Analysis

  • user interaction
    yes
  • max time kernel
    33s
  • max time network
    56s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    24/10/2026, 15:52

General

  • Target
    ARC Launcher_0.1.0_x64_en-US(1).msi
  • Size 10.9MB
  • Sample261024-tbcataax8s
  • SHA256 4a197714fbb486e97d4cf5d91820d02b5a2c51ffbf3c0cdd4475f5ecca09b8cb
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10

Malware Config

Signatures

  • Loads dropped DLL 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.

  • 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.

  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 1 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\ARC Launcher_0.1.0_x64_en-US(1).msi"
    1⤵
    • Enumerates connected drives
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    PID:5856
    • C:\Program Files\ARC Launcher\arc.exe
      "C:\Program Files\ARC Launcher\arc.exe"
      2⤵
        PID:3928
        • C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\msedgewebview2.exe
          "C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\msedgewebview2.exe" --embedded-browser-webview=1 --webview-exe-name=arc.exe --webview-exe-version=0.1.0 --user-data-dir="C:\Users\Admin\AppData\Local\dev.ofgn.arc\EBWebView" --noerrdialogs --embedded-browser-webview-dpi-awareness=2 --edge-webview-custom-scheme --autoplay-policy=no-user-gesture-required --disable-features=msWebOOUI,msPdfOOUI,msSmartScreenProtection --enable-features=MojoIpcz --lang=en-US --accept-lang=en-US --mojo-named-platform-channel-pipe=3928.3172.12181258114094481616 /pfhostedapp:1fd1ef7ce41c6d24be6dce4cb08940e016540efe
          3⤵
            PID:2176
            • C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\msedgewebview2.exe
              "C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\msedgewebview2.exe" --type=crashpad-handler --user-data-dir=C:\Users\Admin\AppData\Local\dev.ofgn.arc\EBWebView /prefetch:4 /pfhostedapp:1fd1ef7ce41c6d24be6dce4cb08940e016540efe --monitor-self-annotation=ptype=crashpad-handler --database=C:\Users\Admin\AppData\Local\dev.ofgn.arc\EBWebView\Crashpad --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=122.0.6261.139 "--annotation=exe=C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\msedgewebview2.exe" --annotation=plat=Win64 "--annotation=prod=Edge WebView2" --annotation=ver=122.0.2365.106 --initial-client-data=0x184,0x188,0x18c,0x160,0x194,0x7ffa87305fd8,0x7ffa87305fe4,0x7ffa87305ff0
              4⤵
                PID:3392
              • C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\msedgewebview2.exe
                "C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\msedgewebview2.exe" --type=gpu-process --noerrdialogs --user-data-dir="C:\Users\Admin\AppData\Local\dev.ofgn.arc\EBWebView" --webview-exe-name=arc.exe --webview-exe-version=0.1.0 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --edge-webview-custom-scheme --no-appcompat-clear --gpu-preferences=WAAAAAAAAADgAAAMAAAAAAAAAAAAAAAAAABgAAAAAAA4AAAAAAAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAGAAAAAAAAAAYAAAAAAAAAAgAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --mojo-platform-channel-handle=1772 --field-trial-handle=1784,i,1135310173974728788,18097572485846761900,262144 --enable-features=MojoIpcz --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version /prefetch:2 /pfhostedapp:1fd1ef7ce41c6d24be6dce4cb08940e016540efe
                4⤵
                  PID:3496
                • C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\msedgewebview2.exe
                  "C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\msedgewebview2.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --noerrdialogs --user-data-dir="C:\Users\Admin\AppData\Local\dev.ofgn.arc\EBWebView" --webview-exe-name=arc.exe --webview-exe-version=0.1.0 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --edge-webview-custom-scheme --no-appcompat-clear --mojo-platform-channel-handle=1904 --field-trial-handle=1784,i,1135310173974728788,18097572485846761900,262144 --enable-features=MojoIpcz --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version /prefetch:3 /pfhostedapp:1fd1ef7ce41c6d24be6dce4cb08940e016540efe
                  4⤵
                    PID:1484
                  • C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\msedgewebview2.exe
                    "C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\msedgewebview2.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --lang=en-US --service-sandbox-type=service --noerrdialogs --user-data-dir="C:\Users\Admin\AppData\Local\dev.ofgn.arc\EBWebView" --webview-exe-name=arc.exe --webview-exe-version=0.1.0 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --edge-webview-custom-scheme --no-appcompat-clear --mojo-platform-channel-handle=2480 --field-trial-handle=1784,i,1135310173974728788,18097572485846761900,262144 --enable-features=MojoIpcz --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version /prefetch:8 /pfhostedapp:1fd1ef7ce41c6d24be6dce4cb08940e016540efe
                    4⤵
                      PID:3548
                    • C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\msedgewebview2.exe
                      "C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\msedgewebview2.exe" --type=renderer --noerrdialogs --user-data-dir="C:\Users\Admin\AppData\Local\dev.ofgn.arc\EBWebView" --webview-exe-name=arc.exe --webview-exe-version=0.1.0 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --edge-webview-custom-scheme --no-appcompat-clear --autoplay-policy=no-user-gesture-required --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=" --mojo-platform-channel-handle=3312 --field-trial-handle=1784,i,1135310173974728788,18097572485846761900,262144 --enable-features=MojoIpcz --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version /pfhostedapp:1fd1ef7ce41c6d24be6dce4cb08940e016540efe /prefetch:1
                      4⤵
                        PID:5588
                • C:\Windows\system32\msiexec.exe
                  C:\Windows\system32\msiexec.exe /V
                  1⤵
                  • Enumerates connected drives
                  • Suspicious use of AdjustPrivilegeToken
                  • Suspicious use of SetWindowsHookEx
                  • Suspicious use of WriteProcessMemory
                  PID:4916
                  • C:\Windows\syswow64\MsiExec.exe
                    C:\Windows\syswow64\MsiExec.exe -Embedding 4B4646423EDE1E23315A413D55E53CAA C
                    2⤵
                    • Loads dropped DLL
                    • System Location Discovery: System Language Discovery
                    • Suspicious use of SetWindowsHookEx
                    PID:1416
                  • C:\Windows\system32\srtasks.exe
                    C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
                    2⤵
                      PID:1412
                  • C:\Windows\system32\vssvc.exe
                    C:\Windows\system32\vssvc.exe
                    1⤵
                    • Checks SCSI registry key(s)
                    PID:1396

                  Network

                        MITRE ATT&CK Enterprise v16

                        Replay Monitor

                        Loading Replay Monitor...

                        Downloads

                        e59a446.rbs

                        • Path C:\Config.Msi\e59a446.rbs
                        • Size 9KB
                        • SHA256 87fbf174ecc798f4b1b5f402985da885497802a5f892f56af0bde4e742c9eb77
                        • MD5 SHA1 SHA512 SSDEEP TLSH

                        arc.exe

                        • Path C:\Program Files\ARC Launcher\arc.exe
                        • Size 19.1MB
                        • SHA256 8986f289952661ae8a5d7b731ad947e1964c25122441baf2dbbd05123c1cef3a
                        • MD5 SHA1 SHA512 SSDEEP TLSH

                        ARC Launcher.lnk

                        • Path C:\ProgramData\Microsoft\Windows\Start Menu\Programs\ARC Launcher\ARC Launcher.lnk
                        • Size 1KB
                        • SHA256 e52d3ba007689fd7180f40fbfb89712eeea30cb65a69ff0de34a99c8c2fac9d3
                        • MD5 SHA1 SHA512 TLSH

                        ~RC Launcher.tmp

                        • Path C:\ProgramData\Microsoft\Windows\Start Menu\Programs\ARC Launcher\~RC Launcher.tmp
                        • Size 1KB
                        • SHA256 ae003b43d829a4f885d13cf478824c7d6d4fdf07ed0ec3869fdb1da9f55dcd5e
                        • MD5 SHA1 SHA512 TLSH

                        MSI4D99.tmp

                        • Path C:\Users\Admin\AppData\Local\Temp\MSI4D99.tmp
                        • Size 132KB
                        • SHA256 7f47d98ab25cfea9b3a2e898c3376cc9ba1cd893b4948b0c27caa530fd0e34cc
                        • MD5 SHA1 SHA512 SSDEEP TLSH

                        settings.dat

                        • Path C:\Users\Admin\AppData\Local\dev.ofgn.arc\EBWebView\Crashpad\settings.dat
                        • Size 280B
                        • SHA256 670aa1d70c45fb953faf304f6a6db63d475a540ea847cfdf97c5711c40c78205
                        • MD5 SHA1 SHA512

                        settings.dat

                        • Path C:\Users\Admin\AppData\Local\dev.ofgn.arc\EBWebView\Crashpad\settings.dat
                        • Size 280B
                        • SHA256 afe85684c80649a3cdecc2516b95b7c1fecab3729ebcc5f49b293ee1cff55ef0
                        • MD5 SHA1 SHA512 TLSH

                        throttle_store.dat

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

                        SCT Auditing Pending Reports

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

                        MANIFEST-000001

                        • Path C:\Users\Admin\AppData\Local\dev.ofgn.arc\EBWebView\Default\Site Characteristics Database\MANIFEST-000001
                        • Size 41B
                        • SHA256 f9d31b278e215eb0d0e9cd709edfa037e828f36214ab7906f612160fead4b2b4
                        • MD5 SHA1 SHA512

                        CURRENT

                        • Path C:\Users\Admin\AppData\Local\dev.ofgn.arc\EBWebView\Default\Sync Data\LevelDB\CURRENT
                        • Size 16B
                        • SHA256 0f1bad70c7bd1e0a69562853ec529355462fcd0423263a3d39d6d0d70b780443
                        • MD5 SHA1 SHA512

                        data_0

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

                        data_2

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

                        data_3

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

                        Local State

                        • Path C:\Users\Admin\AppData\Local\dev.ofgn.arc\EBWebView\Local State
                        • Size 1KB
                        • SHA256 686f09c63d6e5a148d6919f73199f254018dcb9eaa509e2bf18849985f57d7ff
                        • MD5 SHA1 SHA512 TLSH

                        db5a6b1a-4dbc-4c5e-9d73-d5e1c4d5e5f0.tmp

                        • Path C:\Users\Admin\AppData\Local\dev.ofgn.arc\EBWebView\db5a6b1a-4dbc-4c5e-9d73-d5e1c4d5e5f0.tmp
                        • Size 2KB
                        • SHA256 751e6ee0291ec9343f18894eccd1cfe4f8dd52c739754ceb8360db80f3a6a887
                        • MD5 SHA1 SHA512 TLSH

                        fab663eb-30fd-46e3-b352-29a2807a3d22.tmp

                        • Path C:\Users\Admin\AppData\Local\dev.ofgn.arc\EBWebView\fab663eb-30fd-46e3-b352-29a2807a3d22.tmp
                        • Size 3KB
                        • SHA256 37e414b537dcef1e2d3f87735fcc6af287163135e3e826b59813e66131029f02
                        • MD5 SHA1 SHA512 TLSH

                        e59a447.msi

                        • Path C:\Windows\Installer\e59a447.msi
                        • Size 10.9MB
                        • SHA256 4a197714fbb486e97d4cf5d91820d02b5a2c51ffbf3c0cdd4475f5ecca09b8cb
                        • MD5 SHA1 SHA512 SSDEEP TLSH

                        metadata-2

                        • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
                        • Size 26.1MB
                        • SHA256 77194e15e8c15e01d85f7a4062407ea98411f806e74aab1e2b47402efa3b7739
                        • MD5 SHA1 SHA512 SSDEEP TLSH

                        {2c38eca8-8b58-4817-9454-f1a9fd956104}_OnDiskSnapshotProp

                        • Path \??\Volume{e70967fa-0000-0000-0000-d08302000000}\System Volume Information\SPP\OnlineMetadataCache\{2c38eca8-8b58-4817-9454-f1a9fd956104}_OnDiskSnapshotProp
                        • Size 6KB
                        • SHA256 18033bc45b1b5121098e7f9fdcb738e3702ca7682bf81948ee136ccf926e1137
                        • MD5 SHA1 SHA512 SSDEEP TLSH

                        memory/3496-70-0x00007FFAAA0B0000-0x00007FFAAA0B1000-memory.dmp

                        memory/5588-88-0x00007FFAAA0B0000-0x00007FFAAA0B1000-memory.dmp