General

  • Target
    https://cdn.discordapp.com/attachments/1526407467511189574/1531610330373951539/tisleak_xen_2907.zip?ex=6a69d6c6&is=6a688546&hm=6248a36156fe29c8efa3a91b13e7faa5f65b7dbdef0b2be6621e5ec39b703946&
  • Sample260728-mlhr1svanf

Malware Config

Extracted

Language
  • ps1

Source
URLs
  • exe.dropper

    https://racist.pics/license/authcheck

Targets

    • Target
      https://cdn.discordapp.com/attachments/1526407467511189574/1531610330373951539/tisleak_xen_2907.zip?ex=6a69d6c6&is=6a688546&hm=6248a36156fe29c8efa3a91b13e7faa5f65b7dbdef0b2be6621e5ec39b703946&
    • Detects DonutLoader

    • Family: DonutLoader

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

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • Downloads MZ/PE file

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Hide Artifacts: Hidden Window

      Windows that would typically be displayed when an application carries out an operation can be hidden.

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v16

Tasks