Analysis

  • max time kernel
    898s
  • max time network
    779s
  • platform
    windows11-21h2_x64
  • resource
    win11-20251216-en
  • resource tags

    arch:x64arch:x86image:win11-20251216-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    17/12/2025, 16:27

General

  • Target
    rpg-maker-vx-ace-1-0-21.exe
  • Size 222.5MB
  • Sample251217-tx8adabt2e
  • SHA256 8b0c547c863e0665a191b7d1d473d26b4aa29b0dbbe27081a765762a7b1fc271
  • MD5 SHA1 SHA512 SSDEEP
Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 3 IoCs
  • Checks installed software on the system 1 TTPs

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

  • Drops file in Program Files directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

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

  • Inno Setup is an open-source installation builder for Windows applications. 7 IoCs

    Inno Setup installer

  • Modifies registry class 30 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\rpg-maker-vx-ace-1-0-21.exe
    "C:\Users\Admin\AppData\Local\Temp\rpg-maker-vx-ace-1-0-21.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:5512
    • C:\Users\Admin\AppData\Local\Temp\is-CS9EO.tmp\rpg-maker-vx-ace-1-0-21.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-CS9EO.tmp\rpg-maker-vx-ace-1-0-21.tmp" /SL5="$50316,233070670,56832,C:\Users\Admin\AppData\Local\Temp\rpg-maker-vx-ace-1-0-21.exe"
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:5504
      • C:\Users\Admin\AppData\Local\Temp\is-8L5LN.tmp\Setup.exe
        "C:\Users\Admin\AppData\Local\Temp\is-8L5LN.tmp\Setup.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:5664
        • C:\Users\Admin\AppData\Local\Temp\is-8M4OG.tmp\Setup.tmp
          "C:\Users\Admin\AppData\Local\Temp\is-8M4OG.tmp\Setup.tmp" /SL5="$50022,140800,0,C:\Users\Admin\AppData\Local\Temp\is-8L5LN.tmp\Setup.exe"
          4⤵
          • Executes dropped EXE
          • Drops file in Program Files directory
          • System Location Discovery: System Language Discovery
          • Suspicious use of FindShellTrayWindow
          PID:5704

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        is-AEII9.tmp

        • Path C:\Program Files (x86)\Enterbrain\RPGVXAce\Generator\Face\is-AEII9.tmp
        • Size 70KB
        • SHA256 b4b1fe94ba267a4f592052065b6df2a858df6428505d397397d4de3f51b65c3b
        • MD5 SHA1 SHA512 SSDEEP

        is-LTJCT.tmp

        • Path C:\Program Files (x86)\Enterbrain\RPGVXAce\Generator\Face\is-LTJCT.tmp
        • Size 25KB
        • SHA256 77d2a8382a86dc9a1596c79f7b28492f6c378098a57f574363c012f403f1ffd5
        • MD5 SHA1 SHA512 SSDEEP

        is-SD5NK.tmp

        • Path C:\Program Files (x86)\Enterbrain\RPGVXAce\Generator\Face\is-SD5NK.tmp
        • Size 59KB
        • SHA256 ca6edc9efe0d1e0e23f859b45aba8ff3c64e193cc446eb21641457c0cbfc2d0a
        • MD5 SHA1 SHA512 SSDEEP

        _shfoldr.dll

        • Path C:\Users\Admin\AppData\Local\Temp\is-89LHE.tmp\_isetup\_shfoldr.dll
        • Size 22KB
        • SHA256 9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87
        • MD5 SHA1 SHA512 SSDEEP

        Setup.exe

        • Path C:\Users\Admin\AppData\Local\Temp\is-8L5LN.tmp\Setup.exe
        • Size 571KB
        • SHA256 3b178f718655dab3c444857b5e6fd755dc611de72dc229de486b3e06d8548fd2
        • MD5 SHA1 SHA512 SSDEEP

        Setup.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\is-8M4OG.tmp\Setup.tmp
        • Size 1.1MB
        • SHA256 89c8d27247ff86f189ebba01e27c47daa184a04c5f002130f9d336ca80d71202
        • MD5 SHA1 SHA512 SSDEEP

        rpg-maker-vx-ace-1-0-21.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\is-CS9EO.tmp\rpg-maker-vx-ace-1-0-21.tmp
        • Size 690KB
        • SHA256 6c0465ce64c07e729c399a338705941d77727c7d089430957df3e91a416e9d2a
        • MD5 SHA1 SHA512 SSDEEP

        memory/5504-12-0x0000000000400000-0x00000000004BC000-memory.dmp

        memory/5504-6-0x0000000002340000-0x0000000002341000-memory.dmp

        memory/5504-1594-0x0000000000400000-0x00000000004BC000-memory.dmp

        memory/5504-519-0x0000000000400000-0x00000000004BC000-memory.dmp

        memory/5504-1553-0x0000000000400000-0x00000000004BC000-memory.dmp

        memory/5504-13-0x0000000002340000-0x0000000002341000-memory.dmp

        memory/5504-1655-0x0000000000400000-0x00000000004BC000-memory.dmp

        memory/5504-1589-0x0000000000400000-0x00000000004BC000-memory.dmp

        memory/5504-3166-0x0000000000400000-0x00000000004BC000-memory.dmp

        memory/5504-3170-0x0000000000400000-0x00000000004BC000-memory.dmp

        memory/5504-15-0x0000000000400000-0x00000000004BC000-memory.dmp

        memory/5512-11-0x0000000000400000-0x0000000000414000-memory.dmp

        memory/5512-0-0x0000000000400000-0x0000000000414000-memory.dmp

        memory/5512-3171-0x0000000000400000-0x0000000000414000-memory.dmp

        memory/5664-1577-0x000000000041E000-0x000000000041F000-memory.dmp

        memory/5664-1591-0x0000000000400000-0x000000000042D000-memory.dmp

        memory/5664-3169-0x0000000000400000-0x000000000042D000-memory.dmp

        memory/5664-1575-0x0000000000400000-0x000000000042D000-memory.dmp

        memory/5704-1617-0x0000000000400000-0x0000000000526000-memory.dmp

        memory/5704-1590-0x0000000000400000-0x0000000000526000-memory.dmp

        memory/5704-2905-0x0000000000400000-0x0000000000526000-memory.dmp

        memory/5704-1587-0x0000000000400000-0x0000000000526000-memory.dmp

        memory/5704-3168-0x0000000000400000-0x0000000000526000-memory.dmp

        memory/5704-1582-0x0000000000400000-0x0000000000526000-memory.dmp