Analysis

  • user interaction
    yes
  • max time kernel
    153s
  • max time network
    174s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    09/08/2026, 11:07

General

  • Target
    Plugins/deckadance_install.exe
  • Size 61.7MB
  • Sample260809-m79gvsdr4w
  • SHA256 e78d143416d04bbf0e2617c6c3429a6e3f8e7fa08f87c00bae94e80cfd849fd5
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 15 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 60 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • 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.

  • NSIS installer 2 IoCs
  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Plugins\deckadance_install.exe
    "C:\Users\Admin\AppData\Local\Temp\Plugins\deckadance_install.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1152
    • C:\Users\Admin\AppData\Local\Temp\shareddlls_install.exe
      "C:\Users\Admin\AppData\Local\Temp\shareddlls_install.exe" /S
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      PID:5992

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        AccessControl.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsb2A5F.tmp\AccessControl.dll
        • Size 10KB
        • SHA256 4209588362785b690d08d15cd982b8d1c62c348767ca19114234b21d5df74ddc
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ILInstallUtil.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsb2A5F.tmp\ILInstallUtil.dll
        • Size 343KB
        • SHA256 32b674a0de4577544e138b7675110a6f09a99dd576a8b847af6a8e5976002325
        • MD5 SHA1 SHA512 SSDEEP TLSH

        InstallOptions.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsq34FE.tmp\InstallOptions.dll
        • Size 14KB
        • SHA256 c9cd5c9609e70005926ae5171726a4142ffbcccc771d307efcd195dafc1e6b4b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        UserInfo.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsq34FE.tmp\UserInfo.dll
        • Size 4KB
        • SHA256 564c80dec62d76c53497c40094db360ff8a36e0dc1bda8383d0f9583138997f5
        • MD5 SHA1 SHA512 TLSH

        ioA.ini

        • Path C:\Users\Admin\AppData\Local\Temp\nsq34FE.tmp\ioA.ini
        • Size 509B
        • SHA256 b3334ba7b25cb1b4e1c5118af17bd71c3c692eadb2dcc390683f288565afce40
        • MD5 SHA1 SHA512 TLSH

        ioDirQuestion.ini

        • Path C:\Users\Admin\AppData\Local\Temp\nsq34FE.tmp\ioDirQuestion.ini
        • Size 900B
        • SHA256 17a6d0af7f47b0b09f9a22a23b06b9173f324e6b0c9ed539739f48ec64efe3b3
        • MD5 SHA1 SHA512 TLSH

        ioDirQuestion.ini

        • Path C:\Users\Admin\AppData\Local\Temp\nsq34FE.tmp\ioDirQuestion.ini
        • Size 991B
        • SHA256 d85f9a7b50573441f172c87c5e54e20df79831728f7b62595cc73e8a1873a0f1
        • MD5 SHA1 SHA512 TLSH

        ioDirQuestion.ini

        • Path C:\Users\Admin\AppData\Local\Temp\nsq34FE.tmp\ioDirQuestion.ini
        • Size 1000B
        • SHA256 3679fbd9fe735129ef5a470f827ff2f06d3604641de14cfe588aeb03f50c8bae
        • MD5 SHA1 SHA512 TLSH

        ioSpecial.ini

        • Path C:\Users\Admin\AppData\Local\Temp\nsq34FE.tmp\ioSpecial.ini
        • Size 731B
        • SHA256 87a754742dfd2949809ac30f5e20d35b93bbc6c945fd98666fb3a15c98c14379
        • MD5 SHA1 SHA512 TLSH

        shareddlls_install.exe

        • Path C:\Users\Admin\AppData\Local\Temp\shareddlls_install.exe
        • Size 9.4MB
        • SHA256 f08d223856f9f035dd76eead3394a9a44bb8354d3f07944b5aae52dd152206e9
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1152-158-0x00000000060F0000-0x0000000006150000-memory.dmp

        memory/1152-307-0x00000000006A0000-0x0000000000700000-memory.dmp

        memory/1152-391-0x00000000006E0000-0x0000000000740000-memory.dmp

        memory/5992-12-0x0000000003060000-0x00000000030C0000-memory.dmp