Analysis

  • max time kernel
    148s
  • max time network
    134s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260629-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    05/07/2026, 09:46

General

  • Target
    Quasar v1.4.1/3rdPartyLicenses/BouncyCastle_license.html
  • Size 1KB
  • Sample260705-lrqjdae16p
  • SHA256 6b73c0a42d138d1f05b527c7b936e79af9f44a55d52e35f912da15c0dea43d30
  • MD5 SHA1 SHA512 TLSH
Score
4/10

Malware Config

Signatures

  • Drops file in Windows directory 1 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • System Time Discovery 1 TTPs 1 IoCs

    Adversary may gather the system time and/or time zone settings from a local or remote system.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies data under HKEY_USERS 2 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 3 IoCs
  • Suspicious use of FindShellTrayWindow 33 IoCs
  • Suspicious use of SendNotifyMessage 16 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --start-maximized --disable-default-apps --disable-component-update --simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT' --single-argument C:\Users\Admin\AppData\Local\Temp\Quasar v1.4.1\3rdPartyLicenses\BouncyCastle_license.html
    1⤵
    • Drops file in Windows directory
    • Enumerates system info in registry
    • Modifies data under HKEY_USERS
    • Modifies registry class
    • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:5744
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" /prefetch:4 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad" --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=139.0.7258.155 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 --annotation=prod=Edge --annotation=ver=139.0.3405.125 --initial-client-data=0x260,0x264,0x268,0x25c,0x2d8,0x7ffd1f63c188,0x7ffd1f63c194,0x7ffd1f63c1a0
      2⤵
        PID:5776
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --no-pre-read-main-dll --force-high-res-timeticks=disabled --always-read-main-dll --metrics-shmem-handle=1884,i,7141007054789988313,17069630559226708627,524288 --field-trial-handle=2620,i,6398181188902137748,15686725717632416144,262144 --variations-seed-version --mojo-platform-channel-handle=2648 /prefetch:11
        2⤵
        • System Time Discovery
        PID:6004
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --no-pre-read-main-dll --force-high-res-timeticks=disabled --gpu-preferences=SAAAAAAAAADgAAAIAAAAAAAAAAAAAGAAAQAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAQAAAAAAAAABAAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --always-read-main-dll --metrics-shmem-handle=1568,i,6240168633114245724,6087387442879391996,262144 --field-trial-handle=2620,i,6398181188902137748,15686725717632416144,262144 --variations-seed-version --mojo-platform-channel-handle=2616 /prefetch:2
        2⤵
          PID:6076
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --lang=en-US --service-sandbox-type=service --no-pre-read-main-dll --force-high-res-timeticks=disabled --always-read-main-dll --metrics-shmem-handle=2116,i,16641431362450995359,14200675934301646061,524288 --field-trial-handle=2620,i,6398181188902137748,15686725717632416144,262144 --variations-seed-version --mojo-platform-channel-handle=2732 /prefetch:13
          2⤵
            PID:6480
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --pdf-upsell-enabled --force-high-res-timeticks=disabled --video-capture-use-gpu-memory-buffer --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --always-read-main-dll --metrics-shmem-handle=3584,i,13688928140399992129,4978927534770630016,2097152 --field-trial-handle=2620,i,6398181188902137748,15686725717632416144,262144 --variations-seed-version --mojo-platform-channel-handle=3624 /prefetch:1
            2⤵
              PID:1372
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --pdf-upsell-enabled --force-high-res-timeticks=disabled --video-capture-use-gpu-memory-buffer --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --always-read-main-dll --metrics-shmem-handle=3604,i,14214314444537788157,11249131660370193319,2097152 --field-trial-handle=2620,i,6398181188902137748,15686725717632416144,262144 --variations-seed-version --mojo-platform-channel-handle=3644 /prefetch:1
              2⤵
                PID:4200
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --force-high-res-timeticks=disabled --always-read-main-dll --metrics-shmem-handle=5136,i,375452291632641181,111531498332445446,524288 --field-trial-handle=2620,i,6398181188902137748,15686725717632416144,262144 --variations-seed-version --mojo-platform-channel-handle=5188 /prefetch:14
                2⤵
                  PID:2420
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=entity_extraction_service.mojom.Extractor --lang=en-US --service-sandbox-type=entity_extraction --onnx-enabled-for-ee --force-high-res-timeticks=disabled --always-read-main-dll --metrics-shmem-handle=5128,i,1422412298272374879,16198277562580913420,524288 --field-trial-handle=2620,i,6398181188902137748,15686725717632416144,262144 --variations-seed-version --mojo-platform-channel-handle=5208 /prefetch:14
                  2⤵
                    PID:5872
                  • C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\identity_helper.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --lang=en-US --service-sandbox-type=none --force-high-res-timeticks=disabled --always-read-main-dll --metrics-shmem-handle=5728,i,7677457017772701703,9650075982088644065,524288 --field-trial-handle=2620,i,6398181188902137748,15686725717632416144,262144 --variations-seed-version --mojo-platform-channel-handle=5732 /prefetch:14
                    2⤵
                      PID:3592
                    • C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\identity_helper.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --lang=en-US --service-sandbox-type=none --force-high-res-timeticks=disabled --always-read-main-dll --metrics-shmem-handle=5728,i,7677457017772701703,9650075982088644065,524288 --field-trial-handle=2620,i,6398181188902137748,15686725717632416144,262144 --variations-seed-version --mojo-platform-channel-handle=5732 /prefetch:14
                      2⤵
                        PID:1120
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --lang=en-US --service-sandbox-type=none --message-loop-type-ui --force-high-res-timeticks=disabled --always-read-main-dll --metrics-shmem-handle=5728,i,15515942759730286001,13070995512923685118,524288 --field-trial-handle=2620,i,6398181188902137748,15686725717632416144,262144 --variations-seed-version --mojo-platform-channel-handle=5864 /prefetch:14
                        2⤵
                          PID:2356
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --lang=en-US --service-sandbox-type=none --message-loop-type-ui --force-high-res-timeticks=disabled --always-read-main-dll --metrics-shmem-handle=5620,i,13713539120806982928,12350457582268032099,524288 --field-trial-handle=2620,i,6398181188902137748,15686725717632416144,262144 --variations-seed-version --mojo-platform-channel-handle=6192 /prefetch:14
                          2⤵
                            PID:1136
                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --lang=en-US --service-sandbox-type=none --message-loop-type-ui --force-high-res-timeticks=disabled --always-read-main-dll --metrics-shmem-handle=5936,i,13038233406023096639,3888574464139320119,524288 --field-trial-handle=2620,i,6398181188902137748,15686725717632416144,262144 --variations-seed-version --mojo-platform-channel-handle=6176 /prefetch:14
                            2⤵
                              PID:4572
                            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=edge_search_indexer.mojom.SearchIndexerInterfaceBroker --lang=en-US --service-sandbox-type=search_indexer --message-loop-type-ui --force-high-res-timeticks=disabled --always-read-main-dll --metrics-shmem-handle=5172,i,4355602585551651079,18328666918265894646,524288 --field-trial-handle=2620,i,6398181188902137748,15686725717632416144,262144 --variations-seed-version --mojo-platform-channel-handle=5292 /prefetch:14
                              2⤵
                                PID:6764
                              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.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 --force-high-res-timeticks=disabled --gpu-preferences=SAAAAAAAAADoAAAIAAAAAAAAAAAAAGAAAQAAAAAAAACEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAQAAAAAAAAABAAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --always-read-main-dll --metrics-shmem-handle=6148,i,8893002415183187490,1617612535994414739,262144 --field-trial-handle=2620,i,6398181188902137748,15686725717632416144,262144 --variations-seed-version --mojo-platform-channel-handle=5728 /prefetch:10
                                2⤵
                                • Suspicious behavior: EnumeratesProcesses
                                PID:5980
                            • C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevation_service.exe
                              "C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevation_service.exe"
                              1⤵
                                PID:6088
                              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --no-startup-window --win-session-start
                                1⤵
                                  PID:3736

                                Network

                                      MITRE ATT&CK Enterprise v16

                                      Replay Monitor

                                      Loading Replay Monitor...

                                      Downloads

                                      settings.dat

                                      • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
                                      • Size 280B
                                      • SHA256 78b24b2d65b9be0f6df01dc52b04a154c849f693b62d1b21bab7d0153c5dbf7a
                                      • MD5 SHA1 SHA512 TLSH

                                      settings.dat

                                      • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
                                      • Size 280B
                                      • SHA256 d27158eebf482333709292486790045376be986643b5bf9f8e823c47416e03c5
                                      • MD5 SHA1 SHA512 TLSH

                                      BookmarkMergedSurfaceOrdering

                                      • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\BookmarkMergedSurfaceOrdering
                                      • Size 6B
                                      • SHA256 4489f9e3e454748b3521eb214e0a5694d562cff3d9ff511cb456953c8f534c00
                                      • MD5 SHA1 SHA512

                                      BrowsingTopicsState

                                      • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\BrowsingTopicsState
                                      • Size 414B
                                      • SHA256 2809f8c732b7f48184c5d171d28408d628ba0e9e194334655c70591a3f9478f9
                                      • MD5 SHA1 SHA512 TLSH

                                      SiteList-Enterprise.json

                                      • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\DualEngine\SiteList-Enterprise.json
                                      • Size 2B
                                      • SHA256 44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a
                                      • MD5 SHA1 SHA512

                                      HubApps

                                      • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\HubApps
                                      • Size 106KB
                                      • SHA256 eb2fd7422436fff93f6be09df3294b26cdb7afd18e6aa94dcdc0f208db78b2ed
                                      • MD5 SHA1 SHA512 SSDEEP TLSH

                                      Network Persistent State

                                      • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network\Network Persistent State
                                      • Size 2KB
                                      • SHA256 8d1fa025414259e74405fe626059367350967ad63dd456b4f2cc663ebe480bab
                                      • MD5 SHA1 SHA512 TLSH

                                      SCT Auditing Pending Reports

                                      • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network\SCT Auditing Pending Reports
                                      • Size 2B
                                      • SHA256 4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945
                                      • MD5 SHA1 SHA512

                                      Sdch Dictionaries

                                      • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network\Sdch Dictionaries
                                      • Size 40B
                                      • SHA256 6028bd681dbf11a0a58dde8a0cd884115c04caa59d080ba51bde1b086ce0079d
                                      • MD5 SHA1 SHA512

                                      Preferences

                                      • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences
                                      • Size 15KB
                                      • SHA256 dbdf7572b339bbfd625726f2015ddccab7a8b45beefea1c6e9b069b929cfab99
                                      • MD5 SHA1 SHA512 SSDEEP TLSH

                                      Preferences

                                      • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences
                                      • Size 15KB
                                      • SHA256 222b7f44e6f1cc68e9bac09195b1cf83ffe557d488524286e3482cd83d1683bb
                                      • MD5 SHA1 SHA512 SSDEEP TLSH

                                      Secure Preferences

                                      • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Secure Preferences
                                      • Size 27KB
                                      • SHA256 5c203361c1c38b7404d561a03038821f91a246ce4868548c52aedd17bf03f6ee
                                      • MD5 SHA1 SHA512 SSDEEP TLSH

                                      sync_diagnostic.log

                                      • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Sync Data\Logs\sync_diagnostic.log
                                      • Size 23KB
                                      • SHA256 42a3ba91fc0eeb402e51d12531b4c1c3625da94e90e5a00fda82843680f15990
                                      • MD5 SHA1 SHA512 SSDEEP TLSH

                                      CURRENT

                                      • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Sync Extension Settings\ghbmnnjooekpmoecnnnilnnbdlolhkhi\CURRENT
                                      • Size 16B
                                      • SHA256 0f1bad70c7bd1e0a69562853ec529355462fcd0423263a3d39d6d0d70b780443
                                      • MD5 SHA1 SHA512

                                      MANIFEST-000001

                                      • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Sync Extension Settings\ghbmnnjooekpmoecnnnilnnbdlolhkhi\MANIFEST-000001
                                      • Size 41B
                                      • SHA256 f9d31b278e215eb0d0e9cd709edfa037e828f36214ab7906f612160fead4b2b4
                                      • MD5 SHA1 SHA512

                                      Local State

                                      • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                      • Size 27KB
                                      • SHA256 456587c80684c8e746bfa380982104c384ab47945d3f38d11a76a63e6193e81c
                                      • MD5 SHA1 SHA512 SSDEEP TLSH

                                      Local State

                                      • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                      • Size 27KB
                                      • SHA256 54a5b64fde4fd25db1acd317c12ab48a059269547a607b65cd88e59d7f409e1c
                                      • MD5 SHA1 SHA512 SSDEEP TLSH

                                      Local State

                                      • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                      • Size 27KB
                                      • SHA256 08b60eb921daf3bb753b108fcdd1089684194065427b45558c278119ded54480
                                      • MD5 SHA1 SHA512 SSDEEP TLSH

                                      Local State

                                      • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                      • Size 26KB
                                      • SHA256 3dac62e0f800dbd39c549a59bc7d58919e1570b37fd0f54e525173b74623b924
                                      • MD5 SHA1 SHA512 SSDEEP TLSH