Analysis

  • user interaction
    yes
  • max time kernel
    329s
  • max time network
    333s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260710-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    08/08/2026, 17:49

General

  • Target
    WindowsHostManager (11).exe
  • Size 2.4MB
  • Sample260808-wd133abk21
  • SHA256 081e46c841116223cc9924dbc18be6f0eb05c3e8974dfa57cefedc8987ebf18a
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 3 IoCs
  • Looks up external IP address via web service 1 TTPs 4 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 4 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Modifies registry class 1 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 3 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Users\Admin\AppData\Local\Temp\WindowsHostManager (11).exe
    "C:\Users\Admin\AppData\Local\Temp\WindowsHostManager (11).exe"
    1⤵
    • Modifies WinLogon for persistence
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:2976
    • C:\Windows\SYSTEM32\schtasks.exe
      "schtasks" /Create /TN "Microsoft\Windows\HostManager\Service" /XML "C:\Users\Admin\AppData\Local\Temp\sht.xml" /F
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:4716
    • C:\Users\Admin\AppData\Roaming\WindowsHostManager.exe
      "C:\Users\Admin\AppData\Roaming\WindowsHostManager.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:5596
      • C:\Windows\SYSTEM32\schtasks.exe
        "schtasks" /Create /TN "Microsoft\Windows\HostManager\Service" /XML "C:\Users\Admin\AppData\Local\Temp\sht.xml" /F
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:5716
  • C:\Users\Admin\AppData\Roaming\WindowsHostManager.exe
    C:\Users\Admin\AppData\Roaming\WindowsHostManager.exe
    1⤵
    • Executes dropped EXE
    • Adds Run key to start application
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4088
    • C:\Windows\SYSTEM32\schtasks.exe
      "schtasks" /Create /TN "Microsoft\Windows\HostManager\Service" /XML "C:\Users\Admin\AppData\Local\Temp\sht.xml" /F
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:4080
    • C:\Windows\SYSTEM32\cmd.exe
      "cmd.exe" /Q
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4704
      • C:\Windows\system32\calc.exe
        calc
        3⤵
        • Modifies registry class
        • Suspicious use of WriteProcessMemory
        PID:1144
        • C:\Windows\System32\win32calc.exe
          "C:\Windows\System32\win32calc.exe"
          4⤵
            PID:4776

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          sht.xml

          • Path C:\Users\Admin\AppData\Local\Temp\sht.xml
          • Size 689B
          • SHA256 da70c7214550f4ac3e40ede73a0c672859abc836d277fb160405075c4f959d53
          • MD5 SHA1 SHA512 TLSH

          WindowsHostManager.exe

          • Path C:\Users\Admin\AppData\Roaming\WindowsHostManager.exe
          • Size 2.4MB
          • SHA256 081e46c841116223cc9924dbc18be6f0eb05c3e8974dfa57cefedc8987ebf18a
          • MD5 SHA1 SHA512 SSDEEP TLSH

          whm_ws.log

          • Path C:\Users\Admin\AppData\Roaming\whm_ws.log
          • Size 132B
          • SHA256 41fa5bf55e504e99bbc7a2775c28a5823560c679b3adacc3cb9eadd7143e727c
          • MD5 SHA1 SHA512 TLSH

          whm_ws.log

          • Path C:\Users\Admin\AppData\Roaming\whm_ws.log
          • Size 262B
          • SHA256 282962eac63b4fcde572bf96d7314f8e349033906580d2adfe59144879cd95de
          • MD5 SHA1 SHA512 TLSH

          memory/2976-5-0x00007FFDE51E0000-0x00007FFDE5B84000-memory.dmp

          memory/2976-1-0x00007FFDE536F000-0x00007FFDE5370000-memory.dmp

          memory/2976-7-0x00007FFDE51E0000-0x00007FFDE5B84000-memory.dmp

          memory/2976-0-0x0000028431E60000-0x00000284320CE000-memory.dmp

          memory/2976-3-0x00007FFDE51E0000-0x00007FFDE5B84000-memory.dmp

          memory/4088-28-0x0000015286F70000-0x0000015286F86000-memory.dmp

          memory/4088-30-0x00000152A13A0000-0x00000152A13B2000-memory.dmp

          memory/5596-15-0x00007FFDE51E0000-0x00007FFDE5B84000-memory.dmp

          memory/5596-18-0x00007FFDE51E0000-0x00007FFDE5B84000-memory.dmp

          memory/5596-19-0x00007FFDE51E0000-0x00007FFDE5B84000-memory.dmp

          memory/5596-20-0x00007FFDE51E0000-0x00007FFDE5B84000-memory.dmp

          memory/5596-24-0x00000249BB180000-0x00000249BB196000-memory.dmp

          memory/5596-10-0x00007FFDE51E0000-0x00007FFDE5B84000-memory.dmp

          memory/5596-29-0x00007FFDE51E0000-0x00007FFDE5B84000-memory.dmp

          memory/5596-31-0x00007FFDE51E0000-0x00007FFDE5B84000-memory.dmp