Analysis

  • user interaction
    yes
  • max time kernel
    12s
  • max time network
    24s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    03/05/2026, 16:56

General

  • Target
    fastflag_injector_gui_enhanced.exe
  • Size 1.3MB
  • Sample260503-vftlbsht6p
  • SHA256 439b4a1135e22010cb24884a973f249a8b92cbf817f01d77da9885e6306736bf
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
4/10

Malware Config

Signatures

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

    Enumerate browser information.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • 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 registry class 2 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 4 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fastflag_injector_gui_enhanced.exe
    "C:\Users\Admin\AppData\Local\Temp\fastflag_injector_gui_enhanced.exe"
    1⤵
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3144
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument https://guns.lol/davedown
      2⤵
      • Drops file in Windows directory
      • Enumerates system info in registry
      • Modifies registry class
      • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:3696
      • 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=0x2e0,0x2e4,0x2e8,0x2dc,0x368,0x7ffb5a40c188,0x7ffb5a40c194,0x7ffb5a40c1a0
        3⤵
          PID:5016
        • 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=1756,i,226761511915723749,12299368258664741149,524288 --field-trial-handle=2216,i,9899878333434585539,2336771989570025324,262144 --variations-seed-version --mojo-platform-channel-handle=2244 /prefetch:11
          3⤵
          • System Time Discovery
          PID:4768
        • 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=1540,i,14807165719407327571,8138943225850047227,262144 --field-trial-handle=2216,i,9899878333434585539,2336771989570025324,262144 --variations-seed-version --mojo-platform-channel-handle=2212 /prefetch:2
          3⤵
            PID:4636
          • 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=2484,i,4222882079043802380,9506063391076206695,524288 --field-trial-handle=2216,i,9899878333434585539,2336771989570025324,262144 --variations-seed-version --mojo-platform-channel-handle=2512 /prefetch:13
            3⤵
              PID:728
            • 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=3512,i,15217646915508136461,18101285142000051735,2097152 --field-trial-handle=2216,i,9899878333434585539,2336771989570025324,262144 --variations-seed-version --mojo-platform-channel-handle=3556 /prefetch:1
              3⤵
                PID:1592
              • 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=3528,i,18094944182849109623,17027138376628549293,2097152 --field-trial-handle=2216,i,9899878333434585539,2336771989570025324,262144 --variations-seed-version --mojo-platform-channel-handle=3592 /prefetch:1
                3⤵
                  PID:756
                • 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=4828,i,5893979043815776983,14898529630873845280,2097152 --field-trial-handle=2216,i,9899878333434585539,2336771989570025324,262144 --variations-seed-version --mojo-platform-channel-handle=4868 /prefetch:1
                  3⤵
                    PID:2080
                  • 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=5028,i,13409190798028613363,15468720058816327425,2097152 --field-trial-handle=2216,i,9899878333434585539,2336771989570025324,262144 --variations-seed-version --mojo-platform-channel-handle=3488 /prefetch:1
                    3⤵
                      PID:5872
                    • 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=5312,i,8834546648548969754,12858986565393007620,524288 --field-trial-handle=2216,i,9899878333434585539,2336771989570025324,262144 --variations-seed-version --mojo-platform-channel-handle=5304 /prefetch:14
                      3⤵
                        PID:1428
                      • 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=5140,i,17780094062291488425,785062806391911589,524288 --field-trial-handle=2216,i,9899878333434585539,2336771989570025324,262144 --variations-seed-version --mojo-platform-channel-handle=5408 /prefetch:14
                        3⤵
                          PID:5052
                        • 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.ProfileImport --lang=en-US --service-sandbox-type=none --force-high-res-timeticks=disabled --always-read-main-dll --metrics-shmem-handle=6052,i,14100214474073928089,7180541839081014004,524288 --field-trial-handle=2216,i,9899878333434585539,2336771989570025324,262144 --variations-seed-version --mojo-platform-channel-handle=6048 /prefetch:14
                          3⤵
                            PID:1164
                            • C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\cookie_exporter.exe
                              cookie_exporter.exe --cookie-json=1128
                              4⤵
                                PID:1840
                            • 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=6204,i,2960841725548797306,11194159597016405824,524288 --field-trial-handle=2216,i,9899878333434585539,2336771989570025324,262144 --variations-seed-version --mojo-platform-channel-handle=6220 /prefetch:14
                              3⤵
                                PID:1264
                              • 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=6204,i,2960841725548797306,11194159597016405824,524288 --field-trial-handle=2216,i,9899878333434585539,2336771989570025324,262144 --variations-seed-version --mojo-platform-channel-handle=6220 /prefetch:14
                                3⤵
                                  PID:2912
                            • 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:1372
                              • 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:5160

                                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 71f86f37b013034051fae2e3307728bc40653c617383d6aa85219dd8ea093ca3
                                      • MD5 SHA1 SHA512 TLSH

                                      settings.dat

                                      • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
                                      • Size 280B
                                      • SHA256 5d8c0ebc33f7882ac8aaa0f941413384749c7672a7744de3485d53f3d7a832ce
                                      • 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 b2348088dde71d6c7029fd51fcc4fdbbbb16777ab7195f063837ad50a92bf18c
                                      • MD5 SHA1 SHA512 TLSH

                                      the-real-index

                                      • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Code Cache\js\index-dir\the-real-index
                                      • Size 4KB
                                      • SHA256 c2de332588e5574bda326cbf97b50dfed9a6a852bd57a9d44a4d0d4f015cf5ed
                                      • MD5 SHA1 SHA512 SSDEEP TLSH

                                      the-real-index~RFe58b8fa.TMP

                                      • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Code Cache\js\index-dir\the-real-index~RFe58b8fa.TMP
                                      • Size 3KB
                                      • SHA256 b8ff04b71b075cdf88efda305e003ac5741f346358fdfc1ef9cf3745b07b2cc0
                                      • 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

                                      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 0b2c4443ce987637cd26215b8f95638d65c95d1756ad874c5a3db1919c4a45cb
                                      • MD5 SHA1 SHA512 SSDEEP TLSH

                                      Secure Preferences

                                      • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Secure Preferences
                                      • Size 37KB
                                      • SHA256 a2e1f4045e5aa733f7959667304fcb33e212c94bdc82408c7273a8b4d4fc1304
                                      • 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 24KB
                                      • SHA256 4265604c9747157214ce2e7d6fc64b0c0160f9d01e77e6517807ac865301c81f
                                      • MD5 SHA1 SHA512 SSDEEP TLSH

                                      CURRENT

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

                                      MANIFEST-000001

                                      • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Sync Extension Settings\dcaajljecejllikfgbhjdgeognacjkkp\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 eb867fa1134035455ee1088c7272a4147cea5babf8fbba15660b2d5427b797d4
                                      • MD5 SHA1 SHA512 SSDEEP TLSH

                                      Local State

                                      • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                      • Size 27KB
                                      • SHA256 1fecac6d138fc2a9e73d1cdf54dd6c013f1345538cd88380dcdef76a55785e2d
                                      • MD5 SHA1 SHA512 SSDEEP TLSH

                                      Local State

                                      • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                      • Size 27KB
                                      • SHA256 dd74f0530949a9d97869b0512f1df036f005f1eb6eb9451734f2de4c0e985024
                                      • MD5 SHA1 SHA512 SSDEEP TLSH

                                      Local State

                                      • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                      • Size 25KB
                                      • SHA256 711339d1a9ebfbef9fc2a46c0498676f9b328aa73a02b3ead506232da90c12a6
                                      • MD5 SHA1 SHA512 SSDEEP TLSH

                                      Local State

                                      • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                      • Size 25KB
                                      • SHA256 dcb75f3ff0c1ce6570638ad756c0b669d3e4cdf0d9aad728fab4b7a33f1e1f56
                                      • MD5 SHA1 SHA512 SSDEEP TLSH

                                      memory/1840-234-0x00000256F0E00000-0x00000256F11BB000-memory.dmp

                                      memory/3144-208-0x0000021F2FFC0000-0x0000021F2FFCC000-memory.dmp