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Analysis

  • max time kernel
    148s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-es
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-eslocale:es-esos:windows10-2004-x64systemwindows
  • submitted
    04/05/2023, 15:00

General

  • Target

    https://attendee.gotowebinar.com/subscription.tmpl?organizer=6722238546101859077&token=OIR5%2BaQfxSRIbmBUUYR0%2BQ%3D%3D&organizerEmail=siecaceie%40gmail.com&attendeeEmail=rvgalind%40sat.gob.gt&locale=es_ES

Score
1/10

Malware Config

Signatures

  • 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://attendee.gotowebinar.com/subscription.tmpl?organizer=6722238546101859077&token=OIR5%2BaQfxSRIbmBUUYR0%2BQ%3D%3D&organizerEmail=siecaceie%40gmail.com&attendeeEmail=rvgalind%40sat.gob.gt&locale=es_ES
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4808
    • C:\Program Files\Mozilla Firefox\firefox.exe
      "C:\Program Files\Mozilla Firefox\firefox.exe" https://attendee.gotowebinar.com/subscription.tmpl?organizer=6722238546101859077&token=OIR5%2BaQfxSRIbmBUUYR0%2BQ%3D%3D&organizerEmail=siecaceie%40gmail.com&attendeeEmail=rvgalind%40sat.gob.gt&locale=es_ES
      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:4396
      • C:\Program Files\Mozilla Firefox\firefox.exe
        "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4396.0.1296986295\265348600" -parentBuildID 20221007134813 -prefsHandle 1840 -prefMapHandle 1832 -prefsLen 20890 -prefMapSize 232675 -appDir "C:\Program Files\Mozilla Firefox\browser" - {5c823a46-90a4-41b2-b97f-872edb5c4cb8} 4396 "\\.\pipe\gecko-crash-server-pipe.4396" 1916 1ed6e219558 gpu
        3⤵
          PID:3364
        • C:\Program Files\Mozilla Firefox\firefox.exe
          "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4396.1.1520664260\2096526009" -parentBuildID 20221007134813 -prefsHandle 2396 -prefMapHandle 2392 -prefsLen 21706 -prefMapSize 232675 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {3b18ab8f-76d9-44ec-95ac-c06406020a5a} 4396 "\\.\pipe\gecko-crash-server-pipe.4396" 2408 1ed60279358 socket
          3⤵
            PID:1680
          • C:\Program Files\Mozilla Firefox\firefox.exe
            "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4396.2.326954811\1058299509" -childID 1 -isForBrowser -prefsHandle 3088 -prefMapHandle 3084 -prefsLen 21789 -prefMapSize 232675 -jsInitHandle 1492 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {99be96b7-f2b6-4429-ad89-b0c3b372e5ee} 4396 "\\.\pipe\gecko-crash-server-pipe.4396" 3076 1ed7100ca58 tab
            3⤵
              PID:2264
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4396.3.1589955917\1258655036" -childID 2 -isForBrowser -prefsHandle 3988 -prefMapHandle 3984 -prefsLen 26519 -prefMapSize 232675 -jsInitHandle 1492 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {b1956955-2c71-417e-87c2-66698bed050b} 4396 "\\.\pipe\gecko-crash-server-pipe.4396" 4000 1ed7224cf58 tab
              3⤵
                PID:2116
              • C:\Program Files\Mozilla Firefox\firefox.exe
                "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4396.4.618285775\196756027" -parentBuildID 20221007134813 -prefsHandle 4936 -prefMapHandle 4944 -prefsLen 26659 -prefMapSize 232675 -appDir "C:\Program Files\Mozilla Firefox\browser" - {2fffa7d2-0024-48eb-9658-e493af3ace2d} 4396 "\\.\pipe\gecko-crash-server-pipe.4396" 4948 1ed733c9058 rdd
                3⤵
                  PID:2160
                • C:\Program Files\Mozilla Firefox\firefox.exe
                  "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4396.5.1190036340\820393103" -childID 3 -isForBrowser -prefsHandle 5108 -prefMapHandle 5104 -prefsLen 26659 -prefMapSize 232675 -jsInitHandle 1492 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {ab12a494-fb55-4bdf-afd6-52391448b377} 4396 "\\.\pipe\gecko-crash-server-pipe.4396" 5124 1ed73abb258 tab
                  3⤵
                    PID:4936
                  • C:\Program Files\Mozilla Firefox\firefox.exe
                    "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4396.6.1108740400\203607542" -childID 4 -isForBrowser -prefsHandle 5264 -prefMapHandle 5268 -prefsLen 26659 -prefMapSize 232675 -jsInitHandle 1492 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {2f1072aa-badf-483a-9899-a6150cf07ad2} 4396 "\\.\pipe\gecko-crash-server-pipe.4396" 5252 1ed73cd1b58 tab
                    3⤵
                      PID:4756
                    • C:\Program Files\Mozilla Firefox\firefox.exe
                      "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4396.7.515725099\456688423" -childID 5 -isForBrowser -prefsHandle 5324 -prefMapHandle 5328 -prefsLen 26659 -prefMapSize 232675 -jsInitHandle 1492 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {c1c85389-5c5f-405f-9269-f2ba9be59556} 4396 "\\.\pipe\gecko-crash-server-pipe.4396" 5312 1ed748d6c58 tab
                      3⤵
                        PID:460

                  Network

                  MITRE ATT&CK Enterprise v6

                  Replay Monitor

                  Loading Replay Monitor...

                  Downloads

                  • C:\Users\Admin\AppData\Local\Mozilla\Firefox\Profiles\57nap2zl.default-release\activity-stream.discovery_stream.json.tmp

                    Filesize

                    147KB

                    MD5

                    61d5e252764c5e99948054a98c9e379b

                    SHA1

                    47eccebe9fcb8ebcc57c45605ec729e24a16fa33

                    SHA256

                    978bebd65cb28b4ae193f275dd4bacf730e90e8ca12135668cb99ed7c090026b

                    SHA512

                    cee3a80daad3e463ba7ee1723ffea420357f4abe1a6bd8e42741b259bd342d5d47727a10e9a4c8c5d3e8d69e978b61d81fad4d2d43cc6b1528eb13dbc2792dba

                  • C:\Users\Admin\AppData\Local\Mozilla\Firefox\Profiles\57nap2zl.default-release\cache2\doomed\29711

                    Filesize

                    14KB

                    MD5

                    d527ae1ba9836d49d3bfd40588f7fc66

                    SHA1

                    8ced17971bb3c7383cbd7884df1188d835dd6e81

                    SHA256

                    8cb7c174b21483492f771e3314f0d616c096e9bdd0536c8025f901aa29fdc264

                    SHA512

                    7662744664b7d6124e793671e2be7edc52855fbadab7ea6fd0e45abebcccbb44766ac5ca2946a2b5e39b4665ace51766c07a81f0ecbfe2c08ed13f413c11ae19

                  • 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\57nap2zl.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\57nap2zl.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\57nap2zl.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\57nap2zl.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\57nap2zl.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\57nap2zl.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\57nap2zl.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\57nap2zl.default-release\prefs-1.js

                    Filesize

                    6KB

                    MD5

                    ce0ceb21674767bd73c30682111e4bb8

                    SHA1

                    6f88bfdbd2b23f7c8c77eef7fbc572b1c87b3018

                    SHA256

                    4e7d1ad05d9a08ae4d8490f17070307e69aa418fd40755e81d5df6415a89a72f

                    SHA512

                    f103649970dacdb1388b59e745185310abb5fbe7d2840d62657ec8984786a3765473280f3cf8ecac9de3dfa044a53d3bc9bfdba3a32af930e978ab61db71a955

                  • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\57nap2zl.default-release\prefs-1.js

                    Filesize

                    6KB

                    MD5

                    6b649eaba8d1b983d77d600ae758ccf4

                    SHA1

                    76a4b4a30108981aca604f03cf7486fe0c8cbf59

                    SHA256

                    60273faad05eb0eb13120f20a9aba1ec6898266d6eb854d7451975de62563db6

                    SHA512

                    178d699ac3b257d2821b02fe03fcc15ecc4e95377c01bfef6753a6afa091c00313461fb378426196391030bfd5792f7a33db77a35ad33ad7704b8bf542586c1d

                  • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\57nap2zl.default-release\prefs-1.js

                    Filesize

                    7KB

                    MD5

                    158a9c424c1e683d32242268a334387b

                    SHA1

                    a81f235995a0d92ded2e757c9e417daf9293e572

                    SHA256

                    b9259d9e775d01b045b1dd18ae0b9504533b2ee4e5d9eec53e68aaf741d08f0e

                    SHA512

                    0518ed7c32bd72a959c4b4a763f2f15645c80bd40819de7dccb289e9f61ce9075d1e93e245b21a7708621e675db88ff93582f7cdce7de131f0bc6e6c658dad82

                  • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\57nap2zl.default-release\prefs-1.js

                    Filesize

                    7KB

                    MD5

                    01ddb9a9c8c9e4798a010b46c2ede331

                    SHA1

                    40be556d51f1fda1db15729cd1d73364a8f76637

                    SHA256

                    69ca7c2f178d5a9808c7f7ff33e34e36994b5f0f8bd89cd05f12f7392cf7b4e3

                    SHA512

                    5eef9bbdcb389fcdfa2b3a36db702bbbad16c89dc9451614c9f77a3931bd110713638fbea9be8a48f81f121768456e0032d5262dff57e8fd631c78e229dc7633

                  • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\57nap2zl.default-release\prefs-1.js

                    Filesize

                    8KB

                    MD5

                    219b4aab7961dad2f87e2d74333fdd05

                    SHA1

                    4ca7d9df574fd658dc8a4e56adb1411e5a364d07

                    SHA256

                    bbfe74bf4074ba4817679aebd57f9f02173ec57b844eb5f2a48439bd94ca67bc

                    SHA512

                    870c4b65f4a16a7f1b7298ddd0f89a371e91995c7327b9ec075fcd3cdcc8f34a8d35e42a044ef0f6cd229211cbe32da6df92aa5e5fb6dde369c7c61723e09eb7

                  • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\57nap2zl.default-release\prefs-1.js

                    Filesize

                    6KB

                    MD5

                    abfd7346075a58504c6c103c72af0cfc

                    SHA1

                    46c3fd843dde1af9b7dbc0b1f365ee4750b262cd

                    SHA256

                    95b759640dfd0bd0b703a2414167d7ffd9c15498c79bf3eec7ebfb8d62a991da

                    SHA512

                    bf412bb58728db3e67179edb1d826610b4fb1341295bf42b16a6d50f6077fed8fecc35b703b82f1cd5dbb93a84b2fe753f6f5cfb60e4c5a0b572c18a80064397

                  • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\57nap2zl.default-release\prefs.js

                    Filesize

                    6KB

                    MD5

                    feb8a52858c8167a58f36caa1b37f116

                    SHA1

                    7ae7f9d2721ae3c579f9e18e4fea679e8c848158

                    SHA256

                    adbc4c7b5e775c3d401ae811d5be5a69b844f5937e3d0a416d374dd5a7ec227a

                    SHA512

                    109d42ec5b9744b3561d29a9cabdcf2ffb81233935fa5c2d80c39f27b92ae55366c3c51ae3d26cc1a8936635662acbd11af89e54efac374aceaa279f13e7dc16

                  • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\57nap2zl.default-release\sessionstore-backups\recovery.jsonlz4

                    Filesize

                    2KB

                    MD5

                    e05f16fbc99d171fae8c15a2afce00bb

                    SHA1

                    2dc765d8c0f9161b6c1442b493f336105ebd71f4

                    SHA256

                    d1a578eddbc1e0ebfb1a39aaa7003b8bb0355f967196be5237653ece95f1592e

                    SHA512

                    6460a6e134ef17f85d5b11d799f710d5ccb7d4159999b2f41c53002783c9014e136874292f59e7055bb80a80ff2698ec2f8b4a82d52352c2c37bb8cf7a945946