Analysis

  • user interaction
    yes
  • max time kernel
    299s
  • max time network
    308s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    30/07/2026, 19:09

General

  • Target
    waif_v4.5.4/Release/player models/player_t.skindata
  • Size 708KB
  • Sample260730-xt72zsec43
  • SHA256 c3bf851d34f9f658eafa66448af4602d874fc88f836cbda94189e973532efe2f
  • MD5 SHA1 SHA512 SSDEEP TLSH

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).

  • 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 19 IoCs

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

  • Modifies registry class 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of FindShellTrayWindow 7 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\waif_v4.5.4\Release\player models\player_t.skindata"
    1⤵
    • Executes a command shell one-liner
    • Modifies registry class
    PID:708
  • C:\Windows\system32\OpenWith.exe
    C:\Windows\system32\OpenWith.exe -Embedding
    1⤵
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4264
    • C:\Program Files\Mozilla Firefox\firefox.exe
      "C:\Program Files\Mozilla Firefox\firefox.exe" -osint -url "C:\Users\Admin\AppData\Local\Temp\waif_v4.5.4\Release\player models\player_t.skindata"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:5224
      • C:\Program Files\Mozilla Firefox\firefox.exe
        "C:\Program Files\Mozilla Firefox\firefox.exe" -osint -url "C:\Users\Admin\AppData\Local\Temp\waif_v4.5.4\Release\player models\player_t.skindata"
        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:2724
        • C:\Program Files\Mozilla Firefox\firefox.exe
          "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250130195129 -prefsHandle 1944 -prefsLen 27097 -prefMapHandle 1948 -prefMapSize 270279 -ipcHandle 2020 -initialChannelId {86016584-42f9-460f-9192-c59d1217e0b5} -parentPid 2724 -crashReporter "\\.\pipe\gecko-crash-server-pipe.2724" -appDir "C:\Program Files\Mozilla Firefox\browser" - 1 gpu
          4⤵
            PID:6076
          • C:\Program Files\Mozilla Firefox\firefox.exe
            "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250130195129 -prefsHandle 2416 -prefsLen 27133 -prefMapHandle 2420 -prefMapSize 270279 -ipcHandle 2428 -initialChannelId {5464104d-0dd6-4ad6-bf41-7f941f8d2192} -parentPid 2724 -crashReporter "\\.\pipe\gecko-crash-server-pipe.2724" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 2 socket
            4⤵
              PID:2636
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 3896 -prefsLen 27274 -prefMapHandle 3900 -prefMapSize 270279 -jsInitHandle 3904 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 3912 -initialChannelId {c030ac2d-ac98-43eb-92e6-0ef5b30281c8} -parentPid 2724 -crashReporter "\\.\pipe\gecko-crash-server-pipe.2724" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 3 tab
              4⤵
              • Checks processor information in registry
              PID:2700
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250130195129 -prefsHandle 4064 -prefsLen 27274 -prefMapHandle 4068 -prefMapSize 270279 -ipcHandle 4140 -initialChannelId {546126c8-3d68-4b38-b3f7-18f9b82c801c} -parentPid 2724 -crashReporter "\\.\pipe\gecko-crash-server-pipe.2724" -appDir "C:\Program Files\Mozilla Firefox\browser" - 4 rdd
              4⤵
                PID:4868
              • C:\Program Files\Mozilla Firefox\firefox.exe
                "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 4384 -prefsLen 34773 -prefMapHandle 4388 -prefMapSize 270279 -jsInitHandle 4392 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 4400 -initialChannelId {11085f07-e156-4cb7-a8ab-c7e4fbb2469d} -parentPid 2724 -crashReporter "\\.\pipe\gecko-crash-server-pipe.2724" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 5 tab
                4⤵
                • Checks processor information in registry
                PID:4208
              • C:\Program Files\Mozilla Firefox\firefox.exe
                "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250130195129 -sandboxingKind 0 -prefsHandle 5232 -prefsLen 35010 -prefMapHandle 5236 -prefMapSize 270279 -ipcHandle 5244 -initialChannelId {6058e5ce-acf8-43a4-9764-acd5bf5a5d9d} -parentPid 2724 -crashReporter "\\.\pipe\gecko-crash-server-pipe.2724" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 6 utility
                4⤵
                • Checks processor information in registry
                PID:3924
              • C:\Program Files\Mozilla Firefox\firefox.exe
                "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 5432 -prefsLen 32900 -prefMapHandle 5436 -prefMapSize 270279 -jsInitHandle 5440 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 5448 -initialChannelId {709d513a-b6ec-47d4-89a4-6046b71ee32f} -parentPid 2724 -crashReporter "\\.\pipe\gecko-crash-server-pipe.2724" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 7 tab
                4⤵
                • Checks processor information in registry
                PID:4240
              • C:\Program Files\Mozilla Firefox\firefox.exe
                "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 5488 -prefsLen 32900 -prefMapHandle 5492 -prefMapSize 270279 -jsInitHandle 5496 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 5504 -initialChannelId {80537150-c890-42c7-b3f9-777f60e0d434} -parentPid 2724 -crashReporter "\\.\pipe\gecko-crash-server-pipe.2724" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 8 tab
                4⤵
                • Checks processor information in registry
                PID:4084
              • C:\Program Files\Mozilla Firefox\firefox.exe
                "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 5824 -prefsLen 32952 -prefMapHandle 5828 -prefMapSize 270279 -jsInitHandle 5832 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 5840 -initialChannelId {b40384bb-e512-4827-bc1a-4e08660230dc} -parentPid 2724 -crashReporter "\\.\pipe\gecko-crash-server-pipe.2724" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 9 tab
                4⤵
                • Checks processor information in registry
                PID:4100

        Network

              MITRE ATT&CK Enterprise v16

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              26087

              • Path C:\Users\Admin\AppData\Local\Mozilla\Firefox\Profiles\m209tzjd.default-release\cache2\doomed\26087
              • Size 16KB
              • SHA256 9ef22965afd4fe827b553ada88eec441daefe739ca5704143a4c79d22ce145a6
              • MD5 SHA1 SHA512 SSDEEP TLSH

              4E3D8FAAF804AAC616BC48BD4AFA8BE284516FCF

              • Path C:\Users\Admin\AppData\Local\Mozilla\Firefox\Profiles\m209tzjd.default-release\cache2\entries\4E3D8FAAF804AAC616BC48BD4AFA8BE284516FCF
              • Size 16KB
              • SHA256 26fa0a87bc49c14ba05c404edc2fec81e4119af91590bb68b0503471d9548cc9
              • MD5 SHA1 SHA512 SSDEEP TLSH

              2daa6e34-d579-45b9-9ea8-c61feb7562b1.zip

              • Path C:\Users\Admin\AppData\Local\Temp\2daa6e34-d579-45b9-9ea8-c61feb7562b1.zip
              • Size 3.7MB
              • SHA256 dd544d48a457b6c12041612325df3c7f9b4c3cd0369ca24cc4f71128e625be98
              • 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

              data.safe.tmp

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\m209tzjd.default-release\datareporting\glean\db\data.safe.tmp
              • Size 25KB
              • SHA256 1f9f35482f228a80464fb08f67f9b81db431d28f7157d1a213f989d491638c25
              • MD5 SHA1 SHA512 SSDEEP TLSH

              data.safe.tmp

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\m209tzjd.default-release\datareporting\glean\db\data.safe.tmp
              • Size 7KB
              • SHA256 67c0a818f8a2b4a3778dbc69aadee28db634eb1d9330d4d1b428742373f703a8
              • MD5 SHA1 SHA512 SSDEEP TLSH

              events

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\m209tzjd.default-release\datareporting\glean\events\events
              • Size 1KB
              • SHA256 166ebb4d58ab1595d4b6f19701721ab0d431cd1f040c86587b4840ed932f76db
              • MD5 SHA1 SHA512 TLSH

              0bca7177-3e5f-4b7a-afc8-33cb9c867467

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\m209tzjd.default-release\datareporting\glean\pending_pings\0bca7177-3e5f-4b7a-afc8-33cb9c867467
              • Size 15KB
              • SHA256 45548cf61fc09fab77e0cf44a92706f1e31112bb257bae1bd45312a425a2ac29
              • MD5 SHA1 SHA512 SSDEEP TLSH

              268810e7-4525-4d6b-aa8c-a876f22fe02b

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\m209tzjd.default-release\datareporting\glean\pending_pings\268810e7-4525-4d6b-aa8c-a876f22fe02b
              • Size 886B
              • SHA256 49d89dd04185ab55c3f3de326132ef24e57dfe0bda4b9e0721f9bf390f3fdda0
              • MD5 SHA1 SHA512 TLSH

              3555c205-b619-4767-aec5-74ee889bd802

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\m209tzjd.default-release\datareporting\glean\pending_pings\3555c205-b619-4767-aec5-74ee889bd802
              • Size 883B
              • SHA256 084a00ca54d510e34a94da7e7493dcbb630f846740df2e027fbc155d1b6008fa
              • MD5 SHA1 SHA512 TLSH

              675d32a3-f839-44f6-bc7a-64fbe37fdd4d

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\m209tzjd.default-release\datareporting\glean\pending_pings\675d32a3-f839-44f6-bc7a-64fbe37fdd4d
              • Size 2KB
              • SHA256 01f4137928c0b7e4ff9e0380781517566794b58cfe01f36294213579d014d5a0
              • MD5 SHA1 SHA512 TLSH

              a6515403-2956-4663-b9b6-11b9a40c29f7

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\m209tzjd.default-release\datareporting\glean\pending_pings\a6515403-2956-4663-b9b6-11b9a40c29f7
              • Size 235B
              • SHA256 099106d7cb9953371ac4597b7bcde5cb993b48c891cef30cd50504d13c35c112
              • MD5 SHA1 SHA512 TLSH

              f0238eaa-66db-4278-bf42-52c5775a4481

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\m209tzjd.default-release\datareporting\glean\pending_pings\f0238eaa-66db-4278-bf42-52c5775a4481
              • Size 235B
              • SHA256 6f3f7d74724bb8e9af2727df15e7ee4e3b5a61dc2918c5a3bb605a8c4424b401
              • MD5 SHA1 SHA512 TLSH

              extensions.json

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\m209tzjd.default-release\extensions.json
              • Size 16KB
              • SHA256 cb6d2fc2abe166ff099e31a01e7b1c278c3d29913783379b2ce06302876ddad4
              • MD5 SHA1 SHA512 SSDEEP TLSH

              gmpopenh264.dll

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\m209tzjd.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\m209tzjd.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\m209tzjd.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\m209tzjd.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\m209tzjd.default-release\prefs-1.js
              • Size 6KB
              • SHA256 6fd9033f9cd44fda71ed3331ce8830bb2afc0a898f4acff2dd1edfd4497044f3
              • MD5 SHA1 SHA512 SSDEEP TLSH

              prefs.js

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\m209tzjd.default-release\prefs.js
              • Size 6KB
              • SHA256 659e9c74a5964fcc4df9ea910e77a7b647e5c286b1908acc3d9f165c1c249868
              • MD5 SHA1 SHA512 SSDEEP TLSH

              prefs.js

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\m209tzjd.default-release\prefs.js
              • Size 6KB
              • SHA256 ebb87d093707d14bc3912367d3454cd39cd29a10118ffec3a1b37b549e17581b
              • MD5 SHA1 SHA512 SSDEEP TLSH

              prefs.js

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\m209tzjd.default-release\prefs.js
              • Size 9KB
              • SHA256 cede26108128bbd35510825799a02c34faca7396701b894254225e10d3572157
              • MD5 SHA1 SHA512 SSDEEP TLSH

              prefs.js

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\m209tzjd.default-release\prefs.js
              • Size 6KB
              • SHA256 ea6895801110833d9737b726c43b8d1d5f39e4c046858d1aff0f711ccac6e115
              • MD5 SHA1 SHA512 SSDEEP TLSH

              prefs.js

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\m209tzjd.default-release\prefs.js
              • Size 7KB
              • SHA256 885eb562dc09b3a97b6fd967457e827aff39bbe8691e2abddfc9ab62b7ea90e6
              • MD5 SHA1 SHA512 SSDEEP TLSH

              recovery.jsonlz4

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\m209tzjd.default-release\sessionstore-backups\recovery.jsonlz4
              • Size 1KB
              • SHA256 e067106b2c71f98503a6a6badf019481e74e25c82879d3df03c038f7d0f1f031
              • MD5 SHA1 SHA512 TLSH

              GUUJFvGU.skindata.part

              • Path C:\Users\Admin\Downloads\GUUJFvGU.skindata.part
              • Size 708KB
              • SHA256 c3bf851d34f9f658eafa66448af4602d874fc88f836cbda94189e973532efe2f
              • MD5 SHA1 SHA512 SSDEEP TLSH