

  • MD5

    61da9939db42e2c3007ece3f163e2d06

  • SHA1

    4bd7e9098de61adecc1bdbd1a01490994d1905fb

  • SHA256

    ea8ccb8b5ec36195af831001b3cc46caedfc61a6194e2568901e7685c57ceefa

  • SHA512

    14d0bc14a10e5bd8022e7ab4a80f98600f84754c2c80e22a8e3d9f9555dde5bad056d925576b29fc1a37e73c6ebca693687b47317a469a7dfdc4ab0f3d97a63e

  • SSDEEP

    12288:KPd6ZnyRPZJhKymLkH+yDXZEyfMrvDca6:Koy5ZJ7BeeXmb8a6

Malware Config

Extracted

Path

C:\Users\Admin\Downloads\WannaCrypt0r\@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

      BadRabbit.zip

    • Size

      393KB

    • MD5

      61da9939db42e2c3007ece3f163e2d06

    • SHA1

      4bd7e9098de61adecc1bdbd1a01490994d1905fb

    • SHA256

      ea8ccb8b5ec36195af831001b3cc46caedfc61a6194e2568901e7685c57ceefa

    • SHA512

      14d0bc14a10e5bd8022e7ab4a80f98600f84754c2c80e22a8e3d9f9555dde5bad056d925576b29fc1a37e73c6ebca693687b47317a469a7dfdc4ab0f3d97a63e

    • SSDEEP

      12288:KPd6ZnyRPZJhKymLkH+yDXZEyfMrvDca6:Koy5ZJ7BeeXmb8a6

    • Suspicious use of NtCreateProcessExOtherParentProcess

    • Wannacry

      WannaCry is a ransomware cryptoworm.

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • Downloads MZ/PE file

    • Modifies extensions of user files

      Ransomware generally changes the extension on encrypted files.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • 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

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Legitimate hosting services abused for malware hosting/C2

    • 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

Query Registry

6
T1012

System Information Discovery

5
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

1
T1005

Command and Control

Web Service

1
T1102

Impact

Inhibit System Recovery

1
T1490

Defacement

1
T1491

Tasks