Analysis

  • max time kernel
    150s
  • max time network
    164s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    19/05/2026, 20:23

General

  • Target
    javaws.exe
  • Size 168.6MB
  • Sample260519-y6a4fsey3m
  • SHA256 38a51ea74ea5d8db1adbfa4036601708c1291f243209a2c30a46abb25305bfc4
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Reads user/profile data of web browsers 3 TTPs

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

  • Contacts third-party web service commonly abused for C2 1 TTPs 8 IoCs

    Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

  • Looks up external IP address via web service 2 IoCs

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

  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Kills process with taskkill 6 IoCs
  • Suspicious behavior: EnumeratesProcesses 18 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 30 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\javaws.exe
    "C:\Users\Admin\AppData\Local\Temp\javaws.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3280
    • C:\Users\Admin\AppData\Local\Temp\javaws.exe
      "C:\Users\Admin\AppData\Local\Temp\javaws.exe" --type=gpu-process --no-sandbox --user-data-dir="C:\Users\Admin\AppData\Roaming\javaws" --gpu-preferences=WAAAAAAAAADgAQAMAAAAAAAAAAAAAAAAAABgAAAAAAA4AAAAAAAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAGAAAAAAAAAAYAAAAAAAAAAgAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --use-gl=disabled --mojo-platform-channel-handle=1704 --field-trial-handle=1708,i,8903570230922204679,7085065531547332923,262144 --enable-features=kWebSQLAccess --disable-features=SpareRendererForSitePerProcess,WinDelaySpellcheckServiceInit,WinRetrieveSuggestionsOnlyOnDemand --variations-seed-version /prefetch:2
      2⤵
        PID:1476
      • C:\Users\Admin\AppData\Local\Temp\javaws.exe
        "C:\Users\Admin\AppData\Local\Temp\javaws.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --no-sandbox --user-data-dir="C:\Users\Admin\AppData\Roaming\javaws" --mojo-platform-channel-handle=1932 --field-trial-handle=1708,i,8903570230922204679,7085065531547332923,262144 --enable-features=kWebSQLAccess --disable-features=SpareRendererForSitePerProcess,WinDelaySpellcheckServiceInit,WinRetrieveSuggestionsOnlyOnDemand --variations-seed-version /prefetch:8
        2⤵
          PID:3452
        • C:\Windows\system32\cmd.exe
          C:\Windows\system32\cmd.exe /d /s /c "powershell "Get-CimInstance Win32_VideoController | Select-Object -ExpandProperty Name""
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:2328
          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
            powershell "Get-CimInstance Win32_VideoController | Select-Object -ExpandProperty Name"
            3⤵
            • Suspicious behavior: EnumeratesProcesses
            PID:1280
        • C:\Windows\system32\cmd.exe
          C:\Windows\system32\cmd.exe /d /s /c "powershell "Get-CimInstance Win32_LogicalDisk -Filter \"DeviceID='C:'\" | Select-Object @{n='Free';e={[math]::round($_.FreeSpace/1GB,2)}},@{n='Total';e={[math]::round($_.Size/1GB,2)}} | Format-List""
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:4308
          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
            powershell "Get-CimInstance Win32_LogicalDisk -Filter \"DeviceID='C:'\" | Select-Object @{n='Free';e={[math]::round($_.FreeSpace/1GB,2)}},@{n='Total';e={[math]::round($_.Size/1GB,2)}} | Format-List"
            3⤵
            • Suspicious behavior: EnumeratesProcesses
            PID:4896
        • C:\Windows\system32\cmd.exe
          C:\Windows\system32\cmd.exe /d /s /c "powershell "(Get-CimInstance Win32_ComputerSystemProduct).UUID""
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:3404
          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
            powershell "(Get-CimInstance Win32_ComputerSystemProduct).UUID"
            3⤵
            • Suspicious behavior: EnumeratesProcesses
            PID:4816
        • C:\Windows\system32\cmd.exe
          C:\Windows\system32\cmd.exe /d /s /c "powershell "(Get-CimInstance Win32_OperatingSystem).Caption""
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:3444
          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
            powershell "(Get-CimInstance Win32_OperatingSystem).Caption"
            3⤵
            • Suspicious behavior: EnumeratesProcesses
            PID:5112
        • C:\Windows\system32\cmd.exe
          C:\Windows\system32\cmd.exe /d /s /c "powershell "(Get-CimInstance Win32_OperatingSystem).Version""
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:648
          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
            powershell "(Get-CimInstance Win32_OperatingSystem).Version"
            3⤵
            • Suspicious behavior: EnumeratesProcesses
            PID:1732
        • C:\Windows\system32\cmd.exe
          C:\Windows\system32\cmd.exe /d /s /c "powershell "Get-CimInstance Win32_Processor | Select-Object -ExpandProperty Name""
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:1800
          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
            powershell "Get-CimInstance Win32_Processor | Select-Object -ExpandProperty Name"
            3⤵
            • Suspicious behavior: EnumeratesProcesses
            PID:3108
        • C:\Windows\system32\cmd.exe
          C:\Windows\system32\cmd.exe /d /s /c "taskkill /F /IM chrome.exe"
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:2848
          • C:\Windows\system32\taskkill.exe
            taskkill /F /IM chrome.exe
            3⤵
            • Kills process with taskkill
            PID:3760
        • C:\Windows\system32\cmd.exe
          C:\Windows\system32\cmd.exe /d /s /c "taskkill /F /IM brave.exe"
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:920
          • C:\Windows\system32\taskkill.exe
            taskkill /F /IM brave.exe
            3⤵
            • Kills process with taskkill
            PID:1716
        • C:\Windows\system32\cmd.exe
          C:\Windows\system32\cmd.exe /d /s /c "taskkill /F /IM msedge.exe"
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:1628
          • C:\Windows\system32\taskkill.exe
            taskkill /F /IM msedge.exe
            3⤵
            • Kills process with taskkill
            PID:3924
        • C:\Windows\system32\cmd.exe
          C:\Windows\system32\cmd.exe /d /s /c "taskkill /F /IM firefox.exe"
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:3932
          • C:\Windows\system32\taskkill.exe
            taskkill /F /IM firefox.exe
            3⤵
            • Kills process with taskkill
            PID:964
        • C:\Windows\system32\cmd.exe
          C:\Windows\system32\cmd.exe /d /s /c "taskkill /F /IM opera.exe"
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:3940
          • C:\Windows\system32\taskkill.exe
            taskkill /F /IM opera.exe
            3⤵
            • Kills process with taskkill
            PID:1280
        • C:\Windows\system32\cmd.exe
          C:\Windows\system32\cmd.exe /d /s /c "taskkill /F /IM vivaldi.exe"
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:2336
          • C:\Windows\system32\taskkill.exe
            taskkill /F /IM vivaldi.exe
            3⤵
            • Kills process with taskkill
            PID:584
        • C:\Program Files\Google\Chrome\Application\chrome.exe
          "C:\Program Files\Google\Chrome\Application\chrome.exe" --headless=new --no-startup-window --no-sandbox --allow-no-sandbox-job --disable-3d-apis --disable-gpu --disable-d3d11 --disable-extensions --disable-background-networking --window-position=-32000,-32000 --window-size=1,1
          2⤵
            PID:4724
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --headless=new --no-startup-window --no-sandbox --allow-no-sandbox-job --disable-3d-apis --disable-gpu --disable-d3d11 --disable-extensions --disable-background-networking --window-position=-32000,-32000 --window-size=1,1
            2⤵
              PID:3896
          • C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe
            "C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe"
            1⤵
              PID:2860
            • C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe
              "C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe"
              1⤵
                PID:1344

              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 b58f994c644f7b4a831e889630bfd7ca0860aeb1e0920dc0f5d4928585a9dbab
                    • MD5 SHA1 SHA512 TLSH

                    StartupProfileData-NonInteractive

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
                    • Size 1KB
                    • SHA256 fd6e086ded55dcefdc110428d454c422363d413b3e34039628ae4a3051a634d7
                    • MD5 SHA1 SHA512 TLSH

                    StartupProfileData-NonInteractive

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
                    • Size 1KB
                    • SHA256 f5a064873843e3d1d1c8ca9c6e0134b86f6341fa73be6ca417e24a4a4a0a9aa1
                    • MD5 SHA1 SHA512 TLSH

                    StartupProfileData-NonInteractive

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
                    • Size 1KB
                    • SHA256 e32f8284875ea8399b2c3a38de06ff6110e331ff9e371d865c96dace1844943e
                    • MD5 SHA1 SHA512 TLSH

                    StartupProfileData-NonInteractive

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
                    • Size 1KB
                    • SHA256 34a96024256235e2dffc9c3e74f42f5fb95a0d2b9c795b72619510533ace1323
                    • MD5 SHA1 SHA512 TLSH

                    StartupProfileData-NonInteractive

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
                    • Size 1KB
                    • SHA256 31bd5a28190599cf85382a7a9a438e8cf8dd7897181d9fd270827ea4fb4545ba
                    • MD5 SHA1 SHA512 TLSH

                    __PSScriptPolicyTest_nst1u3dp.1kg.ps1

                    • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_nst1u3dp.1kg.ps1
                    • Size 60B
                    • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
                    • MD5 SHA1 SHA512 TLSH

                    memory/1280-16-0x00000229DBD00000-0x00000229DBF1C000-memory.dmp

                    memory/1280-13-0x00000229DC070000-0x00000229DC094000-memory.dmp

                    memory/1280-12-0x00000229DC070000-0x00000229DC09A000-memory.dmp

                    memory/1280-5-0x00000229DB360000-0x00000229DB382000-memory.dmp

                    memory/3108-65-0x0000019B6DB90000-0x0000019B6DDAC000-memory.dmp

                    memory/4896-27-0x000002CC1D0E0000-0x000002CC1D2FC000-memory.dmp

                    memory/5112-46-0x000001BD7F050000-0x000001BD7F26C000-memory.dmp