General

  • Target
    Masonas.exe
  • Size 90KB
  • Sample260624-yk3ataft3k
  • SHA256 f6c1d3d1abe0804ddfb765cd9775c5afe49461bd30f5c9b7eef865710ec29d4e
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      Masonas.exe
    • Size 90KB
    • SHA256 f6c1d3d1abe0804ddfb765cd9775c5afe49461bd30f5c9b7eef865710ec29d4e
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Detects DonutLoader

    • Family: DonutLoader

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

    • Badlisted process makes network request

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

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • Command and Scripting Interpreter: PowerShell

      Powershell Invoke Web Request.

    • Checks computer location settings

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

    • Executes dropped EXE

    • Adds Run key to start application

    • Contacts third-party web service commonly abused for C2

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

MITRE ATT&CK Enterprise v16

Tasks