Analysis

  • user interaction
    yes
  • max time kernel
    598s
  • max time network
    476s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260911-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    18/10/2026, 16:49

General

  • Target
    $RESOURCES/AACGUARD/AACGUARD/PresentationNative_cor3.dll
  • Size 1.2MB
  • Sample261018-vbpftassbx
  • SHA256 091609705a031d5832f21548291c2670f06eadd781d465d3e1a5fad3772adc91
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
1/10

Malware Config

Signatures

  • Checks processor information in registry 2 TTPs 22 IoCs

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

  • Modifies registry class 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 5 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 36 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\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\$RESOURCES\AACGUARD\AACGUARD\PresentationNative_cor3.dll,#1
    1⤵
      PID:4868
    • C:\Program Files\Mozilla Firefox\firefox.exe
      "C:\Program Files\Mozilla Firefox\firefox.exe"
      1⤵
      • Suspicious use of WriteProcessMemory
      PID:4516
      • C:\Program Files\Mozilla Firefox\firefox.exe
        "C:\Program Files\Mozilla Firefox\firefox.exe"
        2⤵
        • 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:4072
        • C:\Program Files\Mozilla Firefox\firefox.exe
          "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250130195129 -prefsHandle 2020 -prefsLen 27099 -prefMapHandle 2024 -prefMapSize 270279 -ipcHandle 2100 -initialChannelId {e1d01280-9728-4199-a6f3-9c98e90fa282} -parentPid 4072 -crashReporter "\\.\pipe\gecko-crash-server-pipe.4072" -appDir "C:\Program Files\Mozilla Firefox\browser" - 1 gpu
          3⤵
            PID:1748
          • C:\Program Files\Mozilla Firefox\firefox.exe
            "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250130195129 -prefsHandle 2480 -prefsLen 27135 -prefMapHandle 2484 -prefMapSize 270279 -ipcHandle 2492 -initialChannelId {8721d308-a47f-48b1-94cf-ac3ff8997e26} -parentPid 4072 -crashReporter "\\.\pipe\gecko-crash-server-pipe.4072" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 2 socket
            3⤵
            • Checks processor information in registry
            PID:924
          • C:\Program Files\Mozilla Firefox\firefox.exe
            "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 3844 -prefsLen 27276 -prefMapHandle 3848 -prefMapSize 270279 -jsInitHandle 3852 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 3860 -initialChannelId {5f5c63d5-dbcb-44cc-a898-39cebe9c50d3} -parentPid 4072 -crashReporter "\\.\pipe\gecko-crash-server-pipe.4072" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 3 tab
            3⤵
            • Checks processor information in registry
            PID:2404
          • C:\Program Files\Mozilla Firefox\firefox.exe
            "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250130195129 -prefsHandle 3076 -prefsLen 27276 -prefMapHandle 3080 -prefMapSize 270279 -ipcHandle 4040 -initialChannelId {a410680c-9c59-402f-9795-bcc5e143c8d6} -parentPid 4072 -crashReporter "\\.\pipe\gecko-crash-server-pipe.4072" -appDir "C:\Program Files\Mozilla Firefox\browser" - 4 rdd
            3⤵
              PID:2120
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 2728 -prefsLen 34775 -prefMapHandle 3056 -prefMapSize 270279 -jsInitHandle 3808 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 3796 -initialChannelId {25e3b610-5e04-422f-a490-56462f11bca4} -parentPid 4072 -crashReporter "\\.\pipe\gecko-crash-server-pipe.4072" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 5 tab
              3⤵
              • Checks processor information in registry
              PID:2376
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250130195129 -sandboxingKind 0 -prefsHandle 2772 -prefsLen 35012 -prefMapHandle 4856 -prefMapSize 270279 -ipcHandle 2800 -initialChannelId {dc8b0063-9d89-45b9-a14e-f0f048c3e243} -parentPid 4072 -crashReporter "\\.\pipe\gecko-crash-server-pipe.4072" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 6 utility
              3⤵
              • Checks processor information in registry
              PID:2868
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 5100 -prefsLen 32900 -prefMapHandle 5104 -prefMapSize 270279 -jsInitHandle 5108 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 5116 -initialChannelId {52b219b6-25b6-4b68-a044-051ed9d1a8b6} -parentPid 4072 -crashReporter "\\.\pipe\gecko-crash-server-pipe.4072" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 7 tab
              3⤵
              • Checks processor information in registry
              PID:4100
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 5380 -prefsLen 32952 -prefMapHandle 5384 -prefMapSize 270279 -jsInitHandle 5388 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 5392 -initialChannelId {9911ba12-7db6-4653-b160-cbd42ca92840} -parentPid 4072 -crashReporter "\\.\pipe\gecko-crash-server-pipe.4072" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 8 tab
              3⤵
              • Checks processor information in registry
              PID:4420
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 5584 -prefsLen 32952 -prefMapHandle 5588 -prefMapSize 270279 -jsInitHandle 5592 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 5600 -initialChannelId {d69826fd-e33e-4d77-9021-c8d48747d0f0} -parentPid 4072 -crashReporter "\\.\pipe\gecko-crash-server-pipe.4072" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 9 tab
              3⤵
              • Checks processor information in registry
              PID:5900

        Network

              MITRE ATT&CK Enterprise v16

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              activity-stream.contile.json

              • Path C:\Users\Admin\AppData\Local\Mozilla\Firefox\Profiles\0inymrgq.default-release\activity-stream.contile.json
              • Size 4KB
              • SHA256 4ae57bc69a7b435da4ab0e8857e9db276e5ec32c711a4c168f28625a2622750f
              • MD5 SHA1 SHA512 SSDEEP TLSH

              activity-stream.discovery_stream.json

              • Path C:\Users\Admin\AppData\Local\Mozilla\Firefox\Profiles\0inymrgq.default-release\activity-stream.discovery_stream.json
              • Size 75KB
              • SHA256 c88adaf1bbd11c56421adc69cd2554540ee43494e8dcf74be76b22344f64485a
              • MD5 SHA1 SHA512 SSDEEP TLSH

              activity-stream.discovery_stream.json

              • Path C:\Users\Admin\AppData\Local\Mozilla\Firefox\Profiles\0inymrgq.default-release\activity-stream.discovery_stream.json
              • Size 75KB
              • SHA256 1c12ff346a1f5744b680c9a9060d1cd867e7d0aef4262ddc5210127aa9b00459
              • MD5 SHA1 SHA512 SSDEEP TLSH

              activity-stream.weather_feed.json

              • Path C:\Users\Admin\AppData\Local\Mozilla\Firefox\Profiles\0inymrgq.default-release\activity-stream.weather_feed.json
              • Size 14B
              • SHA256 1bead770ec2d7afc6ec1e9d35383f40ef676591e079dece21c38db17c5c24a20
              • MD5 SHA1 SHA512

              6435

              • Path C:\Users\Admin\AppData\Local\Mozilla\Firefox\Profiles\0inymrgq.default-release\cache2\doomed\6435
              • Size 52B
              • SHA256 35b3bfc513c672db81b0891d22f6d85b146def0af1a43678dc4c4a382ab2aa47
              • MD5 SHA1 SHA512 TLSH

              webext.sc.lz4

              • Path C:\Users\Admin\AppData\Local\Mozilla\Firefox\Profiles\0inymrgq.default-release\startupCache\webext.sc.lz4
              • Size 104KB
              • SHA256 dbd99db2699b5f6543c44cf871460d2d1d90e173bbe4e0b4fe34bfbb3db949bb
              • MD5 SHA1 SHA512 SSDEEP TLSH

              addonStartup.json.lz4

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\0inymrgq.default-release\addonStartup.json.lz4
              • Size 5KB
              • SHA256 c4a6e36f18384a5103ace435516b1369af7661d6b565cd832ea84d5ff8099c26
              • 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 324b950ec5356b3c3ba0670e7041a01ca61f6822e6e79f6dfe1fff94860499c3
              • 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 fc4580bda66c9955b86b2d6990f794e3161951e5440c2fba56e57d28ac83b1fc
              • 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 ad48934d53e2b059fe6875647c5d874f7551593b7d3dd9e1cf885f6616666ff5
              • 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 34e9812cb9c8e9b29a17053185cc085a900f81ef325509af39952a62333598f2
              • MD5 SHA1 SHA512 SSDEEP TLSH

              events

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\0inymrgq.default-release\datareporting\glean\events\events
              • Size 1KB
              • SHA256 1f2baa5a1c2dca73b32e762e416d84c0d113e68bd8f403e7519ac2f477f94056
              • MD5 SHA1 SHA512 TLSH

              6ce051a7-44b8-4f07-8f1b-73d17e878a34

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\0inymrgq.default-release\datareporting\glean\pending_pings\6ce051a7-44b8-4f07-8f1b-73d17e878a34
              • Size 235B
              • SHA256 25b0532d0f53e646f74982afccf4f71922451c650970dad7d9cbcccda0146841
              • MD5 SHA1 SHA512 TLSH

              7a9ad3ff-7d56-41b7-84ce-fd5dce5501b3

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\0inymrgq.default-release\datareporting\glean\pending_pings\7a9ad3ff-7d56-41b7-84ce-fd5dce5501b3
              • Size 886B
              • SHA256 483d04359dcf179fc6a421904fde9692d88938b1dc73004f39243eeb6aac213e
              • MD5 SHA1 SHA512 TLSH

              8ff01dd1-5f70-416b-9155-10e4dfd3a5bd

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\0inymrgq.default-release\datareporting\glean\pending_pings\8ff01dd1-5f70-416b-9155-10e4dfd3a5bd
              • Size 2KB
              • SHA256 9f94f6ca61ace70db6b094ae3f156b2d0d7f474c361c55ac17e2e419c9f67dc0
              • MD5 SHA1 SHA512 TLSH

              a1deaece-2aaa-463a-9234-0c067d994702

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\0inymrgq.default-release\datareporting\glean\pending_pings\a1deaece-2aaa-463a-9234-0c067d994702
              • Size 826B
              • SHA256 4f5875f6e22245da9df10a022fb60a0c91e050eae59ccb0aa474914db5bfc489
              • MD5 SHA1 SHA512 TLSH

              a9252396-7c95-4708-9447-d74929c6d4d6

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\0inymrgq.default-release\datareporting\glean\pending_pings\a9252396-7c95-4708-9447-d74929c6d4d6
              • Size 15KB
              • SHA256 ee19a980c118449b586425c2c49f0a01d630d3db6034d4a67fd3ab22532f337f
              • MD5 SHA1 SHA512 SSDEEP TLSH

              c3fcc42f-46b3-4d37-a708-d04dff101b2b

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\0inymrgq.default-release\datareporting\glean\pending_pings\c3fcc42f-46b3-4d37-a708-d04dff101b2b
              • Size 883B
              • SHA256 2ee2f151832d208021e23141c25b5ece3bdb4acf9de63fc169f124a9755e5683
              • MD5 SHA1 SHA512 TLSH

              f1494e72-9030-4a30-bab4-f196e496a327

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\0inymrgq.default-release\datareporting\glean\pending_pings\f1494e72-9030-4a30-bab4-f196e496a327
              • Size 235B
              • SHA256 f86a49d7adad49ac932cb6ca52d25f49c26367a009808dd13bdd1346940fb08e
              • MD5 SHA1 SHA512 TLSH

              prefs.js

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\0inymrgq.default-release\prefs.js
              • Size 6KB
              • SHA256 cba55977a9b2b7089061a14a04f05179e4e60565b8fee3ebeb7b033d24f47a1f
              • 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

              prefs.js

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\0inymrgq.default-release\prefs.js
              • Size 6KB
              • SHA256 7c6a57a9eed0a9317a710661e6aad59f42847ff4b5c247241084a3466f1d5268
              • MD5 SHA1 SHA512 SSDEEP TLSH

              sessionCheckpoints.json

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\0inymrgq.default-release\sessionCheckpoints.json
              • Size 90B
              • SHA256 00ad9799527c3fd21f3a85012565eae817490f3e0d417413bf9567bb5909f6a2
              • MD5 SHA1 SHA512 TLSH

              sessionCheckpoints.json

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\0inymrgq.default-release\sessionCheckpoints.json
              • Size 122B
              • SHA256 72d74b596f7fc079d15431b51ce565a6465a40f5897682a94a3f1dd19b07959a
              • MD5 SHA1 SHA512 TLSH

              sessionCheckpoints.json

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\0inymrgq.default-release\sessionCheckpoints.json
              • Size 146B
              • SHA256 7343d5a46e2fca762305a4f85c45484a49c1607ede8e8c4bd12bedd2327edb8d
              • MD5 SHA1 SHA512 TLSH

              sessionCheckpoints.json

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\0inymrgq.default-release\sessionCheckpoints.json
              • Size 288B
              • SHA256 b779351c8c6b04cf1d260c5e76fb4ecf4b74454cc6215a43ea15a223bf5bdd7e
              • MD5 SHA1 SHA512 TLSH

              sessionCheckpoints.json

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\0inymrgq.default-release\sessionCheckpoints.json
              • Size 53B
              • SHA256 792955295ae9c382986222c6731c5870bd0e921e7f7e34cc4615f5cd67f225da
              • MD5 SHA1 SHA512 TLSH

              sessionstore.jsonlz4

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\0inymrgq.default-release\sessionstore.jsonlz4
              • Size 1KB
              • SHA256 7d64e215e59f791358eebb0492de5d2318ded115d974dbd459460f300a73edc8
              • MD5 SHA1 SHA512 TLSH

              3870112724rsegmnoittet-es.sqlite

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\0inymrgq.default-release\storage\permanent\chrome\idb\3870112724rsegmnoittet-es.sqlite
              • Size 5.1MB
              • SHA256 957a5a5ae37867b4c4f3ffe726588c50d3bdd2c89705ccec161601ebbe5be3e2
              • MD5 SHA1 SHA512 SSDEEP TLSH

              targeting.snapshot.json

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\0inymrgq.default-release\targeting.snapshot.json
              • Size 3KB
              • SHA256 b380a3c3bad680d94c4ba4a8ec45818b9596cfa33b9ba1212682997ee2f58604
              • MD5 SHA1 SHA512 TLSH

              xulstore.json

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\0inymrgq.default-release\xulstore.json
              • Size 2B
              • SHA256 44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a
              • MD5 SHA1 SHA512