Analysis

  • user interaction
    yes
  • max time kernel
    148s
  • max time network
    152s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    10/09/2026, 23:26

General

  • Target
    explorer.exe
  • Size 3.2MB
  • Sample260910-3e72bsxdld
  • SHA256 c5e95f643581ffd5eda5b6bac0dea664208357037e074d65cde6d5f10bc2c083
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
6/10

Malware Config

Signatures

  • Drops desktop.ini file(s) 3 IoCs
  • Checks processor information in registry 2 TTPs 21 IoCs

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

  • Modifies registry class 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of FindShellTrayWindow 7 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 40 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:\Users\Admin\AppData\Local\Temp\explorer.exe
    "C:\Users\Admin\AppData\Local\Temp\explorer.exe"
    1⤵
    • Modifies registry class
    PID:1312
  • C:\Program Files\Mozilla Firefox\firefox.exe
    "C:\Program Files\Mozilla Firefox\firefox.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1536
    • C:\Program Files\Mozilla Firefox\firefox.exe
      "C:\Program Files\Mozilla Firefox\firefox.exe"
      2⤵
      • 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:2772
      • C:\Program Files\Mozilla Firefox\firefox.exe
        "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250130195129 -prefsHandle 1924 -prefsLen 26983 -prefMapHandle 1968 -prefMapSize 270110 -ipcHandle 2040 -initialChannelId {f37cb7fa-5b40-4948-9353-98ad9e8a674b} -parentPid 2772 -crashReporter "\\.\pipe\gecko-crash-server-pipe.2772" -appDir "C:\Program Files\Mozilla Firefox\browser" - 1 gpu
        3⤵
          PID:2216
        • C:\Program Files\Mozilla Firefox\firefox.exe
          "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250130195129 -prefsHandle 2420 -prefsLen 27019 -prefMapHandle 2424 -prefMapSize 270110 -ipcHandle 2432 -initialChannelId {5cf3a6d0-6f32-47f8-99dd-2662f33c662c} -parentPid 2772 -crashReporter "\\.\pipe\gecko-crash-server-pipe.2772" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 2 socket
          3⤵
            PID:5696
          • C:\Program Files\Mozilla Firefox\firefox.exe
            "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 3812 -prefsLen 27209 -prefMapHandle 3816 -prefMapSize 270110 -jsInitHandle 3820 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 3828 -initialChannelId {fe66c265-8155-40eb-a20e-14f48e1a4c07} -parentPid 2772 -crashReporter "\\.\pipe\gecko-crash-server-pipe.2772" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 3 tab
            3⤵
            • Checks processor information in registry
            PID:1900
          • C:\Program Files\Mozilla Firefox\firefox.exe
            "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250130195129 -prefsHandle 3976 -prefsLen 27209 -prefMapHandle 3980 -prefMapSize 270110 -ipcHandle 4072 -initialChannelId {28da74ca-f421-49a7-bb03-83dc689cd30f} -parentPid 2772 -crashReporter "\\.\pipe\gecko-crash-server-pipe.2772" -appDir "C:\Program Files\Mozilla Firefox\browser" - 4 rdd
            3⤵
              PID:4488
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 2988 -prefsLen 34696 -prefMapHandle 2904 -prefMapSize 270110 -jsInitHandle 3056 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 2756 -initialChannelId {e2c32750-5d21-4d61-8c63-29cd1a669a90} -parentPid 2772 -crashReporter "\\.\pipe\gecko-crash-server-pipe.2772" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 5 tab
              3⤵
              • Checks processor information in registry
              PID:4296
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250130195129 -sandboxingKind 0 -prefsHandle 3752 -prefsLen 34971 -prefMapHandle 5140 -prefMapSize 270110 -ipcHandle 5148 -initialChannelId {f5f88b8f-f75e-473a-9e9e-9dbd0d46f414} -parentPid 2772 -crashReporter "\\.\pipe\gecko-crash-server-pipe.2772" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 6 utility
              3⤵
              • Checks processor information in registry
              PID:2408
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 2976 -prefsLen 32928 -prefMapHandle 3056 -prefMapSize 270110 -jsInitHandle 2940 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 3372 -initialChannelId {3e23d8e4-f0cd-4cbf-b0e0-2979af221f91} -parentPid 2772 -crashReporter "\\.\pipe\gecko-crash-server-pipe.2772" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 7 tab
              3⤵
              • Checks processor information in registry
              PID:5484
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 5484 -prefsLen 32928 -prefMapHandle 5488 -prefMapSize 270110 -jsInitHandle 5492 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 5500 -initialChannelId {ae6780ab-2ab6-4096-bc96-d0b4c257d0e3} -parentPid 2772 -crashReporter "\\.\pipe\gecko-crash-server-pipe.2772" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 8 tab
              3⤵
              • Checks processor information in registry
              PID:3212
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 5808 -prefsLen 32928 -prefMapHandle 5812 -prefMapSize 270110 -jsInitHandle 5816 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 4924 -initialChannelId {81b47d20-86ab-4e96-9366-07562604dab6} -parentPid 2772 -crashReporter "\\.\pipe\gecko-crash-server-pipe.2772" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 9 tab
              3⤵
              • Checks processor information in registry
              PID:2572
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 2608 -prefsLen 33007 -prefMapHandle 3252 -prefMapSize 270110 -jsInitHandle 3256 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 2748 -initialChannelId {70081d6e-2631-4a82-9e20-44dd7afe180c} -parentPid 2772 -crashReporter "\\.\pipe\gecko-crash-server-pipe.2772" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 10 tab
              3⤵
              • Checks processor information in registry
              PID:4156

        Network

              MITRE ATT&CK Enterprise v16

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              5E43012191E7B1F510ACD5BF039D8BF1B9A277B2

              • Path C:\Users\Admin\AppData\Local\Mozilla\Firefox\Profiles\fu4ot18b.default-release\cache2\entries\5E43012191E7B1F510ACD5BF039D8BF1B9A277B2
              • Size 16KB
              • SHA256 874bb85162fd01525d06a12983f7b21f45f7e5b0f292de9f43bf39229c785816
              • MD5 SHA1 SHA512 SSDEEP TLSH

              298bc09d-3064-4ea0-bfd8-2cf111267612.zip

              • Path C:\Users\Admin\AppData\Local\Temp\298bc09d-3064-4ea0-bfd8-2cf111267612.zip
              • Size 3.8MB
              • SHA256 0f26d820b4bbdca26b02e76d6c0647153ad7e1839222f15361fd2ee9016c8e25
              • MD5 SHA1 SHA512 SSDEEP TLSH

              tmpaddon

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

              tmpaddon

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

              AlternateServices.bin

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\fu4ot18b.default-release\AlternateServices.bin
              • Size 15KB
              • SHA256 7eb1f20faa1e1a623fa15683c4ecd9c47d5ff6ce06d42ca6cecc832a5b46bc9b
              • MD5 SHA1 SHA512 SSDEEP TLSH

              AlternateServices.bin

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\fu4ot18b.default-release\AlternateServices.bin
              • Size 10KB
              • SHA256 b1a366c5a5527356a6c5119655970e337e3b9bcf443fc02025331f8c0129100a
              • MD5 SHA1 SHA512 SSDEEP TLSH

              data.safe.tmp

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\fu4ot18b.default-release\datareporting\glean\db\data.safe.tmp
              • Size 27KB
              • SHA256 60fd32aac0bb71a38a65e8348846a6f7b840260a1fd9b8f235c1397f31c7cd6a
              • MD5 SHA1 SHA512 SSDEEP TLSH

              data.safe.tmp

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\fu4ot18b.default-release\datareporting\glean\db\data.safe.tmp
              • Size 27KB
              • SHA256 a570022c90efc8adf56d048a2414be17ff30f484e5864034141d3ef83c230592
              • MD5 SHA1 SHA512 SSDEEP TLSH

              data.safe.tmp

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\fu4ot18b.default-release\datareporting\glean\db\data.safe.tmp
              • Size 68KB
              • SHA256 70b5c6c508536999cb4b7f02005271ff210b55e693ccc5cf720eba720cc5deb5
              • MD5 SHA1 SHA512 SSDEEP TLSH

              events

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\fu4ot18b.default-release\datareporting\glean\events\events
              • Size 1KB
              • SHA256 13f3013db32bd7dd95397b1f418e8460593cf7447caa9ead64dc4cd1849a86bc
              • MD5 SHA1 SHA512 TLSH

              060a8e8c-70b5-4b25-ba5f-930c2ca919a8

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\fu4ot18b.default-release\datareporting\glean\pending_pings\060a8e8c-70b5-4b25-ba5f-930c2ca919a8
              • Size 235B
              • SHA256 06c0932bd9a591bc3b115961878ec5eb0119b4b1938a5303734c3b7777586718
              • MD5 SHA1 SHA512 TLSH

              4dd29e29-2283-4b9e-916d-770f97ae1ed8

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\fu4ot18b.default-release\datareporting\glean\pending_pings\4dd29e29-2283-4b9e-916d-770f97ae1ed8
              • Size 871B
              • SHA256 6a371df2fb03a16b29b665d2c3d940d4b421ea680745a84bbdcc05a31526d7b4
              • MD5 SHA1 SHA512 TLSH

              851ea0b6-6716-438a-b2b9-4815ea644c5b

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\fu4ot18b.default-release\datareporting\glean\pending_pings\851ea0b6-6716-438a-b2b9-4815ea644c5b
              • Size 235B
              • SHA256 644045dd1c1f76baaf72864c9c1e1cec36cd1f3d647bbe0b1347720596ca1369
              • MD5 SHA1 SHA512 TLSH

              894e59ed-9374-46a7-9e9d-44319c5ca6ba

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\fu4ot18b.default-release\datareporting\glean\pending_pings\894e59ed-9374-46a7-9e9d-44319c5ca6ba
              • Size 886B
              • SHA256 a5102cd03ee4bff58e4eaa312879e3ccd5623467446e3fa338e5990f686b0ab0
              • MD5 SHA1 SHA512 TLSH

              f7f46a73-ad2a-48d7-b345-5286b23bdff6

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\fu4ot18b.default-release\datareporting\glean\pending_pings\f7f46a73-ad2a-48d7-b345-5286b23bdff6
              • Size 2KB
              • SHA256 45c21ebd0ff6d7186d013347624ecdf0c28a71aed3434ca3dd2cabf9906fb4a6
              • MD5 SHA1 SHA512 TLSH

              extensions.json

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\fu4ot18b.default-release\extensions.json
              • Size 16KB
              • SHA256 ec75ea5a11144d603c7de7c76a53fa4f5fd7cf945b2c1366b6853e5fd9888bae
              • MD5 SHA1 SHA512 SSDEEP TLSH

              gmpopenh264.dll

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\fu4ot18b.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\fu4ot18b.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\fu4ot18b.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\fu4ot18b.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\fu4ot18b.default-release\prefs-1.js
              • Size 12KB
              • SHA256 ebd4bc30a3e4e6acc720d337772510e10364d274367d6e7362a94bda195b131a
              • MD5 SHA1 SHA512 SSDEEP TLSH

              prefs-1.js

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\fu4ot18b.default-release\prefs-1.js
              • Size 6KB
              • SHA256 6c165dda326e584be72ccac8e57308c6fe16ccd61dd679b175f1e9556144cc60
              • MD5 SHA1 SHA512 SSDEEP TLSH

              prefs-1.js

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\fu4ot18b.default-release\prefs-1.js
              • Size 8KB
              • SHA256 7b1a19a86467a4b3715205ac3fdc91dc0afaf381da9390f14b6629be5c20bbac
              • MD5 SHA1 SHA512 SSDEEP TLSH

              prefs.js

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\fu4ot18b.default-release\prefs.js
              • Size 6KB
              • SHA256 7e9081500b5cb83d0df6bce11deaffaf0eab033ef6405f18bc4f168f10dab219
              • MD5 SHA1 SHA512 SSDEEP TLSH

              prefs.js

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\fu4ot18b.default-release\prefs.js
              • Size 6KB
              • SHA256 8ed6884c3bd9838a9cc07399876fb25a18f86c11157c148673879db87e1ccedd
              • MD5 SHA1 SHA512 SSDEEP TLSH

              recovery.baklz4

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\fu4ot18b.default-release\sessionstore-backups\recovery.baklz4
              • Size 968B
              • SHA256 7e996e1b54ebf62dc73c077b2a0e4a2b60d916762f864e5fe55231a5a9d4e745
              • MD5 SHA1 SHA512 TLSH

              recovery.baklz4

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\fu4ot18b.default-release\sessionstore-backups\recovery.baklz4
              • Size 5KB
              • SHA256 a80bab9957b995e23999c9dc414912ab52a588ecb6d1e0d66faece17e1353464
              • MD5 SHA1 SHA512 SSDEEP TLSH

              recovery.jsonlz4

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\fu4ot18b.default-release\sessionstore-backups\recovery.jsonlz4
              • Size 5KB
              • SHA256 467dbf20378679a74e46dddc69aca683cb04d9fed65681308fb1794e9924f5d7
              • MD5 SHA1 SHA512 SSDEEP TLSH

              3870112724rsegmnoittet-es.sqlite

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\fu4ot18b.default-release\storage\permanent\chrome\idb\3870112724rsegmnoittet-es.sqlite
              • Size 7.3MB
              • SHA256 dff8b93876734bb7533d226b0d3067060dc9acdac4af43ff981e9c3c0bdec3cb
              • MD5 SHA1 SHA512 SSDEEP TLSH

              3870112724rsegmnoittet-es.sqlite

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\fu4ot18b.default-release\storage\permanent\chrome\idb\3870112724rsegmnoittet-es.sqlite
              • Size 7.3MB
              • SHA256 da589dfcbcb3d5b321851883737461377542f941980c2dd68accdadfc07538c1
              • MD5 SHA1 SHA512 SSDEEP TLSH