Analysis

  • user interaction
    yes
  • max time kernel
    74s
  • max time network
    80s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    29/07/2026, 07:40

General

  • Target
    FastClient-Setup.exe
  • Size 25.3MB
  • Sample260729-jht44afa66
  • SHA256 29d18a9cd13ccdaaf3df300db76bb3e81c3eb60b5fdb2f4ff69437d4f1f9ebca
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
4/10

Malware Config

Signatures

  • Checks installed software on the system 1 TTPs

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

  • Loads dropped DLL 6 IoCs
  • Enumerates physical storage devices 1 TTPs

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

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

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\FastClient-Setup.exe
    "C:\Users\Admin\AppData\Local\Temp\FastClient-Setup.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    PID:960

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        FastClient.exe

        • Path C:\Users\Admin\AppData\Local\FastClient\FastClient.exe
        • Size 33.6MB
        • SHA256 b53a2d95b1825729052bf204be8aa46320abe6034f4a2af894a5e9bdc36abaa5
        • MD5 SHA1 SHA512 SSDEEP TLSH

        System.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsr8D7.tmp\System.dll
        • Size 12KB
        • SHA256 8b4c47c4cf5e76ec57dd5a050d5acd832a0d532ee875d7b44f6cdaf68f90d37c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        modern-wizard.bmp

        • Path C:\Users\Admin\AppData\Local\Temp\nsr8D7.tmp\modern-wizard.bmp
        • Size 25KB
        • SHA256 3ad2dc318056d0a2024af1804ea741146cfc18cc404649a44610cbf8b2056cf2
        • MD5 SHA1 SHA512 SSDEEP TLSH

        nsDialogs.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsr8D7.tmp\nsDialogs.dll
        • Size 9KB
        • SHA256 b1350f487692057c8ffde75dcc55287a52a3272240d4d4912f24464b27551fc0
        • MD5 SHA1 SHA512 SSDEEP TLSH

        nsis_tauri_utils.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsr8D7.tmp\nsis_tauri_utils.dll
        • Size 42KB
        • SHA256 b42cffbed0e96395fe415329b82d89cab38bae2788214ee01c226898a295a548
        • MD5 SHA1 SHA512 SSDEEP TLSH