Analysis

  • max time kernel
    29s
  • max time network
    38s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    23/05/2026, 04:25

General

  • Target
    build.exe
  • Size 216.0MB
  • Sample260523-e1zp3sfw2w
  • SHA256 b485dd320d7eaf9d100030ca5b6d1e5d1f29647cf93ba49605fe6f3a26bf89e6
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Contacts third-party web service commonly abused for C2 1 TTPs 2 IoCs

    Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Suspicious use of AdjustPrivilegeToken 58 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\build.exe
    "C:\Users\Admin\AppData\Local\Temp\build.exe"
    1⤵
    • Checks computer location settings
    • Checks processor information in registry
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3272
    • C:\Users\Admin\AppData\Local\Temp\build.exe
      "C:\Users\Admin\AppData\Local\Temp\build.exe" --type=gpu-process --user-data-dir="C:\Users\Admin\AppData\Roaming\build" --gpu-preferences=SAAAAAAAAADgAAAEAAAAAAAAAAAAAGAAAQAAAAAAAAAAAAAAAAAAAAIAAAAAAAAAAAAAAAAAAAAQAAAAAAAAABAAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --field-trial-handle=1888,i,5531833293179021213,12174871290007994181,262144 --enable-features=PdfUseShowSaveFilePicker --disable-features=DropInputEventsWhilePaintHolding,LocalNetworkAccessChecks,NetworkServiceSandbox,ScreenAIOCREnabled,SpareRendererForSitePerProcess,TraceSiteInstanceGetProcessCreation --variations-seed-version --pseudonymization-salt-handle=1892,i,14354183467270629471,15926396861717114381,4 --trace-process-track-uuid=3190708988185955192 --mojo-platform-channel-handle=1884 /prefetch:2
      2⤵
        PID:4812
      • C:\Users\Admin\AppData\Local\Temp\build.exe
        "C:\Users\Admin\AppData\Local\Temp\build.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --user-data-dir="C:\Users\Admin\AppData\Roaming\build" --field-trial-handle=1888,i,5531833293179021213,12174871290007994181,262144 --enable-features=PdfUseShowSaveFilePicker --disable-features=DropInputEventsWhilePaintHolding,LocalNetworkAccessChecks,NetworkServiceSandbox,ScreenAIOCREnabled,SpareRendererForSitePerProcess,TraceSiteInstanceGetProcessCreation --variations-seed-version --pseudonymization-salt-handle=1892,i,14354183467270629471,15926396861717114381,4 --trace-process-track-uuid=3190708989122997041 --mojo-platform-channel-handle=2080 /prefetch:3
        2⤵
          PID:1932

      Network

            MITRE ATT&CK Enterprise v16

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            Downloads