Analysis

  • max time kernel
    40s
  • max time network
    53s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240802-en
  • resource tags

    arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    11/10/2024, 22:15

General

  • Target

    Setup - Bloxshade.exe

  • Size

    9.2MB

  • MD5

    909eacfc95815a328223e62d9a221140

  • SHA1

    04463d369ec6fa3c4a60449474927ab330d85f02

  • SHA256

    f51f051609d65b0efe557981a90858350148252e262756cc5ea7b624bdeee13b

  • SHA512

    22ce2d1c60e87b4b4ceee231823ebc5aeccf499060b96643d1784aff5e1201b2d33b1fd5f9428b570af292598b03983a00fe421a7eca959867ce3b66a7426235

  • SSDEEP

    98304:8HX5RzYzAWt0q/G2Asj4xTN+ZD/JdWLM3Sx8x1swB98St:8Hswq/osj4xT2/Jk43CYs/i

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Network Share Discovery 1 TTPs

    Attempt to gather information on host network.

  • Drops file in Program Files directory 2 IoCs
  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 3 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Kills process with taskkill 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Setup - Bloxshade.exe
    "C:\Users\Admin\AppData\Local\Temp\Setup - Bloxshade.exe"
    1⤵
    • Drops file in Program Files directory
    • Suspicious use of WriteProcessMemory
    PID:1368
    • C:\Windows\SYSTEM32\cmd.exe
      cmd.exe /c taskkill /F /IM installer.exe
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2436
      • C:\Windows\system32\taskkill.exe
        taskkill /F /IM installer.exe
        3⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:2832
    • C:\Windows\SYSTEM32\cmd.exe
      cmd.exe /c taskkill /F /IM setup.exe
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3240
      • C:\Windows\system32\taskkill.exe
        taskkill /F /IM setup.exe
        3⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:3384
    • C:\Program Files\Bloxshade\setup.exe
      "C:\Program Files\Bloxshade\setup.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:3164
      • C:\Program Files (x86)\Microsoft\EdgeWebView\Application\90.0.818.66\msedgewebview2.exe
        "C:\Program Files (x86)\Microsoft\EdgeWebView\Application\90.0.818.66\msedgewebview2.exe" --embedded-browser-webview=1 --webview-exe-name=setup.exe --webview-exe-version=2.8.11 --user-data-dir="C:\Users\Admin\AppData\Local\com.bloxshade.tauri\EBWebView" --no-default-browser-check --disable-component-extensions-with-background-pages --no-first-run --disable-default-apps --noerrdialogs --embedded-browser-webview-dpi-awareness=1 --disable-features=msWebOOUI,msPdfOOUI,msSmartScreenProtection --disable-popup-blocking --internet-explorer-integration=none --js-flags="--harmony-weak-refs-with-cleanup-some --expose-gc" --lang=en-US --mojo-named-platform-channel-pipe=3164.1724.11448404478444374408
        3⤵
        • Enumerates system info in registry
        • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of WriteProcessMemory
        PID:1008
        • C:\Program Files (x86)\Microsoft\EdgeWebView\Application\90.0.818.66\msedgewebview2.exe
          "C:\Program Files (x86)\Microsoft\EdgeWebView\Application\90.0.818.66\msedgewebview2.exe" --type=crashpad-handler --user-data-dir=C:\Users\Admin\AppData\Local\com.bloxshade.tauri\EBWebView /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler --database=C:\Users\Admin\AppData\Local\com.bloxshade.tauri\EBWebView\Crashpad --metrics-dir=C:\Users\Admin\AppData\Local\com.bloxshade.tauri\EBWebView --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=90.0.4430.212 "--annotation=exe=C:\Program Files (x86)\Microsoft\EdgeWebView\Application\90.0.818.66\msedgewebview2.exe" --annotation=plat=Win64 "--annotation=prod=Edge WebView2" --annotation=ver=90.0.818.66 --initial-client-data=0x104,0x108,0x10c,0xe0,0x1b4,0x7ffc4c6b3cb8,0x7ffc4c6b3cc8,0x7ffc4c6b3cd8
          4⤵
            PID:2900
          • C:\Program Files (x86)\Microsoft\EdgeWebView\Application\90.0.818.66\msedgewebview2.exe
            "C:\Program Files (x86)\Microsoft\EdgeWebView\Application\90.0.818.66\msedgewebview2.exe" --type=gpu-process --field-trial-handle=1796,16635599342371471896,6404145971066051906,131072 --enable-features=ForwardMemoryPressureEventsToGpuProcess,UseSwapChainsInSoftware --disable-features=FilterAdsOnAbusiveSites,SpareRendererForSitePerProcess,WebPayments,msApplicationGuard,msAutomaticTabFreeze,msBrowserSettingsSupported,msEdgeFaviconService,msEdgeLinkDoctor,msEdgeMGPFrev1,msEdgeOnRampFRE,msEdgeOnRampImport,msEdgeReadingView,msEdgeSettingsImport,msEdgeSettingsImportV2,msEdgeShoppingUI,msEdgeTranslate,msEdgeUseCaptivePortalService,msImplicitSignin,msPasswordBreachDetection,msPdfOOUI,msReadAloud,msRevokeExtensions,msSendClientDataHeader,msSendClientDataHeaderToEdgeServices,msSmartScreenProtection,msSyncEdgeCollections,msUseLabelingService,msWebAssistHistorySearch,msWebOOUI --noerrdialogs --user-data-dir="C:\Users\Admin\AppData\Local\com.bloxshade.tauri\EBWebView" --webview-exe-name=setup.exe --webview-exe-version=2.8.11 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=1 --gpu-preferences=SAAAAAAAAADgAAAwAAAAAAAAAAAAAAAAAABgAAAAAAAoAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAB4AAAAAAAAAHgAAAAAAAAAKAAAAAQAAAAgAAAAAAAAACgAAAAAAAAAMAAAAAAAAAA4AAAAAAAAABAAAAAAAAAAAAAAAAUAAAAQAAAAAAAAAAAAAAAGAAAAEAAAAAAAAAABAAAABQAAABAAAAAAAAAAAQAAAAYAAAAIAAAAAAAAAAgAAAAAAAAA --mojo-platform-channel-handle=1828 /prefetch:2
            4⤵
            • System Network Configuration Discovery: Internet Connection Discovery
            PID:4060
          • C:\Program Files (x86)\Microsoft\EdgeWebView\Application\90.0.818.66\msedgewebview2.exe
            "C:\Program Files (x86)\Microsoft\EdgeWebView\Application\90.0.818.66\msedgewebview2.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --field-trial-handle=1796,16635599342371471896,6404145971066051906,131072 --enable-features=ForwardMemoryPressureEventsToGpuProcess,UseSwapChainsInSoftware --disable-features=FilterAdsOnAbusiveSites,SpareRendererForSitePerProcess,WebPayments,msApplicationGuard,msAutomaticTabFreeze,msBrowserSettingsSupported,msEdgeFaviconService,msEdgeLinkDoctor,msEdgeMGPFrev1,msEdgeOnRampFRE,msEdgeOnRampImport,msEdgeReadingView,msEdgeSettingsImport,msEdgeSettingsImportV2,msEdgeShoppingUI,msEdgeTranslate,msEdgeUseCaptivePortalService,msImplicitSignin,msPasswordBreachDetection,msPdfOOUI,msReadAloud,msRevokeExtensions,msSendClientDataHeader,msSendClientDataHeaderToEdgeServices,msSmartScreenProtection,msSyncEdgeCollections,msUseLabelingService,msWebAssistHistorySearch,msWebOOUI --lang=en-US --service-sandbox-type=none --noerrdialogs --user-data-dir="C:\Users\Admin\AppData\Local\com.bloxshade.tauri\EBWebView" --webview-exe-name=setup.exe --webview-exe-version=2.8.11 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=1 --mojo-platform-channel-handle=2072 /prefetch:3
            4⤵
            • Suspicious behavior: EnumeratesProcesses
            PID:1784
          • C:\Program Files (x86)\Microsoft\EdgeWebView\Application\90.0.818.66\msedgewebview2.exe
            "C:\Program Files (x86)\Microsoft\EdgeWebView\Application\90.0.818.66\msedgewebview2.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --field-trial-handle=1796,16635599342371471896,6404145971066051906,131072 --enable-features=ForwardMemoryPressureEventsToGpuProcess,UseSwapChainsInSoftware --disable-features=FilterAdsOnAbusiveSites,SpareRendererForSitePerProcess,WebPayments,msApplicationGuard,msAutomaticTabFreeze,msBrowserSettingsSupported,msEdgeFaviconService,msEdgeLinkDoctor,msEdgeMGPFrev1,msEdgeOnRampFRE,msEdgeOnRampImport,msEdgeReadingView,msEdgeSettingsImport,msEdgeSettingsImportV2,msEdgeShoppingUI,msEdgeTranslate,msEdgeUseCaptivePortalService,msImplicitSignin,msPasswordBreachDetection,msPdfOOUI,msReadAloud,msRevokeExtensions,msSendClientDataHeader,msSendClientDataHeaderToEdgeServices,msSmartScreenProtection,msSyncEdgeCollections,msUseLabelingService,msWebAssistHistorySearch,msWebOOUI --lang=en-US --service-sandbox-type=utility --noerrdialogs --user-data-dir="C:\Users\Admin\AppData\Local\com.bloxshade.tauri\EBWebView" --webview-exe-name=setup.exe --webview-exe-version=2.8.11 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=1 --mojo-platform-channel-handle=2388 /prefetch:8
            4⤵
            • System Network Configuration Discovery: Internet Connection Discovery
            PID:4112
          • C:\Program Files (x86)\Microsoft\EdgeWebView\Application\90.0.818.66\msedgewebview2.exe
            "C:\Program Files (x86)\Microsoft\EdgeWebView\Application\90.0.818.66\msedgewebview2.exe" --type=renderer --js-flags="--harmony-weak-refs-with-cleanup-some --expose-gc" --field-trial-handle=1796,16635599342371471896,6404145971066051906,131072 --enable-features=ForwardMemoryPressureEventsToGpuProcess,UseSwapChainsInSoftware --disable-features=FilterAdsOnAbusiveSites,SpareRendererForSitePerProcess,WebPayments,msApplicationGuard,msAutomaticTabFreeze,msBrowserSettingsSupported,msEdgeFaviconService,msEdgeLinkDoctor,msEdgeMGPFrev1,msEdgeOnRampFRE,msEdgeOnRampImport,msEdgeReadingView,msEdgeSettingsImport,msEdgeSettingsImportV2,msEdgeShoppingUI,msEdgeTranslate,msEdgeUseCaptivePortalService,msImplicitSignin,msPasswordBreachDetection,msPdfOOUI,msReadAloud,msRevokeExtensions,msSendClientDataHeader,msSendClientDataHeaderToEdgeServices,msSmartScreenProtection,msSyncEdgeCollections,msUseLabelingService,msWebAssistHistorySearch,msWebOOUI --lang=en-US --noerrdialogs --user-data-dir="C:\Users\Admin\AppData\Local\com.bloxshade.tauri\EBWebView" --webview-exe-name=setup.exe --webview-exe-version=2.8.11 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=1 --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=2948 /prefetch:1
            4⤵
            • System Network Configuration Discovery: Internet Connection Discovery
            PID:3492
    • C:\Windows\System32\CompPkgSrv.exe
      C:\Windows\System32\CompPkgSrv.exe -Embedding
      1⤵
        PID:408
      • C:\Windows\System32\CompPkgSrv.exe
        C:\Windows\System32\CompPkgSrv.exe -Embedding
        1⤵
          PID:4320
        • C:\Windows\System32\rundll32.exe
          C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
          1⤵
            PID:408

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Program Files\Bloxshade\setup.exe

            Filesize

            6.6MB

            MD5

            32aed8eba58209c27bbe51b5ddd10894

            SHA1

            37c248f55117195c700788a52fdd6acddfaeb3c8

            SHA256

            343c8f7d74ddbbd2d8c62d991128ce076d56c663b175e7b307b2f6e04c26814b

            SHA512

            c88541952bd2ce3b39359d892b45b845c2092e469ad1087d038598563ec359794407625b9955b9d2092c988b76e82e9a42812d43fee0cc14c6d432b0497d7f34

          • C:\Users\Admin\AppData\Local\com.bloxshade.tauri\EBWebView\4022c4f7-d871-472d-ab5e-f9951cd7d371.tmp

            Filesize

            2KB

            MD5

            de1d266422b755016ace9fd3dfeae1d3

            SHA1

            adfe9e5f302713c279fac30da21808d618d109a3

            SHA256

            56bf514a64fb909ab43bba17b297d6731798956d019d7b6a6974874e0406cffa

            SHA512

            713d946cabfb9161455d4a8d078e275333695a2043b3849e0fa9bef15fcc7fba6f390498556e7268344f37b02f09f67962a71c0de16f1629f8dfd722e9dab3d2

          • C:\Users\Admin\AppData\Local\com.bloxshade.tauri\EBWebView\Crashpad\settings.dat

            Filesize

            152B

            MD5

            00f72cc70531ddcee95e98671dc66063

            SHA1

            83a554c4814530629ea40e27946b64283b99806b

            SHA256

            94d9a93933145f07d47cca702da09dd07117e805836cf61c9323208e849b1f89

            SHA512

            b9c33cc2d1f5b8c05def93006934198d25f4de1720f04f9d404734d4424de34b863dbba2ed1023a93c0c850bfc7d217313701f663288fe9715257b5c8600aa71

          • C:\Users\Admin\AppData\Local\com.bloxshade.tauri\EBWebView\Crashpad\settings.dat

            Filesize

            152B

            MD5

            824640ec38d6cfd9cb685c789260617c

            SHA1

            140307d41e0eae1d0fa6796004f8d01c1c9a357f

            SHA256

            193e7fcc4ba3f0f873c400246c68ef42be1bbc1211d56757658e57550ce3cd9c

            SHA512

            ec0bd2e3f090f34725d3ceb93e8024f48404fd5b76adfbf9593da6e5b7bfc08fdd194c4dea9d3b2387655cccb9e824026f8982efa865e884ca5cbd5be4fcfb84

          • C:\Users\Admin\AppData\Local\com.bloxshade.tauri\EBWebView\Crashpad\throttle_store.dat

            Filesize

            20B

            MD5

            9e4e94633b73f4a7680240a0ffd6cd2c

            SHA1

            e68e02453ce22736169a56fdb59043d33668368f

            SHA256

            41c91a9c93d76295746a149dce7ebb3b9ee2cb551d84365fff108e59a61cc304

            SHA512

            193011a756b2368956c71a9a3ae8bc9537d99f52218f124b2e64545eeb5227861d372639052b74d0dd956cb33ca72a9107e069f1ef332b9645044849d14af337

          • C:\Users\Admin\AppData\Local\com.bloxshade.tauri\EBWebView\Default\GPUCache\data_0

            Filesize

            8KB

            MD5

            cf89d16bb9107c631daabf0c0ee58efb

            SHA1

            3ae5d3a7cf1f94a56e42f9a58d90a0b9616ae74b

            SHA256

            d6a5fe39cd672781b256e0e3102f7022635f1d4bb7cfcc90a80fffe4d0f3877e

            SHA512

            8cb5b059c8105eb91e74a7d5952437aaa1ada89763c5843e7b0f1b93d9ebe15ed40f287c652229291fac02d712cf7ff5ececef276ba0d7ddc35558a3ec3f77b0

          • C:\Users\Admin\AppData\Local\com.bloxshade.tauri\EBWebView\Default\GPUCache\data_2

            Filesize

            8KB

            MD5

            0962291d6d367570bee5454721c17e11

            SHA1

            59d10a893ef321a706a9255176761366115bedcb

            SHA256

            ec1702806f4cc7c42a82fc2b38e89835fde7c64bb32060e0823c9077ca92efb7

            SHA512

            f555e961b69e09628eaf9c61f465871e6984cd4d31014f954bb747351dad9cea6d17c1db4bca2c1eb7f187cb5f3c0518748c339c8b43bbd1dbd94aeaa16f58ed

          • C:\Users\Admin\AppData\Local\com.bloxshade.tauri\EBWebView\Default\GPUCache\data_3

            Filesize

            8KB

            MD5

            41876349cb12d6db992f1309f22df3f0

            SHA1

            5cf26b3420fc0302cd0a71e8d029739b8765be27

            SHA256

            e09f42c398d688dce168570291f1f92d079987deda3099a34adb9e8c0522b30c

            SHA512

            e9a4fc1f7cb6ae2901f8e02354a92c4aaa7a53c640dcf692db42a27a5acc2a3bfb25a0de0eb08ab53983132016e7d43132ea4292e439bb636aafd53fb6ef907e

          • C:\Users\Admin\AppData\Local\com.bloxshade.tauri\EBWebView\Default\Local Storage\leveldb\MANIFEST-000001

            Filesize

            41B

            MD5

            5af87dfd673ba2115e2fcf5cfdb727ab

            SHA1

            d5b5bbf396dc291274584ef71f444f420b6056f1

            SHA256

            f9d31b278e215eb0d0e9cd709edfa037e828f36214ab7906f612160fead4b2b4

            SHA512

            de34583a7dbafe4dd0dc0601e8f6906b9bc6a00c56c9323561204f77abbc0dc9007c480ffe4092ff2f194d54616caf50aecbd4a1e9583cae0c76ad6dd7c2375b

          • C:\Users\Admin\AppData\Local\com.bloxshade.tauri\EBWebView\Default\Site Characteristics Database\000001.dbtmp

            Filesize

            16B

            MD5

            46295cac801e5d4857d09837238a6394

            SHA1

            44e0fa1b517dbf802b18faf0785eeea6ac51594b

            SHA256

            0f1bad70c7bd1e0a69562853ec529355462fcd0423263a3d39d6d0d70b780443

            SHA512

            8969402593f927350e2ceb4b5bc2a277f3754697c1961e3d6237da322257fbab42909e1a742e22223447f3a4805f8d8ef525432a7c3515a549e984d3eff72b23

          • C:\Users\Admin\AppData\Local\com.bloxshade.tauri\EBWebView\GrShaderCache\GPUCache\data_1

            Filesize

            264KB

            MD5

            f50f89a0a91564d0b8a211f8921aa7de

            SHA1

            112403a17dd69d5b9018b8cede023cb3b54eab7d

            SHA256

            b1e963d702392fb7224786e7d56d43973e9b9efd1b89c17814d7c558ffc0cdec

            SHA512

            bf8cda48cf1ec4e73f0dd1d4fa5562af1836120214edb74957430cd3e4a2783e801fa3f4ed2afb375257caeed4abe958265237d6e0aacf35a9ede7a2e8898d58

          • memory/4060-21-0x00007FFC5AC70000-0x00007FFC5AC71000-memory.dmp

            Filesize

            4KB