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Analysis

  • max time kernel
    65s
  • max time network
    67s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17/05/2024, 12:10

General

  • Target

    https://www.bignox.com

Score
8/10

Malware Config

Signatures

  • Downloads MZ/PE file
  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 8 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 24 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument https://www.bignox.com
    1⤵
    • Enumerates system info in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:3224
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=92.0.4515.131 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=92.0.902.67 --initial-client-data=0xfc,0x100,0x104,0xd8,0x108,0x7ffaa4b146f8,0x7ffaa4b14708,0x7ffaa4b14718
      2⤵
        PID:984
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2032,3458902272631375757,7308723801949322219,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2064 /prefetch:2
        2⤵
          PID:3592
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --field-trial-handle=2032,3458902272631375757,7308723801949322219,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2132 /prefetch:3
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:1696
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --field-trial-handle=2032,3458902272631375757,7308723801949322219,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2900 /prefetch:8
          2⤵
            PID:3688
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2032,3458902272631375757,7308723801949322219,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3316 /prefetch:1
            2⤵
              PID:3760
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2032,3458902272631375757,7308723801949322219,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3332 /prefetch:1
              2⤵
                PID:4800
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=audio.mojom.AudioService --field-trial-handle=2032,3458902272631375757,7308723801949322219,131072 --lang=en-US --service-sandbox-type=audio --mojo-platform-channel-handle=4728 /prefetch:8
                2⤵
                  PID:2656
                • C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=2032,3458902272631375757,7308723801949322219,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5636 /prefetch:8
                  2⤵
                    PID:1732
                  • C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=2032,3458902272631375757,7308723801949322219,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5636 /prefetch:8
                    2⤵
                    • Suspicious behavior: EnumeratesProcesses
                    PID:4092
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2032,3458902272631375757,7308723801949322219,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=9 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5044 /prefetch:1
                    2⤵
                      PID:4988
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=edge_collections.mojom.CollectionsDataManager --field-trial-handle=2032,3458902272631375757,7308723801949322219,131072 --lang=en-US --service-sandbox-type=collections --mojo-platform-channel-handle=5744 /prefetch:8
                      2⤵
                        PID:5384
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2032,3458902272631375757,7308723801949322219,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=12 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5316 /prefetch:1
                        2⤵
                          PID:5392
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=chrome.mojom.UtilReadIcon --field-trial-handle=2032,3458902272631375757,7308723801949322219,131072 --lang=en-US --service-sandbox-type=icon_reader --mojo-platform-channel-handle=6216 /prefetch:8
                          2⤵
                            PID:5436
                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2032,3458902272631375757,7308723801949322219,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=14 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=6108 /prefetch:1
                            2⤵
                              PID:5584
                            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2032,3458902272631375757,7308723801949322219,131072 --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=15 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=6092 /prefetch:1
                              2⤵
                                PID:5592
                              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2032,3458902272631375757,7308723801949322219,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=16 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=6412 /prefetch:1
                                2⤵
                                  PID:5764
                                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2032,3458902272631375757,7308723801949322219,131072 --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=17 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=6476 /prefetch:1
                                  2⤵
                                    PID:5772
                                • C:\Windows\System32\CompPkgSrv.exe
                                  C:\Windows\System32\CompPkgSrv.exe -Embedding
                                  1⤵
                                    PID:1072
                                  • C:\Windows\System32\CompPkgSrv.exe
                                    C:\Windows\System32\CompPkgSrv.exe -Embedding
                                    1⤵
                                      PID:4908
                                    • C:\Windows\system32\AUDIODG.EXE
                                      C:\Windows\system32\AUDIODG.EXE 0x4bc 0x4ec
                                      1⤵
                                        PID:1116

                                      Network

                                      MITRE ATT&CK Enterprise v15

                                      Replay Monitor

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                                      Downloads

                                      • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat

                                        Filesize

                                        152B

                                        MD5

                                        ae54e9db2e89f2c54da8cc0bfcbd26bd

                                        SHA1

                                        a88af6c673609ecbc51a1a60dfbc8577830d2b5d

                                        SHA256

                                        5009d3c953de63cfd14a7d911156c514e179ff07d2b94382d9caac6040cb72af

                                        SHA512

                                        e3b70e5eb7321b9deca6f6a17424a15b9fd5c4008bd3789bd01099fd13cb2f4a2f37fe4b920fb51c50517745b576c1f94df83efd1a7e75949551163985599998

                                      • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat

                                        Filesize

                                        152B

                                        MD5

                                        f53207a5ca2ef5c7e976cbb3cb26d870

                                        SHA1

                                        49a8cc44f53da77bb3dfb36fc7676ed54675db43

                                        SHA256

                                        19ab4e3c9da6d9cedda7461efdba9a2085e743513ab89f1dd0fd5a8f9486ad23

                                        SHA512

                                        be734c7e8afda19f445912aef0d78f9941add29baebd4a812bff27f10a1d78b52aeb11c551468c8644443c86e1a2a6b2e4aead3d7f81d39925e3c20406ac1499

                                      • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Code Cache\js\index-dir\the-real-index

                                        Filesize

                                        264B

                                        MD5

                                        88b519c229449012e33164ec02efad42

                                        SHA1

                                        4c67a2269046d6b6380ac2917e3d213864e208e0

                                        SHA256

                                        d6299db24d599c4c152040bc55a54e815430a8aeaee7c017e358edd6f76953b4

                                        SHA512

                                        ff2160d88162c7a74acf21ceee70c7ee476182141d54a24a063d57df08c722d86dcd4ee9a1529bf3781cf4e57ae00a2de0e76028fe1ead8b2bbba142ba93bef3

                                      • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences

                                        Filesize

                                        5KB

                                        MD5

                                        67cb024913be18809c8781252e30360b

                                        SHA1

                                        a51294d8115bd494cd04a76c8a2ad956775f7937

                                        SHA256

                                        15ba13f75377e02d998b1c4135ff09f81bd4997ae13ada237597d5d075a51d2a

                                        SHA512

                                        6dd76d9664edaca5b101cc2f8153baf78741cbeb6e50978137720c0bd2b6352ed6641b9a7034959b103d927a21a6b05a3132cb4d6176aff0fd9c99062f92bd8e

                                      • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences

                                        Filesize

                                        6KB

                                        MD5

                                        748891a168869d98c15ff90844786340

                                        SHA1

                                        6932e04e02f8f7724b4a29ba60d51766613a24af

                                        SHA256

                                        8b6faad3c82669c741a5b53b60360bf4f6f2da7bf86e134d8127884e5bf0765d

                                        SHA512

                                        d6067643fe1c5a653cbf430a333b3bc1bd910351c2ca1b620a8310435727ae6b9453be6de65dde3c8c861ebd416193bd65450a1b8ded107db075b72947cbae57

                                      • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences

                                        Filesize

                                        7KB

                                        MD5

                                        97b99692dcc5277a645b4459c86ccf23

                                        SHA1

                                        1f2fb5b51f1cf3e86bc3b0209e9679ded72185eb

                                        SHA256

                                        03bf7085afbdf4d6001643efe809ef5b218e62a49902a8afa3140e96f8d51c20

                                        SHA512

                                        02a2845847177b01ac5d4790f76fe5f6159b7a9a47978f5863e58631af6463fbdca498e4db4c06caaec28b4ceccedbfefe741b8f39bea82cdf435d4617122fdb

                                      • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\data_reduction_proxy_leveldb\CURRENT

                                        Filesize

                                        16B

                                        MD5

                                        6752a1d65b201c13b62ea44016eb221f

                                        SHA1

                                        58ecf154d01a62233ed7fb494ace3c3d4ffce08b

                                        SHA256

                                        0861415cada612ea5834d56e2cf1055d3e63979b69eb71d32ae9ae394d8306cd

                                        SHA512

                                        9cfd838d3fb570b44fc3461623ab2296123404c6c8f576b0de0aabd9a6020840d4c9125eb679ed384170dbcaac2fa30dc7fa9ee5b77d6df7c344a0aa030e0389

                                      • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State

                                        Filesize

                                        11KB

                                        MD5

                                        0678a20a0270aec58b7107e896d44999

                                        SHA1

                                        0af1bc82ad3fe77ab25d5e011574cd2e30c66a77

                                        SHA256

                                        85f56d86065c16370fcad735bf64c426f32aa48d09b42a8cfb24de8e4a0ddee2

                                        SHA512

                                        52fa938f12c5bc6798d24ecc59b51717a891c6fdc381426ad81951055e63b5f4af2eeba16688c558d3957246c1964e59a989a7411a2df384f05a42d624dd1bd8

                                      • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State

                                        Filesize

                                        11KB

                                        MD5

                                        c50b8aa9d371c9d9c5de8d62da29c70f

                                        SHA1

                                        7d55886e578a368a183e4605b8d6f865038775dc

                                        SHA256

                                        27689769bd32e69cfd38fd69b15e44713df23e9ec4f6078afca92a1ecd44b174

                                        SHA512

                                        90974577c2f76c587c972bdcde9de863eed3d6c91fb81983eb8aa54b4f4991f98ea18cee95b4fc7e005ec2bb322509563e7abaed1d98dc9bf87feff6535000f0