Analysis

  • user interaction
    yes
  • max time kernel
    148s
  • max time network
    142s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260617-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260617-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    23/06/2026, 06:35

General

  • Target
    activity-stream.discovery_stream.json
  • Size 76KB
  • Sample260623-hcddqabs4t
  • SHA256 16d7a4689dbaeb103f7a4b8181474c772119731e6b9cb55f8d9bdec47bc9aa95
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
6/10

Malware Config

Signatures

  • Drops desktop.ini file(s) 3 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Checks processor information in registry 2 TTPs 19 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Modifies registry class 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of FindShellTrayWindow 19 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 37 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\cmd.exe
    cmd /c C:\Users\Admin\AppData\Local\Temp\activity-stream.discovery_stream.json
    1⤵
    • Modifies registry class
    PID:1756
  • C:\Windows\system32\OpenWith.exe
    C:\Windows\system32\OpenWith.exe -Embedding
    1⤵
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3660
    • C:\Program Files\Mozilla Firefox\firefox.exe
      "C:\Program Files\Mozilla Firefox\firefox.exe" -osint -url "C:\Users\Admin\AppData\Local\Temp\activity-stream.discovery_stream.json"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3324
      • C:\Program Files\Mozilla Firefox\firefox.exe
        "C:\Program Files\Mozilla Firefox\firefox.exe" -osint -url C:\Users\Admin\AppData\Local\Temp\activity-stream.discovery_stream.json
        3⤵
        • Drops desktop.ini file(s)
        • Checks processor information in registry
        • Modifies registry class
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:5816
        • C:\Program Files\Mozilla Firefox\firefox.exe
          "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250130195129 -prefsHandle 1964 -prefsLen 27097 -prefMapHandle 1968 -prefMapSize 270279 -ipcHandle 2040 -initialChannelId {49394e83-d403-4279-9238-3d0c7ac5a1d8} -parentPid 5816 -crashReporter "\\.\pipe\gecko-crash-server-pipe.5816" -appDir "C:\Program Files\Mozilla Firefox\browser" - 1 gpu
          4⤵
            PID:5512
          • C:\Program Files\Mozilla Firefox\firefox.exe
            "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250130195129 -prefsHandle 2420 -prefsLen 27133 -prefMapHandle 2424 -prefMapSize 270279 -ipcHandle 2436 -initialChannelId {f3001da7-2497-4a06-9e03-3180806bcf2c} -parentPid 5816 -crashReporter "\\.\pipe\gecko-crash-server-pipe.5816" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 2 socket
            4⤵
              PID:1572
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 3844 -prefsLen 27323 -prefMapHandle 3848 -prefMapSize 270279 -jsInitHandle 3852 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 3860 -initialChannelId {b398705a-8b56-4ec9-aaea-fefd9de89b2a} -parentPid 5816 -crashReporter "\\.\pipe\gecko-crash-server-pipe.5816" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 3 tab
              4⤵
              • Checks processor information in registry
              PID:1680
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250130195129 -prefsHandle 4048 -prefsLen 27323 -prefMapHandle 4052 -prefMapSize 270279 -ipcHandle 4100 -initialChannelId {38a2d964-5f5f-49c8-9463-86a8a4acb405} -parentPid 5816 -crashReporter "\\.\pipe\gecko-crash-server-pipe.5816" -appDir "C:\Program Files\Mozilla Firefox\browser" - 4 rdd
              4⤵
                PID:2288
              • C:\Program Files\Mozilla Firefox\firefox.exe
                "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 4408 -prefsLen 34822 -prefMapHandle 4416 -prefMapSize 270279 -jsInitHandle 4428 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 4404 -initialChannelId {bf76758e-67d1-4000-a7a2-1998d38cb0ff} -parentPid 5816 -crashReporter "\\.\pipe\gecko-crash-server-pipe.5816" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 5 tab
                4⤵
                • Checks processor information in registry
                PID:4840
              • C:\Program Files\Mozilla Firefox\firefox.exe
                "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250130195129 -sandboxingKind 0 -prefsHandle 4952 -prefsLen 34876 -prefMapHandle 4956 -prefMapSize 270279 -ipcHandle 4856 -initialChannelId {cfb86524-3330-49bd-8e3c-0180372d8aaa} -parentPid 5816 -crashReporter "\\.\pipe\gecko-crash-server-pipe.5816" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 6 utility
                4⤵
                • Checks processor information in registry
                PID:1600
              • C:\Program Files\Mozilla Firefox\firefox.exe
                "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 5472 -prefsLen 32952 -prefMapHandle 5384 -prefMapSize 270279 -jsInitHandle 2852 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 5492 -initialChannelId {a62b78e5-198b-4011-9257-f7b19c0025ed} -parentPid 5816 -crashReporter "\\.\pipe\gecko-crash-server-pipe.5816" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 7 tab
                4⤵
                • Checks processor information in registry
                PID:1832
              • C:\Program Files\Mozilla Firefox\firefox.exe
                "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 5424 -prefsLen 32952 -prefMapHandle 5436 -prefMapSize 270279 -jsInitHandle 2636 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 5500 -initialChannelId {478a5df3-3af9-449d-b823-72550bd3d69c} -parentPid 5816 -crashReporter "\\.\pipe\gecko-crash-server-pipe.5816" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 8 tab
                4⤵
                • Checks processor information in registry
                PID:1432
              • C:\Program Files\Mozilla Firefox\firefox.exe
                "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 5448 -prefsLen 32952 -prefMapHandle 5440 -prefMapSize 270279 -jsInitHandle 5464 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 5508 -initialChannelId {e56ac1b2-5d0a-48f1-8607-0d78d99f1818} -parentPid 5816 -crashReporter "\\.\pipe\gecko-crash-server-pipe.5816" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 9 tab
                4⤵
                • Checks processor information in registry
                PID:4280

        Network

              MITRE ATT&CK Enterprise v16

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              03100235E7AEBB25C597DD91664A8F544DDFC529

              • Path C:\Users\Admin\AppData\Local\Mozilla\Firefox\Profiles\cmxtu0cq.default-release\cache2\entries\03100235E7AEBB25C597DD91664A8F544DDFC529
              • Size 13KB
              • SHA256 165d4d7aec31f927434cb53657a05ecc68a8455be1d0d8140d41246d296241ee
              • MD5 SHA1 SHA512 SSDEEP TLSH

              tmpaddon

              • Path C:\Users\Admin\AppData\Local\Temp\tmpaddon
              • Size 11KB
              • SHA256 ddf3ba4e25a622276755133e0cce5605b83719c7cab3546e09acbfed00d6a986
              • MD5 SHA1 SHA512 SSDEEP TLSH

              tmpaddon-1

              • Path C:\Users\Admin\AppData\Local\Temp\tmpaddon-1
              • Size 502KB
              • SHA256 87862f4bc8559fbe578389a9501dc01c4c585edb4bb03b238493327296d60171
              • MD5 SHA1 SHA512 SSDEEP TLSH

              data.safe.tmp

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\cmxtu0cq.default-release\datareporting\glean\db\data.safe.tmp
              • Size 47KB
              • SHA256 686ef35c91c9a1c71f86420c6dd7716296466c74113ad899590a767ca888b781
              • MD5 SHA1 SHA512 SSDEEP TLSH

              data.safe.tmp

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\cmxtu0cq.default-release\datareporting\glean\db\data.safe.tmp
              • Size 6KB
              • SHA256 872ceb3f73fa3d852584dcf00377e8dbdc0ff0b2b0bb8241230f1fe575093141
              • MD5 SHA1 SHA512 SSDEEP TLSH

              data.safe.tmp

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\cmxtu0cq.default-release\datareporting\glean\db\data.safe.tmp
              • Size 7KB
              • SHA256 7d1921ab7ea39a758ffff13ac3d3cd50cb05d7c0bb53a883ddc3b19693ed253c
              • MD5 SHA1 SHA512 SSDEEP TLSH

              data.safe.tmp

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\cmxtu0cq.default-release\datareporting\glean\db\data.safe.tmp
              • Size 47KB
              • SHA256 9eacf01331c442e2ba09e6b0b89073a14ed8d3e2ea92649c57976f2849a10ad3
              • MD5 SHA1 SHA512 SSDEEP TLSH

              data.safe.tmp

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\cmxtu0cq.default-release\datareporting\glean\db\data.safe.tmp
              • Size 47KB
              • SHA256 8e433e991873e231989016805456ea614dc0971df9b345162a7d2aa8d095f20f
              • MD5 SHA1 SHA512 SSDEEP TLSH

              events

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\cmxtu0cq.default-release\datareporting\glean\events\events
              • Size 1KB
              • SHA256 7f7613f3d7a9cb8fde5a1c484134bad61b65b8117ed7c3eacea84f502b43ee31
              • MD5 SHA1 SHA512 TLSH

              0bbe3ea1-e509-4c0e-8b22-dfef14f1e9cf

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\cmxtu0cq.default-release\datareporting\glean\pending_pings\0bbe3ea1-e509-4c0e-8b22-dfef14f1e9cf
              • Size 16KB
              • SHA256 eb8a2bf3ed141362c1843f710d5811278da6c4504e121db8366ed9745d123461
              • MD5 SHA1 SHA512 SSDEEP TLSH

              24e07f23-af9d-475b-8be4-656b722a7ece

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\cmxtu0cq.default-release\datareporting\glean\pending_pings\24e07f23-af9d-475b-8be4-656b722a7ece
              • Size 883B
              • SHA256 6b27c1e2559d96d8d2ca5ff6f389d1210e6062a37ef8b26ee6e297d46a1f1b6d
              • MD5 SHA1 SHA512 TLSH

              add3900d-b680-4149-abbf-4b1b1b955df8

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\cmxtu0cq.default-release\datareporting\glean\pending_pings\add3900d-b680-4149-abbf-4b1b1b955df8
              • Size 886B
              • SHA256 694ced07fc441e1cf9cb4bd632ce527a1dd0b824f271db0f46ea05d285fa59b8
              • MD5 SHA1 SHA512 TLSH

              c449a702-43e4-45aa-8b7d-b22ca6dae809

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\cmxtu0cq.default-release\datareporting\glean\pending_pings\c449a702-43e4-45aa-8b7d-b22ca6dae809
              • Size 235B
              • SHA256 c3207126bf2ded4260bc010c8d5faff0f9532232b749963d39b9b6826bfdd498
              • MD5 SHA1 SHA512 TLSH

              c9899e42-a2c3-4a87-a379-0ad20e6e9cb7

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\cmxtu0cq.default-release\datareporting\glean\pending_pings\c9899e42-a2c3-4a87-a379-0ad20e6e9cb7
              • Size 2KB
              • SHA256 38cb0e13e0e59db533ecb424af24a7422ea9ae7f04d035394ef5259cbcbfefd9
              • MD5 SHA1 SHA512 TLSH

              e758f275-f1ce-4b69-9b1d-5a1eec3b6f0a

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\cmxtu0cq.default-release\datareporting\glean\pending_pings\e758f275-f1ce-4b69-9b1d-5a1eec3b6f0a
              • Size 235B
              • SHA256 0738b400ff7f940612a465730308bcf0622deb2a77d19f1a4425a75c8778755e
              • MD5 SHA1 SHA512 TLSH

              extensions.json

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\cmxtu0cq.default-release\extensions.json
              • Size 16KB
              • SHA256 252aba6bdd5912c7bf1c28610c971d226626f448e2b74989cb2770af92d0a5bb
              • MD5 SHA1 SHA512 SSDEEP TLSH

              gmpopenh264.dll

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\cmxtu0cq.default-release\gmp-gmpopenh264\2.6.0\gmpopenh264.dll
              • Size 1.1MB
              • SHA256 37c005a7789747b412d6c0a6a4c30d15732da3d857b4f94b744be1a67231b651
              • MD5 SHA1 SHA512 SSDEEP TLSH

              gmpopenh264.info

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\cmxtu0cq.default-release\gmp-gmpopenh264\2.6.0\gmpopenh264.info
              • Size 116B
              • SHA256 fe7686a6281f0ab519c32c788ce0da0d01640425018dcffcfcb81105757f6fe6
              • MD5 SHA1 SHA512 TLSH

              manifest.json

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\cmxtu0cq.default-release\gmp-widevinecdm\4.10.3050.0\manifest.json
              • Size 1002B
              • SHA256 2894996540fabbd346ed4ced8386ca77d6badf60372e307ee15c906c30340d0d
              • MD5 SHA1 SHA512 TLSH

              widevinecdm.dll

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\cmxtu0cq.default-release\gmp-widevinecdm\4.10.3050.0\widevinecdm.dll
              • Size 21.6MB
              • SHA256 f1216e26ee8c27f938d7722427d29f190e569ed83d0ba16ea872cae684b97602
              • MD5 SHA1 SHA512 SSDEEP TLSH

              prefs-1.js

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\cmxtu0cq.default-release\prefs-1.js
              • Size 8KB
              • SHA256 1ed290f3319f6216231ee2e8c89567acc22754e3b02e21b4aefa635087df7f32
              • MD5 SHA1 SHA512 SSDEEP TLSH

              prefs-1.js

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\cmxtu0cq.default-release\prefs-1.js
              • Size 6KB
              • SHA256 0e83a84f07686ee32c3d86d6680273efa943acd3eea550f659c16a0b16cdc93c
              • MD5 SHA1 SHA512 SSDEEP TLSH

              prefs.js

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\cmxtu0cq.default-release\prefs.js
              • Size 6KB
              • SHA256 58a0e0bb89c3be8eb145110022dfab5558e7f413b0a1a7bcfdd346dad597d664
              • MD5 SHA1 SHA512 SSDEEP TLSH

              prefs.js

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\cmxtu0cq.default-release\prefs.js
              • Size 7KB
              • SHA256 7b3ef0c03fce3f3ecdb47120080f5f7d103553df0e04bde45f4e1d14226c575c
              • MD5 SHA1 SHA512 SSDEEP TLSH

              recovery.baklz4

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\cmxtu0cq.default-release\sessionstore-backups\recovery.baklz4
              • Size 1KB
              • SHA256 caaa135865624d86efe69623770b1611366852c3e54ff10a2e453ceb3a102b99
              • MD5 SHA1 SHA512 TLSH

              recovery.baklz4

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\cmxtu0cq.default-release\sessionstore-backups\recovery.baklz4
              • Size 1KB
              • SHA256 4339e980125250bef39b637735e68b409abd659cc2a3621a2862320ff55f9de8
              • MD5 SHA1 SHA512 TLSH

              recovery.jsonlz4

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\cmxtu0cq.default-release\sessionstore-backups\recovery.jsonlz4
              • Size 1KB
              • SHA256 8c9126496141e08e7f068362b86833a7a652370fc5563e184f28ca57b36835cf
              • MD5 SHA1 SHA512 TLSH