Analysis

  • user interaction
    yes
  • max time kernel
    33s
  • max time network
    40s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    03/05/2026, 14:29

General

  • Target
    Exlo_1.0.4_x64_en-US.msi
  • Size 8.3MB
  • Sample260503-rt1d9aew7m
  • SHA256 71ceb26f5f2cf6dd8a31d1907bf1284ea08343f8b1a2c398ec930e8f70d5e973
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 46 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Network Share Discovery 1 TTPs

    Attempt to gather information on host network.

  • Drops file in Program Files directory 2 IoCs
  • Drops file in Windows directory 10 IoCs
  • Event Triggered Execution: Installer Packages 2 TTPs 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

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

  • Checks SCSI registry key(s) 3 TTPs 5 IoCs

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

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies data under HKEY_USERS 3 IoCs
  • Modifies registry class 37 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

Processes

  • C:\Windows\system32\msiexec.exe
    msiexec.exe /I C:\Users\Admin\AppData\Local\Temp\Exlo_1.0.4_x64_en-US.msi
    1⤵
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:5856
    • C:\Program Files\Exlo\Exlo.exe
      "C:\Program Files\Exlo\Exlo.exe"
      2⤵
      • Executes dropped EXE
      • Checks whether UAC is enabled
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:392
      • 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=Exlo.exe --webview-exe-version=1.0.4 --user-data-dir="C:\Users\Admin\AppData\Local\dev.exlo\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=392.880.8783724479437140130
        3⤵
        • Enumerates system info in registry
        • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
        • Suspicious use of WriteProcessMemory
        PID:4604
        • 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\dev.exlo\EBWebView /prefetch:4 --monitor-self-annotation=ptype=crashpad-handler --database=C:\Users\Admin\AppData\Local\dev.exlo\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=0x15c,0x160,0x164,0x138,0x16c,0x7ffd10f7b078,0x7ffd10f7b084,0x7ffd10f7b090
          4⤵
            PID:704
          • 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\dev.exlo\EBWebView" --webview-exe-name=Exlo.exe --webview-exe-version=1.0.4 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --gpu-preferences=UAAAAAAAAADgAAAEAAAAAAAAAAAAAAAAAABgAAEAAAAAAAAAAAAAAAAAAAACAAAAAAAAAAAAAAAAAAAAAAAAABAAAAAAAAAAEAAAAAAAAAAIAAAAAAAAAAgAAAAAAAAA --always-read-main-dll --field-trial-handle=1732,i,10175642237089753010,962737533749800333,262144 --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version --mojo-platform-channel-handle=1728 /prefetch:2
            4⤵
              PID:5756
            • 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\dev.exlo\EBWebView" --webview-exe-name=Exlo.exe --webview-exe-version=1.0.4 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --always-read-main-dll --field-trial-handle=2036,i,10175642237089753010,962737533749800333,262144 --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version --mojo-platform-channel-handle=2052 /prefetch:3
              4⤵
                PID:3400
              • 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\dev.exlo\EBWebView" --webview-exe-name=Exlo.exe --webview-exe-version=1.0.4 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --always-read-main-dll --field-trial-handle=2360,i,10175642237089753010,962737533749800333,262144 --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version --mojo-platform-channel-handle=2372 /prefetch:8
                4⤵
                  PID:4740
                • 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\dev.exlo\EBWebView" --webview-exe-name=Exlo.exe --webview-exe-version=1.0.4 --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=3676,i,10175642237089753010,962737533749800333,262144 --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version --mojo-platform-channel-handle=3688 /prefetch:1
                  4⤵
                    PID:4204
            • C:\Windows\system32\msiexec.exe
              C:\Windows\system32\msiexec.exe /V
              1⤵
              • Enumerates connected drives
              • Drops file in Program Files directory
              • Drops file in Windows directory
              • Modifies data under HKEY_USERS
              • Modifies registry class
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              • Suspicious use of WriteProcessMemory
              PID:3924
              • C:\Windows\syswow64\MsiExec.exe
                C:\Windows\syswow64\MsiExec.exe -Embedding 9553B0837E59C466DCDACC2282D86AB9 C
                2⤵
                • Loads dropped DLL
                • System Location Discovery: System Language Discovery
                PID:2164
              • C:\Windows\system32\srtasks.exe
                C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
                2⤵
                  PID:5468
              • C:\Windows\system32\vssvc.exe
                C:\Windows\system32\vssvc.exe
                1⤵
                • Checks SCSI registry key(s)
                PID:3732

              Network

                    MITRE ATT&CK Enterprise v16

                    Replay Monitor

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                    Downloads

                    e585fdf.rbs

                    • Path C:\Config.Msi\e585fdf.rbs
                    • Size 10KB
                    • SHA256 db35b20e5ca7eb0a27d91f07388d4e8d7f8985a77704aafe6c2fd9885081ce37
                    • MD5 SHA1 SHA512 SSDEEP TLSH

                    Exlo.exe

                    • Path C:\Program Files\Exlo\Exlo.exe
                    • Size 24.3MB
                    • SHA256 9fba2f7bce09b8bb270ac35dc8e8de74485b4286d1167b84c9363f427f6001d6
                    • MD5 SHA1 SHA512 SSDEEP TLSH

                    Exlo.lnk

                    • Path C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Exlo\Exlo.lnk
                    • Size 1KB
                    • SHA256 05b2153fb667c026d773db7582c5ef9c361a9a117d1505070412c057dc3667d4
                    • MD5 SHA1 SHA512 TLSH

                    Exlo.lnk~RFe586220.TMP

                    • Path C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Exlo\Exlo.lnk~RFe586220.TMP
                    • Size 1KB
                    • SHA256 9bd55249d10223c53bf0fe9603f3d146af05f7398b3ad8fb800a958417441d67
                    • MD5 SHA1 SHA512 TLSH

                    MSI245C.tmp

                    • Path C:\Users\Admin\AppData\Local\Temp\MSI245C.tmp
                    • Size 132KB
                    • SHA256 7f47d98ab25cfea9b3a2e898c3376cc9ba1cd893b4948b0c27caa530fd0e34cc
                    • MD5 SHA1 SHA512 SSDEEP TLSH

                    settings.dat

                    • Path C:\Users\Admin\AppData\Local\dev.exlo\EBWebView\Crashpad\settings.dat
                    • Size 280B
                    • SHA256 1b0aa1dde0ac2a6ff9f191f483f1634efed587a8f1187a04d94e6e4424f3e595
                    • MD5 SHA1 SHA512

                    settings.dat

                    • Path C:\Users\Admin\AppData\Local\dev.exlo\EBWebView\Crashpad\settings.dat
                    • Size 280B
                    • SHA256 688a60ad2d7fa42102bb5fe1ff1df8fa17479dd072ae37fd0aac359ebc543044
                    • MD5 SHA1 SHA512 TLSH

                    throttle_store.dat

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

                    data_1

                    • Path C:\Users\Admin\AppData\Local\dev.exlo\EBWebView\Default\DawnGraphiteCache\data_1
                    • Size 264KB
                    • SHA256 902f30c1fb0597d0734bc34b979ec5d131f8f39a4b71b338083821216ec8d61b
                    • MD5 SHA1 SHA512 SSDEEP

                    data_0

                    • Path C:\Users\Admin\AppData\Local\dev.exlo\EBWebView\Default\DawnWebGPUCache\data_0
                    • Size 8KB
                    • SHA256 d6a5fe39cd672781b256e0e3102f7022635f1d4bb7cfcc90a80fffe4d0f3877e
                    • MD5 SHA1 SHA512 SSDEEP

                    data_2

                    • Path C:\Users\Admin\AppData\Local\dev.exlo\EBWebView\Default\DawnWebGPUCache\data_2
                    • Size 8KB
                    • SHA256 ec1702806f4cc7c42a82fc2b38e89835fde7c64bb32060e0823c9077ca92efb7
                    • MD5 SHA1 SHA512 SSDEEP

                    data_3

                    • Path C:\Users\Admin\AppData\Local\dev.exlo\EBWebView\Default\DawnWebGPUCache\data_3
                    • Size 8KB
                    • SHA256 e09f42c398d688dce168570291f1f92d079987deda3099a34adb9e8c0522b30c
                    • MD5 SHA1 SHA512 SSDEEP

                    MANIFEST-000001

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

                    SCT Auditing Pending Reports

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

                    CURRENT

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

                    Local State

                    • Path C:\Users\Admin\AppData\Local\dev.exlo\EBWebView\Local State
                    • Size 1KB
                    • SHA256 e3531454dc10c7fbf3e1fb215da46ce162b027ca25d6d388631be1ba2aeaa65d
                    • MD5 SHA1 SHA512 TLSH

                    Local State

                    • Path C:\Users\Admin\AppData\Local\dev.exlo\EBWebView\Local State
                    • Size 2KB
                    • SHA256 2a69e4c4a76fb7a3e7e5508ac28c89d36548fc30ff17cf37e10f465402c7514a
                    • MD5 SHA1 SHA512 TLSH

                    Local State

                    • Path C:\Users\Admin\AppData\Local\dev.exlo\EBWebView\Local State
                    • Size 3KB
                    • SHA256 0c29a50b6126d3cc28919c86d0faf660b87c21661bde20181768177547254a54
                    • MD5 SHA1 SHA512 TLSH

                    Local State~RFe587e53.TMP

                    • Path C:\Users\Admin\AppData\Local\dev.exlo\EBWebView\Local State~RFe587e53.TMP
                    • Size 1KB
                    • SHA256 46d5b739caa2a90ee3df6468ad8aa7fb878702700428d456fceca6cab9551735
                    • MD5 SHA1 SHA512 TLSH

                    e585fde.msi

                    • Path C:\Windows\Installer\e585fde.msi
                    • Size 8.3MB
                    • SHA256 71ceb26f5f2cf6dd8a31d1907bf1284ea08343f8b1a2c398ec930e8f70d5e973
                    • MD5 SHA1 SHA512 SSDEEP TLSH

                    metadata-2

                    • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
                    • Size 24.1MB
                    • SHA256 9a145fab4b98e637e00047bab63d026aabe5f2f38335bc20bad2f3ac03710245
                    • MD5 SHA1 SHA512 SSDEEP TLSH

                    {5aec153a-f7cf-43ee-bfd7-23f7763fe69b}_OnDiskSnapshotProp

                    • Path \??\Volume{568a4ae8-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{5aec153a-f7cf-43ee-bfd7-23f7763fe69b}_OnDiskSnapshotProp
                    • Size 6KB
                    • SHA256 84155dfd3ce9ae3d056baaa568f22d1588144c0c412ff3f0754c4a7766c446c2
                    • MD5 SHA1 SHA512 SSDEEP TLSH

                    memory/2164-44-0x0000000002520000-0x000000000259E000-memory.dmp

                    memory/2164-4-0x0000000002520000-0x000000000259E000-memory.dmp

                    memory/4204-181-0x00007FFD2FD70000-0x00007FFD2FD71000-memory.dmp

                    memory/4740-91-0x00007FFD2E7D0000-0x00007FFD2E7D1000-memory.dmp

                    memory/4740-92-0x00007FFD2F490000-0x00007FFD2F491000-memory.dmp

                    memory/5756-70-0x00007FFD2FD70000-0x00007FFD2FD71000-memory.dmp