General

  • Target
    261114-b8a5xabx4s_pw_infected.zip
  • Size 154KB
  • Sample261114-cctstabx9t
  • SHA256 c9f910b3e1bda4565a6ca8833201d7f241cd3c6bb78c59f956965d1046a4b50e
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Path
  • C:\Program Files\Common Files\microsoft shared\ClickToRun\readme.txt

  • fog

Ransom Note
  • If you are reading this, then you have been the victim of a cyber attack. We call ourselves Fog and we take responsibility for this incident. You can check out our blog where we post company data: xbkv2qey6u3gd3qxcojynrt4h5sgrhkar6whuo74wo63hijnn677jnyd.onion You might appear there if you opt out of our communication. We are the ones who encrypted your data and also copied some of it to our internal resource. The sooner you contact us, the sooner we can resolve this incident and get you back to work. To contact us you need to have Tor browser installed: 1. Follow this link: xql562evsy7njcsngacphc2erzjfecwotdkobn3m4uxu2gtqh26newid.onion 2. Enter the code: 1KQOWFH2KYTLDJKX7ZTJDNMX 3. Now we can communicate safely. If you are decision-maker, you will get all the details when you get in touch. We are waiting for you.
URLs
  • http://xbkv2qey6u3gd3qxcojynrt4h5sgrhkar6whuo74wo63hijnn677jnyd.onion

  • http://xql562evsy7njcsngacphc2erzjfecwotdkobn3m4uxu2gtqh26newid.onion

Targets

    • Target
      261114-b8a5xabx4s_pw_infected.zip
    • Size 154KB
    • SHA256 c9f910b3e1bda4565a6ca8833201d7f241cd3c6bb78c59f956965d1046a4b50e
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Family: Fog Ransomware

      Fog ransomware is used to attacks educational organizations and was first seen in the spring of 2024.

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • Renames multiple (8096) files with added filename extension

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

    • Credentials from Password Stores: Windows Credential Manager

      Suspicious access to Credentials History.

    • Executes dropped EXE

    • Queries Windows Firewall configuration

      Lists Windows Firewall rules and allowed ports on the host, showing which network traffic or programs can communicate without being blocked.

    • Enumerates connected drives

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

    • Network Service Discovery

      Attempt to gather information on host's network.

    • Discovers running processes

      Running process information can be used to identify security tools or plan follow-on actions.

MITRE ATT&CK Enterprise v16

Tasks