Analysis

  • max time kernel
    148s
  • max time network
    153s
  • 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, 18:13

General

  • Target
    GradeGem/GradeGem.exe
  • Size 4.9MB
  • Sample260813-wt38csdm8z
  • SHA256 aa75618a4aaa8efd085a73bf10ef7f6b54a8ea12f93dbe405b231166a900d8f5
  • 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 57 IoCs
  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 22 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\GradeGem\GradeGem.exe
    "C:\Users\Admin\AppData\Local\Temp\GradeGem\GradeGem.exe"
    1⤵
    • Checks whether UAC is enabled
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:1348
    • 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=GradeGem.exe --webview-exe-version=0.3.0 --user-data-dir="C:\Users\Admin\AppData\Local\com.lootfruit.gradegem\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=1348.6080.4888174442360369384 /pfhostedapp:46db547428c30d5322f34e48e948a4044d9086dd
      2⤵
      • Drops file in Windows directory
      • Enumerates system info in registry
      • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
      • Suspicious use of WriteProcessMemory
      PID:3268
      • 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\com.lootfruit.gradegem\EBWebView /prefetch:4 /pfhostedapp:46db547428c30d5322f34e48e948a4044d9086dd --monitor-self-annotation=ptype=crashpad-handler --database=C:\Users\Admin\AppData\Local\com.lootfruit.gradegem\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,0x160,0x194,0x7fffd02a5fd8,0x7fffd02a5fe4,0x7fffd02a5ff0
        3⤵
          PID:4528
        • 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\com.lootfruit.gradegem\EBWebView" --webview-exe-name=GradeGem.exe --webview-exe-version=0.3.0 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --edge-webview-custom-scheme --no-appcompat-clear --gpu-preferences=WAAAAAAAAADgAAAMAAAAAAAAAAAAAAAAAABgAAAAAAA4AAAAAAAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAGAAAAAAAAAAYAAAAAAAAAAgAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --mojo-platform-channel-handle=1888 --field-trial-handle=1892,i,7321262328886118033,974100158902665999,262144 --enable-features=MojoIpcz --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version /prefetch:2 /pfhostedapp:46db547428c30d5322f34e48e948a4044d9086dd
          3⤵
            PID:3404
          • 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\com.lootfruit.gradegem\EBWebView" --webview-exe-name=GradeGem.exe --webview-exe-version=0.3.0 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --edge-webview-custom-scheme --no-appcompat-clear --mojo-platform-channel-handle=2192 --field-trial-handle=1892,i,7321262328886118033,974100158902665999,262144 --enable-features=MojoIpcz --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version /prefetch:3 /pfhostedapp:46db547428c30d5322f34e48e948a4044d9086dd
            3⤵
              PID:3376
            • 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\com.lootfruit.gradegem\EBWebView" --webview-exe-name=GradeGem.exe --webview-exe-version=0.3.0 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --edge-webview-custom-scheme --no-appcompat-clear --mojo-platform-channel-handle=2348 --field-trial-handle=1892,i,7321262328886118033,974100158902665999,262144 --enable-features=MojoIpcz --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version /prefetch:8 /pfhostedapp:46db547428c30d5322f34e48e948a4044d9086dd
              3⤵
                PID:2760
              • 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\com.lootfruit.gradegem\EBWebView" --webview-exe-name=GradeGem.exe --webview-exe-version=0.3.0 --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=3352 --field-trial-handle=1892,i,7321262328886118033,974100158902665999,262144 --enable-features=MojoIpcz --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version /pfhostedapp:46db547428c30d5322f34e48e948a4044d9086dd /prefetch:1
                3⤵
                  PID:5132
                • 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\Local\com.lootfruit.gradegem\EBWebView" --webview-exe-name=GradeGem.exe --webview-exe-version=0.3.0 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --edge-webview-custom-scheme --no-appcompat-clear --mojo-platform-channel-handle=4392 --field-trial-handle=1892,i,7321262328886118033,974100158902665999,262144 --enable-features=MojoIpcz --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version /prefetch:8 /pfhostedapp:46db547428c30d5322f34e48e948a4044d9086dd
                  3⤵
                    PID:4312
                  • 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\Local\com.lootfruit.gradegem\EBWebView" --webview-exe-name=GradeGem.exe --webview-exe-version=0.3.0 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --edge-webview-custom-scheme --no-appcompat-clear --gpu-preferences=WAAAAAAAAADoAAAMAAAAAAAAAAAAAAAAAABgAAAAAAA4AAAAAAAAAAAAAABEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAGAAAAAAAAAAYAAAAAAAAAAgAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --mojo-platform-channel-handle=4336 --field-trial-handle=1892,i,7321262328886118033,974100158902665999,262144 --enable-features=MojoIpcz --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version /prefetch:8 /pfhostedapp:46db547428c30d5322f34e48e948a4044d9086dd
                    3⤵
                    • Suspicious behavior: EnumeratesProcesses
                    PID:6120
                  • 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\Local\com.lootfruit.gradegem\EBWebView" --webview-exe-name=GradeGem.exe --webview-exe-version=0.3.0 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --edge-webview-custom-scheme --no-appcompat-clear --mojo-platform-channel-handle=2888 --field-trial-handle=1892,i,7321262328886118033,974100158902665999,262144 --enable-features=MojoIpcz --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version /prefetch:8 /pfhostedapp:46db547428c30d5322f34e48e948a4044d9086dd
                    3⤵
                      PID:1008

                Network

                      MITRE ATT&CK Enterprise v16

                      Replay Monitor

                      Loading Replay Monitor...

                      Downloads

                      settings.dat

                      • Path C:\Users\Admin\AppData\Local\com.lootfruit.gradegem\EBWebView\Crashpad\settings.dat
                      • Size 280B
                      • SHA256 7a4ad294654168ca2b6a4b589ad0ce6b9fbbd01305562c97b46f295f1bc0d7ea
                      • MD5 SHA1 SHA512 TLSH

                      settings.dat

                      • Path C:\Users\Admin\AppData\Local\com.lootfruit.gradegem\EBWebView\Crashpad\settings.dat
                      • Size 280B
                      • SHA256 abd9d9fe809cc8c894a8211d7abab991655f4ed2e52c5c27625c38666bbd3a1b
                      • MD5 SHA1 SHA512

                      throttle_store.dat

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

                      the-real-index

                      • Path C:\Users\Admin\AppData\Local\com.lootfruit.gradegem\EBWebView\Default\Code Cache\js\index-dir\the-real-index
                      • Size 408B
                      • SHA256 84499d161eb53a416dee58598f0abcf523d7f3570a341ea7bed5b2b7a1152f19
                      • MD5 SHA1 SHA512 TLSH

                      the-real-index~RFe59ebfc.TMP

                      • Path C:\Users\Admin\AppData\Local\com.lootfruit.gradegem\EBWebView\Default\Code Cache\js\index-dir\the-real-index~RFe59ebfc.TMP
                      • Size 48B
                      • SHA256 5833957066eab70cac0f9f3f1fac59770499761b3519c0c8d100d4ec2f15330b
                      • MD5 SHA1 SHA512

                      MANIFEST-000001

                      • Path C:\Users\Admin\AppData\Local\com.lootfruit.gradegem\EBWebView\Default\Extension Scripts\MANIFEST-000001
                      • Size 41B
                      • SHA256 f9d31b278e215eb0d0e9cd709edfa037e828f36214ab7906f612160fead4b2b4
                      • MD5 SHA1 SHA512

                      Network Persistent State

                      • Path C:\Users\Admin\AppData\Local\com.lootfruit.gradegem\EBWebView\Default\Network\Network Persistent State
                      • Size 232B
                      • SHA256 eeb8e2f3dfa6ae11db1fe213800fd23cb7e26a523be3363012dfa336865bef78
                      • MD5 SHA1 SHA512 TLSH

                      Network Persistent State~RFe5aa99f.TMP

                      • Path C:\Users\Admin\AppData\Local\com.lootfruit.gradegem\EBWebView\Default\Network\Network Persistent State~RFe5aa99f.TMP
                      • Size 59B
                      • SHA256 226eec4486509917aa336afebd6ff65777b75b65f1fb06891d2a857a9421a974
                      • MD5 SHA1 SHA512 TLSH

                      SCT Auditing Pending Reports

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

                      TransportSecurity

                      • Path C:\Users\Admin\AppData\Local\com.lootfruit.gradegem\EBWebView\Default\Network\TransportSecurity
                      • Size 353B
                      • SHA256 60cad806bc71f38446a7e83f39732bc8167b76fe421343f78bc21c87409f6392
                      • MD5 SHA1 SHA512 TLSH

                      TransportSecurity~RFe5af8b9.TMP

                      • Path C:\Users\Admin\AppData\Local\com.lootfruit.gradegem\EBWebView\Default\Network\TransportSecurity~RFe5af8b9.TMP
                      • Size 355B
                      • SHA256 f720c6e4ec90e460fec12ece58257d6d15069c26ad7e938e93f6d58f40605757
                      • MD5 SHA1 SHA512 TLSH

                      Preferences

                      • Path C:\Users\Admin\AppData\Local\com.lootfruit.gradegem\EBWebView\Default\Preferences
                      • Size 6KB
                      • SHA256 f5ea474343af44a0d3b3959200f6651d9967cfeea02d3e5228782469a9091c8f
                      • MD5 SHA1 SHA512 SSDEEP TLSH

                      Preferences

                      • Path C:\Users\Admin\AppData\Local\com.lootfruit.gradegem\EBWebView\Default\Preferences
                      • Size 6KB
                      • SHA256 ff86e433165a8456fcc8c5649973fcfeaf1ce38ab5642b74897b7287b3e035f8
                      • MD5 SHA1 SHA512 SSDEEP TLSH

                      CURRENT

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

                      data_0

                      • Path C:\Users\Admin\AppData\Local\com.lootfruit.gradegem\EBWebView\GraphiteDawnCache\data_0
                      • Size 8KB
                      • SHA256 d6a5fe39cd672781b256e0e3102f7022635f1d4bb7cfcc90a80fffe4d0f3877e
                      • MD5 SHA1 SHA512 SSDEEP

                      data_1

                      • Path C:\Users\Admin\AppData\Local\com.lootfruit.gradegem\EBWebView\GraphiteDawnCache\data_1
                      • Size 264KB
                      • SHA256 902f30c1fb0597d0734bc34b979ec5d131f8f39a4b71b338083821216ec8d61b
                      • MD5 SHA1 SHA512 SSDEEP

                      data_2

                      • Path C:\Users\Admin\AppData\Local\com.lootfruit.gradegem\EBWebView\GraphiteDawnCache\data_2
                      • Size 8KB
                      • SHA256 ec1702806f4cc7c42a82fc2b38e89835fde7c64bb32060e0823c9077ca92efb7
                      • MD5 SHA1 SHA512 SSDEEP

                      data_3

                      • Path C:\Users\Admin\AppData\Local\com.lootfruit.gradegem\EBWebView\GraphiteDawnCache\data_3
                      • Size 8KB
                      • SHA256 e09f42c398d688dce168570291f1f92d079987deda3099a34adb9e8c0522b30c
                      • MD5 SHA1 SHA512 SSDEEP

                      Local State

                      • Path C:\Users\Admin\AppData\Local\com.lootfruit.gradegem\EBWebView\Local State
                      • Size 2KB
                      • SHA256 10f9e6616a14a7e1834da9d3c7ca78b4d60d8af1a0fcafedd3966ccf6a9893a1
                      • MD5 SHA1 SHA512 TLSH

                      Local State

                      • Path C:\Users\Admin\AppData\Local\com.lootfruit.gradegem\EBWebView\Local State
                      • Size 15KB
                      • SHA256 662c74cdc5b2a4d81d51cc193eb3210c4a2f94cce75b7702915b6d6f5e4945eb
                      • MD5 SHA1 SHA512 SSDEEP TLSH

                      Local State

                      • Path C:\Users\Admin\AppData\Local\com.lootfruit.gradegem\EBWebView\Local State
                      • Size 3KB
                      • SHA256 f6b479adacc3a0b134976cc1f9dc9251eafac3010ee01783e8997ad9fec564fc
                      • MD5 SHA1 SHA512 TLSH

                      Local State~RFe5994b4.TMP

                      • Path C:\Users\Admin\AppData\Local\com.lootfruit.gradegem\EBWebView\Local State~RFe5994b4.TMP
                      • Size 1KB
                      • SHA256 f1d09bf046a3a5e39995da3327e4d086b7315d544a3af20367d31e70b5930355
                      • MD5 SHA1 SHA512 TLSH

                      hyph-bn.hyb

                      • Path C:\Windows\SystemTemp\chrome_Unpacker_BeginUnzipping3268_2090008180\hyph-bn.hyb
                      • Size 703B
                      • SHA256 c2784e33158a807135850f7125a7eaabe472b3cfc7afb82c74f02da69ea250fe
                      • MD5 SHA1 SHA512 TLSH

                      hyph-mr.hyb

                      • Path C:\Windows\SystemTemp\chrome_Unpacker_BeginUnzipping3268_2090008180\hyph-mr.hyb
                      • Size 687B
                      • SHA256 f4df224d459fd111698dd5a13613c5bbf0ed11f04278d60230d028010eac0c42
                      • MD5 SHA1 SHA512 TLSH

                      hyph-nn.hyb

                      • Path C:\Windows\SystemTemp\chrome_Unpacker_BeginUnzipping3268_2090008180\hyph-nn.hyb
                      • Size 141KB
                      • SHA256 5bcbb58eaf65f13f6d039244d942f37c127344e3a0a2e6c32d08236945132809
                      • MD5 SHA1 SHA512 SSDEEP TLSH

                      memory/1348-203-0x00007FF613BA0000-0x00007FF614091000-memory.dmp

                      memory/3404-217-0x000001870EB20000-0x000001870EBC7000-memory.dmp

                      memory/3404-26-0x00007FFFF10E0000-0x00007FFFF10E1000-memory.dmp

                      memory/4312-320-0x00007FFFF17A0000-0x00007FFFF17A1000-memory.dmp

                      memory/4312-319-0x00007FFFF1F50000-0x00007FFFF1F51000-memory.dmp

                      memory/5132-222-0x000002464EAB0000-0x000002464EB57000-memory.dmp

                      memory/5132-85-0x00007FFFF10E0000-0x00007FFFF10E1000-memory.dmp

                      memory/6120-501-0x00000199BE3E0000-0x00000199BE3E1000-memory.dmp

                      memory/6120-503-0x00000199BE3E0000-0x00000199BE3E1000-memory.dmp

                      memory/6120-509-0x00000199BE3E0000-0x00000199BE3E1000-memory.dmp

                      memory/6120-512-0x00000199BE3E0000-0x00000199BE3E1000-memory.dmp

                      memory/6120-508-0x00000199BE3E0000-0x00000199BE3E1000-memory.dmp

                      memory/6120-507-0x00000199BE3E0000-0x00000199BE3E1000-memory.dmp

                      memory/6120-510-0x00000199BE3E0000-0x00000199BE3E1000-memory.dmp

                      memory/6120-511-0x00000199BE3E0000-0x00000199BE3E1000-memory.dmp