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Resubmissions

16/06/2024, 00:32

240616-avlttavgql 3

16/06/2024, 00:27

240616-asanrsvfqq 3

Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16/06/2024, 00:32

General

  • Target

    Nezur.exe

  • Size

    7.8MB

  • MD5

    cc950ea8c02c620601f65b9048c4df74

  • SHA1

    ec7caa93fbdf813cb67f14ac956ab91633a09e4e

  • SHA256

    64bf358b68cb4ef856218f985948a4a196797007fa2643473902fb94c1c4198c

  • SHA512

    d9971e2597f3f3ab7ceb04274a8628ce9e5dc3364619ea01db9cd8b613aa52c067cc39f136e0e7ba10f8dd3b8ad0e110e3e67c26d164e41e53f9fcb3ee569b0f

  • SSDEEP

    196608:C/xEEFlhbjsCmaaqULXNfwS4IlJ9aY43kP:pwjsPqUDeYbav0P

Score
1/10

Malware Config

Signatures

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies data under HKEY_USERS 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 26 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⤵
      PID:4732
    • 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:3064
      • 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=110.0.5481.104 --initial-client-data=0xfc,0x100,0x104,0xd8,0x108,0x7fffa7f8ab58,0x7fffa7f8ab68,0x7fffa7f8ab78
        2⤵
          PID:1712
        • 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=1692 --field-trial-handle=1912,i,544893570803489814,7971031957861386782,131072 /prefetch:2
          2⤵
            PID:744
          • 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=2172 --field-trial-handle=1912,i,544893570803489814,7971031957861386782,131072 /prefetch:8
            2⤵
              PID:1164
            • 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=service --mojo-platform-channel-handle=2228 --field-trial-handle=1912,i,544893570803489814,7971031957861386782,131072 /prefetch:8
              2⤵
                PID:3668
              • C:\Program Files\Google\Chrome\Application\chrome.exe
                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --first-renderer-process --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --mojo-platform-channel-handle=3064 --field-trial-handle=1912,i,544893570803489814,7971031957861386782,131072 /prefetch:1
                2⤵
                  PID:3448
                • C:\Program Files\Google\Chrome\Application\chrome.exe
                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=3068 --field-trial-handle=1912,i,544893570803489814,7971031957861386782,131072 /prefetch:1
                  2⤵
                    PID:3096
                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=7 --mojo-platform-channel-handle=3600 --field-trial-handle=1912,i,544893570803489814,7971031957861386782,131072 /prefetch:1
                    2⤵
                      PID:1448
                    • 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=4676 --field-trial-handle=1912,i,544893570803489814,7971031957861386782,131072 /prefetch:8
                      2⤵
                        PID:4988
                      • 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=4820 --field-trial-handle=1912,i,544893570803489814,7971031957861386782,131072 /prefetch:8
                        2⤵
                          PID:1192
                        • C:\Program Files\Google\Chrome\Application\110.0.5481.104\Installer\setup.exe
                          "C:\Program Files\Google\Chrome\Application\110.0.5481.104\Installer\setup.exe" --reenable-autoupdates --system-level
                          2⤵
                            PID:3604
                            • C:\Program Files\Google\Chrome\Application\110.0.5481.104\Installer\setup.exe
                              "C:\Program Files\Google\Chrome\Application\110.0.5481.104\Installer\setup.exe" --type=crashpad-handler /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler --database=C:\Windows\TEMP\Crashpad --url=https://clients2.google.com/cr/report --annotation=channel= --annotation=plat=Win64 --annotation=prod=Chrome --annotation=ver=110.0.5481.104 --initial-client-data=0x238,0x23c,0x240,0x214,0x244,0x7ff7675dae48,0x7ff7675dae58,0x7ff7675dae68
                              3⤵
                                PID:3620
                            • C:\Program Files\Google\Chrome\Application\chrome.exe
                              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=10 --mojo-platform-channel-handle=4724 --field-trial-handle=1912,i,544893570803489814,7971031957861386782,131072 /prefetch:1
                              2⤵
                                PID:1228
                              • C:\Program Files\Google\Chrome\Application\chrome.exe
                                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=11 --mojo-platform-channel-handle=5044 --field-trial-handle=1912,i,544893570803489814,7971031957861386782,131072 /prefetch:1
                                2⤵
                                  PID:60
                                • C:\Program Files\Google\Chrome\Application\chrome.exe
                                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=12 --mojo-platform-channel-handle=3252 --field-trial-handle=1912,i,544893570803489814,7971031957861386782,131072 /prefetch:1
                                  2⤵
                                    PID:4984
                                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=13 --mojo-platform-channel-handle=3348 --field-trial-handle=1912,i,544893570803489814,7971031957861386782,131072 /prefetch:1
                                    2⤵
                                      PID:2452
                                    • C:\Program Files\Google\Chrome\Application\chrome.exe
                                      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=14 --mojo-platform-channel-handle=2384 --field-trial-handle=1912,i,544893570803489814,7971031957861386782,131072 /prefetch:1
                                      2⤵
                                        PID:4900
                                      • C:\Program Files\Google\Chrome\Application\chrome.exe
                                        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --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=UAAAAAAAAADoAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAACQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2704 --field-trial-handle=1912,i,544893570803489814,7971031957861386782,131072 /prefetch:2
                                        2⤵
                                        • Suspicious behavior: EnumeratesProcesses
                                        PID:3052
                                      • C:\Program Files\Google\Chrome\Application\chrome.exe
                                        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=16 --mojo-platform-channel-handle=1852 --field-trial-handle=1912,i,544893570803489814,7971031957861386782,131072 /prefetch:1
                                        2⤵
                                          PID:4728
                                      • C:\Program Files\Google\Chrome\Application\110.0.5481.104\elevation_service.exe
                                        "C:\Program Files\Google\Chrome\Application\110.0.5481.104\elevation_service.exe"
                                        1⤵
                                          PID:1356

                                        Network

                                        MITRE ATT&CK Enterprise v15

                                        Replay Monitor

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                                        Downloads

                                        • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\SCT Auditing Pending Reports

                                          Filesize

                                          2B

                                          MD5

                                          d751713988987e9331980363e24189ce

                                          SHA1

                                          97d170e1550eee4afc0af065b78cda302a97674c

                                          SHA256

                                          4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945

                                          SHA512

                                          b25b294cb4deb69ea00a4c3cf3113904801b6015e5956bd019a8570b1fe1d6040e944ef3cdee16d0a46503ca6e659a25f21cf9ceddc13f352a3c98138c15d6af

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

                                          Filesize

                                          7KB

                                          MD5

                                          bf2fd948e79dc3782412c5c748a88309

                                          SHA1

                                          dfe6242ea7e6a67106f043a68bce3578e7a03cc0

                                          SHA256

                                          e41176f541f6c29f3fadb3dd529dcc1192a3081ce19ac87021f20ff019ef75e8

                                          SHA512

                                          7a9bf1548241e02a3b50d9822762d70a206023d7ade875a75938c9b628e71a2f14650c9d55d3d93f669b63a2ebba59c6143f03f53670e817172a6f948deccc15

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

                                          Filesize

                                          7KB

                                          MD5

                                          a5ccc620b533df2ca060e87ab83bc37d

                                          SHA1

                                          4fc13b65bfecf54c59c92fd76928410e2b70bdb6

                                          SHA256

                                          b32b2e2285a8019f2b0bfb49e989ca10bb7af4af3b5fecc2ce68011f7ea215a6

                                          SHA512

                                          6df1b4bb20374d92d5de241ef1eba9742ba2cc3baba24ccd225184774f61bfaa942b5d9a6e13f256bd6ecd67853a278b426d172eb35303ec2ad1543a98e567c8

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

                                          Filesize

                                          255KB

                                          MD5

                                          0a6e7c247d8b94971d12858df2e71844

                                          SHA1

                                          676a4f098644bfdd17a4621cebb0bbb6eb89d9e7

                                          SHA256

                                          ab7c1d5330028957701fd8f7afb8e83cf27a7e9774ff094a686286d83cc06323

                                          SHA512

                                          aa024b632c56f97bcc2958c317e5a3617786e5428cbdbd95cd2ee0183b56ad39eeffc9b95af080d063ec29cba8d01ba7b3ac743031dc082988ce29a467d9dca7

                                        • memory/4732-0-0x00007FF675080000-0x00007FF67637B000-memory.dmp

                                          Filesize

                                          19.0MB

                                        • memory/4732-53-0x00007FF675080000-0x00007FF67637B000-memory.dmp

                                          Filesize

                                          19.0MB