Resubmissions

11/05/2026, 02:25

260511-cwkdgsdv8k

11/05/2026, 02:23

260511-ct7e8sat3x5

Analysis

  • max time kernel
    38s
  • max time network
    25s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    11/05/2026, 02:23

General

  • Target
    bytebreaker.cc/Potassium.exe
  • Size 72.1MB
  • Sample260511-ct7e8sat3x
  • SHA256 6e288427719601b22a65b0dce0115ba4a284ebb044bbe6f461eb2c7dfc4c39ea
  • 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 3 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bytebreaker.cc\Potassium.exe
    "C:\Users\Admin\AppData\Local\Temp\bytebreaker.cc\Potassium.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:612
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument https://aka.ms/dotnet-core-applaunch?framework=Microsoft.AspNetCore.App&framework_version=8.0.0&arch=x64&rid=win-x64&os=win10&gui=true
      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:1756
      • 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,0x344,0x7ff9a893c188,0x7ff9a893c194,0x7ff9a893c1a0
        3⤵
          PID:4016
        • 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=1816,i,10986516372567804159,9946508557907244755,524288 --field-trial-handle=2184,i,17621371457088349374,12388411531981032385,262144 --variations-seed-version --mojo-platform-channel-handle=2220 /prefetch:11
          3⤵
          • System Time Discovery
          PID:3496
        • 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=1636,i,5778795141058873500,4391601566738791540,262144 --field-trial-handle=2184,i,17621371457088349374,12388411531981032385,262144 --variations-seed-version --mojo-platform-channel-handle=2180 /prefetch:2
          3⤵
            PID:3352
          • 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=2376,i,2326082415341181274,11646065062604523987,524288 --field-trial-handle=2184,i,17621371457088349374,12388411531981032385,262144 --variations-seed-version --mojo-platform-channel-handle=2544 /prefetch:13
            3⤵
              PID:5164
            • 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=3460,i,8401208512900712029,8625663809965522769,2097152 --field-trial-handle=2184,i,17621371457088349374,12388411531981032385,262144 --variations-seed-version --mojo-platform-channel-handle=3488 /prefetch:1
              3⤵
                PID:412
              • 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=3484,i,2452698252231812714,18023860360515406701,2097152 --field-trial-handle=2184,i,17621371457088349374,12388411531981032385,262144 --variations-seed-version --mojo-platform-channel-handle=3500 /prefetch:1
                3⤵
                  PID:4416
                • 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,2702775491111680015,9202377162484865224,2097152 --field-trial-handle=2184,i,17621371457088349374,12388411531981032385,262144 --variations-seed-version --mojo-platform-channel-handle=4828 /prefetch:1
                  3⤵
                    PID:3740
                  • 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=4944,i,17218588733263654889,14919917691921156178,524288 --field-trial-handle=2184,i,17621371457088349374,12388411531981032385,262144 --variations-seed-version --mojo-platform-channel-handle=3704 /prefetch:14
                    3⤵
                      PID:1768
                    • 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=4880,i,6974096266142108972,3183371748333022425,524288 --field-trial-handle=2184,i,17621371457088349374,12388411531981032385,262144 --variations-seed-version --mojo-platform-channel-handle=3772 /prefetch:14
                      3⤵
                        PID:4712
                      • 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=5840,i,17608965249558126702,9992631539731597695,524288 --field-trial-handle=2184,i,17621371457088349374,12388411531981032385,262144 --variations-seed-version --mojo-platform-channel-handle=5800 /prefetch:14
                        3⤵
                        • Suspicious use of WriteProcessMemory
                        PID:2152
                        • C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\cookie_exporter.exe
                          cookie_exporter.exe --cookie-json=1128
                          4⤵
                            PID:6100
                        • 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=5892,i,9743597118248849935,5993338149910896244,524288 --field-trial-handle=2184,i,17621371457088349374,12388411531981032385,262144 --variations-seed-version --mojo-platform-channel-handle=5908 /prefetch:14
                          3⤵
                            PID:4812
                          • 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=5892,i,9743597118248849935,5993338149910896244,524288 --field-trial-handle=2184,i,17621371457088349374,12388411531981032385,262144 --variations-seed-version --mojo-platform-channel-handle=5908 /prefetch:14
                            3⤵
                              PID:3900
                        • 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:2056
                          • 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:5308

                            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 9cf5acc3a4797f1d8e969ab1970c2330530e33f7dac25d2b42a810961a67ea68
                                  • 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 32d050c740516b6a1b5b2574533edaa0845135eb9c12d79788c89e47ba3fb0bb
                                  • 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 1f529459987f8c575025b8be4256dfc19935f61b47707f51b978fbffc2cca7f9
                                  • MD5 SHA1 SHA512 SSDEEP TLSH

                                  Secure Preferences

                                  • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Secure Preferences
                                  • Size 36KB
                                  • SHA256 b696695cf6f88e4861044fa7d49013f04de635047a04c60b7eb156cac9bbfe40
                                  • 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 7a985548b62af7bfcfaaf0de5e95e5704635b5b36e869da0f1c989bbaf65dd44
                                  • 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 27KB
                                  • SHA256 08210cea7949cedd46f502b1c032c31a5ad0bbd896596363a31e4a998310bd3a
                                  • MD5 SHA1 SHA512 SSDEEP TLSH

                                  Local State

                                  • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                  • Size 27KB
                                  • SHA256 eb34db803ad017c8dc97fab8dbeb2b5b094a96f4153a7cf1ee152d3f823a7700
                                  • MD5 SHA1 SHA512 SSDEEP TLSH

                                  Local State

                                  • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                  • Size 26KB
                                  • SHA256 9af75b1c9dd0cdc306e8eac87eff766ee577b1cee8ecae9a520795103b6d259d
                                  • MD5 SHA1 SHA512 SSDEEP TLSH

                                  Local State

                                  • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                  • Size 25KB
                                  • SHA256 7aa2939ae161914711b5173805c5d94629cdc29565688ba4ef2ed469e256fc17
                                  • MD5 SHA1 SHA512 SSDEEP TLSH