General

  • Target
    2024-03-20_6f014d20774a7ec9869e54fe3d977f11_wannacry
  • Size 127KB
  • Sample240320-gm124aaa48
  • SHA256 3688345fc9eaee1073bfb24872d397a180a784e263b7a3b0ef91a8cd2bdad747
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Path
  • C:\ProgramData\Adobe\Updater6\read_it.txt

Ransom Note
  • Don't worry, you can return all your files! All your files like documents, photos, databases and other important are encrypted What guarantees do we give to you? You can send 3 of your encrypted files and we decrypt it for free. You must follow these steps To decrypt your files : 1) Write on our e-mail :[email protected] ( In case of no answer in 24 hours check your spam folder or write us to this e-mail: [email protected]) 2) Obtain Bitcoin (You have to pay for decryption in Bitcoins. After payment we will send you the tool that will decrypt all your files.)

Targets

    • Target
      2024-03-20_6f014d20774a7ec9869e54fe3d977f11_wannacry
    • Size 127KB
    • SHA256 3688345fc9eaee1073bfb24872d397a180a784e263b7a3b0ef91a8cd2bdad747
    • MD5 SHA1 SHA512 SSDEEP
    • Chaos

      Ransomware family first seen in June 2021.

    • Chaos Ransomware

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • Detects command variations typically used by ransomware

    • Detects executables containing many references to VEEAM. Observed in ransomware

    • Modifies boot configuration data using bcdedit

    • Deletes backup catalog

      Uses wbadmin.exe to inhibit system recovery.

    • Disables Task Manager via registry modification

    • Checks computer location settings

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

    • Drops startup file

    • Executes dropped EXE

    • 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)

    • Sets desktop wallpaper using registry

MITRE ATT&CK Enterprise v15

Tasks