General

  • Target
    2024-06-16_1edae706b6ba5c74c4e614551bb50add_wannacry
  • Size 211KB
  • Sample240616-e1p6mszbkd
  • SHA256 d8d7964db066a0d46060fbff334cf56292ba4dbba875d86e59a24e75841c85eb
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Path
  • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Crashpad\readme.txt

  • chaos

Ransom Note
  • ----> Chaos is multi language ransomware. Translate your note to any language <---- All of your files have been encrypted your machine has just been infected by Lockbit 3.0 All your data has been encrypted and cannot be decrypted without our help. If you wish to recover your data, you must pay 180 euros/dollars in btc. You have 7 days. If you refuse to pay, or pay only part of the fee, your files will be permanently deleted. Modifying or decrypting your data yourself may lead to complications and our decryption tool will be ineffective. We are lockbit, a group that generally attacks companies. We have been active since 2017. Our movement is not political. What's the guarantee that we'll restore your files? Lockbit just wants your money, this thing, this piece piece of paper so meaningless. Deleting your data won't do us any good. The choice is yours. Once you've paid the ransom, let us know by sending an e-mail to [email protected], specifying the date and time of payment and this unique code which will enable us to identify which machine to restore: 835534. Payment informationAmount:Dependsoncurrency BTC Bitcoin Address: bc1qvnsaalef5t0ymae0vzk69hxng8xfjudn0pu6h9

Targets

    • Target
      2024-06-16_1edae706b6ba5c74c4e614551bb50add_wannacry
    • Size 211KB
    • SHA256 d8d7964db066a0d46060fbff334cf56292ba4dbba875d86e59a24e75841c85eb
    • 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

    • 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.

    • Drops desktop.ini file(s)

    • Sets desktop wallpaper using registry

MITRE ATT&CK Enterprise v15

Tasks