General

  • Target
    update1.exe
  • Size 2.7MB
  • Sample260626-phb66sbs6t
  • SHA256 4f6994cecd3217d539b791710f0988e0c69c5d05f0ddd2c034b373383e2c1d43
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      update1.exe
    • Size 2.7MB
    • SHA256 4f6994cecd3217d539b791710f0988e0c69c5d05f0ddd2c034b373383e2c1d43
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Detects MilleniumRAT stealer

    • Family: MilleniumRat

      MilleniumRat is a remote access trojan written in C#.

    • Family: xmrig

      XMRig is a high performance, open source, cross platform CPU/GPU miner.

    • Modifies Windows Defender DisableAntiSpyware settings

    • Modifies Windows Defender Real-time Protection settings

    • Modifies Windows Defender notification settings

    • XMRig Miner payload

    • 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

      Powershell Invoke Web Request.

    • Disables one or more Microsoft Defender components

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

    • Uses browser remote debugging

      Can be used control the browser and steal sensitive information such as credentials and session cookies.

    • Cryptocurrency Miner

      Makes network request to known mining pool URL.

    • Disables service(s)

    • Executes dropped EXE

    • Reads user/profile data of web browsers

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

    • Stops running service(s)

    • 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.

    • Looks up external IP address via web service

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

MITRE ATT&CK Enterprise v16

Tasks