General

  • Target
    https://cdn.discordapp.com/attachments/1531069890197327922/1543143717676908615/Guns.lol_viewbot.zip?ex=6ab0cd14&is=6aaf7b94&hm=02de834d1139b4d2f2f8bdd8661168e5c23bce035d84305532e8cd0ceadfadf3&
  • Sample260920-jp6rgathlf

Malware Config

Extracted

Language
  • ps1

Source
URLs
  • exe.dropper

    http://5.230.154.109/download/2

  • exe.dropper

    http://5.230.154.109/download/1

  • exe.dropper

    http://5.230.154.109/download/3

Extracted

Language
  • ps1

Source
URLs
  • ps1.dropper

    http://5.230.154.109/download/1

  • ps1.dropper

    http://5.230.154.109/download/3

Targets

    • Target
      https://cdn.discordapp.com/attachments/1531069890197327922/1543143717676908615/Guns.lol_viewbot.zip?ex=6ab0cd14&is=6aaf7b94&hm=02de834d1139b4d2f2f8bdd8661168e5c23bce035d84305532e8cd0ceadfadf3&
    • Detects DonutLoader

    • Detects Overlord RAT

    • Family: DonutLoader

      DonutLoader is a position-independent code that enables in-memory execution of VBScript, JScript, EXE, DLL files and dotNET assemblies.

    • Family: Overlord

      Overlord is an open-source Windows RAT written in Golang.

    • Family: xmrig

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

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • XMRig Miner payload

    • 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 and hide display window.

    • Downloads MZ/PE file

    • Creates new service(s)

    • Executes dropped EXE

    • Loads dropped DLL

    • Registers new Windows logon scripts automatically executed at logon.

    • Stops running service(s)

    • Adds Run key to start application

    • Drops desktop.ini file(s)

    • Looks up external IP address via web service

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

    • Network Share Discovery

      Attempt to gather information on host network.

    • Drops file in System32 directory

    • Executes a VBScript file via the Windows Script Host.

    • Suspicious use of SetThreadContext

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

MITRE ATT&CK Enterprise v16

Tasks