Resubmissions

31/07/2026, 12:08

260731-pa47zsab58

31/07/2026, 11:57

260731-n4mpcssxcy8

Analysis

  • max time kernel
    152s
  • max time network
    167s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    31/07/2026, 11:57

General

  • Target
    Installer.exe
  • Size 168.1MB
  • Sample260731-n4mpcssxcy
  • SHA256 f1fdb3e045eff53d860bb757980dd194b392910fc8a9b640bae912388cda9c4c
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell and hide display window.

  • Hide Artifacts: Hidden Window 1 TTPs 1 IoCs

    Windows that would typically be displayed when an application carries out an operation can be hidden.

  • Looks up external IP address via web service 1 TTPs 3 IoCs

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

  • Executes a command shell one-liner 1 TTPs 7 IoCs

    Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

  • Checks processor information in registry 2 TTPs 24 IoCs

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

  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 25 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 23 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Installer.exe
    "C:\Users\Admin\AppData\Local\Temp\Installer.exe"
    1⤵
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:6164
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /d /s /c "ps -p 4308 -o comm=,ppid="
      2⤵
      • Executes a command shell one-liner
      PID:2808
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /d /s /c "net session"
      2⤵
      • Executes a command shell one-liner
      • Suspicious use of WriteProcessMemory
      PID:7060
      • C:\Windows\system32\net.exe
        net session
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2764
        • C:\Windows\system32\net1.exe
          C:\Windows\system32\net1 session
          4⤵
            PID:6648
      • C:\Users\Admin\AppData\Local\Temp\Installer.exe
        "C:\Users\Admin\AppData\Local\Temp\Installer.exe" --type=gpu-process --user-data-dir="C:\Users\Admin\AppData\Roaming\installer" --gpu-preferences=WAAAAAAAAADgAAAMAAAAAAAAAAAAAAAAAABgAAAAAAA4AAAAAAAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAGAAAAAAAAAAYAAAAAAAAAAgAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --mojo-platform-channel-handle=1716 --field-trial-handle=1720,i,2033322079887888246,6778690348316273136,262144 --enable-features=kWebSQLAccess --disable-features=SpareRendererForSitePerProcess,WinDelaySpellcheckServiceInit,WinRetrieveSuggestionsOnlyOnDemand --variations-seed-version /prefetch:2
        2⤵
          PID:5080
        • C:\Users\Admin\AppData\Local\Temp\Installer.exe
          "C:\Users\Admin\AppData\Local\Temp\Installer.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --user-data-dir="C:\Users\Admin\AppData\Roaming\installer" --mojo-platform-channel-handle=2132 --field-trial-handle=1720,i,2033322079887888246,6778690348316273136,262144 --enable-features=kWebSQLAccess --disable-features=SpareRendererForSitePerProcess,WinDelaySpellcheckServiceInit,WinRetrieveSuggestionsOnlyOnDemand --variations-seed-version /prefetch:3
          2⤵
            PID:2984
          • C:\Users\Admin\AppData\Local\Temp\Installer.exe
            "C:\Users\Admin\AppData\Local\Temp\Installer.exe" --type=renderer --user-data-dir="C:\Users\Admin\AppData\Roaming\installer" --app-path="C:\Users\Admin\AppData\Local\Temp\resources\app" --enable-sandbox --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=4 --mojo-platform-channel-handle=2248 --field-trial-handle=1720,i,2033322079887888246,6778690348316273136,262144 --enable-features=kWebSQLAccess --disable-features=SpareRendererForSitePerProcess,WinDelaySpellcheckServiceInit,WinRetrieveSuggestionsOnlyOnDemand --variations-seed-version /prefetch:1
            2⤵
              PID:5108
            • C:\Windows\system32\cmd.exe
              C:\Windows\system32\cmd.exe /d /s /c "reg query "HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders" /v Personal"
              2⤵
              • Executes a command shell one-liner
              • Suspicious use of WriteProcessMemory
              PID:3744
              • C:\Windows\system32\reg.exe
                reg query "HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders" /v Personal
                3⤵
                  PID:6640
              • C:\Windows\system32\cmd.exe
                C:\Windows\system32\cmd.exe /d /s /c "powershell.exe -WindowStyle Hidden -Command "Add-Type -AssemblyName System.Windows.Forms; $b = [System.Drawing.Rectangle]::FromLTRB(0, 0, [System.Windows.Forms.Screen]::PrimaryScreen.Bounds.Width, [System.Windows.Forms.Screen]::PrimaryScreen.Bounds.Height); $bmp = New-Object System.Drawing.Bitmap($b.Width, $b.Height); $g = [System.Drawing.Graphics]::FromImage($bmp); $g.CopyFromScreen($b.Location, [System.Drawing.Point]::Empty, $b.Size); $bmp.Save(\"C:\\Users\\Admin\\AppData\\Local\\Temp\\mssetup_c0c3d3.png\"); $g.Dispose(); $bmp.Dispose()""
                2⤵
                • Hide Artifacts: Hidden Window
                • Suspicious use of WriteProcessMemory
                PID:1384
                • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
                  powershell.exe -WindowStyle Hidden -Command "Add-Type -AssemblyName System.Windows.Forms; $b = [System.Drawing.Rectangle]::FromLTRB(0, 0, [System.Windows.Forms.Screen]::PrimaryScreen.Bounds.Width, [System.Windows.Forms.Screen]::PrimaryScreen.Bounds.Height); $bmp = New-Object System.Drawing.Bitmap($b.Width, $b.Height); $g = [System.Drawing.Graphics]::FromImage($bmp); $g.CopyFromScreen($b.Location, [System.Drawing.Point]::Empty, $b.Size); $bmp.Save(\"C:\\Users\\Admin\\AppData\\Local\\Temp\\mssetup_c0c3d3.png\"); $g.Dispose(); $bmp.Dispose()"
                  3⤵
                  • Command and Scripting Interpreter: PowerShell
                  • Suspicious behavior: EnumeratesProcesses
                  • Suspicious use of AdjustPrivilegeToken
                  PID:6008
              • C:\Windows\system32\cmd.exe
                C:\Windows\system32\cmd.exe /d /s /c "wmic baseboard get serialnumber /value"
                2⤵
                • Executes a command shell one-liner
                • Suspicious use of WriteProcessMemory
                PID:5436
                • C:\Windows\System32\Wbem\WMIC.exe
                  wmic baseboard get serialnumber /value
                  3⤵
                  • Suspicious behavior: EnumeratesProcesses
                  • Suspicious use of AdjustPrivilegeToken
                  PID:2016
              • C:\Windows\system32\cmd.exe
                C:\Windows\system32\cmd.exe /d /s /c "wmic diskdrive get serialnumber /value"
                2⤵
                • Executes a command shell one-liner
                • Suspicious use of WriteProcessMemory
                PID:2916
                • C:\Windows\System32\Wbem\WMIC.exe
                  wmic diskdrive get serialnumber /value
                  3⤵
                  • Suspicious behavior: EnumeratesProcesses
                  PID:3256
              • C:\Windows\system32\cmd.exe
                C:\Windows\system32\cmd.exe /d /s /c "wmic baseboard get serialnumber /value"
                2⤵
                • Executes a command shell one-liner
                • Suspicious use of WriteProcessMemory
                PID:4488
                • C:\Windows\System32\Wbem\WMIC.exe
                  wmic baseboard get serialnumber /value
                  3⤵
                  • Suspicious behavior: EnumeratesProcesses
                  PID:3036
              • C:\Windows\system32\cmd.exe
                C:\Windows\system32\cmd.exe /d /s /c "wmic diskdrive get serialnumber /value"
                2⤵
                • Executes a command shell one-liner
                • Suspicious use of WriteProcessMemory
                PID:3876
                • C:\Windows\System32\Wbem\WMIC.exe
                  wmic diskdrive get serialnumber /value
                  3⤵
                  • Suspicious behavior: EnumeratesProcesses
                  PID:4672
              • C:\Users\Admin\AppData\Local\Temp\Installer.exe
                "C:\Users\Admin\AppData\Local\Temp\Installer.exe" --type=gpu-process --disable-gpu-sandbox --use-gl=disabled --gpu-vendor-id=5140 --gpu-device-id=140 --gpu-sub-system-id=0 --gpu-revision=0 --gpu-driver-version=10.0.26100.1301 --user-data-dir="C:\Users\Admin\AppData\Roaming\installer" --gpu-preferences=WAAAAAAAAADoAAAMAAAAAAAAAAAAAAAAAABgAAAAAAA4AAAAAAAAAAAAAABEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAGAAAAAAAAAAYAAAAAAAAAAgAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --mojo-platform-channel-handle=972 --field-trial-handle=1720,i,2033322079887888246,6778690348316273136,262144 --enable-features=kWebSQLAccess --disable-features=SpareRendererForSitePerProcess,WinDelaySpellcheckServiceInit,WinRetrieveSuggestionsOnlyOnDemand --variations-seed-version /prefetch:8
                2⤵
                • Suspicious behavior: EnumeratesProcesses
                PID:4192

            Network

                  MITRE ATT&CK Enterprise v16

                  Replay Monitor

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                  Downloads

                  mssetup_c0c3d3.png

                  • Path C:\Users\Admin\AppData\Local\Temp\mssetup_c0c3d3.png
                  • Size 429KB
                  • SHA256 7069d18f5486d0c0fbadcea146238209ed791e8ae3722730fac4b695fba2dfdd
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  default.exc

                  • Path C:\Users\Admin\AppData\Roaming\Microsoft\Spelling\en-US\default.exc
                  • Size 2B
                  • SHA256 b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209
                  • MD5 SHA1 SHA512

                  data_0

                  • Path C:\Users\Admin\AppData\Roaming\installer\DawnCache\data_0
                  • Size 8KB
                  • SHA256 d6a5fe39cd672781b256e0e3102f7022635f1d4bb7cfcc90a80fffe4d0f3877e
                  • MD5 SHA1 SHA512 SSDEEP

                  data_1

                  • Path C:\Users\Admin\AppData\Roaming\installer\DawnCache\data_1
                  • Size 264KB
                  • SHA256 b1e963d702392fb7224786e7d56d43973e9b9efd1b89c17814d7c558ffc0cdec
                  • MD5 SHA1 SHA512 SSDEEP

                  data_2

                  • Path C:\Users\Admin\AppData\Roaming\installer\DawnCache\data_2
                  • Size 8KB
                  • SHA256 ec1702806f4cc7c42a82fc2b38e89835fde7c64bb32060e0823c9077ca92efb7
                  • MD5 SHA1 SHA512 SSDEEP

                  data_3

                  • Path C:\Users\Admin\AppData\Roaming\installer\DawnCache\data_3
                  • Size 8KB
                  • SHA256 e09f42c398d688dce168570291f1f92d079987deda3099a34adb9e8c0522b30c
                  • MD5 SHA1 SHA512 SSDEEP

                  Network Persistent State

                  • Path C:\Users\Admin\AppData\Roaming\installer\Network\Network Persistent State
                  • Size 300B
                  • SHA256 eacc9dde08025f5314ef0fedb6672a759a737bc4715b2fc45cf9f0aec72a368e
                  • MD5 SHA1 SHA512 TLSH

                  Network Persistent State~RFe5ae9c5.TMP

                  • Path C:\Users\Admin\AppData\Roaming\installer\Network\Network Persistent State~RFe5ae9c5.TMP
                  • Size 59B
                  • SHA256 226eec4486509917aa336afebd6ff65777b75b65f1fb06891d2a857a9421a974
                  • MD5 SHA1 SHA512 TLSH

                  memory/4192-114-0x0000020F56700000-0x0000020F56701000-memory.dmp

                  memory/4192-108-0x0000020F56700000-0x0000020F56701000-memory.dmp

                  memory/4192-117-0x0000020F56700000-0x0000020F56701000-memory.dmp

                  memory/4192-116-0x0000020F56700000-0x0000020F56701000-memory.dmp

                  memory/4192-115-0x0000020F56700000-0x0000020F56701000-memory.dmp

                  memory/4192-112-0x0000020F56700000-0x0000020F56701000-memory.dmp

                  memory/4192-113-0x0000020F56700000-0x0000020F56701000-memory.dmp

                  memory/4192-106-0x0000020F56700000-0x0000020F56701000-memory.dmp

                  memory/5108-24-0x00007FFD5B1B0000-0x00007FFD5B1B1000-memory.dmp

                  memory/5108-25-0x00000257C1660000-0x00000257C1661000-memory.dmp

                  memory/5108-77-0x00000257C1630000-0x00000257C165A000-memory.dmp

                  memory/6008-85-0x00000288F39C0000-0x00000288F39E2000-memory.dmp