Analysis

  • geolocation tags

    cacanadananorth-americatoronto
  • max time kernel
    898s
  • max time network
    435s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    18/04/2026, 01:32

General

  • Target
    luajit-decomp025/decompile.bat
  • Size 137B
  • Sample260418-byb98aev9x
  • SHA256 2b034d5e3b5b891c2dd73d492363a28617d12ec90c8fe485133abb7bb4294d5c
  • MD5 SHA1 SHA512 TLSH
Score
5/10

Malware Config

Signatures

  • AutoIT Executable 1 IoCs

    AutoIT scripts compiled to PE executables.

  • UPX packed file 2 IoCs

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

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of FindShellTrayWindow 14 IoCs
  • Suspicious use of SendNotifyMessage 14 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\luajit-decomp025\decompile.bat"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:724
    • C:\Users\Admin\AppData\Local\Temp\luajit-decomp025\decoder_new.exe
      decoder_new.exe
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:3788
      • C:\Users\Admin\AppData\Local\Temp\luajit-decomp025\luajit.exe
        luajit -blg test.lua test.asm
        3⤵
        • System Location Discovery: System Language Discovery
        PID:1840

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        memory/3788-0-0x0000000000400000-0x00000000004C1000-memory.dmp

        memory/3788-1-0x00000000004C0000-0x00000000004C1000-memory.dmp

        memory/3788-2-0x0000000000400000-0x00000000004C1000-memory.dmp

        memory/3788-3-0x0000000000180000-0x00000000001C5000-memory.dmp