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Analysis

  • max time kernel
    146s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231020-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23/10/2023, 06:04

General

  • Target

    https://myeftsecure.info/taxrefund

Score
1/10

Malware Config

Signatures

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 10 IoCs
  • Suspicious use of FindShellTrayWindow 25 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://myeftsecure.info/taxrefund
    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:2620
    • 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,0x100,0x104,0xd8,0x108,0x7ffe02e946f8,0x7ffe02e94708,0x7ffe02e94718
      2⤵
        PID:2344
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2120,14439046132599567813,5390147767547166322,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2132 /prefetch:2
        2⤵
          PID:2376
        • 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=2120,14439046132599567813,5390147767547166322,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2184 /prefetch:3
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:3916
        • 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=2120,14439046132599567813,5390147767547166322,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2872 /prefetch:8
          2⤵
            PID:3992
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2120,14439046132599567813,5390147767547166322,131072 --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=3396 /prefetch:1
            2⤵
              PID:720
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2120,14439046132599567813,5390147767547166322,131072 --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=3380 /prefetch:1
              2⤵
                PID:4564
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2120,14439046132599567813,5390147767547166322,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=7 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4688 /prefetch:1
                2⤵
                  PID:4992
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2120,14439046132599567813,5390147767547166322,131072 --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=4996 /prefetch:1
                  2⤵
                    PID:4592
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2120,14439046132599567813,5390147767547166322,131072 --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=5412 /prefetch:1
                    2⤵
                      PID:3596
                    • 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=2120,14439046132599567813,5390147767547166322,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4788 /prefetch:8
                      2⤵
                        PID:4688
                      • 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=2120,14439046132599567813,5390147767547166322,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4788 /prefetch:8
                        2⤵
                        • Suspicious behavior: EnumeratesProcesses
                        PID:2348
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2120,14439046132599567813,5390147767547166322,131072 --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=12 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4768 /prefetch:1
                        2⤵
                          PID:2804
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2120,14439046132599567813,5390147767547166322,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=11 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5252 /prefetch:1
                          2⤵
                            PID:3236
                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2120,14439046132599567813,5390147767547166322,131072 --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=5920 /prefetch:1
                            2⤵
                              PID:4992
                            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2120,14439046132599567813,5390147767547166322,131072 --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=6004 /prefetch:1
                              2⤵
                                PID:1256
                              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2120,14439046132599567813,5390147767547166322,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=15 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5756 /prefetch:1
                                2⤵
                                  PID:5000
                                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2120,14439046132599567813,5390147767547166322,131072 --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=5060 /prefetch:2
                                  2⤵
                                  • Suspicious behavior: EnumeratesProcesses
                                  PID:4976
                              • C:\Windows\System32\CompPkgSrv.exe
                                C:\Windows\System32\CompPkgSrv.exe -Embedding
                                1⤵
                                  PID:3440
                                • C:\Windows\System32\CompPkgSrv.exe
                                  C:\Windows\System32\CompPkgSrv.exe -Embedding
                                  1⤵
                                    PID:2616

                                  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

                                    0629525c94f6548880f5f3a67846755e

                                    SHA1

                                    40ef667fc04bb1c0ae4bf2c17ded88594f0f4423

                                    SHA256

                                    812576f4a24f399abbd54b83ba7f404f021d4a7d2ec0fd2f988ebf4cbf8477ee

                                    SHA512

                                    f74d2e4a65a152f46852eb78dd70a958fdfb8c14e060ca41ffa783b7362e44659cc5fc73f59f3edb1f1d817000b85de7c1860512aa65d937eb5a0a8d9e5890fa

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

                                    Filesize

                                    120B

                                    MD5

                                    90b22886064cdfe599f29699c6803b55

                                    SHA1

                                    663e30e2f52f1fcf9f7f255c74420c3936b5674d

                                    SHA256

                                    c253c9dba951f652ee70d731231a9e4b02e2d1e21de2612914b720b8b4b5040b

                                    SHA512

                                    21a1cc76a4f41de5bf647cb812d5999d96682a39ca5ed4ba99c2357127429f7a1d1f9425d9bba1835e3700072edc632c183a268344b33924c7be2ec10cd48212

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

                                    Filesize

                                    144B

                                    MD5

                                    bdcf86de518228ef61126011e5811c69

                                    SHA1

                                    0c055ce43f01a55f7b8e6c7776d35681ef0ce2ea

                                    SHA256

                                    f7ab64ed58af0a40a0e29df28bf6189cf7a4f30afba542d82b83c4487883ad6e

                                    SHA512

                                    59f86c9783f7f01deb5af604f7829d42782f66c1b3374746f5580927ca5b39549199c3f48e6710459a3757e100ac23d12a1fac10614967e351da2e08b7a4d06a

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

                                    Filesize

                                    111B

                                    MD5

                                    285252a2f6327d41eab203dc2f402c67

                                    SHA1

                                    acedb7ba5fbc3ce914a8bf386a6f72ca7baa33c6

                                    SHA256

                                    5dfc321417fc31359f23320ea68014ebfd793c5bbed55f77dab4180bbd4a2026

                                    SHA512

                                    11ce7cb484fee66894e63c31db0d6b7ef66ad0327d4e7e2eb85f3bcc2e836a3a522c68d681e84542e471e54f765e091efe1ee4065641b0299b15613eb32dcc0d

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

                                    Filesize

                                    951B

                                    MD5

                                    648b0e9e4cbe9663fb617f110b09e810

                                    SHA1

                                    66b30e58417be5d4af1ec4ca0a6aeb20d99dc7bc

                                    SHA256

                                    c4b1b26fdb05a53f456af9cab88748243f22ab12f198c55287b70a56130ef16d

                                    SHA512

                                    11e79f4cd6a5f573579c919a3c4a06cb2409c5f0f81f2f13c2787533529afeaf2f0c5b896dd56b5d6c7910fbdaa31c4c0639dcf6e6fbcceac1fa9606e37c0153

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

                                    Filesize

                                    5KB

                                    MD5

                                    41dd522e834c1ffa0d4735cec61f91df

                                    SHA1

                                    e976ba20e702e5faade1dc967f044ccbb7936a25

                                    SHA256

                                    9f24549c3996fd3f1127cceeac485cbd6467bdaca189542744149906fc58daa7

                                    SHA512

                                    30a2dd283c2f624568f65ba3a9a400594788464c4b2d1bad01bd176d930bf9e52128bbd5c82c929c24202785f665cc2db188a6069c6c2816034ab2394db230d1

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

                                    Filesize

                                    5KB

                                    MD5

                                    9097fbfb5aa5a5e3a473be073c09f942

                                    SHA1

                                    8b52ea10b23138590fe61eca8dd3cfabf5332898

                                    SHA256

                                    84cbe6ce7903a5f3ac3be3c6e94e0b83a743fa85176d8ad324414adf0b28b905

                                    SHA512

                                    76b0fc2a020ef8dcc7ca927e101cb7ece68bba19810315375e53791dbde43926b419f081f9797efd277914ca3e0fddbe5af56864d2dd1cf6ef8c72a31a12cea1

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

                                    Filesize

                                    5KB

                                    MD5

                                    2b4aaebe8e82d5ea1ffdb7557404bc02

                                    SHA1

                                    9bacd66d68cf109a0a35ed1eb5825c56f6c1ac74

                                    SHA256

                                    d2344ee1b2a30a83182c034d92bc93406d23709334ff5652679e7d65f05a338f

                                    SHA512

                                    cc92a618bdbdb9a04b36f64a86db6bf8c1741a127d8a2ff281da657553a23b695f87ca4cf4e054c61d92a6ba6c714eac0eafde5f3ad1e0eaa68da836f21a9d4f

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

                                    Filesize

                                    24KB

                                    MD5

                                    fd20981c7184673929dfcab50885629b

                                    SHA1

                                    14c2437aad662b119689008273844bac535f946c

                                    SHA256

                                    28b7a1e7b492fff3e5268a6cd480721f211ceb6f2f999f3698b3b8cbd304bb22

                                    SHA512

                                    b99520bbca4d2b39f8bedb59944ad97714a3c9b8a87393719f1cbc40ed63c5834979f49346d31072c4d354c612ab4db9bf7f16e7c15d6802c9ea507d8c46af75

                                  • 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

                                    10KB

                                    MD5

                                    76a99950329779f5d35682f5eb4605c6

                                    SHA1

                                    19903bf776365302212278b493f6dc64c4668551

                                    SHA256

                                    6638a60f26b91df6ddbcf53d3b3847bf4d02ec5b6083958eb35b9e25a6de0442

                                    SHA512

                                    30fa72fe66b2541dd7c4653cc4b9d17e7b990f594e223a3ab2a84b918365b1bfe74946248c48bcee9f0659f5947ab64b7f376021efcfbeab22a161a7eda0bd9e