Analysis

  • max time kernel
    1788s
  • max time network
    1691s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/07/2024, 14:11

General

  • Target

    https://cdn.discordapp.com/attachments/1258409397546254388/1261048397700272239/ZencB.exe?ex=66923317&is=6690e197&hm=333c0a959751853f1cfbbeb02bb8bf8e7591538d821f8780782a7c870aa0af97&

Score
8/10

Malware Config

Signatures

  • Downloads MZ/PE file
  • Enumerates system info in registry 2 TTPs 3 IoCs
  • NTFS ADS 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 7 IoCs
  • Suspicious use of FindShellTrayWindow 32 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://cdn.discordapp.com/attachments/1258409397546254388/1261048397700272239/ZencB.exe?ex=66923317&is=6690e197&hm=333c0a959751853f1cfbbeb02bb8bf8e7591538d821f8780782a7c870aa0af97&
    1⤵
    • Enumerates system info in registry
    • NTFS ADS
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:648
    • 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,0x100,0x104,0xd8,0x108,0x7ffd219246f8,0x7ffd21924708,0x7ffd21924718
      2⤵
        PID:544
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2164,5698642857002632736,4680348667485480343,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2176 /prefetch:2
        2⤵
          PID:3080
        • 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=2164,5698642857002632736,4680348667485480343,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2268 /prefetch:3
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:3140
        • 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=2164,5698642857002632736,4680348667485480343,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2904 /prefetch:8
          2⤵
            PID:3968
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2164,5698642857002632736,4680348667485480343,131072 --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=3404 /prefetch:1
            2⤵
              PID:4560
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2164,5698642857002632736,4680348667485480343,131072 --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=3420 /prefetch:1
              2⤵
                PID:2868
              • 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=2164,5698642857002632736,4680348667485480343,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5396 /prefetch:8
                2⤵
                  PID:4448
                • 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=2164,5698642857002632736,4680348667485480343,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5396 /prefetch:8
                  2⤵
                  • Suspicious behavior: EnumeratesProcesses
                  PID:3020
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2164,5698642857002632736,4680348667485480343,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=8 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5456 /prefetch:1
                  2⤵
                    PID:3868
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2164,5698642857002632736,4680348667485480343,131072 --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=9 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5480 /prefetch:1
                    2⤵
                      PID:3084
                    • 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=2164,5698642857002632736,4680348667485480343,131072 --lang=en-US --service-sandbox-type=collections --mojo-platform-channel-handle=5708 /prefetch:8
                      2⤵
                        PID:3656
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2164,5698642857002632736,4680348667485480343,131072 --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=5644 /prefetch:1
                        2⤵
                          PID:2184
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2164,5698642857002632736,4680348667485480343,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=13 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=6080 /prefetch:1
                          2⤵
                            PID:5044
                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2164,5698642857002632736,4680348667485480343,131072 --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=14 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=6124 /prefetch:1
                            2⤵
                              PID:1340
                            • 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=2164,5698642857002632736,4680348667485480343,131072 --lang=en-US --service-sandbox-type=icon_reader --mojo-platform-channel-handle=6440 /prefetch:8
                              2⤵
                                PID:1956
                              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2164,5698642857002632736,4680348667485480343,131072 --disable-gpu-sandbox --use-gl=disabled --gpu-vendor-id=4318 --gpu-device-id=140 --gpu-sub-system-id=0 --gpu-revision=0 --gpu-driver-version=10.0.19041.546 --gpu-preferences=UAAAAAAAAADoAAAQAAAAAAAAAAAAAAAAAABgAAAEAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=1256 /prefetch:2
                                2⤵
                                • Suspicious behavior: EnumeratesProcesses
                                PID:1708
                            • C:\Windows\System32\CompPkgSrv.exe
                              C:\Windows\System32\CompPkgSrv.exe -Embedding
                              1⤵
                                PID:224
                              • C:\Windows\System32\CompPkgSrv.exe
                                C:\Windows\System32\CompPkgSrv.exe -Embedding
                                1⤵
                                  PID:4880

                                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

                                        2f842025e22e522658c640cfc7edc529

                                        SHA1

                                        4c2b24b02709acdd159f1b9bbeb396e52af27033

                                        SHA256

                                        1191573f2a7c12f0b9b8460e06dc36ca5386305eb8c883ebbbc8eb15f4d8e23e

                                        SHA512

                                        6e4393fd43984722229020ef662fc5981f253de31f13f30fadd6660bbc9ededcbfd163f132f6adaf42d435873322a5d0d3eea60060cf0e7f2e256262632c5d05

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

                                        Filesize

                                        152B

                                        MD5

                                        54aadd2d8ec66e446f1edb466b99ba8d

                                        SHA1

                                        a94f02b035dc918d8d9a46e6886413f15be5bff0

                                        SHA256

                                        1971045943002ef01930add9ba1a96a92ddc10d6c581ce29e33c38c2120b130e

                                        SHA512

                                        7e077f903463da60b5587aed4f5352060df400ebda713b602b88c15cb2f91076531ea07546a9352df772656065e0bf27bd285905a60f036a5c5951076d35e994

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

                                        Filesize

                                        186B

                                        MD5

                                        094ab275342c45551894b7940ae9ad0d

                                        SHA1

                                        2e7ce26fe2eb9be641ae929d0c9cc0dfa26c018e

                                        SHA256

                                        ef1739b833a1048ee1bd55dcbac5b1397396faca1ad771f4d6c2fe58899495a3

                                        SHA512

                                        19d0c688dc1121569247111e45de732b2ab86c71aecdde34b157cfd1b25c53473ed3ade49a97f8cb2ddc4711be78fa26c9330887094e031e9a71bb5c29080b0d

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

                                        Filesize

                                        6KB

                                        MD5

                                        e4cd4b9ec89d318d1ab273bad247e163

                                        SHA1

                                        3c0d798b4af4ba87ee291e36df485e52ad8a5e75

                                        SHA256

                                        3154cd429b1eb9032eac65726f04a09f4c5f15d26cd5e76622993b4109b3108d

                                        SHA512

                                        740287640baf1f4c2a1de1e7a92e6b91f53f2df9086902d9e6826c74605b39b6436727af0d6bbb50c59a8ac3be378e7c6e6b7c6bca97d6e7f4d23d807423294d

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

                                        Filesize

                                        6KB

                                        MD5

                                        7051ecc31beb5668bc1fb0cb13380146

                                        SHA1

                                        581512b66e3df94f1402cf5ac1115bf7d07d3ee7

                                        SHA256

                                        4a632675e2e666849b47c62920f26e7e9286827b4297d007661fc08ecbce5c2e

                                        SHA512

                                        34c76e5b04300da72a86ade4f0aaa1fead8336d65196b3ed7afb771eb51b9eca19d4e28f66fde4ccba4d5027a511c3f8e964612a5b287ec06f577c865ad08132

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

                                        Filesize

                                        16B

                                        MD5

                                        206702161f94c5cd39fadd03f4014d98

                                        SHA1

                                        bd8bfc144fb5326d21bd1531523d9fb50e1b600a

                                        SHA256

                                        1005a525006f148c86efcbfb36c6eac091b311532448010f70f7de9a68007167

                                        SHA512

                                        0af09f26941b11991c750d1a2b525c39a8970900e98cba96fd1b55dbf93fee79e18b8aab258f48b4f7bda40d059629bc7770d84371235cdb1352a4f17f80e145

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

                                        Filesize

                                        16B

                                        MD5

                                        46295cac801e5d4857d09837238a6394

                                        SHA1

                                        44e0fa1b517dbf802b18faf0785eeea6ac51594b

                                        SHA256

                                        0f1bad70c7bd1e0a69562853ec529355462fcd0423263a3d39d6d0d70b780443

                                        SHA512

                                        8969402593f927350e2ceb4b5bc2a277f3754697c1961e3d6237da322257fbab42909e1a742e22223447f3a4805f8d8ef525432a7c3515a549e984d3eff72b23

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

                                        Filesize

                                        11KB

                                        MD5

                                        0f54988a3743d63fc2ac46a6597c4325

                                        SHA1

                                        f9437b0e61ee514e9fb6ff97aedfd373b3f63347

                                        SHA256

                                        6086709b192bce2ad900a6860a173b1edc5c62f78313bbb6cb688828d7c7dfce

                                        SHA512

                                        e6e8b5975c869c89da36ba8bea603cda671e34079c290a0361a98126bda9abf7a9390b80f8f4d64e0b7ab4fe50c5539fc48b76dd370d4f45927b15a74243e30a

                                      • C:\Users\Admin\Downloads\Unconfirmed 970731.crdownload

                                        Filesize

                                        785KB

                                        MD5

                                        2f7ec36fefca189d77a1f498096dca48

                                        SHA1

                                        6eca6266c06944e26ba26254983229382a6940de

                                        SHA256

                                        d6e4cc925ac3b3ee4e9c337e5203e3c9531cea230b0139e0701ec4677c18d033

                                        SHA512

                                        766ab3437e5353efd3ffd68a4120a467c1cb27fb5fe14917ddaa7a8c714a9b4bfab3ac8d091a2a3b35fb5d4b149dbea2fc0af977c52d0c0c42388a4667caace3