Analysis

  • user interaction
    yes
  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    20/07/2026, 03:52

General

  • Target
    dawn-installer.exe
  • Size 3.3MB
  • Sample260720-efdl4sg151
  • SHA256 e6681d3b9e6adcb3dc88c98aebf41bd5a41a10daa89d6b2a5ba8addcab907cf8
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
4/10

Malware Config

Signatures

  • Loads dropped DLL 5 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs

    Using powershell.exe command.

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\dawn-installer.exe
    "C:\Users\Admin\AppData\Local\Temp\dawn-installer.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1004
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe" -NoProfile -ExecutionPolicy Bypass -Command "$ErrorActionPreference = \"Stop\"; $m = Get-Content -Raw \"C:\Users\Admin\AppData\Local\Temp\nsl6A5B.tmp\manifest.json\" | ConvertFrom-Json; $i = $m.installers | Where-Object { $_.platform -eq \"windows-amd64\" -and $_.kind -eq \"app-zip\" }; if (-not $i) { Write-Error \"no windows-amd64 app-zip entry\"; exit 1 }; Write-Output $i.path; Write-Output $i.sha256; Write-Output $i.sizeBytes"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2124
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe" -NoProfile -ExecutionPolicy Bypass -Command "$m = Get-Content -Raw \"C:\Users\Admin\AppData\Local\Temp\nsl6A5B.tmp\manifest.json\" | ConvertFrom-Json; $i = $m.installers | Where-Object { $_.platform -eq \"windows-amd64\" -and $_.kind -eq \"app-zip\" }; [Console]::Out.Write($i.path.Trim())"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4160
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe" -NoProfile -ExecutionPolicy Bypass -Command "$m = Get-Content -Raw \"C:\Users\Admin\AppData\Local\Temp\nsl6A5B.tmp\manifest.json\" | ConvertFrom-Json; $i = $m.installers | Where-Object { $_.platform -eq \"windows-amd64\" -and $_.kind -eq \"app-zip\" }; [Console]::Out.Write($i.sha256.Trim())"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:5524
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe" -NoProfile -ExecutionPolicy Bypass -Command "$m = Get-Content -Raw \"C:\Users\Admin\AppData\Local\Temp\nsl6A5B.tmp\manifest.json\" | ConvertFrom-Json; [Console]::Out.Write($m.version.Trim())"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1088

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        StartupProfileData-NonInteractive

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 18KB
        • SHA256 746b192cb93e80e9d1fa720a48db940823c7a5b9b82cf73a9fb67cb10a9ebfb7
        • MD5 SHA1 SHA512 SSDEEP TLSH

        StartupProfileData-NonInteractive

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 18KB
        • SHA256 88bf1a0becfb442d59414964ad9c88b6a73626d13fea0eb5ff5c08be547ba6a5
        • MD5 SHA1 SHA512 SSDEEP TLSH

        StartupProfileData-NonInteractive

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 18KB
        • SHA256 3d20df34028b46bee28068caf192b941de8996a9202b417a5c2883cf6f4b2c3b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        __PSScriptPolicyTest_mg0qs2cs.f2h.ps1

        • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_mg0qs2cs.f2h.ps1
        • Size 60B
        • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
        • MD5 SHA1 SHA512 TLSH

        NScurl.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsl6A5B.tmp\NScurl.dll
        • Size 7.6MB
        • SHA256 efe7d99833a05f3d25cb7b151f156de3b1ee347306d2bc23a920828d3831b06b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        cookies.txt

        • Path C:\Users\Admin\AppData\Local\Temp\nsl6A5B.tmp\cookies.txt
        • Size 135B
        • SHA256 be7a52d6d1b2e5e2c7a9e338f3ab71b4b2e76797f19cc06d5899aece2701365b
        • MD5 SHA1 SHA512 TLSH

        manifest.json

        • Path C:\Users\Admin\AppData\Local\Temp\nsl6A5B.tmp\manifest.json
        • Size 699B
        • SHA256 4d59fe278b388b68c991264ab389433891f54412c8366727d047a4812b4d6af3
        • MD5 SHA1 SHA512 TLSH

        nsExec.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsl6A5B.tmp\nsExec.dll
        • Size 7KB
        • SHA256 3a101fa91d4e8831dfb748a1e345ab74fd4a551e64254710bdf53972ba9b473c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1004-71-0x0000000073960000-0x00000000740FD000-memory.dmp

        memory/1004-67-0x0000000073960000-0x00000000740FD000-memory.dmp

        memory/1004-73-0x0000000073960000-0x00000000740FD000-memory.dmp

        memory/1004-74-0x0000000073960000-0x00000000740FD000-memory.dmp

        memory/1004-70-0x0000000073960000-0x00000000740FD000-memory.dmp

        memory/1004-69-0x0000000073960000-0x00000000740FD000-memory.dmp

        memory/1004-68-0x0000000073960000-0x00000000740FD000-memory.dmp

        memory/1004-72-0x0000000073960000-0x00000000740FD000-memory.dmp

        memory/1004-66-0x0000000073960000-0x00000000740FD000-memory.dmp

        memory/1004-75-0x0000000073960000-0x00000000740FD000-memory.dmp

        memory/1004-76-0x0000000073960000-0x00000000740FD000-memory.dmp

        memory/1004-77-0x0000000073960000-0x00000000740FD000-memory.dmp

        memory/1004-48-0x0000000073960000-0x00000000740FD000-memory.dmp

        memory/1004-4-0x0000000073960000-0x00000000740FD000-memory.dmp

        memory/2124-22-0x0000000005030000-0x0000000005096000-memory.dmp

        memory/2124-30-0x0000000006180000-0x00000000061A2000-memory.dmp

        memory/2124-15-0x0000000072E22000-0x0000000072E23000-memory.dmp

        memory/2124-16-0x00000000023D0000-0x0000000002406000-memory.dmp

        memory/2124-17-0x0000000072E10000-0x00000000735CC000-memory.dmp

        memory/2124-18-0x0000000005140000-0x000000000578A000-memory.dmp

        memory/2124-35-0x0000000008A60000-0x0000000008F8C000-memory.dmp

        memory/2124-33-0x0000000007830000-0x00000000079F2000-memory.dmp

        memory/2124-19-0x0000000072E10000-0x00000000735CC000-memory.dmp

        memory/2124-32-0x0000000007EB0000-0x000000000852C000-memory.dmp

        memory/2124-31-0x0000000007270000-0x000000000782A000-memory.dmp

        memory/2124-37-0x0000000072E10000-0x00000000735CC000-memory.dmp

        memory/2124-29-0x0000000006130000-0x000000000614A000-memory.dmp

        memory/2124-28-0x0000000006BD0000-0x0000000006C66000-memory.dmp

        memory/2124-27-0x00000000058B0000-0x00000000058FC000-memory.dmp

        memory/2124-26-0x0000000005870000-0x000000000588E000-memory.dmp

        memory/2124-25-0x0000000005990000-0x0000000005CEB000-memory.dmp

        memory/2124-21-0x0000000004FC0000-0x0000000005026000-memory.dmp

        memory/2124-20-0x0000000004F20000-0x0000000004F42000-memory.dmp

        memory/4160-50-0x0000000072E10000-0x00000000735CC000-memory.dmp

        memory/4160-44-0x00000000058C0000-0x0000000005C1B000-memory.dmp

        memory/4160-43-0x0000000072E10000-0x00000000735CC000-memory.dmp

        memory/4160-42-0x0000000072E10000-0x00000000735CC000-memory.dmp

        memory/4160-41-0x0000000072E10000-0x00000000735CC000-memory.dmp