Resubmissions

21/02/2024, 23:40

240221-3n972shc29 6

21/02/2024, 23:15

240221-28vgnaha26 6

Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240221-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21/02/2024, 23:15

General

  • Target

    startup.exe

  • Size

    2.7MB

  • MD5

    0c3c4751da6a247b3229c8a94b40fc74

  • SHA1

    0e783415e91f632bc74240bee35463fcc049c283

  • SHA256

    d40d7b877916f9c27391436f740430a4ad8fccfe1300cb86b8518f790d33a6a9

  • SHA512

    24a0247c66624648ec47048846e5d79e09460f0053699d97c9b450c5168f9fc7d99738a2b916e905bbe5d07b62d71163d2a1bf50114603fe050c2087f66065e6

  • SSDEEP

    49152:UA4GxC0r4i4zQwmGmgetbQG5pXWVg9tq2Kqjgyi79nb3Ug5G2Pju1yg7JWdLn:ZFrR4zQ/gKbQ45870gzRdAlK

Score
6/10

Malware Config

Signatures

  • Checks for any installed AV software in registry 1 TTPs 45 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • 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
  • Runs regedit.exe 1 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 8 IoCs
  • Suspicious use of SendNotifyMessage 7 IoCs
  • Suspicious use of SetWindowsHookEx 5 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\startup.exe
    "C:\Users\Admin\AppData\Local\Temp\startup.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:888
    • C:\Users\Admin\AppData\Local\Temp\{48db9351-d10f-11ee-b7a4-7a44028241b9}\startup.exe
      "C:\Users\Admin\AppData\Local\Temp\{48db9351-d10f-11ee-b7a4-7a44028241b9}\startup.exe" /-nodrop /-"install=C:\Users\Admin\AppData\Local\Temp"
      2⤵
      • Checks for any installed AV software in registry
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of SetWindowsHookEx
      PID:5004
  • C:\Windows\regedit.exe
    "C:\Windows\regedit.exe"
    1⤵
    • Runs regedit.exe
    • Suspicious behavior: GetForegroundWindowSpam
    PID:4076
  • C:\Windows\SysWOW64\werfault.exe
    werfault.exe /h /shared Global\82fc322556f5435b8191d7728c4b16e1 /t 752 /p 5004
    1⤵
      PID:2468
    • C:\Windows\System32\rundll32.exe
      C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
      1⤵
        PID:2312
      • C:\Program Files\Mozilla Firefox\firefox.exe
        "C:\Program Files\Mozilla Firefox\firefox.exe"
        1⤵
        • Suspicious use of WriteProcessMemory
        PID:552
        • 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:4460
          • C:\Program Files\Mozilla Firefox\firefox.exe
            "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4460.0.1776228708\659501000" -parentBuildID 20221007134813 -prefsHandle 1872 -prefMapHandle 1864 -prefsLen 20749 -prefMapSize 233444 -appDir "C:\Program Files\Mozilla Firefox\browser" - {daad1fd7-b723-4a58-85e3-3d99b0ab10b3} 4460 "\\.\pipe\gecko-crash-server-pipe.4460" 1964 1456fdf5258 gpu
            3⤵
              PID:4796
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4460.1.81757922\192740794" -parentBuildID 20221007134813 -prefsHandle 2352 -prefMapHandle 2348 -prefsLen 20785 -prefMapSize 233444 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {292e4802-4c73-4938-8943-db6c0eb5c5f0} 4460 "\\.\pipe\gecko-crash-server-pipe.4460" 2364 1456f934f58 socket
              3⤵
                PID:4936
              • C:\Program Files\Mozilla Firefox\firefox.exe
                "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4460.2.521673203\1492707981" -childID 1 -isForBrowser -prefsHandle 3120 -prefMapHandle 3136 -prefsLen 20823 -prefMapSize 233444 -jsInitHandle 1340 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {f437862d-02ba-41de-b3a6-6f635772b8f9} 4460 "\\.\pipe\gecko-crash-server-pipe.4460" 3112 14573feab58 tab
                3⤵
                  PID:984
                • C:\Program Files\Mozilla Firefox\firefox.exe
                  "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4460.3.1956828518\1624542745" -childID 2 -isForBrowser -prefsHandle 3592 -prefMapHandle 3588 -prefsLen 26066 -prefMapSize 233444 -jsInitHandle 1340 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {0ed6ed39-41e4-4446-b5a8-4b7df86914da} 4460 "\\.\pipe\gecko-crash-server-pipe.4460" 3604 14563569f58 tab
                  3⤵
                    PID:3752
                  • C:\Program Files\Mozilla Firefox\firefox.exe
                    "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4460.4.2068373785\1567863795" -childID 3 -isForBrowser -prefsHandle 4168 -prefMapHandle 4360 -prefsLen 26125 -prefMapSize 233444 -jsInitHandle 1340 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {c9756f5d-e0f3-43c3-9ea5-397264e67bac} 4460 "\\.\pipe\gecko-crash-server-pipe.4460" 4320 14575d39258 tab
                    3⤵
                      PID:1984
                    • C:\Program Files\Mozilla Firefox\firefox.exe
                      "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4460.7.159187690\71100469" -childID 6 -isForBrowser -prefsHandle 5432 -prefMapHandle 5436 -prefsLen 26125 -prefMapSize 233444 -jsInitHandle 1340 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {1d886e05-a3bf-4c70-94b0-b7f43ace8cb3} 4460 "\\.\pipe\gecko-crash-server-pipe.4460" 5424 145766f4258 tab
                      3⤵
                        PID:3172
                      • C:\Program Files\Mozilla Firefox\firefox.exe
                        "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4460.6.883542730\23288430" -childID 5 -isForBrowser -prefsHandle 5240 -prefMapHandle 5244 -prefsLen 26125 -prefMapSize 233444 -jsInitHandle 1340 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {a1da4a2e-554b-4117-8d46-69f11ae9c38e} 4460 "\\.\pipe\gecko-crash-server-pipe.4460" 5232 1457624e858 tab
                        3⤵
                          PID:3372
                        • C:\Program Files\Mozilla Firefox\firefox.exe
                          "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4460.5.1570495591\1968594455" -childID 4 -isForBrowser -prefsHandle 5052 -prefMapHandle 5036 -prefsLen 26125 -prefMapSize 233444 -jsInitHandle 1340 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {b15b3c7f-6e67-492b-8835-277b23ac59a3} 4460 "\\.\pipe\gecko-crash-server-pipe.4460" 5088 145743bbf58 tab
                          3⤵
                            PID:1132
                          • C:\Program Files\Mozilla Firefox\firefox.exe
                            "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4460.8.1178032502\903168944" -childID 7 -isForBrowser -prefsHandle 5936 -prefMapHandle 3756 -prefsLen 26206 -prefMapSize 233444 -jsInitHandle 1340 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {2b6c320a-3a7d-440d-b120-81fe1e1fa356} 4460 "\\.\pipe\gecko-crash-server-pipe.4460" 5924 14576242458 tab
                            3⤵
                              PID:208

                        Network

                              MITRE ATT&CK Enterprise v15

                              Replay Monitor

                              Loading Replay Monitor...

                              Downloads

                              • C:\Users\Admin\AppData\Local\Mozilla\Firefox\Profiles\nu9755ph.default-release\cache2\entries\8DD38B1D2E458601D2CA0C084D148B982678448E

                                Filesize

                                204KB

                                MD5

                                5fdc26992229db497d98aa88fc437241

                                SHA1

                                b281c749c68500947c8168a55247883b24f675f4

                                SHA256

                                22f01da36db1a9a9d08066e03ba8237e1017afce04522f3b5f8c2906ccce4d32

                                SHA512

                                ca0d2dc62a6454549deb36ac211336ad446fa53f31957c525fe2af445ebf8333f82e5cf4724767d5cbf143be53a0d2f66dcdaeaa8e1850ec83161ea9eaa18be4

                              • C:\Users\Admin\AppData\Local\Mozilla\Firefox\Profiles\nu9755ph.default-release\cache2\entries\A5A3B31DF8B532A9B698C19AF9B2B0ED0F48FF1C

                                Filesize

                                57KB

                                MD5

                                bb5da115fd467344fd6f8039654ac632

                                SHA1

                                3f48d1b5d2bef8e657caa145845c4340d12cc146

                                SHA256

                                cba272c6ff4f024d72a546c92dd442b44c54e8ae281980c3b8061ab561833875

                                SHA512

                                5d30d2cc25f703f23cd91a32b10b435c4154e6225504c542eb165a04ef5b08a39d4b4f1a8ba36c17567f4994615c1694b494c065a05b8fb9c106ecb567038151

                              • C:\Users\Admin\AppData\Local\Temp\{48db9351-d10f-11ee-b7a4-7a44028241b9}\startup.exe

                                Filesize

                                1.8MB

                                MD5

                                9cc9b31d4e4ba51f103baaaf22deee28

                                SHA1

                                600c2b9651d411943e425a271599bd4e63251253

                                SHA256

                                ea247fae19abf44e3788bd76e0fa696dd51c0c31119b489b2c910f06489cdcd9

                                SHA512

                                e66beac05548e71e3078761514369099a2a41de33ee72e56084280921f7f1ebf6b3df1042056b5437bfbb620a8f752f048721c2c6416aae2fa8fab1ec1c5d2a6

                              • C:\Users\Admin\AppData\Local\Temp\{48db9351-d10f-11ee-b7a4-7a44028241b9}\startup.exe

                                Filesize

                                2.7MB

                                MD5

                                0c3c4751da6a247b3229c8a94b40fc74

                                SHA1

                                0e783415e91f632bc74240bee35463fcc049c283

                                SHA256

                                d40d7b877916f9c27391436f740430a4ad8fccfe1300cb86b8518f790d33a6a9

                                SHA512

                                24a0247c66624648ec47048846e5d79e09460f0053699d97c9b450c5168f9fc7d99738a2b916e905bbe5d07b62d71163d2a1bf50114603fe050c2087f66065e6

                              • C:\Users\Admin\AppData\Local\Temp\{48e9dfad-d10f-11ee-b7a4-7a44028241b9}\SETUP.DLL

                                Filesize

                                7.3MB

                                MD5

                                77b8c752e366381fb8f9ecb5da969d10

                                SHA1

                                52ad6ef1a9d1dc0d4eaaa8db7246f49846ecbab4

                                SHA256

                                80af3f4eea24dcd733165eabeb409fc8f2ec966cf172a59b1d672c0ff2e67481

                                SHA512

                                d5c06d47a64b2f1d1e6a584ee4183390fc75f5f1995baae17522a9db7764c6a66eec13e3be1814d7117552fcbda9ba43ec5bb12e3618588731c54d2d9938b1cd

                              • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\nu9755ph.default-release\datareporting\glean\db\data.safe.bin

                                Filesize

                                9KB

                                MD5

                                71ac3653be38ffe001a8ce690823e78c

                                SHA1

                                78c29fd1dd946bc2974fabbf649d2d9d5821ff42

                                SHA256

                                7114d5ccc5886c9c49dd0d13bff2bb5babbacb7e1b363e88751e72d85b9c6cab

                                SHA512

                                1270accf2c552a3c2ccc65b3f9927097048914b103c1e290c36fba0dafcf696ec193c300698f936115c832070be2a83d059d69b659fe96ce685f7931463c826c

                              • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\nu9755ph.default-release\datareporting\glean\pending_pings\abae9deb-20d8-4f90-9f44-5e769f3b5879

                                Filesize

                                734B

                                MD5

                                8ba76e769d1c316e4c69b9bd0967085b

                                SHA1

                                417d7810d111cddcda22fbc71afb14e0672acfab

                                SHA256

                                04f7fd34dad686ffb3f9316412176eb4e8a462be7d85c39559051570dd1499c1

                                SHA512

                                6157d46ec3bbe94b82949aba0e22c248641bf424995fb54b0dbf8cdc12fa3aff6b75d96677884d9b2ddf29463696c82927e1e0c880e2a6a97213c4c74742bc51

                              • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\nu9755ph.default-release\prefs-1.js

                                Filesize

                                6KB

                                MD5

                                a51e93806bfb0871bd383c8ba4ea8985

                                SHA1

                                9707f820c45049e264e9aaa1b6834ecfc8ef6cbf

                                SHA256

                                72b0fcd38ca81d02094b49457c8b3b730067aa48af265c180d80ee31d67fa977

                                SHA512

                                216cb3936c230d9137bfd1a9c36e012ca17b4c6aa8027f6e3f129f2bedb44adab0a0a399f51e5da210e087cbf272d596b1681c21d0818f398cf56d88c4cbf5a6

                              • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\nu9755ph.default-release\prefs-1.js

                                Filesize

                                6KB

                                MD5

                                8afd7f7c572446b75aee8b27917ca04c

                                SHA1

                                c646dd6699d42ce52677f1807a4a5fffb1ec0d52

                                SHA256

                                7f589bb949a0afb458d4e5f7bb6078db41e74b954bec1fd38e2e946db30ed4bb

                                SHA512

                                44d950bcfc39b7bfa56cc7bd34675e4b30b62c3b661d35f80e432d1ec7f0467af41294a0cbfd711f54856d73e348b59f4ad1c6718698d5c6a3165fe97efa12e9

                              • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\nu9755ph.default-release\prefs-1.js

                                Filesize

                                6KB

                                MD5

                                a6136bc1af4dde2b89cb1ad8d424d074

                                SHA1

                                9f991ff91376b82ffab2b2365c7b3a2013aba554

                                SHA256

                                028a70fad106b045be0434f1367f49ec802bbcba90dc00f253c1c8708318ec7a

                                SHA512

                                72a8071083690377b525736c1c35166b844780498e228860d3affd14b2c9bf77dd2eaca9044d04b9d5f8ef05dc63f8b7ca850f5325fd776cc2f24efee515ecae

                              • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\nu9755ph.default-release\prefs.js

                                Filesize

                                6KB

                                MD5

                                8d40d925cbe77c539e99db643da247ce

                                SHA1

                                2891a01749149310dec765b46e9b69ca1e2cd80c

                                SHA256

                                72f5a471c9e78bb20bd8a5e155604e1735c7e2404c65968faa3bcb0dc8677b0b

                                SHA512

                                55c72e6bf179c59370d829f009ecd0558c38036d802a9f31148a34c6b3b4b924b5310c30162b9de5324e9470c0940b35afe0f5ab8fdc17d71905134bdbdd8dee

                              • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\nu9755ph.default-release\sessionstore-backups\recovery.jsonlz4

                                Filesize

                                4KB

                                MD5

                                ba19ce97d39c1d618fc308f88cb97b08

                                SHA1

                                4c7f80ea8057105b6844a8647285cf8bc9e262ef

                                SHA256

                                5f27e4d33b0be2ce690ce07eab4195a2c108cc9bab11754f147590b7ac81e9a0

                                SHA512

                                37119f9fec764a1dcaa57de81cfa6826c25fd6eee1b2b31563b916296f5d9635c3de662fc74185378e8976e40c7fbaf9da356af6754be9819ece4ede00840537

                              • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\nu9755ph.default-release\sessionstore-backups\recovery.jsonlz4

                                Filesize

                                4KB

                                MD5

                                014734e65a3130ac04e0ba516bcc59b7

                                SHA1

                                b4ce255172c7c8b509ba4761be515b0f55b67b6e

                                SHA256

                                7e2d2f8979c26f1ee0fa160885f2eef857ed07099ec8733a0f25f8d058b7844d

                                SHA512

                                70196ab31a7856cc50dd3f18f1e6336fda2251533ada92c178af1de5fb8e7c90651e691a74a7cbbfdfc8751d0b6edc08854d2ddc1028edd78bb4b48c327596aa

                              • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\nu9755ph.default-release\sessionstore-backups\recovery.jsonlz4

                                Filesize

                                3KB

                                MD5

                                e5bd62e291e30b51e9add0ec122d8bfb

                                SHA1

                                e3ce3cdcd8bd265b2bb170a2fb68551b159348a6

                                SHA256

                                4410cee155a36fb3ffcafac1b028a499e9d7e66125fd80cb1feeab0d2054012f

                                SHA512

                                0f0feed312963585cd14a7dabb23865d597a09825a2abd6d8aec1bcb7aaa07284c14691b98601aa8e9ef24b98918a2e86ba2e8356ca0e5cfdd8932a10609d115

                              • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\nu9755ph.default-release\sessionstore-backups\recovery.jsonlz4

                                Filesize

                                4KB

                                MD5

                                9e0010282f67aa122bd521236032bf64

                                SHA1

                                0f7ea32a50a4848ed52662635d1f88a27e7617cf

                                SHA256

                                e0a8df28c12fb7e786e311344bd7d17c3c12eb46b9e70f9ef73adfc385b9a749

                                SHA512

                                3bee17d9978ca30a8534ddaa2ae620a03768f032ba3bc304af155bf230cf027cb644f6a22bfaf83bd613384e36ddbfea24083fa913bcb071aa19a58636db9567