General

  • Target
    所得税の確定申告に係る納税通知書4.zip
  • Size 120KB
  • Sample260915-hmt48ashld
  • SHA256 ba0a76532db536e62034c212536f3e60594cd2248fdedc9ba73b8a2380367f99
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      所得税の確定申告に係る納税通知書4.zip
    • Size 120KB
    • SHA256 ba0a76532db536e62034c212536f3e60594cd2248fdedc9ba73b8a2380367f99
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • 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.

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

    • Looks up external IP address via web service

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

    • Target
      event.dll
    • Size 52KB
    • SHA256 61df4487225b6af0d2bcc6e4332603d82c72d9a058517b208eeb89533ff3f02d
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • 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.

    • Badlisted process makes network request

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

    • Executes dropped EXE

    • Adds Run key to start application

    • 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