Analysis

  • user interaction
    yes
  • max time kernel
    32s
  • max time network
    34s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    27/04/2026, 11:30

General

  • Target
    Rnh2Y2O.exe
  • Size 165.6MB
  • Sample260427-nmemesh13x
  • SHA256 85996386ca1b220ff15396821783277dda1332084d86b6c799cc1c6501467d9f
  • 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 3 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 5 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 31 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Rnh2Y2O.exe
    "C:\Users\Admin\AppData\Local\Temp\Rnh2Y2O.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4832
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument http://go.microsoft.com/fwlink/?prd=11324&pver=4.5&sbp=AppLaunch2&plcid=0x409&o1=SHIM_NOVERSION_FOUND&version=(null)&processName=Rnh2Y2O.exe&platform=0009&osver=6&isServer=0&shimver=4.0.30319.0
      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:4732
      • 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,0x34c,0x7ffd3461c188,0x7ffd3461c194,0x7ffd3461c1a0
        3⤵
          PID:5384
        • 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=1788,i,4351481458382302680,3222330331570110812,524288 --field-trial-handle=2084,i,6004990349448197339,13173389877725718233,262144 --variations-seed-version --mojo-platform-channel-handle=2120 /prefetch:11
          3⤵
          • System Time Discovery
          PID:5448
        • 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=1572,i,14449318744693316446,10439002983429977745,262144 --field-trial-handle=2084,i,6004990349448197339,13173389877725718233,262144 --variations-seed-version --mojo-platform-channel-handle=2080 /prefetch:2
          3⤵
            PID:4828
          • 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=2596,i,11802604246187591756,14243667485104562046,524288 --field-trial-handle=2084,i,6004990349448197339,13173389877725718233,262144 --variations-seed-version --mojo-platform-channel-handle=2512 /prefetch:13
            3⤵
              PID:648
            • 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=3484,i,7138849917363186126,2604059173087737879,2097152 --field-trial-handle=2084,i,6004990349448197339,13173389877725718233,262144 --variations-seed-version --mojo-platform-channel-handle=3536 /prefetch:1
              3⤵
                PID:1708
              • 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=3488,i,17113390981488915163,4355128725939355074,2097152 --field-trial-handle=2084,i,6004990349448197339,13173389877725718233,262144 --variations-seed-version --mojo-platform-channel-handle=3544 /prefetch:1
                3⤵
                  PID:4468
                • 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=4844,i,11441977124051545245,16748540457311981950,2097152 --field-trial-handle=2084,i,6004990349448197339,13173389877725718233,262144 --variations-seed-version --mojo-platform-channel-handle=4872 /prefetch:1
                  3⤵
                    PID:5932
                  • 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=3780,i,7493877102033786627,4171613167625251859,2097152 --field-trial-handle=2084,i,6004990349448197339,13173389877725718233,262144 --variations-seed-version --mojo-platform-channel-handle=3744 /prefetch:1
                    3⤵
                      PID:3808
                    • 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=9 --always-read-main-dll --metrics-shmem-handle=5124,i,15590249587263312318,4761295930436023661,2097152 --field-trial-handle=2084,i,6004990349448197339,13173389877725718233,262144 --variations-seed-version --mojo-platform-channel-handle=5152 /prefetch:1
                      3⤵
                        PID:752
                      • 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=4948,i,9351588725014680312,4516273416215536477,524288 --field-trial-handle=2084,i,6004990349448197339,13173389877725718233,262144 --variations-seed-version --mojo-platform-channel-handle=4844 /prefetch:14
                        3⤵
                          PID:4624
                        • 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=4952,i,3629402616430494582,10105090845937966951,524288 --field-trial-handle=2084,i,6004990349448197339,13173389877725718233,262144 --variations-seed-version --mojo-platform-channel-handle=4916 /prefetch:14
                          3⤵
                            PID:6112
                          • 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=6152,i,2790009299660706344,4205033169528355253,524288 --field-trial-handle=2084,i,6004990349448197339,13173389877725718233,262144 --variations-seed-version --mojo-platform-channel-handle=6156 /prefetch:14
                            3⤵
                            • Suspicious use of WriteProcessMemory
                            PID:4276
                            • C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\cookie_exporter.exe
                              cookie_exporter.exe --cookie-json=1128
                              4⤵
                                PID:1728
                            • 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=6164,i,4530739484146998264,17823642360796186287,524288 --field-trial-handle=2084,i,6004990349448197339,13173389877725718233,262144 --variations-seed-version --mojo-platform-channel-handle=6180 /prefetch:14
                              3⤵
                                PID:5060
                              • 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=6164,i,4530739484146998264,17823642360796186287,524288 --field-trial-handle=2084,i,6004990349448197339,13173389877725718233,262144 --variations-seed-version --mojo-platform-channel-handle=6180 /prefetch:14
                                3⤵
                                  PID:464
                              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument http://go.microsoft.com/fwlink/?prd=11324&pver=4.5&sbp=AppLaunch2&plcid=0x409&o1=SHIM_NOVERSION_FOUND&version=(null)&processName=Rnh2Y2O.exe&platform=0009&osver=6&isServer=0&shimver=4.0.30319.0
                                2⤵
                                  PID:4396
                              • 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:5176
                                • 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:3652

                                  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 2172811336537a33607e0aadb9c5ba8cadf28b2a4fcb84d32213c685b1c34544
                                        • MD5 SHA1 SHA512 TLSH

                                        settings.dat

                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
                                        • Size 280B
                                        • SHA256 1eac715bceeccb15cc45a13a9b914a80ac00eeb9f178f8c94511c17b32720b1a
                                        • 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 75f79e6de0dfc0e1b814a2bdaf840060d2bdb1e1ccc8dc5ee212c47b63e1a9f7
                                        • 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 abd90e3943fd32ee1db3f00c3676a81ae56d0a209cd3d74d6b3ff23308a6fca4
                                        • MD5 SHA1 SHA512 SSDEEP TLSH

                                        Preferences

                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences
                                        • Size 16KB
                                        • SHA256 b9bb9e8d910b8c005f702c0932e4c71db5910500f6d265d85b32e043e11e3173
                                        • MD5 SHA1 SHA512 SSDEEP TLSH

                                        Secure Preferences

                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Secure Preferences
                                        • Size 37KB
                                        • SHA256 86657f58a75b0aa726a51e029430abf48441b60cf9a0435eef9a0e0054ca032c
                                        • MD5 SHA1 SHA512 SSDEEP TLSH

                                        Secure Preferences

                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Secure Preferences
                                        • Size 36KB
                                        • SHA256 1b85d19d22f8091ace871401f45f188dfd2769dccb2e8836c291c226e757fc5f
                                        • 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 26KB
                                        • SHA256 5da26c265bfb43022b4989b50c1c0765788ad38faa4268c203d471d054b576d7
                                        • 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 25KB
                                        • SHA256 5f40c157b51b892e7c4e79c261b7fa939a28ad72709fa481d8c9a69ee02075d7
                                        • MD5 SHA1 SHA512 SSDEEP TLSH

                                        Local State

                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                        • Size 27KB
                                        • SHA256 53df551d3d98a38be9ae0c5a47f593d21a219bfc5df9d900b0ad03104d7a2152
                                        • MD5 SHA1 SHA512 SSDEEP TLSH

                                        Local State

                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                        • Size 26KB
                                        • SHA256 a7a7a0fd4b2cbed8900f6272914229187a7631dd207e9089759a05c59964c053
                                        • MD5 SHA1 SHA512 SSDEEP TLSH

                                        Local State

                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                        • Size 27KB
                                        • SHA256 1cde119d167bf24e1556453759ca22cfe9123a2eed9ae5a6181b668a27d7d42d
                                        • MD5 SHA1 SHA512 SSDEEP TLSH

                                        memory/464-298-0x0000026E95540000-0x0000026E95616000-memory.dmp

                                        memory/1728-173-0x00000142BD6A0000-0x00000142BD78A000-memory.dmp

                                        memory/1728-168-0x00000142BB800000-0x00000142BBBBB000-memory.dmp

                                        memory/4832-50-0x00000206C85B0000-0x00000206C8686000-memory.dmp

                                        memory/4832-90-0x00000206C85B0000-0x00000206C8686000-memory.dmp

                                        memory/5176-33-0x000001A694F10000-0x000001A6950BC000-memory.dmp