Resubmissions

06/11/2024, 06:32

241106-hawghswepq7

06/11/2024, 06:24

241106-g6hpvswajf10

06/11/2024, 04:29

241106-e4bsestnhx10

General

  • Target
    script-mad-city-7
  • Size 7KB
  • Sample241106-e4bsestnhx
  • SHA256 fab320941a27be2dcce314470f9df44e72e3fa96432900a0bb5075453fda384b
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Path
  • 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 "@[email protected]". 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\Downloads\!Please Read Me!.txt

  • 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: 15zGqZCTcys6eCjDkE3DypCjXi6QWRV6V1 Next, please find the decrypt software on your desktop, an executable file named "!WannaDecryptor!.exe". If it does not exsit, download the software from the address below. (You may need to disable your antivirus for a while.) rar password: wcry123 Run and follow the instructions! �
Wallets
  • 15zGqZCTcys6eCjDkE3DypCjXi6QWRV6V1

Targets

    • Target
      script-mad-city-7
    • Size 7KB
    • SHA256 fab320941a27be2dcce314470f9df44e72e3fa96432900a0bb5075453fda384b
    • MD5 SHA1 SHA512 SSDEEP
    • BadRabbit

      Ransomware family discovered in late 2017, mainly targeting Russia and Ukraine.

    • Badrabbit family

    • Dharma

      Dharma is a ransomware that uses security software installation to hide malicious activities.

    • Dharma family

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • Spora

      Spora is a ransomware application that will encrypt files on a victim machine.

    • Spora family

    • Wannacry

      WannaCry is a ransomware cryptoworm.

    • Wannacry family

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • Modifies boot configuration data using bcdedit

    • Renames multiple (550) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Checks computer location settings

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

    • Credentials from Password Stores: Windows Credential Manager

      Suspicious access to Credentials History.

    • Deletes itself

    • 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

    • Drops desktop.ini file(s)

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • File and Directory Permissions Modification: Windows File and Directory Permissions Modification

    • Legitimate hosting services abused for malware hosting/C2

    • Drops file in System32 directory

    • Sets desktop wallpaper using registry

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks