Resubmissions

11/11/2025, 15:40

251111-s39jysykcr

07/11/2025, 11:02

251107-m44gfatkaz10

01/11/2025, 15:59

251101-te8s7aew3e10

General

  • Target
    b8e71845cc8ccd668a3436d1952a6c57649974bb8399e599dc33afc4c0843be7.zip
  • Size 1.6MB
  • Sample251101-te8s7aew3e
  • SHA256 7f28d26cbda14fd1ede297bb187aa59b92ee3f05889961b3fb5c692603f3127c
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Path
  • C:\Users\Admin\AppData\Local\Adobe\Color\Profiles\_README_HELLCAT_.txt

  • hellcat

Ransom Note
  • All your files have been encrypted by the HELLCAT Ransomware Group. This includes documents, source codes, and any other important data on your system. To regain access to your files, you must pay a ransom of $xxx,xxx USD in Monero (XMR) or Bitcoin (BTC). If you fail to make the payment within 336 hours, your files will be permanently encrypted, leaked, and no further attempts to contact us will be entertained. Once you pay, we will provide you with a decryption key that will unlock your files. Failure to comply with these demands will result in irreversible loss of your files. We recommend you act swiftly and make the payment to avoid the permanent loss of your valuable data. Your cooperation is appreciated. If you have any questions or need assistance, refer to the contact information provided below. We will respond to your queries as soon as possible. We are open to negotiating, so feel free to contact us. Your victim hash: xxxxxxxx Providing us with the victim hash will help us prove your identity. If no hash is provided, we won't negotiate. Read this wiki to set up TOX: https://wiki.tox.chat/start Read this wiki to set up XMPP: https://wiki.xmpp.org/web/Main_Page Our Onion site: http://hellcakbszllztlyqbjzwcbdhfrodx55wq77kmftp4bhnhsnn5r3odad.onion TOX: 898923FE0699CFE1EFD17773425DECB080840877C29F883D389D6880B2B961737FACE98E82E4 XMPP: [email protected] - HELLCAT Ransomware
URLs
  • https://wiki.tox.chat/start

  • https://wiki.xmpp.org/web/Main_Page

  • http://hellcakbszllztlyqbjzwcbdhfrodx55wq77kmftp4bhnhsnn5r3odad.onion

Targets

    • Target
      b8e71845cc8ccd668a3436d1952a6c57649974bb8399e599dc33afc4c0843be7.exe
    • Size 2.8MB
    • SHA256 b8e71845cc8ccd668a3436d1952a6c57649974bb8399e599dc33afc4c0843be7
    • MD5 SHA1 SHA512 SSDEEP
    • Hellcat

      Hellcat is a cross-platform ransomware written in Golang.

    • Hellcat family

    • Credentials from Password Stores: Windows Credential Manager

      Suspicious access to Credentials History.

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Enumerates connected drives

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

    • Enumerates processes with tasklist

MITRE ATT&CK Enterprise v16

Tasks