Analysis

  • user interaction
    yes
  • max time kernel
    37s
  • max time network
    39s
  • platform
    windows10-ltsc_2021_x64
  • resource
    win10ltsc2021-20260513-en
  • resource tags

    arch:x64arch:x86image:win10ltsc2021-20260513-enlocale:en-usos:windows10-ltsc_2021-x64systemwindows
  • submitted
    27/07/2026, 19:02

General

  • Target
    Nexomia.exe
  • Size 16.5MB
  • Sample260727-xp378szamd
  • SHA256 ac2351d21649bbe92bb010d83df9b2ae3b9e07aab14f7ed208e8345876d9c5cf
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Network Share Discovery 1 TTPs

    Attempt to gather information on host network.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs

    Using powershell.exe command.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies data under HKEY_USERS 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 45 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Nexomia.exe
    "C:\Users\Admin\AppData\Local\Temp\Nexomia.exe"
    1⤵
    • Checks whether UAC is enabled
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:4340
    • C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe
      "C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe" --embedded-browser-webview=1 --webview-exe-name=Nexomia.exe --webview-exe-version=0.1.3 --user-data-dir="C:\Users\Admin\AppData\Local\win.nexomia\EBWebView" --noerrdialogs --embedded-browser-webview-dpi-awareness=2 --autoplay-policy=no-user-gesture-required --disable-features=msWebOOUI,msPdfOOUI,msSmartScreenProtection --lang=en-US --mojo-named-platform-channel-pipe=4340.1368.16260978143874992970
      2⤵
      • Enumerates system info in registry
      • Modifies data under HKEY_USERS
      • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
      • Suspicious use of WriteProcessMemory
      PID:1284
      • C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe
        "C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe" --type=crashpad-handler --user-data-dir=C:\Users\Admin\AppData\Local\win.nexomia\EBWebView /prefetch:4 --monitor-self-annotation=ptype=crashpad-handler --database=C:\Users\Admin\AppData\Local\win.nexomia\EBWebView\Crashpad --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=132.0.6834.160 "--annotation=exe=C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe" --annotation=plat=Win64 "--annotation=prod=Edge WebView2" --annotation=ver=132.0.2957.140 --initial-client-data=0x184,0x188,0x18c,0x160,0x194,0x7ffb048bb078,0x7ffb048bb084,0x7ffb048bb090
        3⤵
          PID:6100
        • C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe
          "C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe" --type=gpu-process --string-annotations --noerrdialogs --user-data-dir="C:\Users\Admin\AppData\Local\win.nexomia\EBWebView" --webview-exe-name=Nexomia.exe --webview-exe-version=0.1.3 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --gpu-preferences=UAAAAAAAAADgAAAEAAAAAAAAAAAAAAAAAABgAAEAAAAAAAAAAAAAAAAAAAACAAAAAAAAAAAAAAAAAAAAAAAAABAAAAAAAAAAEAAAAAAAAAAIAAAAAAAAAAgAAAAAAAAA --always-read-main-dll --field-trial-handle=1840,i,13602681002420634637,2245190531155223880,262144 --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version --mojo-platform-channel-handle=1836 /prefetch:2
          3⤵
            PID:4556
          • C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe
            "C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --string-annotations --noerrdialogs --user-data-dir="C:\Users\Admin\AppData\Local\win.nexomia\EBWebView" --webview-exe-name=Nexomia.exe --webview-exe-version=0.1.3 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --always-read-main-dll --field-trial-handle=2080,i,13602681002420634637,2245190531155223880,262144 --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version --mojo-platform-channel-handle=2088 /prefetch:3
            3⤵
              PID:1708
            • C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe
              "C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --lang=en-US --service-sandbox-type=service --string-annotations --noerrdialogs --user-data-dir="C:\Users\Admin\AppData\Local\win.nexomia\EBWebView" --webview-exe-name=Nexomia.exe --webview-exe-version=0.1.3 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --always-read-main-dll --field-trial-handle=2312,i,13602681002420634637,2245190531155223880,262144 --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version --mojo-platform-channel-handle=2324 /prefetch:8
              3⤵
                PID:5140
              • C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe
                "C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe" --type=renderer --string-annotations --noerrdialogs --user-data-dir="C:\Users\Admin\AppData\Local\win.nexomia\EBWebView" --webview-exe-name=Nexomia.exe --webview-exe-version=0.1.3 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --autoplay-policy=no-user-gesture-required --video-capture-use-gpu-memory-buffer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --js-flags="--harmony-weak-refs-with-cleanup-some --expose-gc --ms-user-locale=" --always-read-main-dll --field-trial-handle=3496,i,13602681002420634637,2245190531155223880,262144 --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version --mojo-platform-channel-handle=3472 /prefetch:1
                3⤵
                  PID:2828
              • C:\Users\Admin\AppData\Roaming\win.nexomia\Bin\luau-lsp.exe
                "C:\Users\Admin\AppData\Roaming\win.nexomia\Bin\luau-lsp.exe" lsp
                2⤵
                • Executes dropped EXE
                PID:4088
              • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
                "powershell" -NoProfile -ExecutionPolicy Bypass -Command "(Get-MpPreference).ExclusionPath | Where-Object { $_ -ne $null } | ForEach-Object { $_.ToString().TrimEnd('\') }"
                2⤵
                • Command and Scripting Interpreter: PowerShell
                • Suspicious use of AdjustPrivilegeToken
                PID:5920
              • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
                "powershell" -NoProfile -ExecutionPolicy Bypass -Command "$p = Start-Process powershell -Verb RunAs -ArgumentList @('-NoProfile','-ExecutionPolicy','Bypass','-File','C:\Users\Admin\AppData\Local\Temp\n-4340.ps1') -PassThru; if ($p -eq $null) { 'NOFILE' } else { $p.WaitForExit(60000) | Out-Null; if (Test-Path 'C:\Users\Admin\AppData\Local\Temp\n-4340.txt') { Get-Content -Raw -LiteralPath 'C:\Users\Admin\AppData\Local\Temp\n-4340.txt' } else { 'NOFILE' } }"
                2⤵
                • Command and Scripting Interpreter: PowerShell
                • Suspicious use of AdjustPrivilegeToken
                • Suspicious use of WriteProcessMemory
                PID:2260
                • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
                  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -NoProfile -ExecutionPolicy Bypass -File C:\Users\Admin\AppData\Local\Temp\n-4340.ps1
                  3⤵
                  • Command and Scripting Interpreter: PowerShell
                  • Suspicious use of AdjustPrivilegeToken
                  PID:4664

            Network

                  MITRE ATT&CK Enterprise v16

                  Replay Monitor

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                  Downloads

                  powershell.exe.log

                  • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
                  • Size 3KB
                  • SHA256 c485a6e2fd17c342fca60060f47d6a5655a65a412e35e001bb5bf88d96e6e485
                  • MD5 SHA1 SHA512 TLSH

                  StartupProfileData-NonInteractive

                  • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
                  • Size 64B
                  • SHA256 ea9bea139e89319ee9d39fc27115ed21bd42afb62bc823c6bf5a646015bf8aef
                  • MD5 SHA1 SHA512

                  StartupProfileData-NonInteractive

                  • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
                  • Size 1KB
                  • SHA256 d4b050688bfec75492d113d69830a877fb9cdc1a34ecba58304422687f4d7219
                  • MD5 SHA1 SHA512 TLSH

                  __PSScriptPolicyTest_1vuqqwsy.vbt.ps1

                  • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_1vuqqwsy.vbt.ps1
                  • Size 60B
                  • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
                  • MD5 SHA1 SHA512 TLSH

                  n-4340.ps1

                  • Path C:\Users\Admin\AppData\Local\Temp\n-4340.ps1
                  • Size 341B
                  • SHA256 e1717d612c2d27b2a2b53ae279bc603d200578bf7bcc1f35fb3190d2bdc3b2c0
                  • MD5 SHA1 SHA512 TLSH

                  n-4340.txt

                  • Path C:\Users\Admin\AppData\Local\Temp\n-4340.txt
                  • Size 112B
                  • SHA256 e722ab6ccbd45444ee4f9f039724a1c38271a0f21aaebec62a90e809193f2fbc
                  • MD5 SHA1 SHA512 TLSH

                  settings.dat

                  • Path C:\Users\Admin\AppData\Local\win.nexomia\EBWebView\Crashpad\settings.dat
                  • Size 280B
                  • SHA256 c60d7b1b90a48c905be16f328a50b7878972028abf529cb2bc6af9d4e59768b7
                  • MD5 SHA1 SHA512 TLSH

                  settings.dat

                  • Path C:\Users\Admin\AppData\Local\win.nexomia\EBWebView\Crashpad\settings.dat
                  • Size 280B
                  • SHA256 62d9424dfc7c227f04a14b8f31f631badf7156d5301d78c0300243c8df77e217
                  • MD5 SHA1 SHA512

                  throttle_store.dat

                  • Path C:\Users\Admin\AppData\Local\win.nexomia\EBWebView\Crashpad\throttle_store.dat
                  • Size 20B
                  • SHA256 41c91a9c93d76295746a149dce7ebb3b9ee2cb551d84365fff108e59a61cc304
                  • MD5 SHA1 SHA512

                  the-real-index

                  • Path C:\Users\Admin\AppData\Local\win.nexomia\EBWebView\Default\Code Cache\js\index-dir\the-real-index
                  • Size 48B
                  • SHA256 e70ff164680f0811c47db696715c1c48d3b1a99f9c5b6cb2d8f6ce1137e2b024
                  • MD5 SHA1 SHA512

                  the-real-index

                  • Path C:\Users\Admin\AppData\Local\win.nexomia\EBWebView\Default\Code Cache\js\index-dir\the-real-index
                  • Size 648B
                  • SHA256 b39f1f24b272bf379bdcba08bfd4a1a0c9884d2805482348f1bfd9945ebebce1
                  • MD5 SHA1 SHA512 TLSH

                  MANIFEST-000001

                  • Path C:\Users\Admin\AppData\Local\win.nexomia\EBWebView\Default\Extension Scripts\MANIFEST-000001
                  • Size 41B
                  • SHA256 f9d31b278e215eb0d0e9cd709edfa037e828f36214ab7906f612160fead4b2b4
                  • MD5 SHA1 SHA512

                  SCT Auditing Pending Reports

                  • Path C:\Users\Admin\AppData\Local\win.nexomia\EBWebView\Default\Network\SCT Auditing Pending Reports
                  • Size 2B
                  • SHA256 4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945
                  • MD5 SHA1 SHA512

                  CURRENT

                  • Path C:\Users\Admin\AppData\Local\win.nexomia\EBWebView\Default\Site Characteristics Database\CURRENT
                  • Size 16B
                  • SHA256 0f1bad70c7bd1e0a69562853ec529355462fcd0423263a3d39d6d0d70b780443
                  • MD5 SHA1 SHA512

                  data_0

                  • Path C:\Users\Admin\AppData\Local\win.nexomia\EBWebView\GrShaderCache\data_0
                  • Size 8KB
                  • SHA256 d6a5fe39cd672781b256e0e3102f7022635f1d4bb7cfcc90a80fffe4d0f3877e
                  • MD5 SHA1 SHA512 SSDEEP

                  data_2

                  • Path C:\Users\Admin\AppData\Local\win.nexomia\EBWebView\GrShaderCache\data_2
                  • Size 8KB
                  • SHA256 ec1702806f4cc7c42a82fc2b38e89835fde7c64bb32060e0823c9077ca92efb7
                  • MD5 SHA1 SHA512 SSDEEP

                  data_3

                  • Path C:\Users\Admin\AppData\Local\win.nexomia\EBWebView\GrShaderCache\data_3
                  • Size 8KB
                  • SHA256 e09f42c398d688dce168570291f1f92d079987deda3099a34adb9e8c0522b30c
                  • MD5 SHA1 SHA512 SSDEEP

                  data_1

                  • Path C:\Users\Admin\AppData\Local\win.nexomia\EBWebView\GraphiteDawnCache\data_1
                  • Size 264KB
                  • SHA256 902f30c1fb0597d0734bc34b979ec5d131f8f39a4b71b338083821216ec8d61b
                  • MD5 SHA1 SHA512 SSDEEP

                  Local State

                  • Path C:\Users\Admin\AppData\Local\win.nexomia\EBWebView\Local State
                  • Size 1KB
                  • SHA256 4bebe243d9bbee99014c360052d165382142b2ffe9d9779207712fd9fe8ee532
                  • MD5 SHA1 SHA512 TLSH

                  Local State

                  • Path C:\Users\Admin\AppData\Local\win.nexomia\EBWebView\Local State
                  • Size 2KB
                  • SHA256 c97e7f563765b9154ee2017796ce82cc048430271c1b9dee7056465e5fb1b240
                  • MD5 SHA1 SHA512 TLSH

                  Local State

                  • Path C:\Users\Admin\AppData\Local\win.nexomia\EBWebView\Local State
                  • Size 3KB
                  • SHA256 917e6688f008870eddc86859e0cd94304397f8eb267f5a322279b11b4e31d15e
                  • MD5 SHA1 SHA512 TLSH

                  Local State

                  • Path C:\Users\Admin\AppData\Local\win.nexomia\EBWebView\Local State
                  • Size 16KB
                  • SHA256 7817798253079ae2bd4eef983dd8e7e5f04466db404320e6c8ec87c5c0b54923
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  Local State~RFe583c39.TMP

                  • Path C:\Users\Admin\AppData\Local\win.nexomia\EBWebView\Local State~RFe583c39.TMP
                  • Size 1KB
                  • SHA256 6057024d6a2aed1349cc0248afec99967e54a183df60431524dba242a8793066
                  • MD5 SHA1 SHA512 TLSH

                  luau-lsp.exe

                  • Path C:\Users\Admin\AppData\Roaming\win.nexomia\Bin\luau-lsp.exe
                  • Size 16.3MB
                  • SHA256 0da4f09d474e41074f4ec52bfef01eb90c014928358eda88f6a5afad5319b537
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  memory/1284-275-0x000001E7530E0000-0x000001E7540E0000-memory.dmp

                  memory/2828-103-0x00007FFB1EF00000-0x00007FFB1EF01000-memory.dmp

                  memory/4340-164-0x00000281B4D50000-0x00000281B4D51000-memory.dmp

                  memory/4340-189-0x00000281B7940000-0x00000281B7941000-memory.dmp

                  memory/4340-165-0x00000281B4D60000-0x00000281B4D61000-memory.dmp

                  memory/4340-166-0x00000281B4ED0000-0x00000281B4ED1000-memory.dmp

                  memory/4340-167-0x00000281B7520000-0x00000281B7521000-memory.dmp

                  memory/4340-168-0x00000281B7730000-0x00000281B7731000-memory.dmp

                  memory/4556-313-0x000001B733260000-0x000001B73338B000-memory.dmp

                  memory/4556-27-0x00007FFB1EF00000-0x00007FFB1EF01000-memory.dmp

                  memory/5140-75-0x00007FFB1FAE0000-0x00007FFB1FAE1000-memory.dmp

                  memory/5140-76-0x00007FFB20D30000-0x00007FFB20D31000-memory.dmp

                  memory/5920-334-0x00000173FA8B0000-0x00000173FA8D2000-memory.dmp