Analysis

  • user interaction
    yes
  • max time kernel
    29s
  • max time network
    28s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260911-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    22/09/2026, 16:35

General

  • Target
    https://usps.institute/
  • Sample260922-t321jsae92
Score
3/10

Malware Config

Signatures

  • 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.

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies data under HKEY_USERS 2 IoCs
  • Modifies registry class 3 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 5 IoCs
  • Suspicious use of FindShellTrayWindow 33 IoCs
  • Suspicious use of SendNotifyMessage 32 IoCs
  • Suspicious use of WriteProcessMemory 27 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--start-maximized --disable-default-apps --disable-component-update --simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT' --single-argument https://usps.institute/
    1⤵
    • Checks processor information in registry
    • 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:4084
    • 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=0x238,0x23c,0x240,0x234,0x248,0x7ffe69d8c188,0x7ffe69d8c194,0x7ffe69d8c1a0
      2⤵
        PID:2256
      • 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=1848,i,14264321777193320220,13171083497949319926,524288 --field-trial-handle=2316,i,576329585265333636,17458842843596482822,262144 --variations-seed-version --mojo-platform-channel-handle=2348 /prefetch:3
        2⤵
        • System Time Discovery
        PID:5788
      • 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=1656,i,3504405452507226744,3210105168775954791,262144 --field-trial-handle=2316,i,576329585265333636,17458842843596482822,262144 --variations-seed-version --mojo-platform-channel-handle=2308 /prefetch:2
        2⤵
          PID:1520
        • 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 --force-high-res-timeticks=disabled --always-read-main-dll --metrics-shmem-handle=2444,i,13246623378948064775,13067978146878840620,524288 --field-trial-handle=2316,i,576329585265333636,17458842843596482822,262144 --variations-seed-version --mojo-platform-channel-handle=2452 /prefetch:8
          2⤵
            PID:5180
          • 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=3476,i,10907578161462219189,16933512422660087472,2097152 --field-trial-handle=2316,i,576329585265333636,17458842843596482822,262144 --variations-seed-version --mojo-platform-channel-handle=3516 /prefetch:1
            2⤵
              PID:5672
            • 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=3492,i,14745428740044329336,13902262656895868907,2097152 --field-trial-handle=2316,i,576329585265333636,17458842843596482822,262144 --variations-seed-version --mojo-platform-channel-handle=3528 /prefetch:1
              2⤵
                PID:1692
              • 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 --disable-gpu-compositing --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=7 --always-read-main-dll --metrics-shmem-handle=4900,i,1954273939756340460,5624417501734219229,2097152 --field-trial-handle=2316,i,576329585265333636,17458842843596482822,262144 --variations-seed-version --mojo-platform-channel-handle=4908 /prefetch:1
                2⤵
                  PID:3972
                • 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 --disable-gpu-compositing --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=8 --always-read-main-dll --metrics-shmem-handle=3440,i,12067286237817256093,13326346177108024069,2097152 --field-trial-handle=2316,i,576329585265333636,17458842843596482822,262144 --variations-seed-version --mojo-platform-channel-handle=3744 /prefetch:1
                  2⤵
                    PID:856
                  • 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=5048,i,16960046387745673569,18088752278710568514,524288 --field-trial-handle=2316,i,576329585265333636,17458842843596482822,262144 --variations-seed-version --mojo-platform-channel-handle=5088 /prefetch:8
                    2⤵
                      PID:4644
                    • 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=5084,i,8762210882232191547,11628599577355524607,524288 --field-trial-handle=2316,i,576329585265333636,17458842843596482822,262144 --variations-seed-version --mojo-platform-channel-handle=5160 /prefetch:8
                      2⤵
                        PID:4380
                      • 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=5864,i,15925867220956972829,7212557023972988369,524288 --field-trial-handle=2316,i,576329585265333636,17458842843596482822,262144 --variations-seed-version --mojo-platform-channel-handle=5880 /prefetch:8
                        2⤵
                          PID:5112
                        • 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=5864,i,15925867220956972829,7212557023972988369,524288 --field-trial-handle=2316,i,576329585265333636,17458842843596482822,262144 --variations-seed-version --mojo-platform-channel-handle=5880 /prefetch:8
                          2⤵
                            PID:4368
                          • 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 --disable-gpu-compositing --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=12 --always-read-main-dll --metrics-shmem-handle=4904,i,17137032213880984993,9442513161937614414,2097152 --field-trial-handle=2316,i,576329585265333636,17458842843596482822,262144 --variations-seed-version --mojo-platform-channel-handle=6008 /prefetch:1
                            2⤵
                              PID:3044
                          • 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:5848
                            • 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:3340

                              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 3c1c88a1dc8e5439a1a520e9db930955bf4755654f664147c54e6cba8b43ed4c
                                    • MD5 SHA1 SHA512 TLSH

                                    settings.dat

                                    • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
                                    • Size 280B
                                    • SHA256 2f67a665126f0d437497b394b50cc87ce72773b6abd85385bb78adf0ad326302
                                    • 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 649B
                                    • SHA256 c63425e8d012299c24684f5ae9f48b39d349d7d978bc06f05d4e82edc319f513
                                    • 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

                                    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 11KB
                                    • SHA256 aa313df8e87f18cb4daba9357b6b23f634938f634ce7f9f0d258609c1a5c53a2
                                    • MD5 SHA1 SHA512 SSDEEP TLSH

                                    Preferences

                                    • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences
                                    • Size 11KB
                                    • SHA256 41c91244d2eca91de75fd5257b82fd5b57c249a725db03bb21972b445d9510dc
                                    • MD5 SHA1 SHA512 SSDEEP TLSH

                                    Secure Preferences

                                    • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Secure Preferences
                                    • Size 27KB
                                    • SHA256 b889e5382c9e415bcf4e5e68d2959c49597a0b5dcecea8a5067e3c14924f16f9
                                    • 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 6c590c8d14447ee1a369c799b1fe983dd88cd6343a9d2d66d839be4bd712ba56
                                    • 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 26KB
                                    • SHA256 a9b125458f5630d8a1e2eb34324cd3224a3bfe2d17768f1c28d4e9f9af2bf9dc
                                    • MD5 SHA1 SHA512 SSDEEP TLSH

                                    Local State

                                    • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                    • Size 25KB
                                    • SHA256 c59b01c5582550eddd378ddd2256ea7f85d8d41b3e07b5615720a2a8ec0b90cb
                                    • MD5 SHA1 SHA512 SSDEEP TLSH

                                    5a2a7058cf8d1e56c20e6b19a7c48eb2386d141b.tbres

                                    • Path C:\Users\Admin\AppData\Local\Microsoft\TokenBroker\Cache\5a2a7058cf8d1e56c20e6b19a7c48eb2386d141b.tbres
                                    • Size 2KB
                                    • SHA256 d755c44ba32262508b337177e86672f535b7eb0ade337be28d6b00ca2924bc6f
                                    • MD5 SHA1 SHA512 TLSH

                                    memory/4368-196-0x0000019F6CDB0000-0x0000019F6DDB0000-memory.dmp