Analysis

  • max time kernel
    91s
  • max time network
    128s
  • platform
    windows11-21h2_x64
  • resource
    win11-20241023-en
  • resource tags

    arch:x64arch:x86image:win11-20241023-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    19/11/2024, 09:50

General

  • Target
    Solara.Dir/cd57e4c171d6e8f5ea8b8f824a6a7316.exe
  • Size 90KB
  • Sample241119-lt5fbavbmp
  • SHA256 dcfc2b4fa3185df415855ec54395d9c36612f68100d046d8c69659da01f7d227
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • A potential corporate email address has been identified in the URL: [email protected]
  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Themida packer 5 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 3 IoCs
  • Network Share Discovery 1 TTPs

    Attempt to gather information on host network.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 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
  • Suspicious behavior: EnumeratesProcesses 7 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Solara.Dir\cd57e4c171d6e8f5ea8b8f824a6a7316.exe
    "C:\Users\Admin\AppData\Local\Temp\Solara.Dir\cd57e4c171d6e8f5ea8b8f824a6a7316.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1624
    • 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=cd57e4c171d6e8f5ea8b8f824a6a7316.exe --webview-exe-version=1.0.0.0 --user-data-dir="C:\Users\Admin\AppData\Local\Temp\Solara.Dir\cd57e4c171d6e8f5ea8b8f824a6a7316.exe.WebView2\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-popup-blocking --internet-explorer-integration=none --js-flags="--harmony-weak-refs-with-cleanup-some --expose-gc" --mojo-named-platform-channel-pipe=1624.2804.2360031608150734801
      2⤵
      • Enumerates system info in registry
      • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:1216
      • 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\Temp\Solara.Dir\cd57e4c171d6e8f5ea8b8f824a6a7316.exe.WebView2\EBWebView /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler --database=C:\Users\Admin\AppData\Local\Temp\Solara.Dir\cd57e4c171d6e8f5ea8b8f824a6a7316.exe.WebView2\EBWebView\Crashpad --metrics-dir=C:\Users\Admin\AppData\Local\Temp\Solara.Dir\cd57e4c171d6e8f5ea8b8f824a6a7316.exe.WebView2\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,0xe0,0x1b4,0x7ffa9fcf3cb8,0x7ffa9fcf3cc8,0x7ffa9fcf3cd8
        3⤵
          PID:3088
        • 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=1904,5221587549249185098,5790883350038815937,131072 --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,msReadAloud,msRevokeExtensions,msSendClientDataHeader,msSendClientDataHeaderToEdgeServices,msSyncEdgeCollections,msUseLabelingService,msWebAssistHistorySearch --noerrdialogs --user-data-dir="C:\Users\Admin\AppData\Local\Temp\Solara.Dir\cd57e4c171d6e8f5ea8b8f824a6a7316.exe.WebView2\EBWebView" --webview-exe-name=cd57e4c171d6e8f5ea8b8f824a6a7316.exe --webview-exe-version=1.0.0.0 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=1 --gpu-preferences=SAAAAAAAAADgAAAwAAAAAAAAAAAAAAAAAABgAAAAAAAoAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAB4AAAAAAAAAHgAAAAAAAAAKAAAAAQAAAAgAAAAAAAAACgAAAAAAAAAMAAAAAAAAAA4AAAAAAAAABAAAAAAAAAAAAAAAAUAAAAQAAAAAAAAAAAAAAAGAAAAEAAAAAAAAAABAAAABQAAABAAAAAAAAAAAQAAAAYAAAAIAAAAAAAAAAgAAAAAAAAA --mojo-platform-channel-handle=1908 /prefetch:2
          3⤵
          • System Network Configuration Discovery: Internet Connection Discovery
          PID:124
        • 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=1904,5221587549249185098,5790883350038815937,131072 --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,msReadAloud,msRevokeExtensions,msSendClientDataHeader,msSendClientDataHeaderToEdgeServices,msSyncEdgeCollections,msUseLabelingService,msWebAssistHistorySearch --lang=en-US --service-sandbox-type=none --noerrdialogs --user-data-dir="C:\Users\Admin\AppData\Local\Temp\Solara.Dir\cd57e4c171d6e8f5ea8b8f824a6a7316.exe.WebView2\EBWebView" --webview-exe-name=cd57e4c171d6e8f5ea8b8f824a6a7316.exe --webview-exe-version=1.0.0.0 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=1 --mojo-platform-channel-handle=2156 /prefetch:3
          3⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:5044
        • 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=1904,5221587549249185098,5790883350038815937,131072 --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,msReadAloud,msRevokeExtensions,msSendClientDataHeader,msSendClientDataHeaderToEdgeServices,msSyncEdgeCollections,msUseLabelingService,msWebAssistHistorySearch --lang=en-US --service-sandbox-type=utility --noerrdialogs --user-data-dir="C:\Users\Admin\AppData\Local\Temp\Solara.Dir\cd57e4c171d6e8f5ea8b8f824a6a7316.exe.WebView2\EBWebView" --webview-exe-name=cd57e4c171d6e8f5ea8b8f824a6a7316.exe --webview-exe-version=1.0.0.0 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=1 --mojo-platform-channel-handle=2148 /prefetch:8
          3⤵
          • System Network Configuration Discovery: Internet Connection Discovery
          PID:1500
        • 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=1904,5221587549249185098,5790883350038815937,131072 --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,msReadAloud,msRevokeExtensions,msSendClientDataHeader,msSendClientDataHeaderToEdgeServices,msSyncEdgeCollections,msUseLabelingService,msWebAssistHistorySearch --lang=en-US --noerrdialogs --user-data-dir="C:\Users\Admin\AppData\Local\Temp\Solara.Dir\cd57e4c171d6e8f5ea8b8f824a6a7316.exe.WebView2\EBWebView" --webview-exe-name=cd57e4c171d6e8f5ea8b8f824a6a7316.exe --webview-exe-version=1.0.0.0 --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=3532 /prefetch:1
          3⤵
          • System Network Configuration Discovery: Internet Connection Discovery
          PID:2904
    • C:\Windows\System32\CompPkgSrv.exe
      C:\Windows\System32\CompPkgSrv.exe -Embedding
      1⤵
        PID:1448
      • C:\Windows\System32\CompPkgSrv.exe
        C:\Windows\System32\CompPkgSrv.exe -Embedding
        1⤵
          PID:3668

        Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              2373fe94-d6cc-4966-b6da-fdd997513bba.tmp

              • Path C:\Users\Admin\AppData\Local\Temp\Solara.Dir\cd57e4c171d6e8f5ea8b8f824a6a7316.exe.WebView2\EBWebView\2373fe94-d6cc-4966-b6da-fdd997513bba.tmp
              • Size 8KB
              • SHA256 8cd56791eef6f5e2f3acec23519a3fa178b9300f57a8002a7448f976af2d0da5
              • MD5 SHA1 SHA512 SSDEEP

              settings.dat

              • Path C:\Users\Admin\AppData\Local\Temp\Solara.Dir\cd57e4c171d6e8f5ea8b8f824a6a7316.exe.WebView2\EBWebView\Crashpad\settings.dat
              • Size 152B
              • SHA256 779c76307d39ef030a64e79361f11740cc3042e4a9fa0af7b9567080c79b7dd8
              • MD5 SHA1 SHA512

              settings.dat

              • Path C:\Users\Admin\AppData\Local\Temp\Solara.Dir\cd57e4c171d6e8f5ea8b8f824a6a7316.exe.WebView2\EBWebView\Crashpad\settings.dat
              • Size 152B
              • SHA256 fed0eaccd8928189cdc9c7ebe131b478db95cccf95d951002d210011f9a05a00
              • MD5 SHA1 SHA512

              throttle_store.dat

              • Path C:\Users\Admin\AppData\Local\Temp\Solara.Dir\cd57e4c171d6e8f5ea8b8f824a6a7316.exe.WebView2\EBWebView\Crashpad\throttle_store.dat
              • Size 20B
              • SHA256 41c91a9c93d76295746a149dce7ebb3b9ee2cb551d84365fff108e59a61cc304
              • MD5 SHA1 SHA512

              data_0

              • Path C:\Users\Admin\AppData\Local\Temp\Solara.Dir\cd57e4c171d6e8f5ea8b8f824a6a7316.exe.WebView2\EBWebView\Default\GPUCache\data_0
              • Size 8KB
              • SHA256 d6a5fe39cd672781b256e0e3102f7022635f1d4bb7cfcc90a80fffe4d0f3877e
              • MD5 SHA1 SHA512 SSDEEP

              data_3

              • Path C:\Users\Admin\AppData\Local\Temp\Solara.Dir\cd57e4c171d6e8f5ea8b8f824a6a7316.exe.WebView2\EBWebView\Default\GPUCache\data_3
              • Size 8KB
              • SHA256 e09f42c398d688dce168570291f1f92d079987deda3099a34adb9e8c0522b30c
              • MD5 SHA1 SHA512 SSDEEP

              MANIFEST-000001

              • Path C:\Users\Admin\AppData\Local\Temp\Solara.Dir\cd57e4c171d6e8f5ea8b8f824a6a7316.exe.WebView2\EBWebView\Default\Local Storage\leveldb\MANIFEST-000001
              • Size 41B
              • SHA256 f9d31b278e215eb0d0e9cd709edfa037e828f36214ab7906f612160fead4b2b4
              • MD5 SHA1 SHA512

              CURRENT

              • Path C:\Users\Admin\AppData\Local\Temp\Solara.Dir\cd57e4c171d6e8f5ea8b8f824a6a7316.exe.WebView2\EBWebView\Default\Sync Data\LevelDB\CURRENT
              • Size 16B
              • SHA256 0f1bad70c7bd1e0a69562853ec529355462fcd0423263a3d39d6d0d70b780443
              • MD5 SHA1 SHA512

              data_2

              • Path C:\Users\Admin\AppData\Local\Temp\Solara.Dir\cd57e4c171d6e8f5ea8b8f824a6a7316.exe.WebView2\EBWebView\GrShaderCache\GPUCache\data_2
              • Size 8KB
              • SHA256 ec1702806f4cc7c42a82fc2b38e89835fde7c64bb32060e0823c9077ca92efb7
              • MD5 SHA1 SHA512 SSDEEP

              data_1

              • Path C:\Users\Admin\AppData\Local\Temp\Solara.Dir\cd57e4c171d6e8f5ea8b8f824a6a7316.exe.WebView2\EBWebView\ShaderCache\GPUCache\data_1
              • Size 264KB
              • SHA256 b1e963d702392fb7224786e7d56d43973e9b9efd1b89c17814d7c558ffc0cdec
              • MD5 SHA1 SHA512 SSDEEP

              memory/124-35-0x00007FFAC6BD0000-0x00007FFAC6BD1000-memory.dmp

              memory/1624-18-0x00000205ED460000-0x00000205ED498000-memory.dmp

              memory/1624-6-0x00007FFAA6500000-0x00007FFAA6FC2000-memory.dmp

              memory/1624-14-0x0000000180000000-0x0000000180B57000-memory.dmp

              memory/1624-15-0x0000000180000000-0x0000000180B57000-memory.dmp

              memory/1624-17-0x00000205EC610000-0x00000205EC618000-memory.dmp

              memory/1624-19-0x00000205ED420000-0x00000205ED42E000-memory.dmp

              memory/1624-0-0x00007FFAA6503000-0x00007FFAA6505000-memory.dmp

              memory/1624-13-0x00007FFAA6500000-0x00007FFAA6FC2000-memory.dmp

              memory/1624-11-0x0000000180000000-0x0000000180B57000-memory.dmp

              memory/1624-10-0x00000205EC630000-0x00000205EC6AE000-memory.dmp

              memory/1624-9-0x00007FFAA6500000-0x00007FFAA6FC2000-memory.dmp

              memory/1624-8-0x00000205EBAC0000-0x00000205EBACE000-memory.dmp

              memory/1624-7-0x00000205EBAD0000-0x00000205EBAF2000-memory.dmp

              memory/1624-12-0x0000000180000000-0x0000000180B57000-memory.dmp

              memory/1624-100-0x00007FFAA6500000-0x00007FFAA6FC2000-memory.dmp

              memory/1624-133-0x00007FFAA6503000-0x00007FFAA6505000-memory.dmp

              memory/1624-5-0x00000205EBB60000-0x00000205EBC12000-memory.dmp

              memory/1624-4-0x00000205EB9E0000-0x00000205EBA9A000-memory.dmp

              memory/1624-3-0x00000205EBD70000-0x00000205EC2AC000-memory.dmp

              memory/1624-2-0x00007FFAA6500000-0x00007FFAA6FC2000-memory.dmp

              memory/1624-1-0x00000205E9230000-0x00000205E924A000-memory.dmp

              memory/1624-245-0x00007FFAA6500000-0x00007FFAA6FC2000-memory.dmp

              memory/1624-246-0x00007FFAA6500000-0x00007FFAA6FC2000-memory.dmp

              memory/1624-247-0x0000000180000000-0x0000000180B57000-memory.dmp

              memory/1624-248-0x00007FFAA6500000-0x00007FFAA6FC2000-memory.dmp