General

  • Target
    https://cdn.discordapp.com/attachments/1560686877172961282/1560745930683056251/nitrogen.exe?ex=6ad47e2b&is=6ad32cab&hm=9dbb5acd2f663129d0abd2e6673c76a206098f2fcf6ecc8e2c50cb9b1f2c839b&
  • Sample261017-x475qscv21

Malware Config

Targets

    • Target
      https://cdn.discordapp.com/attachments/1560686877172961282/1560745930683056251/nitrogen.exe?ex=6ad47e2b&is=6ad32cab&hm=9dbb5acd2f663129d0abd2e6673c76a206098f2fcf6ecc8e2c50cb9b1f2c839b&
    • Disables Task Manager via registry modification

    • Disables one or more Microsoft Defender components

      Uses the Powershell Set-MpPreference cmdlet to disable one or more Microsoft Defender components.

    • Downloads MZ/PE file

    • Modifies Windows Firewall

    • Credentials from Password Stores: Windows Credential Manager

      Suspicious access to Credentials History.

    • 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.

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Contacts third-party web service commonly abused for C2

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

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Discovers running processes

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

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v16

Tasks