Analysis

  • user interaction
    yes
  • max time kernel
    127s
  • max time network
    131s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    09/08/2026, 18:15

General

  • Target
    asmacro_0.1.0_x64_en-US.msi
  • Size 4.7MB
  • Sample260809-wwb7nabh22
  • SHA256 ddf98407bcd84922652a5bb0520f8838cea8aee0684a648498d57be97d772783
  • 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 14 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 26 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 4 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 21 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\asmacro_0.1.0_x64_en-US.msi
    1⤵
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4340
    • C:\Program Files\asmacro\asmacro.exe
      "C:\Program Files\asmacro\asmacro.exe"
      2⤵
      • Executes dropped EXE
      • Checks whether UAC is enabled
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:5672
      • 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=asmacro.exe --webview-exe-version=0.1.0 --user-data-dir="C:\Users\Admin\AppData\Local\me.asmek.asmacro\EBWebView" --noerrdialogs --embedded-browser-webview-dpi-awareness=2 --edge-webview-custom-scheme --disable-background-timer-throttling --disable-backgrounding-occluded-windows --disable-features=msWebOOUI,msPdfOOUI,msSmartScreenProtection,CalculateNativeWinOcclusion --disable-renderer-backgrounding --enable-features=MojoIpcz --lang=en-US --accept-lang=en-US --mojo-named-platform-channel-pipe=5672.3116.7257010096091664876 /pfhostedapp:e7b904d7f2a36e7a7f35168d32715f1040517129
        3⤵
        • Enumerates system info in registry
        • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
        • Suspicious use of WriteProcessMemory
        PID:2856
        • 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\me.asmek.asmacro\EBWebView /prefetch:4 /pfhostedapp:e7b904d7f2a36e7a7f35168d32715f1040517129 --monitor-self-annotation=ptype=crashpad-handler --database=C:\Users\Admin\AppData\Local\me.asmek.asmacro\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=0x18c,0x190,0x194,0x168,0x104,0x7ffeeac35fd8,0x7ffeeac35fe4,0x7ffeeac35ff0
          4⤵
            PID:3636
          • 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\me.asmek.asmacro\EBWebView" --webview-exe-name=asmacro.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=1796 --field-trial-handle=1800,i,13687105338949549133,8068219547492998712,262144 --enable-features=MojoIpcz --disable-features=CalculateNativeWinOcclusion,msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version /prefetch:2 /pfhostedapp:e7b904d7f2a36e7a7f35168d32715f1040517129
            4⤵
              PID:1632
            • 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\me.asmek.asmacro\EBWebView" --webview-exe-name=asmacro.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=2120 --field-trial-handle=1800,i,13687105338949549133,8068219547492998712,262144 --enable-features=MojoIpcz --disable-features=CalculateNativeWinOcclusion,msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version /prefetch:3 /pfhostedapp:e7b904d7f2a36e7a7f35168d32715f1040517129
              4⤵
                PID:5776
              • 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\me.asmek.asmacro\EBWebView" --webview-exe-name=asmacro.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=2340 --field-trial-handle=1800,i,13687105338949549133,8068219547492998712,262144 --enable-features=MojoIpcz --disable-features=CalculateNativeWinOcclusion,msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version /prefetch:8 /pfhostedapp:e7b904d7f2a36e7a7f35168d32715f1040517129
                4⤵
                  PID:5888
                • 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\me.asmek.asmacro\EBWebView" --webview-exe-name=asmacro.exe --webview-exe-version=0.1.0 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --edge-webview-custom-scheme --no-appcompat-clear --disable-background-timer-throttling --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=3308 --field-trial-handle=1800,i,13687105338949549133,8068219547492998712,262144 --enable-features=MojoIpcz --disable-features=CalculateNativeWinOcclusion,msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version /pfhostedapp:e7b904d7f2a36e7a7f35168d32715f1040517129 /prefetch:1
                  4⤵
                    PID:1796
                  • 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=audio.mojom.AudioService --lang=en-US --service-sandbox-type=audio --noerrdialogs --user-data-dir="C:\Users\Admin\AppData\Local\me.asmek.asmacro\EBWebView" --webview-exe-name=asmacro.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=3644 --field-trial-handle=1800,i,13687105338949549133,8068219547492998712,262144 --enable-features=MojoIpcz --disable-features=CalculateNativeWinOcclusion,msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version /prefetch:8 /pfhostedapp:e7b904d7f2a36e7a7f35168d32715f1040517129
                    4⤵
                      PID:2420
              • 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 SetWindowsHookEx
                • Suspicious use of WriteProcessMemory
                PID:1668
                • C:\Windows\syswow64\MsiExec.exe
                  C:\Windows\syswow64\MsiExec.exe -Embedding 05EB1AD31010AA0889096436C4A43FAC C
                  2⤵
                  • Loads dropped DLL
                  • System Location Discovery: System Language Discovery
                  • Suspicious use of SetWindowsHookEx
                  PID:4732
                • C:\Windows\system32\srtasks.exe
                  C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
                  2⤵
                    PID:3932
                • C:\Windows\system32\vssvc.exe
                  C:\Windows\system32\vssvc.exe
                  1⤵
                  • Checks SCSI registry key(s)
                  PID:2552

                Network

                      MITRE ATT&CK Enterprise v16

                      Replay Monitor

                      Loading Replay Monitor...

                      Downloads

                      e5a01a8.rbs

                      • Path C:\Config.Msi\e5a01a8.rbs
                      • Size 9KB
                      • SHA256 bb4e7dd86d79a045b4c692cb0fa285cc5955eb786ff4f6507483fbff10f221ad
                      • MD5 SHA1 SHA512 SSDEEP TLSH

                      asmacro.exe

                      • Path C:\Program Files\asmacro\asmacro.exe
                      • Size 14.0MB
                      • SHA256 c60834a2b15b3688436f3ee9ad31cc07f1dce2161097c4c4e576618af4b8ad57
                      • MD5 SHA1 SHA512 SSDEEP TLSH

                      asmacro.lnk

                      • Path C:\ProgramData\Microsoft\Windows\Start Menu\Programs\asmacro\asmacro.lnk
                      • Size 1KB
                      • SHA256 3c13ffe0b88fdded9275ad3b647c399b11b4d147c931a328d5667aff5ff717ee
                      • MD5 SHA1 SHA512 TLSH

                      asmacro.lnk~RFe5a09d5.TMP

                      • Path C:\ProgramData\Microsoft\Windows\Start Menu\Programs\asmacro\asmacro.lnk~RFe5a09d5.TMP
                      • Size 1KB
                      • SHA256 6757a97fb55626724a2a06af6058fd96a669f40587a168c75ef7f75274f5d7eb
                      • MD5 SHA1 SHA512 TLSH

                      MSI9B5C.tmp

                      • Path C:\Users\Admin\AppData\Local\Temp\MSI9B5C.tmp
                      • Size 132KB
                      • SHA256 7f47d98ab25cfea9b3a2e898c3376cc9ba1cd893b4948b0c27caa530fd0e34cc
                      • MD5 SHA1 SHA512 SSDEEP TLSH

                      settings.dat

                      • Path C:\Users\Admin\AppData\Local\me.asmek.asmacro\EBWebView\Crashpad\settings.dat
                      • Size 280B
                      • SHA256 4158d5d5fe3fc9c5ae51339a1fa63f98598429eb8fd09276e8beb85670c99fce
                      • MD5 SHA1 SHA512

                      settings.dat

                      • Path C:\Users\Admin\AppData\Local\me.asmek.asmacro\EBWebView\Crashpad\settings.dat
                      • Size 280B
                      • SHA256 43854735d27c866744601245c06a83604be5c84160274285c291eb053957a865
                      • MD5 SHA1 SHA512 TLSH

                      throttle_store.dat

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

                      70bae424-1570-4e47-bd16-80420624cc20.tmp

                      • Path C:\Users\Admin\AppData\Local\me.asmek.asmacro\EBWebView\Default\70bae424-1570-4e47-bd16-80420624cc20.tmp
                      • Size 6KB
                      • SHA256 54db3d3e9dcecb42a44d72bd134cfa76c25386eaa982de45062db66b323b7521
                      • MD5 SHA1 SHA512 SSDEEP TLSH

                      the-real-index

                      • Path C:\Users\Admin\AppData\Local\me.asmek.asmacro\EBWebView\Default\Code Cache\js\index-dir\the-real-index
                      • Size 72B
                      • SHA256 18dd76773c86bb01adf98058c2520a84d5ee524b04afb237fc8bc7fa1c962249
                      • MD5 SHA1 SHA512 TLSH

                      the-real-index~RFe5a7fb1.TMP

                      • Path C:\Users\Admin\AppData\Local\me.asmek.asmacro\EBWebView\Default\Code Cache\js\index-dir\the-real-index~RFe5a7fb1.TMP
                      • Size 48B
                      • SHA256 ec7d07574322266027b45907ca048e855b73964a3c5c78244a3c3aa7414cabf5
                      • MD5 SHA1 SHA512

                      data_1

                      • Path C:\Users\Admin\AppData\Local\me.asmek.asmacro\EBWebView\Default\GPUCache\data_1
                      • Size 264KB
                      • SHA256 b1e963d702392fb7224786e7d56d43973e9b9efd1b89c17814d7c558ffc0cdec
                      • MD5 SHA1 SHA512 SSDEEP

                      SCT Auditing Pending Reports

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

                      CURRENT

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

                      MANIFEST-000001

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

                      data_0

                      • Path C:\Users\Admin\AppData\Local\me.asmek.asmacro\EBWebView\GraphiteDawnCache\data_0
                      • Size 8KB
                      • SHA256 d6a5fe39cd672781b256e0e3102f7022635f1d4bb7cfcc90a80fffe4d0f3877e
                      • MD5 SHA1 SHA512 SSDEEP

                      data_2

                      • Path C:\Users\Admin\AppData\Local\me.asmek.asmacro\EBWebView\GraphiteDawnCache\data_2
                      • Size 8KB
                      • SHA256 ec1702806f4cc7c42a82fc2b38e89835fde7c64bb32060e0823c9077ca92efb7
                      • MD5 SHA1 SHA512 SSDEEP

                      data_3

                      • Path C:\Users\Admin\AppData\Local\me.asmek.asmacro\EBWebView\GraphiteDawnCache\data_3
                      • Size 8KB
                      • SHA256 e09f42c398d688dce168570291f1f92d079987deda3099a34adb9e8c0522b30c
                      • MD5 SHA1 SHA512 SSDEEP

                      Local State

                      • Path C:\Users\Admin\AppData\Local\me.asmek.asmacro\EBWebView\Local State
                      • Size 2KB
                      • SHA256 292cd1d9874491ebb5891936aeea96a6845b1a91472410da71cf1cb4cb1ed8b2
                      • MD5 SHA1 SHA512 TLSH

                      Local State

                      • Path C:\Users\Admin\AppData\Local\me.asmek.asmacro\EBWebView\Local State
                      • Size 3KB
                      • SHA256 5c3e126819eb1333703ab636e6209c211a5862ff3bb23515dfe5a1c01e4227e8
                      • MD5 SHA1 SHA512 TLSH

                      Local State

                      • Path C:\Users\Admin\AppData\Local\me.asmek.asmacro\EBWebView\Local State
                      • Size 15KB
                      • SHA256 6a1ce3abf7726639b557df36ad480bf039d90a1226b9c59e01c77eaeaf3ffe66
                      • MD5 SHA1 SHA512 SSDEEP TLSH

                      Local State~RFe5a2cfd.TMP

                      • Path C:\Users\Admin\AppData\Local\me.asmek.asmacro\EBWebView\Local State~RFe5a2cfd.TMP
                      • Size 1KB
                      • SHA256 02d290269f2a07b821b5e35e6e4434c9a2082612b8a0a1a4c0724f1f452a8b0c
                      • MD5 SHA1 SHA512 TLSH

                      e5a01a7.msi

                      • Path C:\Windows\Installer\e5a01a7.msi
                      • Size 4.7MB
                      • SHA256 ddf98407bcd84922652a5bb0520f8838cea8aee0684a648498d57be97d772783
                      • MD5 SHA1 SHA512 SSDEEP TLSH

                      metadata-2

                      • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
                      • Size 26.1MB
                      • SHA256 7ff7e249541649f5c345e120706cf858e888ba4764a8045806f89e0d00eb1b97
                      • MD5 SHA1 SHA512 SSDEEP TLSH

                      {b6e02832-50de-4d5f-8aa0-d7e33aa71666}_OnDiskSnapshotProp

                      • Path \??\Volume{c576ab2f-0000-0000-0000-d08302000000}\System Volume Information\SPP\OnlineMetadataCache\{b6e02832-50de-4d5f-8aa0-d7e33aa71666}_OnDiskSnapshotProp
                      • Size 6KB
                      • SHA256 1f5f4e46e638681d08e98260a95314f9dd56bdc25aa443d082e407c338511406
                      • MD5 SHA1 SHA512 SSDEEP TLSH

                      memory/1632-64-0x00007FFF0E770000-0x00007FFF0E771000-memory.dmp

                      memory/1796-95-0x00007FFF0E770000-0x00007FFF0E771000-memory.dmp