Analysis

  • max time kernel
    141s
  • max time network
    140s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230221-es
  • resource tags

    arch:x64arch:x86image:win10v2004-20230221-eslocale:es-esos:windows10-2004-x64systemwindows
  • submitted
    05-06-2023 20:58

General

  • Target

    https://aka.ms/AAb9ysg

Score
5/10

Malware Config

Signatures

  • Detected potential entity reuse from brand microsoft.
  • Checks processor information in registry 2 TTPs 5 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" https://aka.ms/AAb9ysg
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3092
    • C:\Program Files\Mozilla Firefox\firefox.exe
      "C:\Program Files\Mozilla Firefox\firefox.exe" https://aka.ms/AAb9ysg
      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:2612
      • C:\Program Files\Mozilla Firefox\firefox.exe
        "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2612.0.176285266\773831185" -parentBuildID 20221007134813 -prefsHandle 1836 -prefMapHandle 1828 -prefsLen 20890 -prefMapSize 232675 -appDir "C:\Program Files\Mozilla Firefox\browser" - {dc9624e0-2333-4a43-9341-6f71cb5f7b93} 2612 "\\.\pipe\gecko-crash-server-pipe.2612" 1916 1e3b5517458 gpu
        3⤵
          PID:3900
        • C:\Program Files\Mozilla Firefox\firefox.exe
          "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2612.1.822462346\853559668" -parentBuildID 20221007134813 -prefsHandle 2412 -prefMapHandle 2408 -prefsLen 21706 -prefMapSize 232675 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {68a630c7-c0b5-4890-9e1b-592605070d6a} 2612 "\\.\pipe\gecko-crash-server-pipe.2612" 2424 1e3a7572b58 socket
          3⤵
            PID:2088
          • C:\Program Files\Mozilla Firefox\firefox.exe
            "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2612.2.1175715661\1855864155" -childID 1 -isForBrowser -prefsHandle 3080 -prefMapHandle 3036 -prefsLen 21854 -prefMapSize 232675 -jsInitHandle 1460 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {be31ea96-6f55-4a91-a04f-2ac60c0c7164} 2612 "\\.\pipe\gecko-crash-server-pipe.2612" 3016 1e3b8214058 tab
            3⤵
              PID:944
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2612.3.1915404602\1971484100" -childID 2 -isForBrowser -prefsHandle 4012 -prefMapHandle 4008 -prefsLen 26519 -prefMapSize 232675 -jsInitHandle 1460 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {3579d196-8eef-4465-94f1-a359c5ec394c} 2612 "\\.\pipe\gecko-crash-server-pipe.2612" 4024 1e3b933a058 tab
              3⤵
                PID:4268
              • C:\Program Files\Mozilla Firefox\firefox.exe
                "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2612.4.1364698786\269267551" -childID 3 -isForBrowser -prefsHandle 4764 -prefMapHandle 4720 -prefsLen 26578 -prefMapSize 232675 -jsInitHandle 1460 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {5abe7059-6d84-4dc3-8034-17ea457a9225} 2612 "\\.\pipe\gecko-crash-server-pipe.2612" 4816 1e3ba6f0858 tab
                3⤵
                  PID:2404
                • C:\Program Files\Mozilla Firefox\firefox.exe
                  "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2612.6.391918595\1774646959" -childID 5 -isForBrowser -prefsHandle 5136 -prefMapHandle 5140 -prefsLen 26578 -prefMapSize 232675 -jsInitHandle 1460 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {f170ba56-c5f8-4314-a1df-d6621e59bd50} 2612 "\\.\pipe\gecko-crash-server-pipe.2612" 5124 1e3ba80dc58 tab
                  3⤵
                    PID:5016
                  • C:\Program Files\Mozilla Firefox\firefox.exe
                    "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2612.5.932548320\740654707" -childID 4 -isForBrowser -prefsHandle 4836 -prefMapHandle 4800 -prefsLen 26578 -prefMapSize 232675 -jsInitHandle 1460 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {a8a99b98-408a-49c2-9027-bdd660aab111} 2612 "\\.\pipe\gecko-crash-server-pipe.2612" 4952 1e3ba80ee58 tab
                    3⤵
                      PID:1140
                    • C:\Program Files\Mozilla Firefox\firefox.exe
                      "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2612.7.1511144070\597130656" -childID 6 -isForBrowser -prefsHandle 3224 -prefMapHandle 3264 -prefsLen 26578 -prefMapSize 232675 -jsInitHandle 1460 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {8e04bceb-38a0-4471-a3d1-01e33b520a88} 2612 "\\.\pipe\gecko-crash-server-pipe.2612" 3228 1e3bbb1a758 tab
                      3⤵
                        PID:2484

                  Network

                  MITRE ATT&CK Matrix ATT&CK v6

                  Discovery

                  Query Registry

                  2
                  T1012

                  System Information Discovery

                  1
                  T1082

                  Replay Monitor

                  Loading Replay Monitor...

                  Downloads

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

                    131KB

                    MD5

                    d9c5a69806f9894e4c0e6ef5b1960dcc

                    SHA1

                    10175b2046b8dd8c3167c02d351d07fade32e43a

                    SHA256

                    c1816898a586d84104965d2bfa891f428fa8cdfbc269b1a881a645d3de5024f5

                    SHA512

                    20c6e3ddeb8af0dfd0c31ce46f9923a14d8dfe0c0c7624cfd9c7fae7f501b20c1bf48295a411f2aef217413078c4368b5fe32cc2f3b16ec977acbbed2bd2ec48

                  • C:\Users\Admin\AppData\Local\Mozilla\Firefox\Profiles\bozzcyfh.default-release\cache2\entries\58D46C4012E4AD3623A4EA72BB3C1CDD25B3FF87
                    Filesize

                    14KB

                    MD5

                    c75c3ca3985b568f9d201c138bf71254

                    SHA1

                    fe9f9b18379abbc50a2b192e719c523c3bc2992a

                    SHA256

                    8c119dbb51d4267ebee9a798c42d78f4aca005ef8c0ab0862838eb7d426e10d9

                    SHA512

                    42a8c3c2fd24a023fa98a12ead41a7ee79b8f5d6ff963cea1b07a6c9edf99fcbde97669dc6006e605b7446315847e2214530a54ae738f5c59c6ba290937ef0f1

                  • C:\Users\Admin\AppData\Local\Mozilla\Firefox\Profiles\bozzcyfh.default-release\cache2\entries\917E41E135032D6BD66E5D6F84F0988D37234A33
                    Filesize

                    14KB

                    MD5

                    da3d3eba77b3ca38381267de145abc66

                    SHA1

                    b47dc961ce96acea97b674d880a6ae677ce88d10

                    SHA256

                    b3c3201beb30135fc0d007dcb561dc27ee14f550cdf0a102df64848d06b76f46

                    SHA512

                    2f0b8204089690dc275b58b44c04e8c06444892d9588d9e15954a619ab9a0a13cd7a2c8416319abce7701f410274f62a0a034ecd4fc872f4d73208734c051f3c

                  • 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\bozzcyfh.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\bozzcyfh.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\bozzcyfh.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\bozzcyfh.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\bozzcyfh.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\bozzcyfh.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\bozzcyfh.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\bozzcyfh.default-release\prefs-1.js
                    Filesize

                    6KB

                    MD5

                    9da5a661ef42b362e4d715a409066f58

                    SHA1

                    be97002911905582bc4f08b99aa32af31b02c315

                    SHA256

                    a3f297331ea3e79df657560f30575262047a7753db19392b1917a58e2f17b164

                    SHA512

                    7ed6fd98618433cafbc652adf89a264e340563aeaf7629d7bf9cff4dcf92aa2609071f345d5bc7d8c2dec73a4f06b24e00fc22df25c222ed65b7b590cd1c293b

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

                    6KB

                    MD5

                    4071be3df66a115cf686af63de3424e8

                    SHA1

                    3e0e4d39a92e889671fef310140c5971288821c0

                    SHA256

                    432edaf9fd80acd1777c001eedbfe7c99d1a833ed021a63c5c9ee7057bf3d9a0

                    SHA512

                    761ec08e6603d390b9ebba22bd46b7f5404a12f12bde5b9163382bcbca107a0c3bde2929343ec3ca02b384b29e23770778b84393b70051b7ca73a28cd2beb72d

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

                    8KB

                    MD5

                    1fc84abfb8f7a3b5de012d50319ff48a

                    SHA1

                    b0e80d24246e020a167daac1c529598db756e02c

                    SHA256

                    76cc67abfc1451e78ea0ea82f061cff5c5082bd58f8a0a31b4090c6afbb4d309

                    SHA512

                    f9029de10feb561c4921258201400c306ccf2b3df3e2799ab5bd661836a25e805ab8e68c45a13457accbf314397252c5987edb07a95483de3e6795c94cbcf162

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

                    10KB

                    MD5

                    8e35ca8529194b7711aaa2f29d48941c

                    SHA1

                    862599687ddad3104d99a0b92aebff0308b76ede

                    SHA256

                    365946de5d9eab43df4b7bf0bbd9080dde5d87754a8f2a7c2ccb53ed10a309d1

                    SHA512

                    49b84f8efbbb6aed5f797639252d0d89d56b210655b6b4e6617c0edd0cc8efe180c940328f85ef1a07b6f23f1633477f5b129fd169e6a687dd0adf660d411693

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

                    7KB

                    MD5

                    a5ae672b06083cf8fc310705bc1c0050

                    SHA1

                    004c8cefbb25c6b14511f435dfd184a489af6b7b

                    SHA256

                    7c2f13dfce4ffbc3c9056611e449def41514cc5116094425ed646351dde46ac5

                    SHA512

                    5a74a9fec729f43307410a851e20b7c6dfba8b686cea07cdc637769adf59123725ff99bc6ab6509a9fee383bc2a4be52b79218f7cdc42c88d984622b32ec7a04

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

                    6KB

                    MD5

                    fcd5f37e5e4066f7cffe8eb106b6ce19

                    SHA1

                    b0a1c4d3d5c96271429fb09cb71055d177c13402

                    SHA256

                    38dbdb91f24f8e138803d71d0f7e4758fbb78e7f657208325fe30a501e225c67

                    SHA512

                    afdf7697bc784c3c85f30a8a1e4caa32459cf7f19c1ffacde04f62f089218ff1899ffe69fc465677d719546c8f91bea0d04807b13d58096f79aeba8eef0a0a15

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

                    2KB

                    MD5

                    91b0ffda0a778fd71644c9b3642ddd56

                    SHA1

                    7a766d917c225a376697dcc48d9f5a601f1b11a5

                    SHA256

                    8bbbf012de4eed6fa5effa88580ae5532de9643f1c2e1d04be1b0fc0040a5413

                    SHA512

                    f1d78cb821d84bcc41a916dcb31b758f229a5a31bf2761366a3541a034b959b38a781a52a95201dfab8b4f888d730f3ef8cc09bd231cf9582ec97d88125ee79c

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

                    2KB

                    MD5

                    babe87c4e759df2fa0de85177305e3c2

                    SHA1

                    a855e8b082029e512f088a7009238c69adba8ead

                    SHA256

                    6ab041c3741ea45efcc841d03901a82de5ee47ddb367b673422d821527f407b8

                    SHA512

                    adee82ac4da39be3b58b99416d248609089a40c6981a0551260921779652b0cc9a17f577f54e328e41b3ec370d03380e01a4a4b9133e1a3db154e537eb6bbc80