Analysis

  • max time kernel
    121s
  • max time network
    150s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240426-en
  • resource tags

    arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    30/04/2024, 12:56

General

  • Target

    http://a11ybar.com

Score
1/10

Malware Config

Signatures

  • Checks processor information in registry 2 TTPs 6 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 4 IoCs
  • Suspicious use of SendNotifyMessage 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 64 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:\Program Files\Mozilla Firefox\firefox.exe
    "C:\Program Files\Mozilla Firefox\firefox.exe" -osint -url "http://a11ybar.com"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2912
    • C:\Program Files\Mozilla Firefox\firefox.exe
      "C:\Program Files\Mozilla Firefox\firefox.exe" -osint -url http://a11ybar.com
      2⤵
      • Checks processor information in registry
      • Modifies registry class
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4508
      • C:\Program Files\Mozilla Firefox\firefox.exe
        "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4508.0.692779723\556035820" -parentBuildID 20230214051806 -prefsHandle 1696 -prefMapHandle 1692 -prefsLen 22074 -prefMapSize 235121 -appDir "C:\Program Files\Mozilla Firefox\browser" - {7388f590-8c95-4343-ad51-fcc055d0f52f} 4508 "\\.\pipe\gecko-crash-server-pipe.4508" 1832 170be40d658 gpu
        3⤵
          PID:4672
        • C:\Program Files\Mozilla Firefox\firefox.exe
          "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4508.1.1393897012\941453119" -parentBuildID 20230214051806 -prefsHandle 2364 -prefMapHandle 2360 -prefsLen 22925 -prefMapSize 235121 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {0f6c3d71-672b-4e64-a573-5e3e31ece5df} 4508 "\\.\pipe\gecko-crash-server-pipe.4508" 2376 170aa189f58 socket
          3⤵
            PID:3340
          • C:\Program Files\Mozilla Firefox\firefox.exe
            "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4508.2.935121283\1998625708" -childID 1 -isForBrowser -prefsHandle 2896 -prefMapHandle 2928 -prefsLen 22963 -prefMapSize 235121 -jsInitHandle 940 -jsInitLen 246560 -a11yResourceId 64 -parentBuildID 20230214051806 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {911cdb9e-d71b-4383-ad0a-af33a0002da3} 4508 "\\.\pipe\gecko-crash-server-pipe.4508" 3048 170c1540b58 tab
            3⤵
              PID:3220
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4508.3.1931837816\269097817" -childID 2 -isForBrowser -prefsHandle 3368 -prefMapHandle 3092 -prefsLen 27614 -prefMapSize 235121 -jsInitHandle 940 -jsInitLen 246560 -a11yResourceId 64 -parentBuildID 20230214051806 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {45a5d599-c0fa-4d43-9e4f-05d7ca980fe5} 4508 "\\.\pipe\gecko-crash-server-pipe.4508" 3736 170aa17ab58 tab
              3⤵
                PID:4864
              • C:\Program Files\Mozilla Firefox\firefox.exe
                "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4508.4.1362480717\2019814051" -childID 3 -isForBrowser -prefsHandle 4908 -prefMapHandle 4900 -prefsLen 27614 -prefMapSize 235121 -jsInitHandle 940 -jsInitLen 246560 -a11yResourceId 64 -parentBuildID 20230214051806 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {b2df81c1-f9b7-4fe6-99e3-37025512fa90} 4508 "\\.\pipe\gecko-crash-server-pipe.4508" 4920 170c5781258 tab
                3⤵
                  PID:3004
                • C:\Program Files\Mozilla Firefox\firefox.exe
                  "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4508.5.919091248\2079690716" -childID 4 -isForBrowser -prefsHandle 5148 -prefMapHandle 5200 -prefsLen 27614 -prefMapSize 235121 -jsInitHandle 940 -jsInitLen 246560 -a11yResourceId 64 -parentBuildID 20230214051806 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {d27792e7-8be4-4540-ab42-cd6142139262} 4508 "\\.\pipe\gecko-crash-server-pipe.4508" 5228 170c5dc0758 tab
                  3⤵
                    PID:3536
                  • C:\Program Files\Mozilla Firefox\firefox.exe
                    "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4508.6.120602643\1838207494" -childID 5 -isForBrowser -prefsHandle 5368 -prefMapHandle 5372 -prefsLen 27614 -prefMapSize 235121 -jsInitHandle 940 -jsInitLen 246560 -a11yResourceId 64 -parentBuildID 20230214051806 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {3abfc84b-55a2-4a71-8ba7-dcfb228b5ba1} 4508 "\\.\pipe\gecko-crash-server-pipe.4508" 5360 170c5dc0a58 tab
                    3⤵
                      PID:1572
                    • C:\Program Files\Mozilla Firefox\firefox.exe
                      "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4508.7.744267265\1751773266" -childID 6 -isForBrowser -prefsHandle 5536 -prefMapHandle 5544 -prefsLen 27614 -prefMapSize 235121 -jsInitHandle 940 -jsInitLen 246560 -a11yResourceId 64 -parentBuildID 20230214051806 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {41a2f6e5-e5f8-4a36-a575-3ab01b0bbfb8} 4508 "\\.\pipe\gecko-crash-server-pipe.4508" 5628 170c5dc2b58 tab
                      3⤵
                        PID:3324
                      • C:\Program Files\Mozilla Firefox\firefox.exe
                        "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4508.8.1563558749\1473501308" -childID 7 -isForBrowser -prefsHandle 3660 -prefMapHandle 5588 -prefsLen 27695 -prefMapSize 235121 -jsInitHandle 940 -jsInitLen 246560 -a11yResourceId 64 -parentBuildID 20230214051806 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {17656a95-bfc0-4b4b-98de-eab66811301a} 4508 "\\.\pipe\gecko-crash-server-pipe.4508" 5592 170c6a1db58 tab
                        3⤵
                          PID:1400
                        • C:\Program Files\Mozilla Firefox\firefox.exe
                          "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4508.9.1705340619\162644434" -parentBuildID 20230214051806 -prefsHandle 6064 -prefMapHandle 6024 -prefsLen 27695 -prefMapSize 235121 -appDir "C:\Program Files\Mozilla Firefox\browser" - {4bb7ac50-2af6-412b-9c39-c4b68d2e099a} 4508 "\\.\pipe\gecko-crash-server-pipe.4508" 6084 170c6105958 rdd
                          3⤵
                            PID:2428
                          • C:\Program Files\Mozilla Firefox\firefox.exe
                            "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4508.10.2116284364\1787497850" -parentBuildID 20230214051806 -sandboxingKind 1 -prefsHandle 5928 -prefMapHandle 6072 -prefsLen 27695 -prefMapSize 235121 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {47f0125b-a7c3-43b8-9943-ea10876a6e84} 4508 "\\.\pipe\gecko-crash-server-pipe.4508" 6012 170c62c2e58 utility
                            3⤵
                              PID:3316

                        Network

                              MITRE ATT&CK Enterprise v15

                              Replay Monitor

                              Loading Replay Monitor...

                              Downloads

                              • C:\Users\Admin\AppData\Local\Mozilla\Firefox\Profiles\ydz6lw8g.default-release\activity-stream.discovery_stream.json.tmp

                                Filesize

                                26KB

                                MD5

                                dc29d0d7d37552c66663df4cfa10f76d

                                SHA1

                                11bf8871ed7a930619e37234a84356a3566594ed

                                SHA256

                                caf23fef307cd40ebde423ea6e34dd249adb05e0493566b827b06f964a4bc6e9

                                SHA512

                                c646038bf2d3ae43d4bb9528c5745fc35137a5bf413e49eed2d7ce263a0ed5e0190bac356a0725ba18bdcd73e4e07defd4f2efa69929ed36c4e9b5da6871510b

                              • C:\Users\Admin\AppData\Local\Mozilla\Firefox\Profiles\ydz6lw8g.default-release\activity-stream.discovery_stream.json.tmp

                                Filesize

                                27KB

                                MD5

                                faf19a5a6b2f433f241e6d3b662fa99a

                                SHA1

                                efdab88448c42f6e66e290c6f834383634efa34b

                                SHA256

                                d0ce33442e49c99d3febc8fb1c3fc7dbc0615f2d95e17a30161ea8474781fc3d

                                SHA512

                                88a8c2eb0e8e1bad83e208c7331782cbb629f5420f8a3e9f9804b3aad2bba97ff3f6f961f91630d0688e9bbc5bcd60edca11e3cf043e4f4853c54aed4fcfaa7b

                              • C:\Users\Admin\AppData\Local\Mozilla\Firefox\Profiles\ydz6lw8g.default-release\cache2\entries\CC9AFF3BE02AD27708D587AE49B3DC68644172BA

                                Filesize

                                13KB

                                MD5

                                258cf97bae932ebf27ae9dbae788ea7a

                                SHA1

                                da536fe4507e9254a897c0a17721f11f98633609

                                SHA256

                                b8e37a608b4ab70a9e416ccf5f9be499cd8a8464d02461a5644098aceda40474

                                SHA512

                                1b6fc7938ba425157d613ffcb6708af04b9a15dcdb33fb5f9458f6efdea56039c941d1e7f9a736dd41921ad10a557cc6d276b624c5f2d135e009e751276e5673

                              • C:\Users\Admin\AppData\Local\Mozilla\Firefox\Profiles\ydz6lw8g.default-release\cache2\entries\F8CBD54DDA10F4286A41EC6A537240712D6C2308

                                Filesize

                                9KB

                                MD5

                                9a2eb042bf147bc9c57792524d388fe5

                                SHA1

                                4f9e44ee03174b58bc2d1a5a6ceec63d6de9ce87

                                SHA256

                                5468435d5d94d096842cc79f5cea3904db386637e9d0e4b6127b060a98b152e7

                                SHA512

                                3f43cd5977b5b4bad824af3e815b334367e42ac19a8214ec588627f10d77ed434f99f480e0eb0adf6b906807a0da0779cdd6b623441c80a027b012ad228e308e

                              • C:\Users\Admin\AppData\Local\Temp\tmpaddon

                                Filesize

                                442KB

                                MD5

                                85430baed3398695717b0263807cf97c

                                SHA1

                                fffbee923cea216f50fce5d54219a188a5100f41

                                SHA256

                                a9f4281f82b3579581c389e8583dc9f477c7fd0e20c9dfc91a2e611e21e3407e

                                SHA512

                                06511f1f6c6d44d076b3c593528c26a602348d9c41689dbf5ff716b671c3ca5756b12cb2e5869f836dedce27b1a5cfe79b93c707fd01f8e84b620923bb61b5f1

                              • C:\Users\Admin\AppData\Local\Temp\tmpaddon-1

                                Filesize

                                8.0MB

                                MD5

                                a01c5ecd6108350ae23d2cddf0e77c17

                                SHA1

                                c6ac28a2cd979f1f9a75d56271821d5ff665e2b6

                                SHA256

                                345d44e3aa3e1967d186a43d732c8051235c43458169a5d7d371780a6475ee42

                                SHA512

                                b046dd1b26ec0b810ee441b7ad4dc135e3f1521a817b9f3db60a32976352e8f7e53920e1a77fc5b4130aac260d79deef7e823267b4414e9cc774d8bffca56a72

                              • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\ydz6lw8g.default-release\gmp-gmpopenh264\1.8.1.2\gmpopenh264.dll

                                Filesize

                                997KB

                                MD5

                                fe3355639648c417e8307c6d051e3e37

                                SHA1

                                f54602d4b4778da21bc97c7238fc66aa68c8ee34

                                SHA256

                                1ed7877024be63a049da98733fd282c16bd620530a4fb580dacec3a78ace914e

                                SHA512

                                8f4030bb2464b98eccbea6f06eb186d7216932702d94f6b84c56419e9cf65a18309711ab342d1513bf85aed402bc3535a70db4395874828f0d35c278dd2eac9c

                              • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\ydz6lw8g.default-release\gmp-gmpopenh264\1.8.1.2\gmpopenh264.info

                                Filesize

                                116B

                                MD5

                                3d33cdc0b3d281e67dd52e14435dd04f

                                SHA1

                                4db88689282fd4f9e9e6ab95fcbb23df6e6485db

                                SHA256

                                f526e9f98841d987606efeaff7f3e017ba9fd516c4be83890c7f9a093ea4c47b

                                SHA512

                                a4a96743332cc8ef0f86bc2e6122618bfc75ed46781dadbac9e580cd73df89e74738638a2cccb4caa4cbbf393d771d7f2c73f825737cdb247362450a0d4a4bc1

                              • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\ydz6lw8g.default-release\gmp-widevinecdm\4.10.2557.0\LICENSE.txt

                                Filesize

                                479B

                                MD5

                                49ddb419d96dceb9069018535fb2e2fc

                                SHA1

                                62aa6fea895a8b68d468a015f6e6ab400d7a7ca6

                                SHA256

                                2af127b4e00f7303de8271996c0c681063e4dc7abdc7b2a8c3fe5932b9352539

                                SHA512

                                48386217dabf7556e381ab3f5924b123a0a525969ff98f91efb03b65477c94e48a15d9abcec116b54616d36ad52b6f1d7b8b84c49c204e1b9b43f26f2af92da2

                              • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\ydz6lw8g.default-release\gmp-widevinecdm\4.10.2557.0\manifest.json

                                Filesize

                                372B

                                MD5

                                8be33af717bb1b67fbd61c3f4b807e9e

                                SHA1

                                7cf17656d174d951957ff36810e874a134dd49e0

                                SHA256

                                e92d3394635edfb987a7528e0ccd24360e07a299078df2a6967ca3aae22fa2dd

                                SHA512

                                6125f60418e25fee896bf59f5672945cd8f36f03665c721837bb50adf5b4dfef2dddbfcfc817555027dcfa90e1ef2a1e80af1219e8063629ea70263d2fc936a7

                              • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\ydz6lw8g.default-release\gmp-widevinecdm\4.10.2557.0\widevinecdm.dll

                                Filesize

                                11.8MB

                                MD5

                                33bf7b0439480effb9fb212efce87b13

                                SHA1

                                cee50f2745edc6dc291887b6075ca64d716f495a

                                SHA256

                                8ee42d9258e20bbc5bfdfae61605429beb5421ffeaaa0d02b86d4978f4b4ac4e

                                SHA512

                                d329a1a1d98e302142f2776de8cc2cd45a465d77cb21c461bdf5ee58c68073a715519f449cb673977288fe18401a0abcce636c85abaec61a4a7a08a16c924275

                              • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\ydz6lw8g.default-release\gmp-widevinecdm\4.10.2557.0\widevinecdm.dll.lib

                                Filesize

                                1KB

                                MD5

                                688bed3676d2104e7f17ae1cd2c59404

                                SHA1

                                952b2cdf783ac72fcb98338723e9afd38d47ad8e

                                SHA256

                                33899a3ebc22cb8ed8de7bd48c1c29486c0279b06d7ef98241c92aef4e3b9237

                                SHA512

                                7a0e3791f75c229af79dd302f7d0594279f664886fea228cfe78e24ef185ae63aba809aa1036feb3130066deadc8e78909c277f0a7ed1e3485df3cf2cd329776

                              • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\ydz6lw8g.default-release\gmp-widevinecdm\4.10.2557.0\widevinecdm.dll.sig

                                Filesize

                                1KB

                                MD5

                                937326fead5fd401f6cca9118bd9ade9

                                SHA1

                                4526a57d4ae14ed29b37632c72aef3c408189d91

                                SHA256

                                68a03f075db104f84afdd8fca45a7e4bff7b55dc1a2a24272b3abe16d8759c81

                                SHA512

                                b232f6cf3f88adb346281167ac714c4c4c7aac15175087c336911946d12d63d3a3a458e06b298b41a7ec582ef09fe238da3a3166ff89c450117228f7485c22d2

                              • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\ydz6lw8g.default-release\prefs-1.js

                                Filesize

                                6KB

                                MD5

                                854c768fcc5482b592829ace436bfff6

                                SHA1

                                3b81293ff28254d566e4abff97db506a64656d87

                                SHA256

                                f67eb68d8f6339c119386b761b27f160d6f077ac00ed176fdc082eacaa10e6c4

                                SHA512

                                ecdb5e05101975206bca00654999586dce0f3598c553d2a458906960bce6f4915004244711a9f463db6fdfd529b10d801a7030681aed3156da1aa476752ec37d

                              • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\ydz6lw8g.default-release\prefs-1.js

                                Filesize

                                7KB

                                MD5

                                a9d12ed9858cbeec5d1ea0605d5e47b6

                                SHA1

                                5a358c120f1260328a27e498cca58fe7da9eb7a5

                                SHA256

                                d30df66c591b9517e93d1082e7ea5d10872b7ffc857ade4f772cba5fd4a23940

                                SHA512

                                fa3a3c1f6f58e10a5ab95945d4effbe8547951dd37d1535d8f378299ad488ab707deedcf1154a2eb816be5ca8eedbb768e8f68eba4847139f092129ee549e7b7

                              • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\ydz6lw8g.default-release\prefs-1.js

                                Filesize

                                8KB

                                MD5

                                ac59167469b794f4a3ddd199c67c46b8

                                SHA1

                                b7a5f47272d14a6f60fde094fa75f41b74ec5605

                                SHA256

                                092186fd5146fe2448b4f03ed02122f8245ce845a2f468212eea5fef60e5f30b

                                SHA512

                                dc203ff6f3dfda7783f14b784f15150c25af28631ad5a5d296ce852f5c25f0909ff7ff26dd16cf3f53ac532a795a21bbcd3671f7b0a74b31d17c77883c5814a6

                              • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\ydz6lw8g.default-release\prefs.js

                                Filesize

                                6KB

                                MD5

                                efb3ea265241e8e903bde8ce51694157

                                SHA1

                                c930229caf93f7baea00ad41563f87aecefa93cf

                                SHA256

                                e3dea3f53e1ad44f9ddeb9c47fcfe1f5096936e45dd050892d05c289a1f2164b

                                SHA512

                                8e844a2d226b4d1ffd9f161e883a25df28fd8a542a04d37678bf7e366399773b4a982eb8573b1604c6bc7fc5b1b07ed007b1f4028102cfbbadd02493984c91cf

                              • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\ydz6lw8g.default-release\sessionstore-backups\recovery.jsonlz4

                                Filesize

                                1KB

                                MD5

                                82cdb29411d1c6caac27997e925aad76

                                SHA1

                                863b5e4b68c298c9e0f01948aede1895162f004c

                                SHA256

                                f9f46f40c12e55e17085bd0512131ec8ec66de56aadfb404b5efceccaf2b12bb

                                SHA512

                                38734b4bf2d272d34ad5a0faf9fecae3e41849d32de3928bf0b3c8affa4f0338fdc4eaa419df9fc6611984daa9da9e760dd45280cbf08c637c49816d39134f23

                              • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\ydz6lw8g.default-release\sessionstore-backups\recovery.jsonlz4

                                Filesize

                                4KB

                                MD5

                                341ae6af479b159be699c4b0cc4439bc

                                SHA1

                                78a0847683b0d463ca8eae1e66908c3a61687fe0

                                SHA256

                                713bb59ee390d198524618877134288dafde1d7ce250e3a69d184ab10e28c998

                                SHA512

                                70e55326316fe223c3102f6f99507ffa6daec3ab43f48456b45569966790078920b268625c836f958bb84b103e9cd2b6668f0bbf8f94547448195d9f188b9fe1

                              • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\ydz6lw8g.default-release\sessionstore-backups\recovery.jsonlz4

                                Filesize

                                1KB

                                MD5

                                30013a630a7c0d2049106d26e997d19d

                                SHA1

                                a022dc0413cea6f3ef0dc6ae83f1921c6033628e

                                SHA256

                                890a90ddcfa8f7c0f2df88e729e88598a9b7b577d22dbb66b39fffe6843848be

                                SHA512

                                7ad9df323de7b7476e1d02b5ec1e9472a48bf8173dcef6fd577980549480f18414bcd9b916fc961944df4f007d3bb70cff1a6b8d2d3061f157ff09f044dcd245

                              • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\ydz6lw8g.default-release\sessionstore-backups\recovery.jsonlz4

                                Filesize

                                4KB

                                MD5

                                3ea888c69de82e64cc0c05017a1176f7

                                SHA1

                                147cb9dee00ddbb8c329c00167ef6af2f0d30963

                                SHA256

                                6c550eb8478bb9708146e62217de35f20d31a5f367124843719b626ae650cbc2

                                SHA512

                                a976c026dcd4f12f385bda1ec6f09420f5bc2346a22b18c3b19b669c76a736d6eb7304e7069d37e3fcf7e48bd8eba1a3f4387bc7a30b5e056e8901b4e926eaac