General

  • Target
    xsetfortniteoptimization_sideloader (2).zip
  • Size 11.6MB
  • Sample260905-gamc6sxdrh
  • SHA256 fb551c366957d12d9b7aec0d36d2f7cee529a318c240c56c0e67441330bc2cfd
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Language
  • ps1

Deobfuscated
Source
URLs
  • ps1.dropper

    https://fbijohn.com/wp-content/uploads/2023/06/FBI_headpic-1024x576.jpg

  • exe.dropper

    https://github.com/johntompson/johny/releases/download/v1.0/JohnyApp.exe

Targets

    • Target
      xsetfortniteoptimization_sideloader (2).zip
    • Size 11.6MB
    • SHA256 fb551c366957d12d9b7aec0d36d2f7cee529a318c240c56c0e67441330bc2cfd
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Badlisted process makes network request

      Network request originating from process or tool commonly abused by malware.

    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Downloads MZ/PE file

    • Modifies Windows Firewall

    • Creates a file in the Startup directory

      A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Contacts third-party web service commonly abused for C2

      Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

    • Enumerates connected drives

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

    • ConfuserEx .NET packer

      Detects ConfuserEx .NET packer.

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v16

Tasks