Analysis

  • max time kernel
    150s
  • max time network
    162s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    22/07/2026, 13:28

General

  • Target
    Rara Audio.exe
  • Size 168.2MB
  • Sample260722-qqxnhsstd1
  • SHA256 0b7ad81c415f9ad5ddd93c1da001cfc024e2faee887073e710394ea83da4e98a
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Loads dropped DLL 3 IoCs
  • Executes a command shell one-liner 1 TTPs 1 IoCs

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

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 5 IoCs
  • Suspicious use of SendNotifyMessage 7 IoCs
  • Suspicious use of WriteProcessMemory 10 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\Rara Audio.exe
    "C:\Users\Admin\AppData\Local\Temp\Rara Audio.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:3880
    • C:\Users\Admin\AppData\Local\Temp\Rara Audio.exe
      "C:\Users\Admin\AppData\Local\Temp\Rara Audio.exe" --type=gpu-process --no-sandbox --user-data-dir="C:\Users\Admin\AppData\Roaming\RaraAudioApp" --gpu-preferences=WAAAAAAAAADgAAAMAAAAAAAAAAAAAAAAAABgAAAAAAA4AAAAAAAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAGAAAAAAAAAAYAAAAAAAAAAgAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --mojo-platform-channel-handle=1804 --field-trial-handle=1808,i,14118136205856172445,7193442779931445645,262144 --enable-features=kWebSQLAccess --disable-features=SpareRendererForSitePerProcess,WinDelaySpellcheckServiceInit,WinRetrieveSuggestionsOnlyOnDemand --variations-seed-version /prefetch:2
      2⤵
        PID:2324
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /d /s /c "reg add "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "RaraAudio" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\Rara Audio.exe" /f"
        2⤵
        • Executes a command shell one-liner
        • Suspicious use of WriteProcessMemory
        PID:4108
        • C:\Windows\system32\reg.exe
          reg add "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "RaraAudio" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\Rara Audio.exe" /f
          3⤵
          • Adds Run key to start application
          PID:2412
      • C:\Windows\system32\schtasks.exe
        schtasks.exe /Create /TN RaraAudio /TR "\"C:\Users\Admin\AppData\Local\Temp\Rara Audio.exe\"" /SC ONLOGON /RL HIGHEST /IT /F
        2⤵
        • Scheduled Task/Job: Scheduled Task
        PID:2220
      • C:\Windows\system32\schtasks.exe
        schtasks.exe /Query /TN RaraAudio
        2⤵
          PID:3984
        • C:\Users\Admin\AppData\Local\Temp\Rara Audio.exe
          "C:\Users\Admin\AppData\Local\Temp\Rara Audio.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\RaraAudioApp" --mojo-platform-channel-handle=2132 --field-trial-handle=1808,i,14118136205856172445,7193442779931445645,262144 --enable-features=kWebSQLAccess --disable-features=SpareRendererForSitePerProcess,WinDelaySpellcheckServiceInit,WinRetrieveSuggestionsOnlyOnDemand --variations-seed-version /prefetch:3
          2⤵
            PID:4468
          • C:\Users\Admin\AppData\Local\Temp\Rara Audio.exe
            "C:\Users\Admin\AppData\Local\Temp\Rara Audio.exe" --type=renderer --user-data-dir="C:\Users\Admin\AppData\Roaming\RaraAudioApp" --app-user-model-id=com.raraaudio.app --app-path="C:\Users\Admin\AppData\Local\Temp\resources\app.asar" --no-sandbox --no-zygote --no-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=2340 --field-trial-handle=1808,i,14118136205856172445,7193442779931445645,262144 --enable-features=kWebSQLAccess --disable-features=SpareRendererForSitePerProcess,WinDelaySpellcheckServiceInit,WinRetrieveSuggestionsOnlyOnDemand --variations-seed-version /prefetch:1
            2⤵
              PID:2348
            • C:\Users\Admin\AppData\Local\Temp\Rara Audio.exe
              "C:\Users\Admin\AppData\Local\Temp\Rara Audio.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=10.0.22000.1 --no-sandbox --user-data-dir="C:\Users\Admin\AppData\Roaming\RaraAudioApp" --gpu-preferences=WAAAAAAAAADoAAAMAAAAAAAAAAAAAAAAAABgAAAAAAA4AAAAAAAAAAAAAABEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAGAAAAAAAAAAYAAAAAAAAAAgAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --mojo-platform-channel-handle=1052 --field-trial-handle=1808,i,14118136205856172445,7193442779931445645,262144 --enable-features=kWebSQLAccess --disable-features=SpareRendererForSitePerProcess,WinDelaySpellcheckServiceInit,WinRetrieveSuggestionsOnlyOnDemand --variations-seed-version /prefetch:8
              2⤵
              • Suspicious behavior: EnumeratesProcesses
              PID:4472
          • C:\Users\Admin\AppData\Local\Temp\Rara Audio.exe
            "C:\Users\Admin\AppData\Local\Temp\Rara Audio.exe"
            1⤵
            • Loads dropped DLL
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of WriteProcessMemory
            PID:3000
            • C:\Users\Admin\AppData\Local\Temp\Rara Audio.exe
              "C:\Users\Admin\AppData\Local\Temp\Rara Audio.exe" --type=gpu-process --no-sandbox --user-data-dir="C:\Users\Admin\AppData\Roaming\RaraAudioApp" --gpu-preferences=WAAAAAAAAADgAAAMAAAAAAAAAAAAAAAAAABgAAAAAAA4AAAAAAAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAGAAAAAAAAAAYAAAAAAAAAAgAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --mojo-platform-channel-handle=1844 --field-trial-handle=1848,i,18368709023144591185,10667916663027305239,262144 --enable-features=kWebSQLAccess --disable-features=SpareRendererForSitePerProcess,WinDelaySpellcheckServiceInit,WinRetrieveSuggestionsOnlyOnDemand --variations-seed-version /prefetch:2
              2⤵
                PID:4284
              • C:\Users\Admin\AppData\Local\Temp\Rara Audio.exe
                "C:\Users\Admin\AppData\Local\Temp\Rara Audio.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\RaraAudioApp" --mojo-platform-channel-handle=1940 --field-trial-handle=1848,i,18368709023144591185,10667916663027305239,262144 --enable-features=kWebSQLAccess --disable-features=SpareRendererForSitePerProcess,WinDelaySpellcheckServiceInit,WinRetrieveSuggestionsOnlyOnDemand --variations-seed-version /prefetch:3
                2⤵
                  PID:4708

              Network

                    MITRE ATT&CK Enterprise v16

                    Replay Monitor

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                    Downloads

                    setup-trace.log

                    • Path C:\ProgramData\windows\RaraAudioApp\setup-trace.log
                    • Size 280B
                    • SHA256 449264bf2bf2de23fb26c28900eb58bbc67582e5d014c97ea440899310df1d27
                    • MD5 SHA1 SHA512 TLSH

                    e8fccf15-ece6-49ed-b222-9bff55cacb76.tmp.node

                    • Path C:\Users\Admin\AppData\Local\Temp\e8fccf15-ece6-49ed-b222-9bff55cacb76.tmp.node
                    • Size 2.2MB
                    • SHA256 31838fdc8f660392939cbcc30738005fd5e0a2749d47005abbc17cec5e4a25e4
                    • MD5 SHA1 SHA512 SSDEEP TLSH

                    default.dic

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

                    Local State

                    • Path C:\Users\Admin\AppData\Roaming\RaraAudioApp\Local State
                    • Size 434B
                    • SHA256 39d1e66f4fe859a8e493e9794a7f1d82481b92a6ed263ea8b34e58154d1df8e0
                    • MD5 SHA1 SHA512 TLSH

                    Local State

                    • Path C:\Users\Admin\AppData\Roaming\RaraAudioApp\Local State
                    • Size 434B
                    • SHA256 f4d23057497e58974b42666b4e8926c9e5d9fce254ff8cd0a62c4b09fbbcf5f8
                    • MD5 SHA1 SHA512 TLSH

                    Network Persistent State

                    • Path C:\Users\Admin\AppData\Roaming\RaraAudioApp\Network\Network Persistent State
                    • Size 300B
                    • SHA256 513594784fcda353766a21bb4a42281b780ffd02847c4307c237652797b219d3
                    • MD5 SHA1 SHA512 TLSH

                    Network Persistent State~RFe59b75f.TMP

                    • Path C:\Users\Admin\AppData\Roaming\RaraAudioApp\Network\Network Persistent State~RFe59b75f.TMP
                    • Size 59B
                    • SHA256 226eec4486509917aa336afebd6ff65777b75b65f1fb06891d2a857a9421a974
                    • MD5 SHA1 SHA512 TLSH

                    CURRENT

                    • Path C:\Users\Admin\AppData\Roaming\RaraAudioApp\Session Storage\CURRENT
                    • Size 16B
                    • SHA256 0f1bad70c7bd1e0a69562853ec529355462fcd0423263a3d39d6d0d70b780443
                    • MD5 SHA1 SHA512

                    memory/3880-125-0x0000026D15670000-0x0000026D15947000-memory.dmp

                    memory/3880-79-0x0000026D15670000-0x0000026D15947000-memory.dmp

                    memory/3880-97-0x0000026D15670000-0x0000026D15947000-memory.dmp

                    memory/4472-113-0x0000018FA05E0000-0x0000018FA05E1000-memory.dmp

                    memory/4472-111-0x0000018FA05E0000-0x0000018FA05E1000-memory.dmp

                    memory/4472-123-0x0000018FA05E0000-0x0000018FA05E1000-memory.dmp

                    memory/4472-122-0x0000018FA05E0000-0x0000018FA05E1000-memory.dmp

                    memory/4472-121-0x0000018FA05E0000-0x0000018FA05E1000-memory.dmp

                    memory/4472-120-0x0000018FA05E0000-0x0000018FA05E1000-memory.dmp

                    memory/4472-119-0x0000018FA05E0000-0x0000018FA05E1000-memory.dmp

                    memory/4472-118-0x0000018FA05E0000-0x0000018FA05E1000-memory.dmp

                    memory/4472-117-0x0000018FA05E0000-0x0000018FA05E1000-memory.dmp

                    memory/4472-112-0x0000018FA05E0000-0x0000018FA05E1000-memory.dmp