General

  • Target
    Be sure u want to open this.zip
  • Size 9.2MB
  • Sample260703-zstjbact5p
  • SHA256 3dd48400f700218bc149ec5a910d5712c38f34969cb7cbaa65bdf416e1c7c7fd
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Language
  • ps1

Deobfuscated
Source
URLs
  • exe.dropper

    https://raw.githubusercontent.com/lemurfox-samanthamedora-northkorean-spy/north-korean-programs/refs/heads/main/Naenara.exe

Targets

    • Target
      Be sure u want to open this/goonerware.installer.bat
    • Size 2KB
    • SHA256 bce6f68a7d83cfbe6125d72e2496921a1f29cf3cfbe21fa00ca66469b19ca07d
    • MD5 SHA1 SHA512 TLSH
    • 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.

    • Disables Task Manager via registry modification

    • Downloads MZ/PE file

    • Possible privilege escalation attempt

    • Executes dropped EXE

    • Modifies file permissions

    • Checks whether UAC is enabled

    • Contacts third-party web service commonly abused for C2

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

    • File and Directory Permissions Modification: Windows File and Directory Permissions Modification

    • Modifies WinLogon

    • UPX packed file

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

MITRE ATT&CK Enterprise v16

Tasks