Analysis

  • max time kernel
    1722s
  • max time network
    1693s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-05-2024 19:20

General

  • Target

    Nezur.exe

  • Size

    26.4MB

  • MD5

    0d057480bc2d843ee2d00038e03dc6db

  • SHA1

    8f20d52d0f87e1904ff9061f74fc87e8a3e9627b

  • SHA256

    575799e8ede2fa652e4610fe2c9ae19c288ff62b3fed4c158c55b9730776e3cc

  • SHA512

    9beab206350a77eb657a19a255cc118f66761a86f46ecb707a08ed9a2fb087a5fb65da1431ea39cc7aeadb781cde3f65b76a7daf53df0a348be13244a0f24859

  • SSDEEP

    196608:FOM8Wb0guheg/56w6Vr8utDq+S0KW1Hs3VaTnJ45/9iD54+V11bFv4ztbK+nmtzY:FOM8hegCYB+S0KW1HlTqzQY

Score
8/10

Malware Config

Signatures

  • Downloads MZ/PE file
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • NTFS ADS 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 9 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 24 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Nezur.exe
    "C:\Users\Admin\AppData\Local\Temp\Nezur.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1808
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument https://aka.ms/dotnet-core-applaunch?missing_runtime=true&arch=x86&rid=win10-x86&apphost_version=7.0.19&gui=true
      2⤵
      • 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:4584
      • 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,0x100,0x104,0xd8,0x108,0x7ffb432146f8,0x7ffb43214708,0x7ffb43214718
        3⤵
          PID:4004
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2168,1797235819122779707,17844259738219816620,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2176 /prefetch:2
          3⤵
            PID:3440
          • 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=2168,1797235819122779707,17844259738219816620,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2228 /prefetch:3
            3⤵
            • Suspicious behavior: EnumeratesProcesses
            PID:3472
          • 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=2168,1797235819122779707,17844259738219816620,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2844 /prefetch:8
            3⤵
              PID:4884
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2168,1797235819122779707,17844259738219816620,131072 --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=3332 /prefetch:1
              3⤵
                PID:8
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2168,1797235819122779707,17844259738219816620,131072 --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=3352 /prefetch:1
                3⤵
                  PID:4076
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2168,1797235819122779707,17844259738219816620,131072 --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=5020 /prefetch:1
                  3⤵
                    PID:3444
                  • 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=2168,1797235819122779707,17844259738219816620,131072 --lang=en-US --service-sandbox-type=collections --mojo-platform-channel-handle=5184 /prefetch:8
                    3⤵
                      PID:3756
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2168,1797235819122779707,17844259738219816620,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=10 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5228 /prefetch:1
                      3⤵
                        PID:1928
                      • 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=2168,1797235819122779707,17844259738219816620,131072 --lang=en-US --service-sandbox-type=icon_reader --mojo-platform-channel-handle=5668 /prefetch:8
                        3⤵
                          PID:4840
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2168,1797235819122779707,17844259738219816620,131072 --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=5504 /prefetch:1
                          3⤵
                            PID:3864
                          • 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=2168,1797235819122779707,17844259738219816620,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5860 /prefetch:8
                            3⤵
                              PID:4132
                            • 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=2168,1797235819122779707,17844259738219816620,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5860 /prefetch:8
                              3⤵
                              • Suspicious behavior: EnumeratesProcesses
                              PID:1696
                            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2168,1797235819122779707,17844259738219816620,131072 --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=6076 /prefetch:1
                              3⤵
                                PID:5048
                              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2168,1797235819122779707,17844259738219816620,131072 --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=6044 /prefetch:1
                                3⤵
                                  PID:4164
                                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2168,1797235819122779707,17844259738219816620,131072 --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=6272 /prefetch:1
                                  3⤵
                                    PID:5216
                                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2168,1797235819122779707,17844259738219816620,131072 --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=6292 /prefetch:1
                                    3⤵
                                      PID:5224
                                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2168,1797235819122779707,17844259738219816620,131072 --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=1296 /prefetch:2
                                      3⤵
                                      • Suspicious behavior: EnumeratesProcesses
                                      PID:5088
                                • C:\Windows\System32\CompPkgSrv.exe
                                  C:\Windows\System32\CompPkgSrv.exe -Embedding
                                  1⤵
                                    PID:4760
                                  • C:\Windows\System32\CompPkgSrv.exe
                                    C:\Windows\System32\CompPkgSrv.exe -Embedding
                                    1⤵
                                      PID:208

                                    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

                                      f61fa5143fe872d1d8f1e9f8dc6544f9

                                      SHA1

                                      df44bab94d7388fb38c63085ec4db80cfc5eb009

                                      SHA256

                                      284a24b5b40860240db00ef3ae6a33c9fa8349ab5490a634e27b2c6e9a191c64

                                      SHA512

                                      971000784a6518bb39c5cf043292c7ab659162275470f5f6b632ea91a6bcae83bc80517ceb983dd5abfe8fb4e157344cb65c27e609a879eec00b33c5fad563a6

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

                                      Filesize

                                      152B

                                      MD5

                                      87f7abeb82600e1e640b843ad50fe0a1

                                      SHA1

                                      045bbada3f23fc59941bf7d0210fb160cb78ae87

                                      SHA256

                                      b35d6906050d90a81d23646f86c20a8f5d42f058ffc6436fb0a2b8bd71ee1262

                                      SHA512

                                      ea8e7f24ab823ad710ce079c86c40aa957353a00d2775732c23e31be88a10d212e974c4691279aa86016c4660f5795febf739a15207833df6ed964a9ed99d618

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

                                      Filesize

                                      408B

                                      MD5

                                      db16c2156e7aac0dc381adea8aabd533

                                      SHA1

                                      598b1f358d6b917f389333b352dd677f73f2a7b3

                                      SHA256

                                      64de81af4a52f11d1742fed1fab3b4adcae650f213896accc864a6ba20acc233

                                      SHA512

                                      7e6cbb3943d48f33c969ebcd6332c4d9d72cae069e63e0548180606c69237b15b5f0ef4fa9908698294c26d0ffdab614e2b82f173254fabdfad94fc944840a98

                                    • 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

                                      1002B

                                      MD5

                                      3c522f19af9a20e9fc9feefa4bede1a3

                                      SHA1

                                      b3b3a0f2e3ff73fe6d0f844b7954825ee25d2c40

                                      SHA256

                                      615e067da5989ea7297f1b2cc60780880cf2f2915b9c15cf5cf01669588413ed

                                      SHA512

                                      5912c0c2dd0ead1e5fd11a01ae4a9dcfababa5bf596ff659325305d121fe17b859bcdd83f0babe7f96fd7b3f61e7d7fbfe70ebf0edd8c7aea80e5140536c0122

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

                                      Filesize

                                      902B

                                      MD5

                                      380a5899a3e65622b032e4bd2bc10368

                                      SHA1

                                      ec9a914e7701fd4d3bbf7e96df23c2f5d036433f

                                      SHA256

                                      63005ab5e99b3236ed5697ed9ab066aa645232cd69c74bd250063a1bd6359489

                                      SHA512

                                      8c66a15ad886602c20cda0322f72409e3ec3cabcc625a9c8b6692b41eb2f22c716dafec4860d92fd55f8be9def7a36c41fe5e47bf19d27026e72a8c780e7976d

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

                                      Filesize

                                      5KB

                                      MD5

                                      eebf33050b1e7ba4be6fdb7ec0c355f6

                                      SHA1

                                      9f11b1c5c61d81ff9024de3c83e08ce0fbbf8caa

                                      SHA256

                                      83f17f19ace07dd76094481fd5f56d2e5133203dfa3fbc681a8c0af04ac20ad2

                                      SHA512

                                      da91e470ac60ff8ebdaa029c78e2835c9f8906419f46ae77ca916de6d232b6b81a0559271673ce523fce2f4d19b8a57dd88da08a22974f53cba76675a11867be

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

                                      Filesize

                                      6KB

                                      MD5

                                      6c3e20385d3822a9ca5c56a88c06a50c

                                      SHA1

                                      3c3d13fb6a5344cecebc578628df2ffb4aa328ee

                                      SHA256

                                      77a067a1f7c379c4fd8c62082d85ffc62b5d71e7d98115df9345341e5b498161

                                      SHA512

                                      09ab49de89fbd40db184a2eba8b86557e046c3a414d3c24062deb37b735cb1c8a5a7a9e9128a3790a538539774629ad0651e36b5feeda6e721ccd12cb9d56e3d

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

                                      Filesize

                                      707B

                                      MD5

                                      f228ede4e059e0d6a3fbdb2628de6281

                                      SHA1

                                      f06caaddbe2593b42ca2caf592427df472e540ea

                                      SHA256

                                      235fe3ad81944b30704f0fd5ec3d882fb2fefe02c714619fac417e9ee0c72876

                                      SHA512

                                      88bf14888f0779879de8f40832d5db3c36333cd08132bdddc8f9d670e813d611ec5ac3467e847a68ed17e90f5e48cb6f477cbbe07702958b5595f90a117f111d

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

                                      Filesize

                                      707B

                                      MD5

                                      57b039b2ba0367f61b5a672daab8b6ef

                                      SHA1

                                      f60000bbf6fed132bc22a5a337a7569652548ea2

                                      SHA256

                                      1eec14ad0692ba8cc39d7c58cd6462a88d37c354a5cc7e538c47b318e1a626d7

                                      SHA512

                                      7e92c737618915df0f8b4c781df7bffbedf81def5e97ce9dec9c3b2b8f6898d371580552c75bd4940eae5cfd68a81ca40f3865f661261179f114f76ebe858f5d

                                    • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\TransportSecurity~RFe587a6b.TMP

                                      Filesize

                                      539B

                                      MD5

                                      5e41cdec0663521531cd2b5a63041f1f

                                      SHA1

                                      90b2245cce374ccb695f0c1b5e7b53f66ff802f8

                                      SHA256

                                      a949e656a5219b720d0dd66ae2d8ebeda3b1be79597a030a3ea217d6af93d399

                                      SHA512

                                      581322600d04144820ceae7782637a6b1a1dbc9f07ed17b74b71754e2077a6c62b40a1216fb4cbcb494f3169e0db0114a781e4b1d5f9fe3b5050d5bcb56f7549

                                    • 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\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\Local State

                                      Filesize

                                      11KB

                                      MD5

                                      54cf247e42009fe7f2af14f11961f4e5

                                      SHA1

                                      e100b656d0255ad07b3009ae97f2811ebc91df6e

                                      SHA256

                                      2ae2e7c5914cb116622d11f2e21898fe9e8d94109203d03a7f86d062079b2114

                                      SHA512

                                      3076ec2eb915a5f887edcac2dd7cf033271d43b7c9b2bad37429fd2adbe0f2278885c24c539c9795f3956d159dc56ee8893b91ab5263d039626c63d5b5d27ebc

                                    • \??\pipe\LOCAL\crashpad_4584_ZNJIRTAIBGGDUMAP

                                      MD5

                                      d41d8cd98f00b204e9800998ecf8427e

                                      SHA1

                                      da39a3ee5e6b4b0d3255bfef95601890afd80709

                                      SHA256

                                      e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

                                      SHA512

                                      cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e