Analysis

  • user interaction
    yes
  • max time kernel
    149s
  • max time network
    148s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    23/08/2026, 04:28

General

  • Target
    mmwf5b.zip
  • Size 41KB
  • Sample260823-e3vh5ssfpc
  • SHA256 bbd05de19aa2af1455c0494639215898a15286d9b05073b6c4817fe24b2c36fa
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Drops desktop.ini file(s) 3 IoCs
  • Detected potential entity reuse from brand GOOGLE. 1 IoCs
  • Checks processor information in registry 2 TTPs 21 IoCs

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

  • Modifies registry class 1 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:\Windows\Explorer.exe
    C:\Windows\Explorer.exe /idlist,,C:\Users\Admin\AppData\Local\Temp\mmwf5b.zip
    1⤵
      PID:5836
    • C:\Windows\System32\rundll32.exe
      C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
      1⤵
        PID:1908
      • C:\Program Files\Mozilla Firefox\firefox.exe
        "C:\Program Files\Mozilla Firefox\firefox.exe"
        1⤵
        • Suspicious use of WriteProcessMemory
        PID:4244
        • C:\Program Files\Mozilla Firefox\firefox.exe
          "C:\Program Files\Mozilla Firefox\firefox.exe"
          2⤵
          • Drops desktop.ini file(s)
          • Detected potential entity reuse from brand GOOGLE.
          • 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:4800
          • C:\Program Files\Mozilla Firefox\firefox.exe
            "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250130195129 -prefsHandle 1936 -prefsLen 27098 -prefMapHandle 1940 -prefMapSize 270279 -ipcHandle 2024 -initialChannelId {5d49471c-4a75-4858-a633-a2f2dd3f5935} -parentPid 4800 -crashReporter "\\.\pipe\gecko-crash-server-pipe.4800" -appDir "C:\Program Files\Mozilla Firefox\browser" - 1 gpu
            3⤵
              PID:3552
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250130195129 -prefsHandle 2392 -prefsLen 27134 -prefMapHandle 2396 -prefMapSize 270279 -ipcHandle 2404 -initialChannelId {26baeddf-1dc0-4ecd-b303-b18aa713cd61} -parentPid 4800 -crashReporter "\\.\pipe\gecko-crash-server-pipe.4800" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 2 socket
              3⤵
                PID:5588
              • C:\Program Files\Mozilla Firefox\firefox.exe
                "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 3828 -prefsLen 27274 -prefMapHandle 3832 -prefMapSize 270279 -jsInitHandle 3836 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 3844 -initialChannelId {dad1d676-d151-4d4e-9038-d9d586958c2c} -parentPid 4800 -crashReporter "\\.\pipe\gecko-crash-server-pipe.4800" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 3 tab
                3⤵
                • Checks processor information in registry
                PID:796
              • C:\Program Files\Mozilla Firefox\firefox.exe
                "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250130195129 -prefsHandle 4012 -prefsLen 27274 -prefMapHandle 4016 -prefMapSize 270279 -ipcHandle 4100 -initialChannelId {96a937b4-1974-4cdc-a9f6-1238008c85ae} -parentPid 4800 -crashReporter "\\.\pipe\gecko-crash-server-pipe.4800" -appDir "C:\Program Files\Mozilla Firefox\browser" - 4 rdd
                3⤵
                  PID:1216
                • C:\Program Files\Mozilla Firefox\firefox.exe
                  "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 2800 -prefsLen 34773 -prefMapHandle 2804 -prefMapSize 270279 -jsInitHandle 2812 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 3128 -initialChannelId {79b9bc00-17a5-409b-b17c-3e89f8b6c009} -parentPid 4800 -crashReporter "\\.\pipe\gecko-crash-server-pipe.4800" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 5 tab
                  3⤵
                  • Checks processor information in registry
                  PID:5600
                • C:\Program Files\Mozilla Firefox\firefox.exe
                  "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250130195129 -sandboxingKind 0 -prefsHandle 5096 -prefsLen 35010 -prefMapHandle 5092 -prefMapSize 270279 -ipcHandle 5104 -initialChannelId {2eab13a6-f724-403d-ad53-37403195efc8} -parentPid 4800 -crashReporter "\\.\pipe\gecko-crash-server-pipe.4800" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 6 utility
                  3⤵
                  • Checks processor information in registry
                  PID:6372
                • C:\Program Files\Mozilla Firefox\firefox.exe
                  "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 5284 -prefsLen 32900 -prefMapHandle 5288 -prefMapSize 270279 -jsInitHandle 5292 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 4908 -initialChannelId {94745865-8be2-401b-9e83-4987e42e3b90} -parentPid 4800 -crashReporter "\\.\pipe\gecko-crash-server-pipe.4800" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 7 tab
                  3⤵
                  • Checks processor information in registry
                  PID:6396
                • C:\Program Files\Mozilla Firefox\firefox.exe
                  "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 5532 -prefsLen 32900 -prefMapHandle 5536 -prefMapSize 270279 -jsInitHandle 5540 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 5292 -initialChannelId {3790202d-3d14-4b13-a12a-8ff8025b6027} -parentPid 4800 -crashReporter "\\.\pipe\gecko-crash-server-pipe.4800" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 8 tab
                  3⤵
                  • Checks processor information in registry
                  PID:6412
                • C:\Program Files\Mozilla Firefox\firefox.exe
                  "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 5692 -prefsLen 32952 -prefMapHandle 5696 -prefMapSize 270279 -jsInitHandle 5700 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 5712 -initialChannelId {d059886a-396d-4207-a845-77916c86554e} -parentPid 4800 -crashReporter "\\.\pipe\gecko-crash-server-pipe.4800" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 9 tab
                  3⤵
                  • Checks processor information in registry
                  PID:6440
                • C:\Program Files\Mozilla Firefox\firefox.exe
                  "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 6700 -prefsLen 37005 -prefMapHandle 5476 -prefMapSize 270279 -jsInitHandle 5448 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 6724 -initialChannelId {b7e391bb-0eab-48a4-92d2-c388216e06f0} -parentPid 4800 -crashReporter "\\.\pipe\gecko-crash-server-pipe.4800" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 10 tab
                  3⤵
                  • Checks processor information in registry
                  PID:5908

            Network

                  MITRE ATT&CK Enterprise v16

                  Replay Monitor

                  Loading Replay Monitor...

                  Downloads

                  86DDBDE5E1EAFC4C588EE71FB531985C95CCC542

                  • Path C:\Users\Admin\AppData\Local\Mozilla\Firefox\Profiles\fu4ot18b.default-release\cache2\entries\86DDBDE5E1EAFC4C588EE71FB531985C95CCC542
                  • Size 16KB
                  • SHA256 96e365478ce6bd8c614d5207c672db9447fe6b56814df7070e340522169b6ea8
                  • 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

                  data.safe.tmp

                  • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\fu4ot18b.default-release\datareporting\glean\db\data.safe.tmp
                  • Size 44KB
                  • SHA256 4276dd368884a50eecdddae27336675997f448df7ade5eb78fb72c904dd48dbc
                  • 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 7KB
                  • SHA256 844c732f273202a72befcaa6df88f85397aebefd1a56658ec34ca60057fe7709
                  • 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 95941701c8bab5b531c3ab138721adb550886a13f8ae785578653199ef682354
                  • MD5 SHA1 SHA512 TLSH

                  133e790e-39fd-4adf-b41f-498ca5c49ed5

                  • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\fu4ot18b.default-release\datareporting\glean\pending_pings\133e790e-39fd-4adf-b41f-498ca5c49ed5
                  • Size 2KB
                  • SHA256 1ed27703ebda231e4d6aaeed1c6408cb68856fceae662055f6adf7eb89d081c5
                  • MD5 SHA1 SHA512 TLSH

                  386ba7a6-14a3-4ed7-aa4d-0030f412e913

                  • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\fu4ot18b.default-release\datareporting\glean\pending_pings\386ba7a6-14a3-4ed7-aa4d-0030f412e913
                  • Size 15KB
                  • SHA256 8acb5cf62df5eddb816c9bbfd8e611e6cb37c1c48dfdea9e581d1a88b5e616ff
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  93825688-e9bb-4536-9c6c-8bb44323ed07

                  • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\fu4ot18b.default-release\datareporting\glean\pending_pings\93825688-e9bb-4536-9c6c-8bb44323ed07
                  • Size 886B
                  • SHA256 e5971bb6190ba844b76402b9b6b956838ef6d16eb9168ee58c6f2c25e240205e
                  • MD5 SHA1 SHA512 TLSH

                  af70101d-4399-4ad4-bc83-e4e5cc3bb2ae

                  • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\fu4ot18b.default-release\datareporting\glean\pending_pings\af70101d-4399-4ad4-bc83-e4e5cc3bb2ae
                  • Size 883B
                  • SHA256 66bdf3a47248672e45a95b51e83a3314f47bdb40f23b830a9d666addb4489671
                  • MD5 SHA1 SHA512 TLSH

                  e1a52d43-f29f-4c00-bb94-5d579acaa059

                  • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\fu4ot18b.default-release\datareporting\glean\pending_pings\e1a52d43-f29f-4c00-bb94-5d579acaa059
                  • Size 235B
                  • SHA256 0b38160ceac23054bb596186c4122980bfed0db54911c2388a94f4d0d32d19da
                  • MD5 SHA1 SHA512 TLSH

                  eaaf27e1-260e-4574-851a-d3ff6df0f05b

                  • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\fu4ot18b.default-release\datareporting\glean\pending_pings\eaaf27e1-260e-4574-851a-d3ff6df0f05b
                  • Size 235B
                  • SHA256 9b54c6a397c1de6d54d97cdf072d7edcebae6773aa46af61ec33681d83221861
                  • MD5 SHA1 SHA512 TLSH

                  extensions.json

                  • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\fu4ot18b.default-release\extensions.json
                  • Size 16KB
                  • SHA256 ecec5af60fa24428c3c01c3db3aa2ee0cd65827faffd1b6059489414fbe884bd
                  • 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 6KB
                  • SHA256 801e399eb59b2c84c3f84a28cf847cfebad51e508535ca5aea22e9d14a585ba6
                  • 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 285803c76d11f1cf6f1c4207bd8efc2addb930f2a5fd1af3b8ca39b980f01f2e
                  • 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 624ca82827a871a28f866bff6ef9b6ce47c4d491f44694b1dbddb92fb663147e
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  prefs.js

                  • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\fu4ot18b.default-release\prefs.js
                  • Size 6KB
                  • SHA256 943eba31fca1361044b2f6352c366c9e61874d653a9f6765369f23df842de130
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  prefs.js

                  • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\fu4ot18b.default-release\prefs.js
                  • Size 7KB
                  • SHA256 f30e6793c98efe6843ea1051d14d4893b83148e6d86dfe4b517947e6fd1b3b1f
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  recovery.jsonlz4

                  • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\fu4ot18b.default-release\sessionstore-backups\recovery.jsonlz4
                  • Size 1KB
                  • SHA256 65bff613ccf0b1041c6a15513b0d9c31ba652c54b5845030f5ae69fcf692e74b
                  • MD5 SHA1 SHA512 TLSH

                  3870112724rsegmnoittet-es.sqlite

                  • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\fu4ot18b.default-release\storage\permanent\chrome\idb\3870112724rsegmnoittet-es.sqlite
                  • Size 5.0MB
                  • SHA256 1deb41fad6fec4a44ce40fd53c2e83d0cd0813b0df8dc9418479de2249a737bf
                  • MD5 SHA1 SHA512 SSDEEP TLSH