Resubmissions

09/08/2024, 10:31

240809-mkfahatbrb10

09/08/2024, 01:01

240809-bdhaqsxdqf10

09/08/2024, 00:36

240809-ax6l1axbjf10

General

  • Target
    FridayBoycrazyV2.exe
  • Size 280KB
  • Sample240809-mkfahatbrb
  • SHA256 0ef2768bdfaa0b953a5c498f18bbf2df5dce249eaf2044474c476c4367c535b5
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

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

Ransom Note
  • Your files has been encrypted By FridayBoycrazy 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 $100 Dollars can be made in Venmo Or Robux only Please Contact Us At Gmail: [email protected] Discord Username: fridayboycrazy Payment information Venmo Amount: $100 Robux Payment Information: 10,000 Paid Ransom: https://www.roblox.com/game-pass/887175972 Paid Ransom: https://venmo.com/u/gratefulcode
URLs
  • https://www.roblox.com/game-pass/887175972

  • https://venmo.com/u/gratefulcode

Targets

    • Target
      FridayBoycrazyV2.exe
    • Size 280KB
    • SHA256 0ef2768bdfaa0b953a5c498f18bbf2df5dce249eaf2044474c476c4367c535b5
    • 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.

    • Modifies boot configuration data using bcdedit

    • 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)

    • Sets desktop wallpaper using registry

MITRE ATT&CK Enterprise v15

Tasks