Overview

overview

7

Static

static

3

899ac801d3...a8.exe

windows10-2004-x64

7

899ac801d3...a8.exe

windows11-ltsc_2024-x64

7

Analysis

  • max time kernel
    150s
  • max time network
    155s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    10/09/2026, 23:58

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General

  • Target
    899ac801d3e1c44c1e58072b8944be409f1303f1e8845ac42de9efc6ddfe99a8.exe
  • Size 524KB
  • Sample260910-31gfhaxfma
  • SHA256 899ac801d3e1c44c1e58072b8944be409f1303f1e8845ac42de9efc6ddfe99a8
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
discoverypersistenceprivilege_escalation

Malware Config

Signatures

  • Creates a file in the Startup directory 1 TTPs 2 IoCs

    A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.

    persistenceprivilege_escalation
  • Executes dropped EXE 3 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.

    discovery
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\899ac801d3e1c44c1e58072b8944be409f1303f1e8845ac42de9efc6ddfe99a8.exe
    "C:\Users\Admin\AppData\Local\Temp\899ac801d3e1c44c1e58072b8944be409f1303f1e8845ac42de9efc6ddfe99a8.exe"
    1⤵
    • Creates a file in the Startup directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:6052
    • C:\Users\Admin\AppData\Local\SystemHost.exe
      "C:\Users\Admin\AppData\Local\SystemHost.exe"
      2⤵
      • Creates a file in the Startup directory
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1376
      • C:\Users\Admin\AppData\Local\WinManager.exe
        "C:\Users\Admin\AppData\Local\WinManager.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2656
        • C:\Users\Admin\AppData\Local\Temp\WinManager.exe
          "C:\Users\Admin\AppData\Local\Temp\WinManager.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          PID:1128

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        SystemHost.exe
        • Path C:\Users\Admin\AppData\Local\SystemHost.exe
        • Size 524KB
        • SHA256 899ac801d3e1c44c1e58072b8944be409f1303f1e8845ac42de9efc6ddfe99a8
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        WinManager.exe
        • Path C:\Users\Admin\AppData\Local\Temp\WinManager.exe
        • Size 343KB
        • SHA256 882de24c9ec6524aac37b1e2aca61e93560c52ed3a935d28598a679bac0f5f1a
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        WinSys.lnk
        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\WinSys.lnk
        • Size 1005B
        • SHA256 3ce475dce8c01c8f9302e21c2afa72da6b6718b4b69d0cb029135aa7dce9bda0
        • MD5 SHA1 SHA512 TLSH
        Submit Download