Analysis

  • user interaction
    yes
  • max time kernel
    148s
  • max time network
    140s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260911-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    30/09/2026, 18:19

General

  • Target
    XWorm.sln
  • Size 1KB
  • Sample260930-wyncpsvv5l
  • SHA256 ca9379e72b62ba26bf8827cc14e282e457909d65fc6feea0b2396a1be83ec7f1
  • MD5 SHA1 SHA512 TLSH

Malware Config

Signatures

  • Enumerates physical storage devices 1 TTPs

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

  • Executes a command shell one-liner 1 TTPs 1 IoCs

    Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

  • Checks processor information in registry 2 TTPs 22 IoCs

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

  • Modifies registry class 10 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 5 IoCs
  • Suspicious use of SetWindowsHookEx 50 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\XWorm.sln
    1⤵
    • Executes a command shell one-liner
    • Modifies registry class
    PID:5764
  • C:\Windows\system32\OpenWith.exe
    C:\Windows\system32\OpenWith.exe -Embedding
    1⤵
    • Modifies registry class
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:540
    • C:\Program Files\Mozilla Firefox\firefox.exe
      "C:\Program Files\Mozilla Firefox\firefox.exe" -osint -url "C:\Users\Admin\AppData\Local\Temp\XWorm.sln"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4232
      • C:\Program Files\Mozilla Firefox\firefox.exe
        "C:\Program Files\Mozilla Firefox\firefox.exe" -osint -url C:\Users\Admin\AppData\Local\Temp\XWorm.sln
        3⤵
        • 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:4992
        • C:\Program Files\Mozilla Firefox\firefox.exe
          "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250130195129 -prefsHandle 2008 -prefsLen 27099 -prefMapHandle 2012 -prefMapSize 270279 -ipcHandle 2088 -initialChannelId {c6d5893c-a8cb-491a-8f1d-3930f42e984a} -parentPid 4992 -crashReporter "\\.\pipe\gecko-crash-server-pipe.4992" -appDir "C:\Program Files\Mozilla Firefox\browser" - 1 gpu
          4⤵
            PID:920
          • C:\Program Files\Mozilla Firefox\firefox.exe
            "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250130195129 -prefsHandle 2500 -prefsLen 27135 -prefMapHandle 2504 -prefMapSize 270279 -ipcHandle 2516 -initialChannelId {a26532ae-b7c8-4f8e-9fa4-6721981710e9} -parentPid 4992 -crashReporter "\\.\pipe\gecko-crash-server-pipe.4992" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 2 socket
            4⤵
            • Checks processor information in registry
            PID:1928
          • C:\Program Files\Mozilla Firefox\firefox.exe
            "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 3536 -prefsLen 27325 -prefMapHandle 3540 -prefMapSize 270279 -jsInitHandle 3544 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 3552 -initialChannelId {c44bd1f5-f7fc-4e31-a7da-5dc07f1c2b67} -parentPid 4992 -crashReporter "\\.\pipe\gecko-crash-server-pipe.4992" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 3 tab
            4⤵
            • Checks processor information in registry
            PID:3364
          • C:\Program Files\Mozilla Firefox\firefox.exe
            "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250130195129 -prefsHandle 3696 -prefsLen 27325 -prefMapHandle 3700 -prefMapSize 270279 -ipcHandle 3768 -initialChannelId {de06f33b-6bad-4dcc-a67f-6b18a4cde3ea} -parentPid 4992 -crashReporter "\\.\pipe\gecko-crash-server-pipe.4992" -appDir "C:\Program Files\Mozilla Firefox\browser" - 4 rdd
            4⤵
              PID:4720
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 4260 -prefsLen 34824 -prefMapHandle 4264 -prefMapSize 270279 -jsInitHandle 4268 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 4272 -initialChannelId {93f5b8a7-588f-4231-9ef3-839ee7255bdf} -parentPid 4992 -crashReporter "\\.\pipe\gecko-crash-server-pipe.4992" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 5 tab
              4⤵
              • Checks processor information in registry
              PID:2164
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250130195129 -sandboxingKind 0 -prefsHandle 4916 -prefsLen 35012 -prefMapHandle 4912 -prefMapSize 270279 -ipcHandle 4900 -initialChannelId {b3d2d67c-b5e9-450d-9361-d08d0fa195f4} -parentPid 4992 -crashReporter "\\.\pipe\gecko-crash-server-pipe.4992" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 6 utility
              4⤵
              • Checks processor information in registry
              PID:388
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 4932 -prefsLen 32952 -prefMapHandle 5072 -prefMapSize 270279 -jsInitHandle 5076 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 5084 -initialChannelId {4710e546-0b9b-434f-95f4-248a064d0505} -parentPid 4992 -crashReporter "\\.\pipe\gecko-crash-server-pipe.4992" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 7 tab
              4⤵
              • Checks processor information in registry
              PID:616
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 5284 -prefsLen 32952 -prefMapHandle 5288 -prefMapSize 270279 -jsInitHandle 5292 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 5296 -initialChannelId {3b2e6881-363b-45f4-ae14-32cdf73e4f87} -parentPid 4992 -crashReporter "\\.\pipe\gecko-crash-server-pipe.4992" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 8 tab
              4⤵
              • Checks processor information in registry
              PID:4736
            • 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 5520 -initialChannelId {c2bfe369-5de1-49e7-9e80-91acd8d27f45} -parentPid 4992 -crashReporter "\\.\pipe\gecko-crash-server-pipe.4992" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 9 tab
              4⤵
              • Checks processor information in registry
              PID:5764

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

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            Downloads

            data.safe.tmp

            • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\0inymrgq.default-release\datareporting\glean\db\data.safe.tmp
            • Size 7KB
            • SHA256 c6f03953cc33a8f5dac6aac02c2c31c5a52e96c3bd2cf6953616a97583f85559
            • MD5 SHA1 SHA512 SSDEEP TLSH

            data.safe.tmp

            • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\0inymrgq.default-release\datareporting\glean\db\data.safe.tmp
            • Size 6KB
            • SHA256 0067f838a5917a909f086d6cdafad5b5f71bf2f93ffb714894fd42290673d65a
            • MD5 SHA1 SHA512 SSDEEP TLSH

            data.safe.tmp

            • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\0inymrgq.default-release\datareporting\glean\db\data.safe.tmp
            • Size 6KB
            • SHA256 dba373c91d85c76f64652072e8755352592d41e8edbc3db4dd16d29c01ae08d5
            • MD5 SHA1 SHA512 SSDEEP TLSH

            data.safe.tmp

            • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\0inymrgq.default-release\datareporting\glean\db\data.safe.tmp
            • Size 7KB
            • SHA256 ef03a54d8e8be835b3e6bedd3e624024b849db3715199329c58b10a8c5497dd7
            • MD5 SHA1 SHA512 SSDEEP TLSH

            data.safe.tmp

            • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\0inymrgq.default-release\datareporting\glean\db\data.safe.tmp
            • Size 4KB
            • SHA256 2b0b613ba57fe9d3d9c1d4fbab77b2366676b9da3094308ca4aecc9597391caa
            • MD5 SHA1 SHA512 SSDEEP TLSH

            4a916767-e8b5-4a02-b97b-ac36418b2e19

            • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\0inymrgq.default-release\datareporting\glean\pending_pings\4a916767-e8b5-4a02-b97b-ac36418b2e19
            • Size 886B
            • SHA256 665f58be4818a8c00faf5c93a8bbc3a74a810b682b38d633167f5da23e784acd
            • MD5 SHA1 SHA512 TLSH

            604b7ec2-ea7c-4ccf-9539-533f7e51d734

            • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\0inymrgq.default-release\datareporting\glean\pending_pings\604b7ec2-ea7c-4ccf-9539-533f7e51d734
            • Size 235B
            • SHA256 423d4c5fc68bf1d4dda8a3be81af8d54e613224755f087bb2ded3172c2274897
            • MD5 SHA1 SHA512 TLSH

            7ee4218c-b399-4044-b556-0a0010037719

            • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\0inymrgq.default-release\datareporting\glean\pending_pings\7ee4218c-b399-4044-b556-0a0010037719
            • Size 883B
            • SHA256 db513e3674bcf94602383f2fa5a5a0abfefae33604892c5aa852b97c58578963
            • MD5 SHA1 SHA512 TLSH

            9c5c79f4-fff5-42dc-a996-2c302c68ba28

            • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\0inymrgq.default-release\datareporting\glean\pending_pings\9c5c79f4-fff5-42dc-a996-2c302c68ba28
            • Size 734B
            • SHA256 adb476f5040ba13925a594811994b250bd3ed8f29493a8eebb92943eafd5b64f
            • MD5 SHA1 SHA512 TLSH

            bb452fb9-361a-4619-8169-61cd0d8011ad

            • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\0inymrgq.default-release\datareporting\glean\pending_pings\bb452fb9-361a-4619-8169-61cd0d8011ad
            • Size 15KB
            • SHA256 4844179082f2233fbdcc26d7f358a750157ad5221a9d0e46097bcba196b06b55
            • MD5 SHA1 SHA512 SSDEEP TLSH

            c26f9719-9e4e-4248-a80c-491f248256df

            • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\0inymrgq.default-release\datareporting\glean\pending_pings\c26f9719-9e4e-4248-a80c-491f248256df
            • Size 235B
            • SHA256 0a0ef09a7103a6e334ee044b508de305c9d322947eddd61d2353f33695b3b29b
            • MD5 SHA1 SHA512 TLSH

            deea8ca5-7690-4268-9513-45f15689223b

            • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\0inymrgq.default-release\datareporting\glean\pending_pings\deea8ca5-7690-4268-9513-45f15689223b
            • Size 2KB
            • SHA256 361e295c4cac07f277cad8e3751851fe628b7d41f3df22b8b53afe7dc1065bb6
            • MD5 SHA1 SHA512 TLSH

            prefs-1.js

            • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\0inymrgq.default-release\prefs-1.js
            • Size 6KB
            • SHA256 0a55f681e0577796d28baed2491aa2378ce7cb45d3e42dfba16647ca42e19fcb
            • MD5 SHA1 SHA512 SSDEEP TLSH

            prefs.js

            • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\0inymrgq.default-release\prefs.js
            • Size 6KB
            • SHA256 356902da19b79d10043ee05019472dc2bf5453083954ae7cb2dd1910ed889a1b
            • MD5 SHA1 SHA512 SSDEEP TLSH