Analysis

  • max time kernel
    58s
  • max time network
    44s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260618-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260618-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    27/06/2026, 02:39

General

  • Target
    Matcha External/Matcha External.exe
  • Size 146KB
  • Sample260627-c5ppkahs2k
  • SHA256 dd9729a2f62a8c742aacce3ee721df1cbd1ce549477decb3c64f9ed6dfb9c1ee
  • 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 data under HKEY_USERS 2 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 2 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 22 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Matcha External\Matcha External.exe
    "C:\Users\Admin\AppData\Local\Temp\Matcha External\Matcha External.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:5708
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument https://igk.filexspace.com/getfile/TGNGNMJ?title=Dependecies
      2⤵
      • 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 WriteProcessMemory
      PID:5024
      • 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,0x374,0x7ffec508c188,0x7ffec508c194,0x7ffec508c1a0
        3⤵
          PID:6404
        • 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=1668,i,11149770909111538155,3090165378024962311,262144 --field-trial-handle=3028,i,2153280202446614067,9046950002128713019,262144 --variations-seed-version --mojo-platform-channel-handle=3024 /prefetch:2
          3⤵
            PID:7084
          • 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=1804,i,429683472156751716,16732591721215417677,524288 --field-trial-handle=3028,i,2153280202446614067,9046950002128713019,262144 --variations-seed-version --mojo-platform-channel-handle=3064 /prefetch:11
            3⤵
            • System Time Discovery
            PID:2260
          • 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=2240,i,2058562780367018686,6708402228558132418,524288 --field-trial-handle=3028,i,2153280202446614067,9046950002128713019,262144 --variations-seed-version --mojo-platform-channel-handle=3236 /prefetch:13
            3⤵
              PID:4708
            • 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=3576,i,5559798098280407363,16312103269122507317,2097152 --field-trial-handle=3028,i,2153280202446614067,9046950002128713019,262144 --variations-seed-version --mojo-platform-channel-handle=3660 /prefetch:1
              3⤵
                PID:2192
              • 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=3580,i,12112380294553857705,8743521042806025413,2097152 --field-trial-handle=3028,i,2153280202446614067,9046950002128713019,262144 --variations-seed-version --mojo-platform-channel-handle=3664 /prefetch:1
                3⤵
                  PID:3444
                • 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=5196,i,9894446665113684263,15572733133439210957,524288 --field-trial-handle=3028,i,2153280202446614067,9046950002128713019,262144 --variations-seed-version --mojo-platform-channel-handle=5228 /prefetch:14
                  3⤵
                    PID:2780
                  • 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=5200,i,9463582764533250198,15741977922374724937,524288 --field-trial-handle=3028,i,2153280202446614067,9046950002128713019,262144 --variations-seed-version --mojo-platform-channel-handle=5260 /prefetch:14
                    3⤵
                      PID:2784
                    • 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=5816,i,4891632256844760899,3359871678066619054,524288 --field-trial-handle=3028,i,2153280202446614067,9046950002128713019,262144 --variations-seed-version --mojo-platform-channel-handle=5828 /prefetch:14
                      3⤵
                        PID:4512
                      • 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=5816,i,4891632256844760899,3359871678066619054,524288 --field-trial-handle=3028,i,2153280202446614067,9046950002128713019,262144 --variations-seed-version --mojo-platform-channel-handle=5828 /prefetch:14
                        3⤵
                          PID:4320
                        • 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=6404,i,14321088959593552070,10902938699452970171,524288 --field-trial-handle=3028,i,2153280202446614067,9046950002128713019,262144 --variations-seed-version --mojo-platform-channel-handle=6408 /prefetch:14
                          3⤵
                            PID:568
                          • 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=5128,i,16097202361299904944,13241007500468267192,524288 --field-trial-handle=3028,i,2153280202446614067,9046950002128713019,262144 --variations-seed-version --mojo-platform-channel-handle=5736 /prefetch:14
                            3⤵
                              PID:4700
                            • 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=5132,i,569246152596781127,16421957018921239230,524288 --field-trial-handle=3028,i,2153280202446614067,9046950002128713019,262144 --variations-seed-version --mojo-platform-channel-handle=6388 /prefetch:14
                              3⤵
                                PID:5520
                          • 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:3140
                            • 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:2120

                              Network

                                    MITRE ATT&CK Enterprise v16

                                    Replay Monitor

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                                    Downloads

                                    settings.dat

                                    • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
                                    • Size 280B
                                    • SHA256 83748c5f59c12f467f96b0d21c3c9653419dfd0271c8efbdeebbd6ba4bd7548e
                                    • MD5 SHA1 SHA512 TLSH

                                    settings.dat

                                    • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
                                    • Size 280B
                                    • SHA256 f955c8d6f1a1a3190d5e321035e28ca582fcb76ec2f60d653e90465ff9d1ea00
                                    • 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 9cbd17984647e895eb8abfbfeb7e84d0be0de87b17351d22cf776e1dc91e7a8f
                                    • 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 3KB
                                    • SHA256 1577bf3d6250d945d6e00367bd00895fbc28fbf6794e9ea5fdf0423173ce7c74
                                    • MD5 SHA1 SHA512 TLSH

                                    the-real-index~RFe58d2db.TMP

                                    • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Code Cache\js\index-dir\the-real-index~RFe58d2db.TMP
                                    • Size 3KB
                                    • SHA256 fd4c93e53dcc87853acae5ad6fe0dbf040290408622093575169794e1d58f8eb
                                    • 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 8326c21ed32d355027447c372f499e1ca55375b0b3d758a8c81a03282c36440c
                                    • MD5 SHA1 SHA512 SSDEEP TLSH

                                    Secure Preferences

                                    • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Secure Preferences
                                    • Size 32KB
                                    • SHA256 d26eee45bcce2d69b372d7f5b7ccbc491c7336eaffaf6ad538cbc70e34d281b7
                                    • 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 9eb6b832a11f7fcf1e9fd8af0f4aa6f0b95c7b1307734f6fa482cbf3415259c2
                                    • MD5 SHA1 SHA512 SSDEEP TLSH

                                    Local State

                                    • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                    • Size 27KB
                                    • SHA256 c442f300d69137e25335f5f1d36cd7b4efe7791d292b4b3110ff727c862f6579
                                    • MD5 SHA1 SHA512 SSDEEP TLSH

                                    Local State

                                    • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                    • Size 26KB
                                    • SHA256 ff40d289657f7ce15857e174b1b13db0b3cbc5cbb225af17da362a2e8ad5f166
                                    • MD5 SHA1 SHA512 SSDEEP TLSH

                                    Local State

                                    • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                    • Size 27KB
                                    • SHA256 9093ab5fec0c198ef30aee5fbdf1c6e52c74f27f9c2a8f0b764061d9e6c59936
                                    • MD5 SHA1 SHA512 SSDEEP TLSH