Analysis

  • max time kernel
    150s
  • max time network
    130s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    20/07/2026, 09:47

General

  • Target
    2026-07-20_60f7904dfe0e082de6c434a529e32570_akira_quasar-rat_rusty-stealer.exe
  • Size 22.4MB
  • Sample260720-lskdrags51
  • SHA256 d7957d72f823cc7bd65ce8bebe4d20416b82e739c56f3b50fc0b1bba5bf1363b
  • 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 63 IoCs
  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 1 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of WriteProcessMemory 25 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-07-20_60f7904dfe0e082de6c434a529e32570_akira_quasar-rat_rusty-stealer.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-20_60f7904dfe0e082de6c434a529e32570_akira_quasar-rat_rusty-stealer.exe"
    1⤵
    • Checks whether UAC is enabled
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1388
    • 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=2026-07-20_60f7904dfe0e082de6c434a529e32570_akira_quasar-rat_rusty-stealer.exe --webview-exe-version=1.3.2 --user-data-dir="C:\Users\Admin\AppData\Local\com.administrator.BORS\EBWebView" --noerrdialogs --embedded-browser-webview-dpi-awareness=2 --edge-webview-custom-scheme --enable-features=MojoIpcz,WebHID --lang=en-US --accept-lang=en-US --mojo-named-platform-channel-pipe=1388.5656.11504050837133815767 /pfhostedapp:21f3e3d6c30103fe052e270dce39ee654e65a537
      2⤵
      • Drops file in Windows directory
      • Enumerates system info in registry
      • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
      • Suspicious use of WriteProcessMemory
      PID:3952
      • 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.administrator.BORS\EBWebView /prefetch:4 /pfhostedapp:21f3e3d6c30103fe052e270dce39ee654e65a537 --monitor-self-annotation=ptype=crashpad-handler --database=C:\Users\Admin\AppData\Local\com.administrator.BORS\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=0x188,0x18c,0x190,0x160,0x198,0x7ff8282f5fd8,0x7ff8282f5fe4,0x7ff8282f5ff0
        3⤵
          PID:960
        • 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.administrator.BORS\EBWebView" --webview-exe-name=2026-07-20_60f7904dfe0e082de6c434a529e32570_akira_quasar-rat_rusty-stealer.exe --webview-exe-version=1.3.2 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --edge-webview-custom-scheme --no-appcompat-clear --gpu-preferences=WAAAAAAAAADgAAAMAAAAAAAAAAAAAAAAAABgAAAAAAA4AAAAAAAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAGAAAAAAAAAAYAAAAAAAAAAgAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --mojo-platform-channel-handle=1760 --field-trial-handle=1764,i,1058167049760902622,1397837128671455284,262144 --enable-features=MojoIpcz,WebHID --variations-seed-version /prefetch:2 /pfhostedapp:21f3e3d6c30103fe052e270dce39ee654e65a537
          3⤵
            PID:3900
          • 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.administrator.BORS\EBWebView" --webview-exe-name=2026-07-20_60f7904dfe0e082de6c434a529e32570_akira_quasar-rat_rusty-stealer.exe --webview-exe-version=1.3.2 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --edge-webview-custom-scheme --no-appcompat-clear --mojo-platform-channel-handle=2092 --field-trial-handle=1764,i,1058167049760902622,1397837128671455284,262144 --enable-features=MojoIpcz,WebHID --variations-seed-version /prefetch:3 /pfhostedapp:21f3e3d6c30103fe052e270dce39ee654e65a537
            3⤵
              PID:1100
            • 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.administrator.BORS\EBWebView" --webview-exe-name=2026-07-20_60f7904dfe0e082de6c434a529e32570_akira_quasar-rat_rusty-stealer.exe --webview-exe-version=1.3.2 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --edge-webview-custom-scheme --no-appcompat-clear --mojo-platform-channel-handle=2212 --field-trial-handle=1764,i,1058167049760902622,1397837128671455284,262144 --enable-features=MojoIpcz,WebHID --variations-seed-version /prefetch:8 /pfhostedapp:21f3e3d6c30103fe052e270dce39ee654e65a537
              3⤵
                PID:3200
              • 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.administrator.BORS\EBWebView" --webview-exe-name=2026-07-20_60f7904dfe0e082de6c434a529e32570_akira_quasar-rat_rusty-stealer.exe --webview-exe-version=1.3.2 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --edge-webview-custom-scheme --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=3376 --field-trial-handle=1764,i,1058167049760902622,1397837128671455284,262144 --enable-features=MojoIpcz,WebHID --variations-seed-version /pfhostedapp:21f3e3d6c30103fe052e270dce39ee654e65a537 /prefetch:1
                3⤵
                  PID:4688
                • 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.administrator.BORS\EBWebView" --webview-exe-name=2026-07-20_60f7904dfe0e082de6c434a529e32570_akira_quasar-rat_rusty-stealer.exe --webview-exe-version=1.3.2 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --edge-webview-custom-scheme --no-appcompat-clear --mojo-platform-channel-handle=4396 --field-trial-handle=1764,i,1058167049760902622,1397837128671455284,262144 --enable-features=MojoIpcz,WebHID --variations-seed-version /prefetch:8 /pfhostedapp:21f3e3d6c30103fe052e270dce39ee654e65a537
                  3⤵
                    PID:2164
                  • 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.administrator.BORS\EBWebView" --webview-exe-name=2026-07-20_60f7904dfe0e082de6c434a529e32570_akira_quasar-rat_rusty-stealer.exe --webview-exe-version=1.3.2 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --edge-webview-custom-scheme --no-appcompat-clear --mojo-platform-channel-handle=4404 --field-trial-handle=1764,i,1058167049760902622,1397837128671455284,262144 --enable-features=MojoIpcz,WebHID --variations-seed-version /prefetch:8 /pfhostedapp:21f3e3d6c30103fe052e270dce39ee654e65a537
                    3⤵
                      PID:1592
                    • 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.administrator.BORS\EBWebView" --webview-exe-name=2026-07-20_60f7904dfe0e082de6c434a529e32570_akira_quasar-rat_rusty-stealer.exe --webview-exe-version=1.3.2 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --edge-webview-custom-scheme --no-appcompat-clear --gpu-preferences=WAAAAAAAAADoAAAMAAAAAAAAAAAAAAAAAABgAAAAAAA4AAAAAAAAAAAAAABEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAGAAAAAAAAAAYAAAAAAAAAAgAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --mojo-platform-channel-handle=4628 --field-trial-handle=1764,i,1058167049760902622,1397837128671455284,262144 --enable-features=MojoIpcz,WebHID --variations-seed-version /prefetch:8 /pfhostedapp:21f3e3d6c30103fe052e270dce39ee654e65a537
                      3⤵
                      • Suspicious behavior: EnumeratesProcesses
                      PID:5384
                    • 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.administrator.BORS\EBWebView" --webview-exe-name=2026-07-20_60f7904dfe0e082de6c434a529e32570_akira_quasar-rat_rusty-stealer.exe --webview-exe-version=1.3.2 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --edge-webview-custom-scheme --no-appcompat-clear --mojo-platform-channel-handle=4608 --field-trial-handle=1764,i,1058167049760902622,1397837128671455284,262144 --enable-features=MojoIpcz,WebHID --variations-seed-version /prefetch:8 /pfhostedapp:21f3e3d6c30103fe052e270dce39ee654e65a537
                      3⤵
                        PID:1744

                  Network

                        MITRE ATT&CK Enterprise v16

                        Replay Monitor

                        Loading Replay Monitor...

                        Downloads

                        settings.dat

                        • Path C:\Users\Admin\AppData\Local\com.administrator.BORS\EBWebView\Crashpad\settings.dat
                        • Size 280B
                        • SHA256 e852fbea81b6b89eb49f062fd792f605d0d88fe45b592935aeddb34e795786b0
                        • MD5 SHA1 SHA512 TLSH

                        settings.dat

                        • Path C:\Users\Admin\AppData\Local\com.administrator.BORS\EBWebView\Crashpad\settings.dat
                        • Size 280B
                        • SHA256 bcb82624a7fa6403b2117bc61eae36c2840b988d6ee1f5b6b99f47c62da96b08
                        • MD5 SHA1 SHA512

                        throttle_store.dat

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

                        temp-index

                        • Path C:\Users\Admin\AppData\Local\com.administrator.BORS\EBWebView\Default\Code Cache\js\index-dir\temp-index
                        • Size 312B
                        • SHA256 e47715151ac34359790f56b46d34899efa7d7266b03e5ac7361e3454ef5bcb4b
                        • MD5 SHA1 SHA512 TLSH

                        the-real-index~RFe59aed4.TMP

                        • Path C:\Users\Admin\AppData\Local\com.administrator.BORS\EBWebView\Default\Code Cache\js\index-dir\the-real-index~RFe59aed4.TMP
                        • Size 48B
                        • SHA256 433c4555edf9b426901e955593f2800424be50910e2437d97c5e9d00683d2ec6
                        • MD5 SHA1 SHA512

                        000001.dbtmp

                        • Path C:\Users\Admin\AppData\Local\com.administrator.BORS\EBWebView\Default\Extension Rules\000001.dbtmp
                        • Size 16B
                        • SHA256 0f1bad70c7bd1e0a69562853ec529355462fcd0423263a3d39d6d0d70b780443
                        • MD5 SHA1 SHA512

                        Network Persistent State

                        • Path C:\Users\Admin\AppData\Local\com.administrator.BORS\EBWebView\Default\Network\Network Persistent State
                        • Size 111B
                        • SHA256 5dfc321417fc31359f23320ea68014ebfd793c5bbed55f77dab4180bbd4a2026
                        • MD5 SHA1 SHA512 TLSH

                        Network Persistent State~RFe5a8454.TMP

                        • Path C:\Users\Admin\AppData\Local\com.administrator.BORS\EBWebView\Default\Network\Network Persistent State~RFe5a8454.TMP
                        • Size 59B
                        • SHA256 226eec4486509917aa336afebd6ff65777b75b65f1fb06891d2a857a9421a974
                        • MD5 SHA1 SHA512 TLSH

                        SCT Auditing Pending Reports

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

                        Preferences

                        • Path C:\Users\Admin\AppData\Local\com.administrator.BORS\EBWebView\Default\Preferences
                        • Size 6KB
                        • SHA256 e3e965bbc0934f1686468a479604403650ce9b0ae364ae363382e7e91ea1efa5
                        • MD5 SHA1 SHA512 SSDEEP TLSH

                        MANIFEST-000001

                        • Path C:\Users\Admin\AppData\Local\com.administrator.BORS\EBWebView\Default\Sync Data\LevelDB\MANIFEST-000001
                        • Size 41B
                        • SHA256 f9d31b278e215eb0d0e9cd709edfa037e828f36214ab7906f612160fead4b2b4
                        • MD5 SHA1 SHA512

                        afaaf103-8fea-437e-8537-0a11a9cfbed7.tmp

                        • Path C:\Users\Admin\AppData\Local\com.administrator.BORS\EBWebView\Default\afaaf103-8fea-437e-8537-0a11a9cfbed7.tmp
                        • Size 6KB
                        • SHA256 b271b3d0c8c7ad66e0d851da783ced1d056c36fb6bef380f2a434ba4b0cb5858
                        • MD5 SHA1 SHA512 SSDEEP TLSH

                        data_0

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

                        data_1

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

                        data_2

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

                        data_3

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

                        Local State

                        • Path C:\Users\Admin\AppData\Local\com.administrator.BORS\EBWebView\Local State
                        • Size 15KB
                        • SHA256 990b835dddcdca3e478cf916b5bb8d0f7055cfa09379b1c2b8a052898bd712f9
                        • MD5 SHA1 SHA512 SSDEEP TLSH

                        Local State

                        • Path C:\Users\Admin\AppData\Local\com.administrator.BORS\EBWebView\Local State
                        • Size 2KB
                        • SHA256 28f5b47db2c93aa7fe0dcd1cdd346080832679c64545b7beb3a190eba8035344
                        • MD5 SHA1 SHA512 TLSH

                        Local State

                        • Path C:\Users\Admin\AppData\Local\com.administrator.BORS\EBWebView\Local State
                        • Size 3KB
                        • SHA256 a6698555fa639c64bc56ca9e584ce1ff123d1b559ffc3b247f6ba74dee015185
                        • MD5 SHA1 SHA512 TLSH

                        Local State~RFe595d59.TMP

                        • Path C:\Users\Admin\AppData\Local\com.administrator.BORS\EBWebView\Local State~RFe595d59.TMP
                        • Size 1KB
                        • SHA256 975cbbe69fbf101541c149a6de4a4f3455bfd2aa67774a908b04f75134a9a6e7
                        • MD5 SHA1 SHA512 TLSH

                        hyph-bn.hyb

                        • Path C:\Windows\SystemTemp\chrome_Unpacker_BeginUnzipping3952_1889873400\hyph-bn.hyb
                        • Size 703B
                        • SHA256 c2784e33158a807135850f7125a7eaabe472b3cfc7afb82c74f02da69ea250fe
                        • MD5 SHA1 SHA512 TLSH

                        hyph-mr.hyb

                        • Path C:\Windows\SystemTemp\chrome_Unpacker_BeginUnzipping3952_1889873400\hyph-mr.hyb
                        • Size 687B
                        • SHA256 f4df224d459fd111698dd5a13613c5bbf0ed11f04278d60230d028010eac0c42
                        • MD5 SHA1 SHA512 TLSH

                        hyph-nn.hyb

                        • Path C:\Windows\SystemTemp\chrome_Unpacker_BeginUnzipping3952_1889873400\hyph-nn.hyb
                        • Size 141KB
                        • SHA256 5bcbb58eaf65f13f6d039244d942f37c127344e3a0a2e6c32d08236945132809
                        • MD5 SHA1 SHA512 SSDEEP TLSH

                        memory/2164-267-0x00007FF8470F0000-0x00007FF8470F1000-memory.dmp

                        memory/2164-266-0x00007FF848E80000-0x00007FF848E81000-memory.dmp

                        memory/3900-26-0x00007FF848A10000-0x00007FF848A11000-memory.dmp

                        memory/3900-205-0x000002298CDB0000-0x000002298CE57000-memory.dmp

                        memory/4688-96-0x00007FF848A10000-0x00007FF848A11000-memory.dmp

                        memory/4688-206-0x000002360FDB0000-0x000002360FE57000-memory.dmp

                        memory/5384-478-0x0000026F50FF0000-0x0000026F50FF1000-memory.dmp

                        memory/5384-489-0x0000026F50FF0000-0x0000026F50FF1000-memory.dmp

                        memory/5384-488-0x0000026F50FF0000-0x0000026F50FF1000-memory.dmp

                        memory/5384-487-0x0000026F50FF0000-0x0000026F50FF1000-memory.dmp

                        memory/5384-486-0x0000026F50FF0000-0x0000026F50FF1000-memory.dmp

                        memory/5384-485-0x0000026F50FF0000-0x0000026F50FF1000-memory.dmp

                        memory/5384-484-0x0000026F50FF0000-0x0000026F50FF1000-memory.dmp

                        memory/5384-480-0x0000026F50FF0000-0x0000026F50FF1000-memory.dmp