Resubmissions

04-04-2024 19:30

240404-x7xheagb3y 3

04-04-2024 19:26

240404-x51r2sgg36 3

Analysis

  • max time kernel
    1323s
  • max time network
    1146s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240221-en
  • resource tags

    arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    04-04-2024 19:30

General

  • Target

    fat32format.exe

  • Size

    48KB

  • MD5

    f991a44f667fe67f435c42f9b26e22fb

  • SHA1

    8271bbf858c7da95874ade99792d149c382bb426

  • SHA256

    d5320a127374af23139730f0d01aee8195e5fe15b63c35d48d80930abbf7f5cb

  • SHA512

    d44565998f3370c9e9e3b22e8f51845c326c63906b9f8ac3237973e380f91dacd14c5897f5e7cf32cba7897cd3f7bc67aef143a7075c6c59048d1155e5be48b0

  • SSDEEP

    768:mqCayQQoM+XYVjQ52h57Xo5DiB9yQy2gQuOoj+Pb81haKEcE+:HCaSowQ52h5O2RoG+

Score
1/10

Malware Config

Signatures

  • Checks processor information in registry 2 TTPs 8 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 2 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:\Users\Admin\AppData\Local\Temp\fat32format.exe
    "C:\Users\Admin\AppData\Local\Temp\fat32format.exe"
    1⤵
      PID:652
    • C:\Windows\System32\rundll32.exe
      C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
      1⤵
        PID:3444
      • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\MiniSearchHost.exe
        "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\MiniSearchHost.exe" -ServerName:MiniSearchUI.AppXj3y73at8fy1htwztzxs68sxx1v7cksp7.mca
        1⤵
        • Suspicious use of SetWindowsHookEx
        PID:4820
      • C:\Program Files\Mozilla Firefox\firefox.exe
        "C:\Program Files\Mozilla Firefox\firefox.exe"
        1⤵
        • Suspicious use of WriteProcessMemory
        PID:4964
        • 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 SendNotifyMessage
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:1928
          • C:\Program Files\Mozilla Firefox\firefox.exe
            "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="1928.0.1652185342\270460753" -parentBuildID 20221007134813 -prefsHandle 1744 -prefMapHandle 1736 -prefsLen 20669 -prefMapSize 233414 -appDir "C:\Program Files\Mozilla Firefox\browser" - {71d2254c-502b-4e33-83dc-09c22aeb4484} 1928 "\\.\pipe\gecko-crash-server-pipe.1928" 1836 1e9049d8d58 gpu
            3⤵
              PID:5052
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="1928.1.169440851\1041196445" -parentBuildID 20221007134813 -prefsHandle 2200 -prefMapHandle 2196 -prefsLen 20705 -prefMapSize 233414 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {245c075b-1853-4ee9-ba0e-a4405ca747c6} 1928 "\\.\pipe\gecko-crash-server-pipe.1928" 2212 1e97896c258 socket
              3⤵
              • Checks processor information in registry
              PID:4568
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="1928.2.1837580361\1014703930" -childID 1 -isForBrowser -prefsHandle 3064 -prefMapHandle 3060 -prefsLen 20808 -prefMapSize 233414 -jsInitHandle 1348 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {fb8ba80b-35c7-4170-a3e8-174063a2d0df} 1928 "\\.\pipe\gecko-crash-server-pipe.1928" 3080 1e909cbec58 tab
              3⤵
                PID:2284
              • C:\Program Files\Mozilla Firefox\firefox.exe
                "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="1928.3.1610419343\1324179913" -childID 2 -isForBrowser -prefsHandle 1572 -prefMapHandle 1608 -prefsLen 25986 -prefMapSize 233414 -jsInitHandle 1348 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {739fce0b-1d0e-4ed0-bf3a-1778fd4ce323} 1928 "\\.\pipe\gecko-crash-server-pipe.1928" 3284 1e907524658 tab
                3⤵
                  PID:2908
                • C:\Program Files\Mozilla Firefox\firefox.exe
                  "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="1928.4.1532399312\62307591" -childID 3 -isForBrowser -prefsHandle 3928 -prefMapHandle 3924 -prefsLen 25986 -prefMapSize 233414 -jsInitHandle 1348 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {4074a433-b4bc-4724-bb07-15b76a324ebf} 1928 "\\.\pipe\gecko-crash-server-pipe.1928" 3940 1e90aba7458 tab
                  3⤵
                    PID:640
                  • C:\Program Files\Mozilla Firefox\firefox.exe
                    "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="1928.5.151117725\1023241390" -childID 4 -isForBrowser -prefsHandle 4108 -prefMapHandle 4720 -prefsLen 26045 -prefMapSize 233414 -jsInitHandle 1348 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {98be4a20-cc71-4b1b-83cb-defeddb1ac9d} 1928 "\\.\pipe\gecko-crash-server-pipe.1928" 4780 1e90ba8ec58 tab
                    3⤵
                      PID:1468
                    • C:\Program Files\Mozilla Firefox\firefox.exe
                      "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="1928.6.470889612\2075433697" -childID 5 -isForBrowser -prefsHandle 4940 -prefMapHandle 4944 -prefsLen 26045 -prefMapSize 233414 -jsInitHandle 1348 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {b0c9e903-1104-48c1-8843-d76560f00a74} 1928 "\\.\pipe\gecko-crash-server-pipe.1928" 5020 1e90ba8cb58 tab
                      3⤵
                        PID:2524
                      • C:\Program Files\Mozilla Firefox\firefox.exe
                        "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="1928.7.1879322935\629690004" -childID 6 -isForBrowser -prefsHandle 5232 -prefMapHandle 5228 -prefsLen 26045 -prefMapSize 233414 -jsInitHandle 1348 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {542acb3b-e5be-470e-b5a5-992cff886dab} 1928 "\\.\pipe\gecko-crash-server-pipe.1928" 5148 1e90ba50158 tab
                        3⤵
                          PID:4952
                        • C:\Program Files\Mozilla Firefox\firefox.exe
                          "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="1928.8.844792306\1430443713" -childID 7 -isForBrowser -prefsHandle 1520 -prefMapHandle 412 -prefsLen 28701 -prefMapSize 233414 -jsInitHandle 1348 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {ea797c0f-55d4-4970-b326-d2ebec66cdf8} 1928 "\\.\pipe\gecko-crash-server-pipe.1928" 5544 1e90eb9a058 tab
                          3⤵
                            PID:4352

                      Network

                      MITRE ATT&CK Enterprise v15

                      Replay Monitor

                      Loading Replay Monitor...

                      Downloads

                      • C:\Users\Admin\AppData\Local\Mozilla\Firefox\Profiles\6vr1qaxh.default-release\cache2\entries\C72D4296C2EBC6FD41A9F780CD0C8F30F0FF937C

                        Filesize

                        13KB

                        MD5

                        5f12795e4bc42a374bce3445effa476f

                        SHA1

                        2ed818e59d3d9c7737e1855732c2643061f860fe

                        SHA256

                        b3b48ee1571127cc56ea221cdc78a405bf940cb7faeb6283cd2538f3c5fa5f5c

                        SHA512

                        6453003a9af7a9432761fedb926e7f2d72b120608477520829b59bf3a9ac394a346530bbf3f7da300d4586df7d37d658f53859a4c6a7a1aaf0f37c1e70765097

                      • 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\6vr1qaxh.default-release\datareporting\glean\db\data.safe.bin

                        Filesize

                        2KB

                        MD5

                        09158d79d8431d33399281811d29026a

                        SHA1

                        e5d2b110b43ea92c745c16da741d991a532e0c97

                        SHA256

                        7dd284cb9a9f282794840fadf251ac9acfb4b5d7fd68efb7969c777051002c39

                        SHA512

                        4961f06c6fa16b6138e197a9f86b2a0bfbd00b0db735222bcaf93405c127a3ea2ac417cd56e155825bb2e6889ac8118aecbd61ada3402338cd8752e39995ed65

                      • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\6vr1qaxh.default-release\datareporting\glean\pending_pings\35cfcf2f-21d6-4d0c-96ff-6db9f135ef89

                        Filesize

                        746B

                        MD5

                        0ecccf9afeff57e452c640c8fca8bfd4

                        SHA1

                        f8b447ca69272a5924c952195faccb578741bc02

                        SHA256

                        5c38f084d6beba9e6baf9981f6d4d477e9b5cebff6d800a75cdcf5f360e3825c

                        SHA512

                        422577fd1f16939d810e98b9a3066201a9f0b94598844f1abd597c2179650e32bdeb1f5442dbe0c9e1dc47db2dd50a0a5a9591faa4b5731a5d16cd9982f3a3fe

                      • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\6vr1qaxh.default-release\datareporting\glean\pending_pings\b4b88776-a300-4d1c-aa57-e65cb61f62c3

                        Filesize

                        12KB

                        MD5

                        732aa678718a22bd876d55d1fa15103c

                        SHA1

                        451590c77d32ecf09b3945708c0440b0e108c6f6

                        SHA256

                        35354ea1db24af524c8fd71173baa35e2d6209120f69be9cbdf3940314f5dc51

                        SHA512

                        455b55b5b81ed6bfb6bb9b22d0c5d2fb876e0a667a8c7370f0e72e48fe16d694eeba9e3250a43eb7ca2c2486cadde156ab82dc9b7c8f5d18b8462abdb2b18465

                      • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\6vr1qaxh.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\6vr1qaxh.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\6vr1qaxh.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\6vr1qaxh.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\6vr1qaxh.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\6vr1qaxh.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\6vr1qaxh.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\6vr1qaxh.default-release\prefs-1.js

                        Filesize

                        8KB

                        MD5

                        74b687dda4f0eb2f41a3e7cd9ad2e810

                        SHA1

                        ba584dc5eb24a6430f5e3fb4f3f8ac35db4f5f01

                        SHA256

                        21e76202354d29d8464e4d3fc48588b2a136944b8da07ae7d8af6a25a362ee11

                        SHA512

                        b8edae4cb983fa80b327e6fba437bed01ae9747d3e279d86deb9689adc7ca3d2ca21a18973c93f187976c3ae399b25bce5c150375243283fb1adf7a732ae9820

                      • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\6vr1qaxh.default-release\prefs-1.js

                        Filesize

                        7KB

                        MD5

                        dfae1ca79f2ed627b988aed3d0ed14a6

                        SHA1

                        83de3f364120a8fb2d4d9d5123bc982f25615774

                        SHA256

                        8a8814095f68487417cdbabe6c9fe51507a61bcd869aa2d04e7d3d752a4e9ac1

                        SHA512

                        a1613b97bc167eb1cbf8ba3a95cbcd970b2ad765dab20eabcf07d5211ba255979c75f83256731eba1142a8ca6648c2b6bc4fcc9355268fe3e0b9622cb9decc20

                      • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\6vr1qaxh.default-release\prefs-1.js

                        Filesize

                        6KB

                        MD5

                        f6c53f30ec3ce1fcc8692dbd68685746

                        SHA1

                        fd277d448b285f6024afb7425625a4944610562b

                        SHA256

                        e8d0b364d92265bfdb15c69be1e479b1d314f329dea874f7cb99f8e322db3670

                        SHA512

                        3e96472f8945573da55d47cf35be9b87a78f0f15945a894ae3b5bca605709c43c41b716ebf96f3823c380e32421483528720cd290666e3a90049e1b3324f5f84

                      • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\6vr1qaxh.default-release\sessionstore-backups\recovery.jsonlz4

                        Filesize

                        1KB

                        MD5

                        c0bba3050b925760d265e4b4f72c72fc

                        SHA1

                        7dd1145f425d35a9a23998681d01ba65414783e3

                        SHA256

                        3f3564e737f0a38bd4802c720f35926505c13619823c8a016daa779633a60b93

                        SHA512

                        80744aacea2abdccf777dd6ca9b7a765fb35db17ccb1b9c809597743b29f618786d12400533c756c750b4a4742ec9038332f16ce17d34eb941dd2b4b73b39802

                      • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\6vr1qaxh.default-release\sessionstore-backups\recovery.jsonlz4

                        Filesize

                        1KB

                        MD5

                        b7389c8eae105f835f19dbb03725abf1

                        SHA1

                        1aefdb5574c3b820a1ab3e3483c45129d34671ae

                        SHA256

                        006dec5797eeab14f51f17ad790b3c33de0e43d207bf938c48ce11541680fd59

                        SHA512

                        8798188ef397286b1ae97e2df80c15ba48f0bc5018194a8420a3bf97748c2a9c7daa2321381493e3c31148b1260318bf44c79483913d197aa6d783f79a6644bd

                      • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\6vr1qaxh.default-release\sessionstore-backups\recovery.jsonlz4

                        Filesize

                        1KB

                        MD5

                        7ebc8624eaff16ca79f492f76f33b799

                        SHA1

                        e808be024051e4ad5c83e769063614172088a16c

                        SHA256

                        0e017c3a997f7819e6049bcd332668cb9bb3c53e224f82c3697184f562aaa255

                        SHA512

                        dd7b8861fa2b3efc0460ea44d6ec927fa3f7ba7cb70e9e61ec5a4f12ec3642d2104c2c2612c1819aa628993e3e7a03906fa8f89ce59e3ab0750fb6291054dc83

                      • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\6vr1qaxh.default-release\sessionstore.jsonlz4

                        Filesize

                        4KB

                        MD5

                        e29b24687bc419c059481269f797d1a3

                        SHA1

                        3390a8d2e7187c18fdbf73bab43476cc1cd8e756

                        SHA256

                        17530618e144a2c1d0bda2c8efe698e3a203a6641d71ee21b1c2eb7f0d041c04

                        SHA512

                        28ae822e53705a040a0393be0f8e358865004ffd3c7deaa2b8f81fa4ae42b732ee3c5a7db689654cd35ce7a794dd51696aebf1150796cd9cd7670be2ab4a3c1b