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Resubmissions

20/03/2023, 19:34

230320-x94phafb22 7

20/03/2023, 19:32

230320-x84m4sfa95 1

20/03/2023, 19:29

230320-x69rcaha5w 1

Analysis

  • max time kernel
    90s
  • max time network
    87s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20/03/2023, 19:32

General

  • Target

    https://mega.nz/file/FCxAjbJQ#4uTFkJCnbQ_aXMkoaId8cKQWso9VvB1BXQP-HEfMFxM

Score
1/10

Malware Config

Signatures

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies Internet Explorer settings 1 TTPs 42 IoCs
  • Modifies data under HKEY_USERS 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 28 IoCs
  • Suspicious use of SendNotifyMessage 24 IoCs
  • Suspicious use of SetWindowsHookEx 10 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe" https://mega.nz/file/FCxAjbJQ#4uTFkJCnbQ_aXMkoaId8cKQWso9VvB1BXQP-HEfMFxM
    1⤵
    • Modifies Internet Explorer settings
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4596
    • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4596 CREDAT:17410 /prefetch:2
      2⤵
      • Modifies Internet Explorer settings
      • Suspicious use of SetWindowsHookEx
      PID:1760
  • C:\Program Files\Google\Chrome\Application\chrome.exe
    "C:\Program Files\Google\Chrome\Application\chrome.exe"
    1⤵
    • Enumerates system info in registry
    • Modifies data under HKEY_USERS
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:852
    • C:\Program Files\Google\Chrome\Application\chrome.exe
      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" --url=https://clients2.google.com/cr/report --annotation=channel= --annotation=plat=Win64 --annotation=prod=Chrome --annotation=ver=106.0.5249.119 --initial-client-data=0xfc,0x100,0x104,0xd8,0x108,0x7ffadbe09758,0x7ffadbe09768,0x7ffadbe09778
      2⤵
        PID:808
      • C:\Program Files\Google\Chrome\Application\chrome.exe
        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=1784 --field-trial-handle=1868,i,14613695585588996270,8980608590237546057,131072 /prefetch:2
        2⤵
          PID:400
        • C:\Program Files\Google\Chrome\Application\chrome.exe
          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2156 --field-trial-handle=1868,i,14613695585588996270,8980608590237546057,131072 /prefetch:8
          2⤵
            PID:2196
          • C:\Program Files\Google\Chrome\Application\chrome.exe
            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2228 --field-trial-handle=1868,i,14613695585588996270,8980608590237546057,131072 /prefetch:8
            2⤵
              PID:3544
            • C:\Program Files\Google\Chrome\Application\chrome.exe
              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --enable-chrome-cart --lang=en-US --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=3336 --field-trial-handle=1868,i,14613695585588996270,8980608590237546057,131072 /prefetch:1
              2⤵
                PID:4516
              • C:\Program Files\Google\Chrome\Application\chrome.exe
                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --enable-chrome-cart --first-renderer-process --lang=en-US --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --renderer-client-id=6 --mojo-platform-channel-handle=3192 --field-trial-handle=1868,i,14613695585588996270,8980608590237546057,131072 /prefetch:1
                2⤵
                  PID:3296
                • C:\Program Files\Google\Chrome\Application\chrome.exe
                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --enable-chrome-cart --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --renderer-client-id=7 --mojo-platform-channel-handle=4512 --field-trial-handle=1868,i,14613695585588996270,8980608590237546057,131072 /prefetch:1
                  2⤵
                    PID:4352
                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=4680 --field-trial-handle=1868,i,14613695585588996270,8980608590237546057,131072 /prefetch:8
                    2⤵
                      PID:1764
                    • C:\Program Files\Google\Chrome\Application\chrome.exe
                      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=4672 --field-trial-handle=1868,i,14613695585588996270,8980608590237546057,131072 /prefetch:8
                      2⤵
                        PID:368
                      • C:\Program Files\Google\Chrome\Application\chrome.exe
                        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.ProcessorMetrics --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5108 --field-trial-handle=1868,i,14613695585588996270,8980608590237546057,131072 /prefetch:8
                        2⤵
                          PID:2536
                        • C:\Program Files\Google\Chrome\Application\chrome.exe
                          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5140 --field-trial-handle=1868,i,14613695585588996270,8980608590237546057,131072 /prefetch:8
                          2⤵
                            PID:4528
                        • C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe
                          "C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe"
                          1⤵
                            PID:3712
                          • C:\Program Files\Internet Explorer\iexplore.exe
                            "C:\Program Files\Internet Explorer\iexplore.exe"
                            1⤵
                            • Modifies Internet Explorer settings
                            • Suspicious use of FindShellTrayWindow
                            • Suspicious use of SetWindowsHookEx
                            PID:5800
                            • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                              "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:5800 CREDAT:17410 /prefetch:2
                              2⤵
                              • Modifies Internet Explorer settings
                              • Suspicious use of SetWindowsHookEx
                              PID:5764

                          Network

                          MITRE ATT&CK Enterprise v6

                          Replay Monitor

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                          Downloads

                          • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\Network Persistent State

                            Filesize

                            1KB

                            MD5

                            71299b4a7cc797a18b6bc2c65e6e4921

                            SHA1

                            9bfd74f15bc662c72789f41ada9c265bf5e3eabf

                            SHA256

                            14ee3f1075e1e91bd7252c1138b2e1e7285dd9d829e10a02b999bc3efe33cb01

                            SHA512

                            b22697c3a96d70b07a4362e35a2b71f8e066d9e6b24c157926e4cc7e43bfd939df0923cda389793bf4574917e44fed247aa2ebcb8cdbaea2d887771efebe4769

                          • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\TransportSecurity

                            Filesize

                            371B

                            MD5

                            dc2cb5816288f53a1fe1dee75b680fcf

                            SHA1

                            f7b67bdb00802165b320bdd95130fe87688489b5

                            SHA256

                            a8f7b3e5d52fad8dd91a0e9c66a79208d67b2a518cf7a754b5141e133e671e38

                            SHA512

                            32386f87f5bcd6da68b62fef6eac070a0017bbb80d306a06901d11610bd225409a5632bee8515cc28de478bd8651227d017a88c07e1a84651cdef94ea24d049a

                          • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences

                            Filesize

                            5KB

                            MD5

                            4f6874fd84f1518a8867ea5e35cf02fd

                            SHA1

                            aff3c42445690ccef2c0d245e80b462d9b2493b7

                            SHA256

                            a876e2115f48c1887422516667a6a19e04633ec02a07abb6cfb116601e911266

                            SHA512

                            cd8b9944908abab210debb87e1133c625d872a3fb35c5f0bd85085480a525d635920e960135a1328c4784b14bd86e86d7e0cda60d99022efe31732b9cffccc06

                          • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences

                            Filesize

                            5KB

                            MD5

                            fd462196545e32350e89cd933c0a27a7

                            SHA1

                            2db69c10bb1ec7f722a747a7868fbc4cbb099318

                            SHA256

                            92a8042a1e6297388499aee39dcbc68badf705f18f66076ae1b4fbc0b2ca1cb9

                            SHA512

                            590cec4f30e1e4d5d29072001da30648bcc1f96207520b6b17b767effcd117788f1a5d0df1e40526ec46de7ae6b724e14d0ab487394cf261f6837234bcbd175f

                          • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences

                            Filesize

                            5KB

                            MD5

                            9eb62ee1564a9f164d15b11d690f1824

                            SHA1

                            93b841111e7915b1130812e37b8f4cd3374d88c5

                            SHA256

                            adc09c4556a401d0c059984459a74f20762a655a461306ccafde1d44f7723d2a

                            SHA512

                            4f23807ac977fb42e9382e6612edb37cf21303668cc1b769576e18925f2bc59d04aa06b5dea418b3f4320532bfc5f58062282a39eeccfdee0bb74b01bb5d0a90

                          • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State

                            Filesize

                            144KB

                            MD5

                            d6cf131b0d31a3e41471a340e0a5e401

                            SHA1

                            c4181097b254c70ceca75f1cb192c29f965299d2

                            SHA256

                            c43fbf80471117f4ce69371400698edd3465831feae3d0a7633582e9cdfd3efe

                            SHA512

                            d21be2e206c4e1b300fa03ad3ea02486f3ce4939457797e5dcf62d210bf5caa9d0392e6764aabf4033e3540d8fa83b100656f893b7b8229dfb4c9861e9d25e6b

                          • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\persisted_first_party_sets.json

                            Filesize

                            2B

                            MD5

                            99914b932bd37a50b983c5e7c90ae93b

                            SHA1

                            bf21a9e8fbc5a3846fb05b4fa0859e0917b2202f

                            SHA256

                            44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a

                            SHA512

                            27c74670adb75075fad058d5ceaf7b20c4e7786c83bae8a32f626f9782af34c9a33c2046ef60fd2a7878d378e29fec851806bbd9a67878f3a9f1cda4830763fd

                          • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\imagestore\phzg4yt\imagestore.dat

                            Filesize

                            6KB

                            MD5

                            4190ab65bb1bdf63dcc670be4a620ef8

                            SHA1

                            323e874cf30e7bb797b04175cbde731677ba9ec2

                            SHA256

                            ec36ecb34d297416f686f7892e447b31350f152a206c12e1226569a80c8d30d8

                            SHA512

                            88fc25bbbaec23cce0e9e9dcd1ec596df029b957293b67347843d3ace3244c0ca73788226071c419a6c1e8772d6a6e73b394c65c7be778589d7024bbf6545436

                          • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\imagestore\phzg4yt\imagestore.dat

                            Filesize

                            6KB

                            MD5

                            4190ab65bb1bdf63dcc670be4a620ef8

                            SHA1

                            323e874cf30e7bb797b04175cbde731677ba9ec2

                            SHA256

                            ec36ecb34d297416f686f7892e447b31350f152a206c12e1226569a80c8d30d8

                            SHA512

                            88fc25bbbaec23cce0e9e9dcd1ec596df029b957293b67347843d3ace3244c0ca73788226071c419a6c1e8772d6a6e73b394c65c7be778589d7024bbf6545436

                          • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\4VT6R2QM\favicon[1].ico

                            Filesize

                            6KB

                            MD5

                            72f13fa5f987ea923a68a818d38fb540

                            SHA1

                            f014620d35787fcfdef193c20bb383f5655b9e1e

                            SHA256

                            37127c1a29c164cdaa75ec72ae685094c2468fe0577f743cb1f307d23dd35ec1

                            SHA512

                            b66af0b6b95560c20584ed033547235d5188981a092131a7c1749926ba1ac208266193bd7fa8a3403a39eee23fcdd53580e9533803d7f52df5fb01d508e292b3