Analysis

  • max time kernel
    150s
  • max time network
    147s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    13/08/2026, 10:33

General

  • Target
    Writtt.exe
  • Size 16.3MB
  • Sample260813-mltvaaab95
  • SHA256 6b113a59bf495cf9ef44a950993a58f8dabbf70a533c10b814f768db71d0f21d
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Network Share Discovery 1 TTPs

    Attempt to gather information on host network.

  • Drops file in Windows directory 20 IoCs
  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 1 IoCs
  • Suspicious use of WriteProcessMemory 25 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Writtt.exe
    "C:\Users\Admin\AppData\Local\Temp\Writtt.exe"
    1⤵
    • Checks whether UAC is enabled
    • Suspicious use of WriteProcessMemory
    PID:4920
    • 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=Writtt.exe --webview-exe-version=0.1.3 --user-data-dir="C:\Users\Admin\AppData\Roaming\Writtt.exe\EBWebView" --noerrdialogs --embedded-browser-webview-dpi-awareness=2 --disable-features=msSmartScreenProtection --enable-features=MojoIpcz --mojo-named-platform-channel-pipe=4920.4092.324029824332152864 /pfhostedapp:f13737cac571ab3e35b1429d18f20ba641f4f31e
      2⤵
      • Drops file in Windows directory
      • Enumerates system info in registry
      • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
      • Suspicious use of WriteProcessMemory
      PID:2068
      • 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\Roaming\Writtt.exe\EBWebView /prefetch:4 /pfhostedapp:f13737cac571ab3e35b1429d18f20ba641f4f31e --monitor-self-annotation=ptype=crashpad-handler --database=C:\Users\Admin\AppData\Roaming\Writtt.exe\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,0xa4,0x194,0x7ffe9f1e5fd8,0x7ffe9f1e5fe4,0x7ffe9f1e5ff0
        3⤵
          PID:5088
        • 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\Roaming\Writtt.exe\EBWebView" --webview-exe-name=Writtt.exe --webview-exe-version=0.1.3 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --no-appcompat-clear --gpu-preferences=WAAAAAAAAADgAAAMAAAAAAAAAAAAAAAAAABgAAAAAAA4AAAAAAAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAGAAAAAAAAAAYAAAAAAAAAAgAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --mojo-platform-channel-handle=1764 --field-trial-handle=1768,i,5228671372719401865,8382279088859450936,262144 --enable-features=MojoIpcz --disable-features=msSmartScreenProtection --variations-seed-version /prefetch:2 /pfhostedapp:f13737cac571ab3e35b1429d18f20ba641f4f31e
          3⤵
            PID:5436
          • 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\Roaming\Writtt.exe\EBWebView" --webview-exe-name=Writtt.exe --webview-exe-version=0.1.3 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --no-appcompat-clear --mojo-platform-channel-handle=1912 --field-trial-handle=1768,i,5228671372719401865,8382279088859450936,262144 --enable-features=MojoIpcz --disable-features=msSmartScreenProtection --variations-seed-version /prefetch:3 /pfhostedapp:f13737cac571ab3e35b1429d18f20ba641f4f31e
            3⤵
              PID:3884
            • 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\Roaming\Writtt.exe\EBWebView" --webview-exe-name=Writtt.exe --webview-exe-version=0.1.3 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --no-appcompat-clear --mojo-platform-channel-handle=2320 --field-trial-handle=1768,i,5228671372719401865,8382279088859450936,262144 --enable-features=MojoIpcz --disable-features=msSmartScreenProtection --variations-seed-version /prefetch:8 /pfhostedapp:f13737cac571ab3e35b1429d18f20ba641f4f31e
              3⤵
                PID:4196
              • 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\Roaming\Writtt.exe\EBWebView" --webview-exe-name=Writtt.exe --webview-exe-version=0.1.3 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --no-appcompat-clear --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=3492 --field-trial-handle=1768,i,5228671372719401865,8382279088859450936,262144 --enable-features=MojoIpcz --disable-features=msSmartScreenProtection --variations-seed-version /pfhostedapp:f13737cac571ab3e35b1429d18f20ba641f4f31e /prefetch:1
                3⤵
                  PID:5816
                • 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=unzip.mojom.Unzipper --lang=en-US --service-sandbox-type=service --noerrdialogs --user-data-dir="C:\Users\Admin\AppData\Roaming\Writtt.exe\EBWebView" --webview-exe-name=Writtt.exe --webview-exe-version=0.1.3 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --no-appcompat-clear --mojo-platform-channel-handle=4512 --field-trial-handle=1768,i,5228671372719401865,8382279088859450936,262144 --enable-features=MojoIpcz --disable-features=msSmartScreenProtection --variations-seed-version /prefetch:8 /pfhostedapp:f13737cac571ab3e35b1429d18f20ba641f4f31e
                  3⤵
                    PID:1828
                  • 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=unzip.mojom.Unzipper --lang=en-US --service-sandbox-type=service --noerrdialogs --user-data-dir="C:\Users\Admin\AppData\Roaming\Writtt.exe\EBWebView" --webview-exe-name=Writtt.exe --webview-exe-version=0.1.3 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --no-appcompat-clear --mojo-platform-channel-handle=1964 --field-trial-handle=1768,i,5228671372719401865,8382279088859450936,262144 --enable-features=MojoIpcz --disable-features=msSmartScreenProtection --variations-seed-version /prefetch:8 /pfhostedapp:f13737cac571ab3e35b1429d18f20ba641f4f31e
                    3⤵
                      PID:1540
                    • 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 --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=10.0.26100.1301 --noerrdialogs --user-data-dir="C:\Users\Admin\AppData\Roaming\Writtt.exe\EBWebView" --webview-exe-name=Writtt.exe --webview-exe-version=0.1.3 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --no-appcompat-clear --gpu-preferences=WAAAAAAAAADoAAAMAAAAAAAAAAAAAAAAAABgAAAAAAA4AAAAAAAAAAAAAABEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAGAAAAAAAAAAYAAAAAAAAAAgAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --mojo-platform-channel-handle=4516 --field-trial-handle=1768,i,5228671372719401865,8382279088859450936,262144 --enable-features=MojoIpcz --disable-features=msSmartScreenProtection --variations-seed-version /prefetch:8 /pfhostedapp:f13737cac571ab3e35b1429d18f20ba641f4f31e
                      3⤵
                      • Suspicious behavior: EnumeratesProcesses
                      PID:4172
                    • 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=unzip.mojom.Unzipper --lang=en-US --service-sandbox-type=service --noerrdialogs --user-data-dir="C:\Users\Admin\AppData\Roaming\Writtt.exe\EBWebView" --webview-exe-name=Writtt.exe --webview-exe-version=0.1.3 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --no-appcompat-clear --mojo-platform-channel-handle=4436 --field-trial-handle=1768,i,5228671372719401865,8382279088859450936,262144 --enable-features=MojoIpcz --disable-features=msSmartScreenProtection --variations-seed-version /prefetch:8 /pfhostedapp:f13737cac571ab3e35b1429d18f20ba641f4f31e
                      3⤵
                        PID:3756

                  Network

                        MITRE ATT&CK Enterprise v16

                        Replay Monitor

                        Loading Replay Monitor...

                        Downloads

                        settings.dat

                        • Path C:\Users\Admin\AppData\Roaming\Writtt.exe\EBWebView\Crashpad\settings.dat
                        • Size 280B
                        • SHA256 3ce10a6d4d653c42d904365636dab5dfdeff9f5771936833c916c68822723d4a
                        • MD5 SHA1 SHA512 TLSH

                        settings.dat

                        • Path C:\Users\Admin\AppData\Roaming\Writtt.exe\EBWebView\Crashpad\settings.dat
                        • Size 280B
                        • SHA256 206814a53b16f949b5706a079b78ed22c1476a5808329e24fa34e49effe558bf
                        • MD5 SHA1 SHA512 TLSH

                        throttle_store.dat

                        • Path C:\Users\Admin\AppData\Roaming\Writtt.exe\EBWebView\Crashpad\throttle_store.dat
                        • Size 20B
                        • SHA256 41c91a9c93d76295746a149dce7ebb3b9ee2cb551d84365fff108e59a61cc304
                        • MD5 SHA1 SHA512

                        49b9d8fd-633e-4f02-9fd6-962653e7a1e0.tmp

                        • Path C:\Users\Admin\AppData\Roaming\Writtt.exe\EBWebView\Default\49b9d8fd-633e-4f02-9fd6-962653e7a1e0.tmp
                        • Size 6KB
                        • SHA256 76cd7f299c7cc855adbd28142894d4ebb2561573c0152cb636ad43d0a0715585
                        • MD5 SHA1 SHA512 SSDEEP TLSH

                        the-real-index

                        • Path C:\Users\Admin\AppData\Roaming\Writtt.exe\EBWebView\Default\Code Cache\js\index-dir\the-real-index
                        • Size 96B
                        • SHA256 9b35381225d33622c66c5994b8056e3573d4af1496517ac1d6d16526894b70fe
                        • MD5 SHA1 SHA512 TLSH

                        the-real-index~RFe594a4e.TMP

                        • Path C:\Users\Admin\AppData\Roaming\Writtt.exe\EBWebView\Default\Code Cache\js\index-dir\the-real-index~RFe594a4e.TMP
                        • Size 48B
                        • SHA256 5320631055cb0b32c6a9562d6ef98c3849d7f87f308b1019e30dbb9b781e1d72
                        • MD5 SHA1 SHA512

                        8ee3d675-2b57-4316-aa49-9a5a49d55ce7.tmp

                        • Path C:\Users\Admin\AppData\Roaming\Writtt.exe\EBWebView\Default\Network\8ee3d675-2b57-4316-aa49-9a5a49d55ce7.tmp
                        • Size 2B
                        • SHA256 4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945
                        • MD5 SHA1 SHA512

                        Network Persistent State

                        • Path C:\Users\Admin\AppData\Roaming\Writtt.exe\EBWebView\Default\Network\Network Persistent State
                        • Size 821B
                        • SHA256 c60f25af48e2df6fb95450dc220cff58f83167bcbc9df9fdf776762f4713eaff
                        • MD5 SHA1 SHA512 TLSH

                        Network Persistent State~RFe5a0d40.TMP

                        • Path C:\Users\Admin\AppData\Roaming\Writtt.exe\EBWebView\Default\Network\Network Persistent State~RFe5a0d40.TMP
                        • Size 59B
                        • SHA256 226eec4486509917aa336afebd6ff65777b75b65f1fb06891d2a857a9421a974
                        • MD5 SHA1 SHA512 TLSH

                        Preferences

                        • Path C:\Users\Admin\AppData\Roaming\Writtt.exe\EBWebView\Default\Preferences
                        • Size 6KB
                        • SHA256 8b23c5658d71fffbd2421e20cc9e13122d2be2c6ac58bf4e56af6b36f180d6bd
                        • MD5 SHA1 SHA512 SSDEEP TLSH

                        CURRENT

                        • Path C:\Users\Admin\AppData\Roaming\Writtt.exe\EBWebView\Default\Sync Data\LevelDB\CURRENT
                        • Size 16B
                        • SHA256 0f1bad70c7bd1e0a69562853ec529355462fcd0423263a3d39d6d0d70b780443
                        • MD5 SHA1 SHA512

                        MANIFEST-000001

                        • Path C:\Users\Admin\AppData\Roaming\Writtt.exe\EBWebView\Default\Sync Data\LevelDB\MANIFEST-000001
                        • Size 41B
                        • SHA256 f9d31b278e215eb0d0e9cd709edfa037e828f36214ab7906f612160fead4b2b4
                        • MD5 SHA1 SHA512

                        data_0

                        • Path C:\Users\Admin\AppData\Roaming\Writtt.exe\EBWebView\GraphiteDawnCache\data_0
                        • Size 8KB
                        • SHA256 d6a5fe39cd672781b256e0e3102f7022635f1d4bb7cfcc90a80fffe4d0f3877e
                        • MD5 SHA1 SHA512 SSDEEP

                        data_1

                        • Path C:\Users\Admin\AppData\Roaming\Writtt.exe\EBWebView\GraphiteDawnCache\data_1
                        • Size 264KB
                        • SHA256 902f30c1fb0597d0734bc34b979ec5d131f8f39a4b71b338083821216ec8d61b
                        • MD5 SHA1 SHA512 SSDEEP

                        data_2

                        • Path C:\Users\Admin\AppData\Roaming\Writtt.exe\EBWebView\GraphiteDawnCache\data_2
                        • Size 8KB
                        • SHA256 ec1702806f4cc7c42a82fc2b38e89835fde7c64bb32060e0823c9077ca92efb7
                        • MD5 SHA1 SHA512 SSDEEP

                        data_3

                        • Path C:\Users\Admin\AppData\Roaming\Writtt.exe\EBWebView\GraphiteDawnCache\data_3
                        • Size 8KB
                        • SHA256 e09f42c398d688dce168570291f1f92d079987deda3099a34adb9e8c0522b30c
                        • MD5 SHA1 SHA512 SSDEEP

                        Local State

                        • Path C:\Users\Admin\AppData\Roaming\Writtt.exe\EBWebView\Local State
                        • Size 3KB
                        • SHA256 c5f223c021c27d7343504fa1c74c96ca5b3f6e741d76c30a7679fedfb2f41c3a
                        • MD5 SHA1 SHA512 TLSH

                        Local State

                        • Path C:\Users\Admin\AppData\Roaming\Writtt.exe\EBWebView\Local State
                        • Size 15KB
                        • SHA256 abcb466b0ef31f7cad4822f71429364eccf5b558d773ab608d7749fd05da9c98
                        • MD5 SHA1 SHA512 SSDEEP TLSH

                        Local State

                        • Path C:\Users\Admin\AppData\Roaming\Writtt.exe\EBWebView\Local State
                        • Size 2KB
                        • SHA256 bcafc351d44b99dba2105caba86f15e1ff5d087248a553979271df2481504957
                        • MD5 SHA1 SHA512 TLSH

                        Local State~RFe58f603.TMP

                        • Path C:\Users\Admin\AppData\Roaming\Writtt.exe\EBWebView\Local State~RFe58f603.TMP
                        • Size 1KB
                        • SHA256 40b5c36eaeeec5452c6ede41cdc2ea0008aef27c4b0aabf54ebb542ca234005c
                        • MD5 SHA1 SHA512 TLSH

                        memory/1828-229-0x00007FFEBED40000-0x00007FFEBED41000-memory.dmp

                        memory/1828-230-0x00007FFEBF790000-0x00007FFEBF791000-memory.dmp

                        memory/4172-309-0x0000018A6EB10000-0x0000018A6EB11000-memory.dmp

                        memory/4172-307-0x0000018A6EB10000-0x0000018A6EB11000-memory.dmp

                        memory/4172-316-0x0000018A6EB10000-0x0000018A6EB11000-memory.dmp

                        memory/4172-318-0x0000018A6EB10000-0x0000018A6EB11000-memory.dmp

                        memory/4172-317-0x0000018A6EB10000-0x0000018A6EB11000-memory.dmp

                        memory/4172-315-0x0000018A6EB10000-0x0000018A6EB11000-memory.dmp

                        memory/4172-313-0x0000018A6EB10000-0x0000018A6EB11000-memory.dmp

                        memory/4172-314-0x0000018A6EB10000-0x0000018A6EB11000-memory.dmp

                        memory/5436-26-0x00007FFEBE820000-0x00007FFEBE821000-memory.dmp

                        memory/5816-112-0x00007FFEBE820000-0x00007FFEBE821000-memory.dmp