Analysis

  • user interaction
    yes
  • max time kernel
    63s
  • max time network
    69s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260911-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    28/09/2026, 04:33

General

  • Target
    FSD.exe
  • Size 506KB
  • Sample260928-e6hczsvcpg
  • SHA256 29ddc4b15ec70f69d733b17cb47b90f9961c279de0772ea69916760b41f750ca
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
1/10

Malware Config

Signatures

  • Checks processor information in registry 2 TTPs 24 IoCs

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

  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 6 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 48 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\FSD.exe
    "C:\Users\Admin\AppData\Local\Temp\FSD.exe"
    1⤵
      PID:5020
    • C:\Program Files\Mozilla Firefox\firefox.exe
      "C:\Program Files\Mozilla Firefox\firefox.exe"
      1⤵
      • Suspicious use of WriteProcessMemory
      PID:3976
      • C:\Program Files\Mozilla Firefox\firefox.exe
        "C:\Program Files\Mozilla Firefox\firefox.exe"
        2⤵
        • Checks processor information in registry
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:3480
        • C:\Program Files\Mozilla Firefox\firefox.exe
          "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250130195129 -prefsHandle 2004 -prefsLen 27099 -prefMapHandle 2008 -prefMapSize 270279 -ipcHandle 2084 -initialChannelId {f74ef56e-d7a6-4864-afd6-ccd5d896075f} -parentPid 3480 -crashReporter "\\.\pipe\gecko-crash-server-pipe.3480" -appDir "C:\Program Files\Mozilla Firefox\browser" - 1 gpu
          3⤵
            PID:4836
          • C:\Program Files\Mozilla Firefox\firefox.exe
            "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250130195129 -prefsHandle 2464 -prefsLen 27135 -prefMapHandle 2468 -prefMapSize 270279 -ipcHandle 2476 -initialChannelId {97c4d9f6-ad4b-4d81-a5a5-84c760d3b782} -parentPid 3480 -crashReporter "\\.\pipe\gecko-crash-server-pipe.3480" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 2 socket
            3⤵
              PID:3536
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 3444 -prefsLen 27276 -prefMapHandle 3448 -prefMapSize 270279 -jsInitHandle 3452 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 3460 -initialChannelId {9b54d8d6-d5c3-4a4f-a34d-7f84730e250e} -parentPid 3480 -crashReporter "\\.\pipe\gecko-crash-server-pipe.3480" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 3 tab
              3⤵
              • Checks processor information in registry
              PID:3692
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250130195129 -prefsHandle 3612 -prefsLen 27276 -prefMapHandle 3616 -prefMapSize 270279 -ipcHandle 3632 -initialChannelId {b608c249-4742-4eff-8ef4-e3f3acb99ccc} -parentPid 3480 -crashReporter "\\.\pipe\gecko-crash-server-pipe.3480" -appDir "C:\Program Files\Mozilla Firefox\browser" - 4 rdd
              3⤵
                PID:4580
              • C:\Program Files\Mozilla Firefox\firefox.exe
                "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 4368 -prefsLen 34775 -prefMapHandle 4372 -prefMapSize 270279 -jsInitHandle 4376 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 1260 -initialChannelId {f3be85e3-449d-4900-988b-da5218a0391a} -parentPid 3480 -crashReporter "\\.\pipe\gecko-crash-server-pipe.3480" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 5 tab
                3⤵
                • Checks processor information in registry
                PID:5100
              • C:\Program Files\Mozilla Firefox\firefox.exe
                "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250130195129 -sandboxingKind 0 -prefsHandle 4864 -prefsLen 35012 -prefMapHandle 4812 -prefMapSize 270279 -ipcHandle 2848 -initialChannelId {3da27428-791a-4208-929c-96acf67d376f} -parentPid 3480 -crashReporter "\\.\pipe\gecko-crash-server-pipe.3480" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 6 utility
                3⤵
                • Checks processor information in registry
                PID:5808
              • C:\Program Files\Mozilla Firefox\firefox.exe
                "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 5020 -prefsLen 32900 -prefMapHandle 5024 -prefMapSize 270279 -jsInitHandle 5028 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 5036 -initialChannelId {3522fa7b-f7ac-4215-92a3-52c26ed7ef6c} -parentPid 3480 -crashReporter "\\.\pipe\gecko-crash-server-pipe.3480" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 7 tab
                3⤵
                • Checks processor information in registry
                PID:5860
              • C:\Program Files\Mozilla Firefox\firefox.exe
                "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 5280 -prefsLen 32900 -prefMapHandle 5284 -prefMapSize 270279 -jsInitHandle 5288 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 5296 -initialChannelId {81feb458-3282-4454-a620-186779126815} -parentPid 3480 -crashReporter "\\.\pipe\gecko-crash-server-pipe.3480" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 8 tab
                3⤵
                • Checks processor information in registry
                PID:5876
              • C:\Program Files\Mozilla Firefox\firefox.exe
                "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 5508 -prefsLen 32952 -prefMapHandle 5512 -prefMapSize 270279 -jsInitHandle 5516 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 5524 -initialChannelId {bd2fb3cf-cdf1-4e2f-98ee-ea387fb1c826} -parentPid 3480 -crashReporter "\\.\pipe\gecko-crash-server-pipe.3480" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 9 tab
                3⤵
                • Checks processor information in registry
                PID:5884
              • C:\Program Files\Mozilla Firefox\firefox.exe
                "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 5024 -prefsLen 33071 -prefMapHandle 6148 -prefMapSize 270279 -jsInitHandle 6152 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 6160 -initialChannelId {26480e6c-9466-4ea8-8e92-873301dbbdd8} -parentPid 3480 -crashReporter "\\.\pipe\gecko-crash-server-pipe.3480" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 10 tab
                3⤵
                • Checks processor information in registry
                PID:5840
              • C:\Program Files\Mozilla Firefox\firefox.exe
                "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250130195129 -sandboxingKind 1 -prefsHandle 6592 -prefsLen 35183 -prefMapHandle 6596 -prefMapSize 270279 -ipcHandle 6604 -initialChannelId {39e532f4-2c7e-4abe-86d0-62f8008f42fb} -parentPid 3480 -crashReporter "\\.\pipe\gecko-crash-server-pipe.3480" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 11 utility
                3⤵
                • Checks processor information in registry
                PID:4336
              • C:\Program Files\Mozilla Firefox\firefox.exe
                "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 6588 -prefsLen 33071 -prefMapHandle 6732 -prefMapSize 270279 -jsInitHandle 6508 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 6536 -initialChannelId {8f6ee4a5-4b4a-4ce8-b4d8-ca2b63c70824} -parentPid 3480 -crashReporter "\\.\pipe\gecko-crash-server-pipe.3480" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 12 tab
                3⤵
                • Checks processor information in registry
                PID:5012

          Network

                MITRE ATT&CK Enterprise v16

                Replay Monitor

                Loading Replay Monitor...

                Downloads

                AABAB860D2646FDCEACF8AAC0CD412654CE5E4C0

                • Path C:\Users\Admin\AppData\Local\Mozilla\Firefox\Profiles\bg4lcjz5.default-release\cache2\entries\AABAB860D2646FDCEACF8AAC0CD412654CE5E4C0
                • Size 16KB
                • SHA256 cffafafde1fffb5794d66dde64840b549461122501c7cd7f5853bd7ea6900666
                • MD5 SHA1 SHA512 SSDEEP TLSH

                tmpaddon

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

                tmpaddon

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

                AlternateServices.bin

                • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\bg4lcjz5.default-release\AlternateServices.bin
                • Size 10KB
                • SHA256 a6d02605f753bfab1a987c981421e5926ca821a68b7cd5e95e3f43e8856c1d54
                • MD5 SHA1 SHA512 SSDEEP TLSH

                data.safe.tmp

                • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\bg4lcjz5.default-release\datareporting\glean\db\data.safe.tmp
                • Size 6KB
                • SHA256 190a59d4383cd361c099aaed1b47b004a92d5019fa36791c63e384bcde46f97f
                • MD5 SHA1 SHA512 SSDEEP TLSH

                data.safe.tmp

                • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\bg4lcjz5.default-release\datareporting\glean\db\data.safe.tmp
                • Size 7KB
                • SHA256 0aff575516bf33bb8d5b5f17f2a6ce263ef43e680f7bfef9e3bed8f1491e4964
                • MD5 SHA1 SHA512 SSDEEP TLSH

                data.safe.tmp

                • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\bg4lcjz5.default-release\datareporting\glean\db\data.safe.tmp
                • Size 3KB
                • SHA256 85ac910ab160f6b7510ed537b02f7de32c48165d7aff8099b2d9a754f8852d36
                • MD5 SHA1 SHA512 TLSH

                events

                • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\bg4lcjz5.default-release\datareporting\glean\events\events
                • Size 1KB
                • SHA256 937aa0637ec687fcb8f8c299d2f799d5917e1f61a1be348c7608e020a925b1fe
                • MD5 SHA1 SHA512 TLSH

                events

                • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\bg4lcjz5.default-release\datareporting\glean\events\events
                • Size 4KB
                • SHA256 5b53f8b0b190723f0017e64543c3870c35789c955ba2bedaa336bbe4e7521f64
                • MD5 SHA1 SHA512 SSDEEP TLSH

                19358015-46e7-4502-9103-b23b10118181

                • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\bg4lcjz5.default-release\datareporting\glean\pending_pings\19358015-46e7-4502-9103-b23b10118181
                • Size 16KB
                • SHA256 c4e5cc8a3a7d1579a7fa787baeda978abc472447de2aefdcf2c1fe09aeb30046
                • MD5 SHA1 SHA512 SSDEEP TLSH

                42898102-7d69-4469-8459-87fe1a124a6a

                • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\bg4lcjz5.default-release\datareporting\glean\pending_pings\42898102-7d69-4469-8459-87fe1a124a6a
                • Size 235B
                • SHA256 7c509ac8863065b20a22d38a23de25d2fa4f89f315bf143102bf33342c191f33
                • MD5 SHA1 SHA512 TLSH

                519d7d29-6e14-44aa-bd22-ff56e6015ad1

                • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\bg4lcjz5.default-release\datareporting\glean\pending_pings\519d7d29-6e14-44aa-bd22-ff56e6015ad1
                • Size 886B
                • SHA256 61045f46efafdb9299fe253a501639541e2499227ab37314dadda7b80356ce60
                • MD5 SHA1 SHA512 TLSH

                5f2f0fd5-a7a9-45ea-a2b3-def04bf8638f

                • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\bg4lcjz5.default-release\datareporting\glean\pending_pings\5f2f0fd5-a7a9-45ea-a2b3-def04bf8638f
                • Size 883B
                • SHA256 0273485178fdc170cca32850ba1dc232426c8231972c84c9561e679e6a0bae7d
                • MD5 SHA1 SHA512 TLSH

                8447f1e4-c37d-4c65-9f68-c213560196dc

                • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\bg4lcjz5.default-release\datareporting\glean\pending_pings\8447f1e4-c37d-4c65-9f68-c213560196dc
                • Size 235B
                • SHA256 adecbeb858ea750b55a570dac7cf37a0b48d776bddee5f8d4b7d9a2a9f075754
                • MD5 SHA1 SHA512 TLSH

                fd18e4ca-c01e-43bd-90b4-42b23ff63051

                • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\bg4lcjz5.default-release\datareporting\glean\pending_pings\fd18e4ca-c01e-43bd-90b4-42b23ff63051
                • Size 2KB
                • SHA256 8875967c157ab4e5ca6222c38a9be759d44bb2a940fc85fb75a526fa6e94d676
                • MD5 SHA1 SHA512 TLSH

                extensions.json

                • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\bg4lcjz5.default-release\extensions.json
                • Size 16KB
                • SHA256 047a39fc6598bf0c03b4a8dccae89a82ca540c1bdcf6c659c2b2a276930cc3fc
                • MD5 SHA1 SHA512 SSDEEP TLSH

                gmpopenh264.dll

                • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\bg4lcjz5.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\bg4lcjz5.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\bg4lcjz5.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\bg4lcjz5.default-release\gmp-widevinecdm\4.10.3050.0\widevinecdm.dll
                • Size 214KB
                • SHA256 062875945aab322b6a872cc5e306570ccd4fa2bac6f539d6b81bf08659902387
                • MD5 SHA1 SHA512 SSDEEP TLSH

                prefs-1.js

                • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\bg4lcjz5.default-release\prefs-1.js
                • Size 7KB
                • SHA256 a94cf83b72cbe3589e363dda0c478e07144d0c8d16d1402a6c14a6a006fe2075
                • MD5 SHA1 SHA512 SSDEEP TLSH

                prefs-1.js

                • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\bg4lcjz5.default-release\prefs-1.js
                • Size 6KB
                • SHA256 92ffcfeaa12c83b15f291d1d505c6b43371d0bb380cb5f557bd43e83de2aedbf
                • MD5 SHA1 SHA512 SSDEEP TLSH

                prefs-1.js

                • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\bg4lcjz5.default-release\prefs-1.js
                • Size 7KB
                • SHA256 0648994528656986e6005e633005a5f81edb1676c05373a8e0c918b219342869
                • MD5 SHA1 SHA512 SSDEEP TLSH

                prefs-1.js

                • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\bg4lcjz5.default-release\prefs-1.js
                • Size 6KB
                • SHA256 5b67acd9d51666eae880ce73c8ab283b2fb2fe6f23aa03f6ff971f8f5641a2f2
                • MD5 SHA1 SHA512 SSDEEP TLSH

                prefs.js

                • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\bg4lcjz5.default-release\prefs.js
                • Size 6KB
                • SHA256 6c1c19f8f26ec2e510eb55a7851a817030a8a09139ef227a2d7fa5d82e107639
                • MD5 SHA1 SHA512 SSDEEP TLSH

                recovery.baklz4

                • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\bg4lcjz5.default-release\sessionstore-backups\recovery.baklz4
                • Size 2KB
                • SHA256 721efad9a1f27dc5df7c1c695e0dd8ad038b2d5a570bf2a71dda45414fc3b4fa
                • MD5 SHA1 SHA512 TLSH

                3870112724rsegmnoittet-es.sqlite

                • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\bg4lcjz5.default-release\storage\permanent\chrome\idb\3870112724rsegmnoittet-es.sqlite
                • Size 5.5MB
                • SHA256 603ca649a92b7757680594d084c904bcf2772e4544e1aa69440257a1e109ee4f
                • MD5 SHA1 SHA512 SSDEEP TLSH

                3870112724rsegmnoittet-es.sqlite

                • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\bg4lcjz5.default-release\storage\permanent\chrome\idb\3870112724rsegmnoittet-es.sqlite
                • Size 6.2MB
                • SHA256 bc5ae89e5024913f6920c4f7a520d123a8eab8cc3f9ca8c9dcf67b4b48110ef9
                • MD5 SHA1 SHA512 SSDEEP TLSH

                3870112724rsegmnoittet-es.sqlite

                • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\bg4lcjz5.default-release\storage\permanent\chrome\idb\3870112724rsegmnoittet-es.sqlite
                • Size 1.3MB
                • SHA256 44dc0fef02dd9505bb65e0a4c4010dec126c67e3da738e9cd1d0d1b1a21651ab
                • MD5 SHA1 SHA512 SSDEEP TLSH