Analysis

  • user interaction
    yes
  • max time kernel
    515s
  • max time network
    513s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260618-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260618-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    29/06/2026, 12:34

General

  • Target
    test.txt
  • Size 366B
  • Sample260629-pr7dnsdv7x
  • SHA256 83d40c7bf64353ed3b8420f66cee29715415f3b997f61431a918ba1ddc1af871
  • MD5 SHA1 SHA512 TLSH

Malware Config

Signatures

  • Drops file in Windows directory 5 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • 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
  • Opens file in notepad (likely ransom note) 1 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 3 IoCs
  • Suspicious use of FindShellTrayWindow 9 IoCs
  • Suspicious use of SendNotifyMessage 4 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Windows\system32\NOTEPAD.EXE
    C:\Windows\system32\NOTEPAD.EXE C:\Users\Admin\AppData\Local\Temp\test.txt
    1⤵
    • Opens file in notepad (likely ransom note)
    PID:6284
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k GPSvcGroup
    1⤵
      PID:5632
    • C:\Windows\System32\oobe\UserOOBEBroker.exe
      C:\Windows\System32\oobe\UserOOBEBroker.exe -Embedding
      1⤵
      • Drops file in Windows directory
      PID:568
    • C:\Users\Admin\AppData\Local\Microsoft\OneDrive\18.151.0729.0013\FileCoAuth.exe
      C:\Users\Admin\AppData\Local\Microsoft\OneDrive\18.151.0729.0013\FileCoAuth.exe -Embedding
      1⤵
      • System Location Discovery: System Language Discovery
      PID:3480
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
      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:4944
      • 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=0x2f0,0x2f4,0x2f8,0x2ec,0x300,0x7ffbf39fc188,0x7ffbf39fc194,0x7ffbf39fc1a0
        2⤵
          PID:2476
        • 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=1860,i,4904056954883871998,13200350101415283110,262144 --field-trial-handle=2416,i,12821925056397998441,4288145956894172640,262144 --variations-seed-version --mojo-platform-channel-handle=2412 /prefetch:2
          2⤵
            PID:4752
          • 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=2144,i,6963207991228639184,17790967827642483635,524288 --field-trial-handle=2416,i,12821925056397998441,4288145956894172640,262144 --variations-seed-version --mojo-platform-channel-handle=2444 /prefetch:11
            2⤵
            • System Time Discovery
            PID:3760
          • 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=2748,i,14844108383060651219,7710550048333647360,524288 --field-trial-handle=2416,i,12821925056397998441,4288145956894172640,262144 --variations-seed-version --mojo-platform-channel-handle=2804 /prefetch:13
            2⤵
              PID:6776
            • 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=3532,i,4625376312497677661,17122664431675089345,2097152 --field-trial-handle=2416,i,12821925056397998441,4288145956894172640,262144 --variations-seed-version --mojo-platform-channel-handle=3604 /prefetch:1
              2⤵
                PID:4092
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --instant-process --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=3540,i,17355678610897000117,16216633705053648849,2097152 --field-trial-handle=2416,i,12821925056397998441,4288145956894172640,262144 --variations-seed-version --mojo-platform-channel-handle=3636 /prefetch:1
                2⤵
                  PID:4084
                • 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=5432,i,9886313198325196231,7782637154045474797,524288 --field-trial-handle=2416,i,12821925056397998441,4288145956894172640,262144 --variations-seed-version --mojo-platform-channel-handle=5276 /prefetch:14
                  2⤵
                    PID:5412
                  • 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=5428,i,5034269344788098894,16018299600782710920,524288 --field-trial-handle=2416,i,12821925056397998441,4288145956894172640,262144 --variations-seed-version --mojo-platform-channel-handle=5060 /prefetch:14
                    2⤵
                      PID:4948
                    • 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=5912,i,16184821377322627243,12041354439332151055,524288 --field-trial-handle=2416,i,12821925056397998441,4288145956894172640,262144 --variations-seed-version --mojo-platform-channel-handle=5928 /prefetch:14
                      2⤵
                        PID:6124
                      • 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=5912,i,16184821377322627243,12041354439332151055,524288 --field-trial-handle=2416,i,12821925056397998441,4288145956894172640,262144 --variations-seed-version --mojo-platform-channel-handle=5928 /prefetch:14
                        2⤵
                          PID:6832
                        • 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=10 --always-read-main-dll --metrics-shmem-handle=6464,i,412923064576569325,1054055743736843137,2097152 --field-trial-handle=2416,i,12821925056397998441,4288145956894172640,262144 --variations-seed-version --mojo-platform-channel-handle=6484 /prefetch:1
                          2⤵
                            PID:2832
                        • 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:7048
                          • 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:3732

                            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 f60cd2d9231e56b0a0784a59fb17664fa333e06aac5ee1d5692effc5152b5c30
                                  • MD5 SHA1 SHA512 TLSH

                                  settings.dat

                                  • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
                                  • Size 280B
                                  • SHA256 ff07219f3594693f0fac57895f6888104d17957d039d3530d82987134771108b
                                  • 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 232700e0cab15dab90490bf9fe7f1e25be8754fdd867be33d4acac540331e3b1
                                  • 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 17KB
                                  • SHA256 b36ae795a9937168af2b44d600c9312d265fa7996bf1429f8d622eeab7245bd7
                                  • MD5 SHA1 SHA512 SSDEEP TLSH

                                  Secure Preferences

                                  • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Secure Preferences
                                  • Size 32KB
                                  • SHA256 5f2f94159d38ad9cfa751fbc77b52ecabc8daa92e60cd146e7593774ea4ad068
                                  • MD5 SHA1 SHA512 SSDEEP TLSH

                                  the-real-index

                                  • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Service Worker\CacheStorage\3cedfb74d44f2e84198d23075aef16c34a668ceb\b74d25ef-5376-4798-999b-64c9b976f9a0\index-dir\the-real-index
                                  • Size 2KB
                                  • SHA256 ff9c4269e8a1600add13d484b107bc8e9653911e1a58903e3f4bcb3638fa8e12
                                  • MD5 SHA1 SHA512 TLSH

                                  the-real-index~RFe5ff4aa.TMP

                                  • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Service Worker\CacheStorage\3cedfb74d44f2e84198d23075aef16c34a668ceb\b74d25ef-5376-4798-999b-64c9b976f9a0\index-dir\the-real-index~RFe5ff4aa.TMP
                                  • Size 2KB
                                  • SHA256 8c681c775bf3e0518c49dbf48b6ce84c5849a3ecf49ab61b841ca71524c140b8
                                  • MD5 SHA1 SHA512 TLSH

                                  sync_diagnostic.log

                                  • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Sync Data\Logs\sync_diagnostic.log
                                  • Size 23KB
                                  • SHA256 dee2bbaf776536fd71f58c378ec1e80a8509a304519a6d4cf51c7aa931cc65c7
                                  • MD5 SHA1 SHA512 SSDEEP TLSH

                                  Local State

                                  • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                  • Size 27KB
                                  • SHA256 b4f8b490861de7ce697207d09e90e4a4b9f4c6713eaf2d085046ac5913dbf7aa
                                  • MD5 SHA1 SHA512 SSDEEP TLSH

                                  Local State

                                  • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                  • Size 26KB
                                  • SHA256 03228ae0bdf7b56c733465397a245e1b60880096fe5f4652db071fecae71797d
                                  • MD5 SHA1 SHA512 SSDEEP TLSH