Analysis

  • user interaction
    yes
  • max time kernel
    148s
  • max time network
    115s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    01/08/2026, 16:21

General

  • Target
    Xeno.pyc
  • Size 131KB
  • Sample260801-tt1fcsdd68
  • SHA256 e0c8b46e18c30538edc65d3dab63ffc4f494f59f97c42a43a5c9dd848a091718
  • MD5 SHA1 SHA512 SSDEEP 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 23 IoCs

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

  • Modifies registry class 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of FindShellTrayWindow 20 IoCs
  • Suspicious use of SetWindowsHookEx 5 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\Xeno.pyc
    1⤵
    • Executes a command shell one-liner
    • Modifies registry class
    PID:2440
  • C:\Windows\system32\OpenWith.exe
    C:\Windows\system32\OpenWith.exe -Embedding
    1⤵
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3436
    • C:\Program Files\Mozilla Firefox\firefox.exe
      "C:\Program Files\Mozilla Firefox\firefox.exe" -osint -url "C:\Users\Admin\AppData\Local\Temp\Xeno.pyc"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3268
      • C:\Program Files\Mozilla Firefox\firefox.exe
        "C:\Program Files\Mozilla Firefox\firefox.exe" -osint -url C:\Users\Admin\AppData\Local\Temp\Xeno.pyc
        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:3612
        • C:\Program Files\Mozilla Firefox\firefox.exe
          "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250130195129 -prefsHandle 1952 -prefsLen 27097 -prefMapHandle 1956 -prefMapSize 270279 -ipcHandle 2040 -initialChannelId {cb241cb5-9ffc-4366-b28f-5d2094d9e958} -parentPid 3612 -crashReporter "\\.\pipe\gecko-crash-server-pipe.3612" -appDir "C:\Program Files\Mozilla Firefox\browser" - 1 gpu
          4⤵
            PID:4672
          • 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 2432 -initialChannelId {d2b9b578-9610-4799-b385-2b148284b139} -parentPid 3612 -crashReporter "\\.\pipe\gecko-crash-server-pipe.3612" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 2 socket
            4⤵
            • Checks processor information in registry
            PID:1248
          • C:\Program Files\Mozilla Firefox\firefox.exe
            "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 3872 -prefsLen 27274 -prefMapHandle 3876 -prefMapSize 270279 -jsInitHandle 3880 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 3888 -initialChannelId {190732b6-56b2-457d-8776-66988de24440} -parentPid 3612 -crashReporter "\\.\pipe\gecko-crash-server-pipe.3612" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 3 tab
            4⤵
            • Checks processor information in registry
            PID:2100
          • C:\Program Files\Mozilla Firefox\firefox.exe
            "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250130195129 -prefsHandle 4036 -prefsLen 27274 -prefMapHandle 4040 -prefMapSize 270279 -ipcHandle 4124 -initialChannelId {53edb712-fe3c-4603-9baa-26eef3b052c4} -parentPid 3612 -crashReporter "\\.\pipe\gecko-crash-server-pipe.3612" -appDir "C:\Program Files\Mozilla Firefox\browser" - 4 rdd
            4⤵
              PID:5524
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 4508 -prefsLen 34773 -prefMapHandle 4512 -prefMapSize 270279 -jsInitHandle 4516 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 4524 -initialChannelId {5f62c74a-afbf-4f66-aee4-44eb680aad07} -parentPid 3612 -crashReporter "\\.\pipe\gecko-crash-server-pipe.3612" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 5 tab
              4⤵
              • Checks processor information in registry
              PID:2072
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250130195129 -sandboxingKind 0 -prefsHandle 5288 -prefsLen 35010 -prefMapHandle 5292 -prefMapSize 270279 -ipcHandle 5300 -initialChannelId {518772a3-01f3-4e71-b5b7-65b0f0c928d2} -parentPid 3612 -crashReporter "\\.\pipe\gecko-crash-server-pipe.3612" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 6 utility
              4⤵
              • Checks processor information in registry
              PID:4616
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 2776 -prefsLen 32952 -prefMapHandle 2780 -prefMapSize 270279 -jsInitHandle 2784 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 2760 -initialChannelId {2e8423a9-221a-40bc-9650-719e82dd6496} -parentPid 3612 -crashReporter "\\.\pipe\gecko-crash-server-pipe.3612" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 7 tab
              4⤵
              • Checks processor information in registry
              PID:1652
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 2848 -prefsLen 32952 -prefMapHandle 1632 -prefMapSize 270279 -jsInitHandle 5808 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 5788 -initialChannelId {571f7316-a634-4450-8034-fd4121444dc3} -parentPid 3612 -crashReporter "\\.\pipe\gecko-crash-server-pipe.3612" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 8 tab
              4⤵
              • Checks processor information in registry
              PID:5172
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 6000 -prefsLen 32952 -prefMapHandle 6004 -prefMapSize 270279 -jsInitHandle 6008 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 6016 -initialChannelId {b667347a-27b6-4030-9d19-545abac52d1d} -parentPid 3612 -crashReporter "\\.\pipe\gecko-crash-server-pipe.3612" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 9 tab
              4⤵
              • Checks processor information in registry
              PID:4436

      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\jh02jw2g.default-release\datareporting\glean\db\data.safe.tmp
            • Size 7KB
            • SHA256 8194d31d1b061f068fee4484fbebefd96ab3c52a8ef25c43da11a2a27c6aa8de
            • MD5 SHA1 SHA512 SSDEEP TLSH

            events

            • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\jh02jw2g.default-release\datareporting\glean\events\events
            • Size 1KB
            • SHA256 d199452e8bb89846ac322d7b5be3986b032a101b09a025ac4d4e7f2ceca16b0b
            • MD5 SHA1 SHA512 TLSH

            5d0bed3f-978d-42f8-b215-35ed1ff779bc

            • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\jh02jw2g.default-release\datareporting\glean\pending_pings\5d0bed3f-978d-42f8-b215-35ed1ff779bc
            • Size 886B
            • SHA256 4456992c11fdff4c8a442ab6b2a8d9507fd847e458c6e4aba55f53deaa3d2438
            • MD5 SHA1 SHA512 TLSH

            85d9d646-c9a2-4a7d-ace6-96902f1e9f59

            • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\jh02jw2g.default-release\datareporting\glean\pending_pings\85d9d646-c9a2-4a7d-ace6-96902f1e9f59
            • Size 883B
            • SHA256 2ce3d62641e778aa87a8ed51fac23fd808fb3da1061ce64dcc5a4c2c9475e54e
            • MD5 SHA1 SHA512 TLSH

            8e28f33b-6ebf-4f0b-a71c-b0cd35e1cb39

            • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\jh02jw2g.default-release\datareporting\glean\pending_pings\8e28f33b-6ebf-4f0b-a71c-b0cd35e1cb39
            • Size 2KB
            • SHA256 77e9fc33a7767b649e65b31bf01b0e81c665dedf1e526b5e54459121f012dbd1
            • MD5 SHA1 SHA512 TLSH

            ac4e8117-be62-4d22-a871-587d5b823442

            • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\jh02jw2g.default-release\datareporting\glean\pending_pings\ac4e8117-be62-4d22-a871-587d5b823442
            • Size 235B
            • SHA256 d20783850182b4ad8605ab004ca55bb039556a5d402c564a34e3dbfa7ec1a1d1
            • MD5 SHA1 SHA512 TLSH

            b64b65c5-5cb8-4e0e-822a-a04f568bb1f5

            • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\jh02jw2g.default-release\datareporting\glean\pending_pings\b64b65c5-5cb8-4e0e-822a-a04f568bb1f5
            • Size 16KB
            • SHA256 bba6fddb88767be9c37ad3fc8538806a3ce030a4f97e52e28d3ddc65ed5a84dc
            • MD5 SHA1 SHA512 SSDEEP TLSH

            f3c39371-244d-4e68-a719-3e20febdd8b3

            • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\jh02jw2g.default-release\datareporting\glean\pending_pings\f3c39371-244d-4e68-a719-3e20febdd8b3
            • Size 235B
            • SHA256 c2844901d04a94e7de70b1b09cc573e33fb0e6f9d84863b22684ddabd27e441e
            • MD5 SHA1 SHA512 TLSH

            prefs-1.js

            • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\jh02jw2g.default-release\prefs-1.js
            • Size 6KB
            • SHA256 cf6e86ebe906249293fc64b1057e1b3663a8669e48a82dd43768eb003f2b7883
            • MD5 SHA1 SHA512 SSDEEP TLSH

            prefs.js

            • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\jh02jw2g.default-release\prefs.js
            • Size 6KB
            • SHA256 1e9b706f681c9cf0ba88cb9c5e4724aeebe81474a533d642fd21dd2c3143a9a1
            • MD5 SHA1 SHA512 SSDEEP TLSH

            prefs.js

            • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\jh02jw2g.default-release\prefs.js
            • Size 6KB
            • SHA256 eacae1c53af61d8cfb5e456aa1910d4a2c09a6b3c11c91f11bfbca0a374b4073
            • MD5 SHA1 SHA512 SSDEEP TLSH

            Hbss2B5l.pyc.part

            • Path C:\Users\Admin\Downloads\Hbss2B5l.pyc.part
            • Size 131KB
            • SHA256 e0c8b46e18c30538edc65d3dab63ffc4f494f59f97c42a43a5c9dd848a091718
            • MD5 SHA1 SHA512 SSDEEP TLSH