Analysis

  • user interaction
    yes
  • max time kernel
    150s
  • max time network
    190s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-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 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 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:1588
    • 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:1496

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        InstallOptions.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsi312A.tmp\InstallOptions.dll
        • Size 14KB
        • SHA256 c9cd5c9609e70005926ae5171726a4142ffbcccc771d307efcd195dafc1e6b4b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        UserInfo.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsi312A.tmp\UserInfo.dll
        • Size 4KB
        • SHA256 564c80dec62d76c53497c40094db360ff8a36e0dc1bda8383d0f9583138997f5
        • MD5 SHA1 SHA512 TLSH

        ioA.ini

        • Path C:\Users\Admin\AppData\Local\Temp\nsi312A.tmp\ioA.ini
        • Size 457B
        • SHA256 a024cf0d135511cca7f388549fefc568e2e91f361fa9f07ead7fef1b1844b1d6
        • MD5 SHA1 SHA512 TLSH

        ioDirQuestion.ini

        • Path C:\Users\Admin\AppData\Local\Temp\nsi312A.tmp\ioDirQuestion.ini
        • Size 804B
        • SHA256 047656a120577baccda7b559d0933f967dab1e2fb4bb639f3c4aa2aa4bcd7259
        • MD5 SHA1 SHA512 TLSH

        ioDirQuestion.ini

        • Path C:\Users\Admin\AppData\Local\Temp\nsi312A.tmp\ioDirQuestion.ini
        • Size 900B
        • SHA256 17a6d0af7f47b0b09f9a22a23b06b9173f324e6b0c9ed539739f48ec64efe3b3
        • MD5 SHA1 SHA512 TLSH

        ioDirQuestion.ini

        • Path C:\Users\Admin\AppData\Local\Temp\nsi312A.tmp\ioDirQuestion.ini
        • Size 1000B
        • SHA256 a4cbec99a73953e22ea75896c8f4352751f1424a144ef60cfd86ed40a5d1a8ee
        • MD5 SHA1 SHA512 TLSH

        ioSpecial.ini

        • Path C:\Users\Admin\AppData\Local\Temp\nsi312A.tmp\ioSpecial.ini
        • Size 692B
        • SHA256 9e0737af65acb08d9ae2deab1e92d70acde4f0b51256983800a8e97d0fdf7229
        • MD5 SHA1 SHA512 TLSH

        AccessControl.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsp27F3.tmp\AccessControl.dll
        • Size 10KB
        • SHA256 4209588362785b690d08d15cd982b8d1c62c348767ca19114234b21d5df74ddc
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ILInstallUtil.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsp27F3.tmp\ILInstallUtil.dll
        • Size 343KB
        • SHA256 32b674a0de4577544e138b7675110a6f09a99dd576a8b847af6a8e5976002325
        • MD5 SHA1 SHA512 SSDEEP 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/1496-11-0x0000000002ED0000-0x0000000002F30000-memory.dmp

        memory/1588-157-0x0000000005530000-0x0000000005590000-memory.dmp

        memory/1588-306-0x0000000000550000-0x00000000005B0000-memory.dmp

        memory/1588-390-0x00000000007F0000-0x0000000000850000-memory.dmp