General

  • Target
    2025-01-30_e268d6f87640a4031cde75775c37e289_chaos_destroyer_wannacry
  • Size 24KB
  • Sample250130-tx9hfawnft
  • SHA256 a5379455e745a667baa6b3f6e76dcd161b55d136cc5ccdc3a38f793bc2e51060
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Path
  • C:\Users\Admin\Documents\read_it.txt

  • chaos

Ransom Note
  • ----> Chaos is multi language ransomware. Translate your note to any language <---- All of your files have been encrypted Your computer was infected with a ransomware virus. Your files have been encrypted and you won't be able to decrypt them without our help.What can I do to get my files back?You can buy our special decryption software, this software will allow you to recover all of your data and remove the ransomware from your computer.The price for the software is $1000. Payment can be made in Bitcoin only. How do I pay, where do I get Bitcoin? Purchasing Bitcoin varies from country to country, you are best advised to do a quick google search yourself to find out how to buy Bitcoin. Many of our customers have reported these sites to be fast and reliable: Coinmama - hxxps://www.coinmama.com Bitpanda - hxxps://www.bitpanda.com Payment informationAmount: 0.1473766 BTC Bitcoin Address: bc1qlnzcep4l4ac0ttdrq7awxev9ehu465f2vpt9x0 A VIDEO SHOW YOU HOW THE SOFTWARE DECRYPT YOUR FILES YOU HAVE ONE WEEK , YOU HAVE TWO CHOICES : PAY OR LOOSE YOUR FILES :') GOOD LUCK

Targets

    • Target
      2025-01-30_e268d6f87640a4031cde75775c37e289_chaos_destroyer_wannacry
    • Size 24KB
    • SHA256 a5379455e745a667baa6b3f6e76dcd161b55d136cc5ccdc3a38f793bc2e51060
    • MD5 SHA1 SHA512 SSDEEP
    • Chaos

      Ransomware family first seen in June 2021.

    • Chaos Ransomware

    • Chaos family

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • Modifies boot configuration data using bcdedit

    • Renames multiple (220) files with added filename extension

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

    • Deletes backup catalog

      Uses wbadmin.exe to inhibit system recovery.

    • 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)

MITRE ATT&CK Enterprise v15

Tasks