Analysis

  • user interaction
    yes
  • max time kernel
    35s
  • max time network
    36s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260911-en
  • resource tags

    arch:x64arch:x86image:win11-20260911-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    22/09/2026, 15:53

General

  • Target
    http://brevo.com
  • Sample260922-tbsmsshg77
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.

  • 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 16 IoCs
  • Suspicious use of WriteProcessMemory 32 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--start-maximized --disable-default-apps --disable-component-update --simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT' --single-argument http://brevo.com
    1⤵
    • 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:5584
    • 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=0x23c,0x240,0x244,0x238,0x24c,0x7ffeb4f8c188,0x7ffeb4f8c194,0x7ffeb4f8c1a0
      2⤵
        PID:2884
      • 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=1888,i,7948631078540791578,14351230019658371362,524288 --field-trial-handle=2552,i,238395619394272901,10804778252504091637,262144 --variations-seed-version --mojo-platform-channel-handle=2644 /prefetch:11
        2⤵
        • System Time Discovery
        PID:1040
      • 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=1684,i,13377104924236903755,8107923718934209176,262144 --field-trial-handle=2552,i,238395619394272901,10804778252504091637,262144 --variations-seed-version --mojo-platform-channel-handle=2544 /prefetch:2
        2⤵
          PID:5308
        • 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=2144,i,8030671846989193084,15278118525848811926,524288 --field-trial-handle=2552,i,238395619394272901,10804778252504091637,262144 --variations-seed-version --mojo-platform-channel-handle=3084 /prefetch:13
          2⤵
            PID:4920
          • 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=3500,i,9620920257655339440,3933803116791378868,2097152 --field-trial-handle=2552,i,238395619394272901,10804778252504091637,262144 --variations-seed-version --mojo-platform-channel-handle=3520 /prefetch:1
            2⤵
              PID:3452
            • 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=3516,i,13362218328871568217,16758663347583248784,2097152 --field-trial-handle=2552,i,238395619394272901,10804778252504091637,262144 --variations-seed-version --mojo-platform-channel-handle=3528 /prefetch:1
              2⤵
                PID:3952
              • 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=4836,i,12854836862628338589,2254942756492267159,2097152 --field-trial-handle=2552,i,238395619394272901,10804778252504091637,262144 --variations-seed-version --mojo-platform-channel-handle=4848 /prefetch:1
                2⤵
                  PID:5200
                • 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=3676,i,17872410480053431383,6018852325818417638,524288 --field-trial-handle=2552,i,238395619394272901,10804778252504091637,262144 --variations-seed-version --mojo-platform-channel-handle=3704 /prefetch:14
                  2⤵
                    PID:464
                  • 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=3708,i,7523554297801909615,10932160667739138717,524288 --field-trial-handle=2552,i,238395619394272901,10804778252504091637,262144 --variations-seed-version --mojo-platform-channel-handle=3712 /prefetch:14
                    2⤵
                      PID:1472
                    • 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=5748,i,3948755976911885021,13363507702560694268,524288 --field-trial-handle=2552,i,238395619394272901,10804778252504091637,262144 --variations-seed-version --mojo-platform-channel-handle=5772 /prefetch:14
                      2⤵
                        PID:4000
                      • 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=5820,i,17906707494923785276,7704276742149569393,524288 --field-trial-handle=2552,i,238395619394272901,10804778252504091637,262144 --variations-seed-version --mojo-platform-channel-handle=5652 /prefetch:14
                        2⤵
                        • Suspicious use of WriteProcessMemory
                        PID:1428
                        • C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\cookie_exporter.exe
                          cookie_exporter.exe --cookie-json=1128
                          3⤵
                            PID:1960
                        • 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=5748,i,3948755976911885021,13363507702560694268,524288 --field-trial-handle=2552,i,238395619394272901,10804778252504091637,262144 --variations-seed-version --mojo-platform-channel-handle=5772 /prefetch:14
                          2⤵
                            PID:1728
                          • 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=6240,i,10714401543333867417,17729376918537630692,2097152 --field-trial-handle=2552,i,238395619394272901,10804778252504091637,262144 --variations-seed-version --mojo-platform-channel-handle=5892 /prefetch:1
                            2⤵
                              PID:940
                            • 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=13 --always-read-main-dll --metrics-shmem-handle=4996,i,9401224682190556141,10847384898068883684,2097152 --field-trial-handle=2552,i,238395619394272901,10804778252504091637,262144 --variations-seed-version --mojo-platform-channel-handle=5116 /prefetch:1
                              2⤵
                                PID:2388
                              • 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=6148,i,4509951254887176050,1921732025802573878,524288 --field-trial-handle=2552,i,238395619394272901,10804778252504091637,262144 --variations-seed-version --mojo-platform-channel-handle=4940 /prefetch:14
                                2⤵
                                  PID:5152
                                • 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=2888,i,8515979611803102526,2598710748651234571,524288 --field-trial-handle=2552,i,238395619394272901,10804778252504091637,262144 --variations-seed-version --mojo-platform-channel-handle=6576 /prefetch:14
                                  2⤵
                                    PID:5980
                                  • 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=4928,i,1828537390907353997,9524823409671014581,524288 --field-trial-handle=2552,i,238395619394272901,10804778252504091637,262144 --variations-seed-version --mojo-platform-channel-handle=6608 /prefetch:14
                                    2⤵
                                      PID:2232
                                  • 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:3180
                                    • 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:4808

                                      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 00fd53d4e341ca585361bfbe699a2c8a3fdbc255133db935051b0958a30a7abf
                                            • MD5 SHA1 SHA512 TLSH

                                            settings.dat

                                            • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
                                            • Size 280B
                                            • SHA256 ef8e0a91cc3656fe639527b7c461215de3584a9b32168d8efc58c800c3fcf45a
                                            • MD5 SHA1 SHA512 TLSH

                                            BookmarkMergedSurfaceOrdering

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

                                            f_000098

                                            • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Cache\Cache_Data\f_000098
                                            • Size 25KB
                                            • SHA256 65ca8d0660e3b9de3e082c82b5279ea161465588e50a3d278a6a9f0746329fb3
                                            • MD5 SHA1 SHA512 SSDEEP TLSH

                                            f_00009b

                                            • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Cache\Cache_Data\f_00009b
                                            • Size 128KB
                                            • SHA256 a46ecb86cb5915c9bac7f5749ec82e00cb4b5a47b3c9716217935dbd4bca8e99
                                            • MD5 SHA1 SHA512 SSDEEP TLSH

                                            f_00009c

                                            • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Cache\Cache_Data\f_00009c
                                            • Size 39KB
                                            • SHA256 e2bb88de636c557cbf6190906f431140ad5a06bca9dd20bb1d9af05793bd02a2
                                            • MD5 SHA1 SHA512 SSDEEP TLSH

                                            f_00009f

                                            • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Cache\Cache_Data\f_00009f
                                            • Size 144KB
                                            • SHA256 ae99aefbaaf864d1339083af7f10c3d9e3af0e91dcae8ea31766663de161d8ac
                                            • MD5 SHA1 SHA512 SSDEEP TLSH

                                            f_0000a0

                                            • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Cache\Cache_Data\f_0000a0
                                            • Size 35KB
                                            • SHA256 087d0129f117125d005bcb51883e903f098728f4545b5883ccf0063d82664f28
                                            • MD5 SHA1 SHA512 SSDEEP TLSH

                                            f_0000a5

                                            • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Cache\Cache_Data\f_0000a5
                                            • Size 194KB
                                            • SHA256 c02c0352edc835e523526af1df34341793f8eb6e1bdc4b4ec297581443326d35
                                            • MD5 SHA1 SHA512 SSDEEP TLSH

                                            f_0000c3

                                            • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Cache\Cache_Data\f_0000c3
                                            • Size 40KB
                                            • SHA256 66bd0d3f4caab58f0cc5d8bddef3bb9c13b9dce942e8586dc85d0c57392d61c4
                                            • MD5 SHA1 SHA512 SSDEEP TLSH

                                            f_0000d6

                                            • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Cache\Cache_Data\f_0000d6
                                            • Size 20KB
                                            • SHA256 048ef08c47cc75b5305dc6a657dfe6742466f84662c347534b823d00a70fecb9
                                            • MD5 SHA1 SHA512 SSDEEP TLSH

                                            f_0000eb

                                            • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Cache\Cache_Data\f_0000eb
                                            • Size 345KB
                                            • SHA256 af74444f93c1a87703c134e8e3a1762932e8c9ed17b5781360a51435080b8704
                                            • MD5 SHA1 SHA512 SSDEEP 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 0e54078e24218fdfd59aaaedf00e3f445b993a63b50c1eab620f68facfda2dda
                                            • MD5 SHA1 SHA512 SSDEEP TLSH

                                            Preferences

                                            • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences
                                            • Size 12KB
                                            • SHA256 c81770650d80f4a6c3d658cb7da3130fb94904612967ba8c09509f33729b6e77
                                            • MD5 SHA1 SHA512 SSDEEP TLSH

                                            Preferences

                                            • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences
                                            • Size 12KB
                                            • SHA256 e96bcc724e57e28f2f7c17c0b5e5467c0e99b65f86f47395e77efb23cb82902d
                                            • MD5 SHA1 SHA512 SSDEEP TLSH

                                            Secure Preferences

                                            • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Secure Preferences
                                            • Size 28KB
                                            • SHA256 fab72c4fe3c99ab9934eee2cfcc91283a80567fca7823fdade8be2534bb752d6
                                            • 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 3e9fb838667c11d642191eef0da72e13ac2d3c307a6120488f59d7ee9993c482
                                            • 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

                                            e9afeac5-25c6-4be1-b181-123197d52f09.tmp

                                            • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\e9afeac5-25c6-4be1-b181-123197d52f09.tmp
                                            • Size 649B
                                            • SHA256 84fc1f69f2a0898c42c860717ea4aed9c9e6dc8131d65c4b6a0d5baa230adf0c
                                            • MD5 SHA1 SHA512 TLSH

                                            Local State

                                            • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                            • Size 27KB
                                            • SHA256 bf59f5a281746e4b265219b8f17f4035d4705d910726c65148121c221a704ee7
                                            • MD5 SHA1 SHA512 SSDEEP TLSH

                                            Local State

                                            • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                            • Size 27KB
                                            • SHA256 075e73ce5d229f58f77a2c2fcefc09ff5a36f682e714fdd20385b7e81721719a
                                            • MD5 SHA1 SHA512 SSDEEP TLSH

                                            Local State

                                            • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                            • Size 25KB
                                            • SHA256 7201f710d1b9709bf660f232cbc18fe6025301077a977b84157bb073a129a859
                                            • MD5 SHA1 SHA512 SSDEEP TLSH

                                            memory/1728-622-0x0000025280000000-0x0000025281000000-memory.dmp