Analysis

  • max time kernel
    151s
  • max time network
    134s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    02/11/2026, 11:54

General

  • Target
    LosPollos.exe
  • Size 59.4MB
  • Sample261102-n29fcaht7x
  • SHA256 70ddc6cbecc52d4341903b53cc6b24741f25d959fe2a0d1c6951df62ecd3da23
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Enumerates VirtualBox registry keys 2 TTPs 1 IoCs
  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Looks for VMWare Tools registry key 2 TTPs 1 IoCs
  • Executes dropped EXE 7 IoCs
  • Loads dropped DLL 21 IoCs
  • 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.

  • Discovers running processes 1 TTPs 2 IoCs

    Running process information can be used to identify security tools or plan follow-on actions.

  • Enumerates physical storage devices 1 TTPs

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

  • Executes a command shell one-liner 1 TTPs 4 IoCs

    Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

  • Reads the TCP/IP host and domain name from the registry 1 TTPs 4 IoCs

    The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

  • 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.

  • Enumerates system info in registry 2 TTPs 4 IoCs
  • Modifies registry class 6 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\LosPollos.exe
    "C:\Users\Admin\AppData\Local\Temp\LosPollos.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3364
    • C:\Users\Admin\AppData\Local\Temp\3KVGVQkbnCG3mZXiqGsedexd2kP\VaxonSync.exe
      C:\Users\Admin\AppData\Local\Temp\3KVGVQkbnCG3mZXiqGsedexd2kP\VaxonSync.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Reads the TCP/IP host and domain name from the registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3552
      • C:\Users\Admin\AppData\Local\Temp\3KVGVQkbnCG3mZXiqGsedexd2kP\VaxonSync.exe
        "C:\Users\Admin\AppData\Local\Temp\3KVGVQkbnCG3mZXiqGsedexd2kP\VaxonSync.exe" --type=gpu-process --user-data-dir="C:\Users\Admin\AppData\Roaming\vaxon-sync-client" --gpu-preferences=WAAAAAAAAADgAAAMAAAAAAAAAAAAAAAAAABgAAAAAAA4AAAAAAAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAGAAAAAAAAAAYAAAAAAAAAAgAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --mojo-platform-channel-handle=1648 --field-trial-handle=1652,i,4768087827150738147,13723094056009580787,262144 --enable-features=kWebSQLAccess --disable-features=SpareRendererForSitePerProcess,WinDelaySpellcheckServiceInit,WinRetrieveSuggestionsOnlyOnDemand --variations-seed-version /prefetch:2
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:4504
      • C:\Users\Admin\AppData\Local\Temp\3KVGVQkbnCG3mZXiqGsedexd2kP\VaxonSync.exe
        "C:\Users\Admin\AppData\Local\Temp\3KVGVQkbnCG3mZXiqGsedexd2kP\VaxonSync.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang --service-sandbox-type=none --user-data-dir="C:\Users\Admin\AppData\Roaming\vaxon-sync-client" --mojo-platform-channel-handle=1920 --field-trial-handle=1652,i,4768087827150738147,13723094056009580787,262144 --enable-features=kWebSQLAccess --disable-features=SpareRendererForSitePerProcess,WinDelaySpellcheckServiceInit,WinRetrieveSuggestionsOnlyOnDemand --variations-seed-version /prefetch:3
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Reads the TCP/IP host and domain name from the registry
        PID:5788
      • C:\Users\Admin\AppData\Local\Temp\3KVGVQkbnCG3mZXiqGsedexd2kP\VaxonSync.exe
        "C:\Users\Admin\AppData\Local\Temp\3KVGVQkbnCG3mZXiqGsedexd2kP\VaxonSync.exe" --type=gpu-process --user-data-dir="C:\Users\Admin\AppData\Roaming\vaxon-sync-client" --gpu-preferences=WAAAAAAAAADgAAAMAAAAAAAAAAAAAAAAAABgAAAAAAA4AAAAAAAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAGAAAAAAAAAAYAAAAAAAAAAgAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --use-gl=angle --use-angle=swiftshader-webgl --mojo-platform-channel-handle=2348 --field-trial-handle=1652,i,4768087827150738147,13723094056009580787,262144 --enable-features=kWebSQLAccess --disable-features=SpareRendererForSitePerProcess,WinDelaySpellcheckServiceInit,WinRetrieveSuggestionsOnlyOnDemand --variations-seed-version /prefetch:2
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:3344
      • C:\Users\Admin\AppData\Local\Temp\3KVGVQkbnCG3mZXiqGsedexd2kP\VaxonSync.exe
        "C:\Users\Admin\AppData\Local\Temp\3KVGVQkbnCG3mZXiqGsedexd2kP\VaxonSync.exe" --type=gpu-process --user-data-dir="C:\Users\Admin\AppData\Roaming\vaxon-sync-client" --gpu-preferences=WAAAAAAAAADgAAAMAAAAAAAAAAAAAAAAAABgAAAAAAA4AAAAAAAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAGAAAAAAAAAAYAAAAAAAAAAgAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --use-gl=disabled --mojo-platform-channel-handle=1740 --field-trial-handle=1652,i,4768087827150738147,13723094056009580787,262144 --enable-features=kWebSQLAccess --disable-features=SpareRendererForSitePerProcess,WinDelaySpellcheckServiceInit,WinRetrieveSuggestionsOnlyOnDemand --variations-seed-version /prefetch:2
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:1604
      • C:\Users\Admin\AppData\Local\Temp\SyncAgent.exe
        C:\Users\Admin\AppData\Local\Temp\SyncAgent.exe
        3⤵
        • Executes dropped EXE
        • Modifies registry class
        • Suspicious use of WriteProcessMemory
        PID:2360
        • C:\Users\Admin\AppData\Local\Temp\SyncAgent.exe
          C:\Users\Admin\AppData\Local\Temp\SyncAgent.exe
          4⤵
          • Enumerates VirtualBox registry keys
          • Identifies VirtualBox via ACPI registry values (likely anti-VM)
          • Looks for VMWare Tools registry key
          • Executes dropped EXE
          • Loads dropped DLL
          • Enumerates system info in registry
          • Suspicious use of WriteProcessMemory
          PID:4648
          • C:\Windows\system32\cmd.exe
            C:\Windows\system32\cmd.exe /c "getmac"
            5⤵
            • Executes a command shell one-liner
            • Suspicious use of WriteProcessMemory
            PID:4292
            • C:\Windows\system32\getmac.exe
              getmac
              6⤵
                PID:2544
            • C:\Windows\system32\cmd.exe
              C:\Windows\system32\cmd.exe /c "tasklist /NH /FO CSV"
              5⤵
              • Executes a command shell one-liner
              • Suspicious use of WriteProcessMemory
              PID:5344
              • C:\Windows\system32\tasklist.exe
                tasklist /NH /FO CSV
                6⤵
                • Discovers running processes
                • Suspicious use of AdjustPrivilegeToken
                PID:1000
            • C:\Windows\system32\cmd.exe
              C:\Windows\system32\cmd.exe /c "getmac"
              5⤵
              • Executes a command shell one-liner
              • Suspicious use of WriteProcessMemory
              PID:1864
              • C:\Windows\system32\getmac.exe
                getmac
                6⤵
                  PID:3292
              • C:\Windows\system32\cmd.exe
                C:\Windows\system32\cmd.exe /c "tasklist /NH /FO CSV"
                5⤵
                • Executes a command shell one-liner
                • Suspicious use of WriteProcessMemory
                PID:2432
                • C:\Windows\system32\tasklist.exe
                  tasklist /NH /FO CSV
                  6⤵
                  • Discovers running processes
                  • Suspicious use of AdjustPrivilegeToken
                  PID:2244

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            SyncAgent.exe

            • Path C:\Users\Admin\AppData\Local\Temp\SyncAgent.exe
            • Size 6.6MB
            • SHA256 afc3755e13cb18059c0e9026b97f607650042f296b0255cb93e265f447284c82
            • MD5 SHA1 SHA512 SSDEEP TLSH

            LICENSE.electron.txt

            • Path C:\Users\Admin\AppData\Local\Temp\nsc6113.tmp\7z-out\LICENSE.electron.txt
            • Size 1KB
            • SHA256 5154e165bd6c2cc0cfbcd8916498c7abab0497923bafcd5cb07673fe8480087d
            • MD5 SHA1 SHA512 TLSH

            LICENSES.chromium.html

            • Path C:\Users\Admin\AppData\Local\Temp\nsc6113.tmp\7z-out\LICENSES.chromium.html
            • Size 8.7MB
            • SHA256 ad35e72893910d6f6ed20f4916457417af05b94ab5204c435c35f66a058d156b
            • MD5 SHA1 SHA512 SSDEEP TLSH

            chrome_100_percent.pak

            • Path C:\Users\Admin\AppData\Local\Temp\nsc6113.tmp\7z-out\chrome_100_percent.pak
            • Size 150KB
            • SHA256 49aff5690cb9b0f54f831351aa0f64416ba180a0c4891a859fa7294e81e9c8e3
            • MD5 SHA1 SHA512 SSDEEP TLSH

            d3dcompiler_47.dll

            • Path C:\Users\Admin\AppData\Local\Temp\nsc6113.tmp\7z-out\d3dcompiler_47.dll
            • Size 4.7MB
            • SHA256 7353f25dc5cf84d09894e3e0461cef0e56799adbc617fce37620ca67240b547d
            • MD5 SHA1 SHA512 SSDEEP TLSH

            ffmpeg.dll

            • Path C:\Users\Admin\AppData\Local\Temp\nsc6113.tmp\7z-out\ffmpeg.dll
            • Size 2.7MB
            • SHA256 11daf2bf89a3ac660533b3e487e0624668b35f45d2bd94e9b0324bce8758de60
            • MD5 SHA1 SHA512 SSDEEP TLSH

            icudtl.dat

            • Path C:\Users\Admin\AppData\Local\Temp\nsc6113.tmp\7z-out\icudtl.dat
            • Size 10.2MB
            • SHA256 7bf96c193befbf23514401f8f6568076450ade52dd1595b85e4dfcf3de5f6fb9
            • MD5 SHA1 SHA512 SSDEEP TLSH

            libEGL.dll

            • Path C:\Users\Admin\AppData\Local\Temp\nsc6113.tmp\7z-out\libEGL.dll
            • Size 468KB
            • SHA256 a4336a318e8d92a47843d5fe429dc6d1ff7271d8bac189d719bc8074a128fd6e
            • MD5 SHA1 SHA512 SSDEEP TLSH

            libGLESv2.dll

            • Path C:\Users\Admin\AppData\Local\Temp\nsc6113.tmp\7z-out\libGLESv2.dll
            • Size 7.3MB
            • SHA256 7b0baa9e2e731716efe3e0bebf6a0bcd2d64f35d9f62b20d23acb4e098c9be36
            • MD5 SHA1 SHA512 SSDEEP TLSH

            tr.pak

            • Path C:\Users\Admin\AppData\Local\Temp\nsc6113.tmp\7z-out\locales\tr.pak
            • Size 523KB
            • SHA256 0fd794b314d12652ca5c1986795a00bd0116b44a3163d2ea0b26560e3ad23eee
            • MD5 SHA1 SHA512 SSDEEP TLSH

            resources.pak

            • Path C:\Users\Admin\AppData\Local\Temp\nsc6113.tmp\7z-out\resources.pak
            • Size 5.0MB
            • SHA256 1efdd507bb6f4fb07329ec7ec29ee00c952d6390bd5cfe3b41fb307c5caeab6c
            • MD5 SHA1 SHA512 SSDEEP TLSH

            app.asar

            • Path C:\Users\Admin\AppData\Local\Temp\nsc6113.tmp\7z-out\resources\app.asar
            • Size 4KB
            • SHA256 5197b573d45d16ff2a21e4234cd4dc1ee93dd128c81c437df110277150543cf8
            • MD5 SHA1 SHA512 SSDEEP TLSH

            elevate.exe

            • Path C:\Users\Admin\AppData\Local\Temp\nsc6113.tmp\7z-out\resources\elevate.exe
            • Size 105KB
            • SHA256 9b1fbf0c11c520ae714af8aa9af12cfd48503eedecd7398d8992ee94d1b4dc37
            • MD5 SHA1 SHA512 SSDEEP TLSH

            snapshot_blob.bin

            • Path C:\Users\Admin\AppData\Local\Temp\nsc6113.tmp\7z-out\snapshot_blob.bin
            • Size 299KB
            • SHA256 c1da41052abe31791ae90a9dbe54442a641e1ecbb018ef35c44e7aed05b8f72e
            • MD5 SHA1 SHA512 SSDEEP TLSH

            v8_context_snapshot.bin

            • Path C:\Users\Admin\AppData\Local\Temp\nsc6113.tmp\7z-out\v8_context_snapshot.bin
            • Size 663KB
            • SHA256 83a8345ea197020e07fe2cf53e74f31d0cc632ca1537f5c9c1db2fb2665ab04f
            • MD5 SHA1 SHA512 SSDEEP TLSH

            vk_swiftshader_icd.json

            • Path C:\Users\Admin\AppData\Local\Temp\nsc6113.tmp\7z-out\vk_swiftshader_icd.json
            • Size 106B
            • SHA256 32d83ff113fef532a9f97e0d2831f8656628ab1c99e9060f0332b1532839afd9
            • MD5 SHA1 SHA512 TLSH

            StdUtils.dll

            • Path C:\Users\Admin\AppData\Local\Temp\nsc6113.tmp\StdUtils.dll
            • Size 100KB
            • SHA256 b72e9013a6204e9f01076dc38dabbf30870d44dfc66962adbf73619d4331601e
            • MD5 SHA1 SHA512 SSDEEP TLSH

            System.dll

            • Path C:\Users\Admin\AppData\Local\Temp\nsc6113.tmp\System.dll
            • Size 12KB
            • SHA256 3eb38ae99653a7dbc724132ee240f6e5c4af4bfe7c01d31d23faf373f9f2eaca
            • MD5 SHA1 SHA512 SSDEEP TLSH

            nsis7z.dll

            • Path C:\Users\Admin\AppData\Local\Temp\nsc6113.tmp\nsis7z.dll
            • Size 424KB
            • SHA256 b393f05e8ff919ef071181050e1873c9a776e1a0ae8329aefff7007d0cadf592
            • MD5 SHA1 SHA512 SSDEEP TLSH

            VCRUNTIME140.dll

            • Path C:\Users\Admin\AppData\Local\Temp\onefile_2360_249055_98ZDlcX4olI\VCRUNTIME140.dll
            • Size 116KB
            • SHA256 4d292623516f65c80482081e62d5dadb759dc16e851de5db24c3cbb57b87db83
            • MD5 SHA1 SHA512 SSDEEP TLSH

            _ctypes.pyd

            • Path C:\Users\Admin\AppData\Local\Temp\onefile_2360_249055_98ZDlcX4olI\_ctypes.pyd
            • Size 121KB
            • SHA256 c148292328f0aab7863af82f54f613961e7cb95b7215f7a81cafaf45bd4c42b7
            • MD5 SHA1 SHA512 SSDEEP TLSH

            _socket.pyd

            • Path C:\Users\Admin\AppData\Local\Temp\onefile_2360_249055_98ZDlcX4olI\_socket.pyd
            • Size 77KB
            • SHA256 a19e3c7c03ef1b5625790b1c9c42594909311ab6df540fbf43c6aa93300ab166
            • MD5 SHA1 SHA512 SSDEEP TLSH

            libffi-8.dll

            • Path C:\Users\Admin\AppData\Local\Temp\onefile_2360_249055_98ZDlcX4olI\libffi-8.dll
            • Size 38KB
            • SHA256 eff52743773eb550fcc6ce3efc37c85724502233b6b002a35496d828bd7b280a
            • MD5 SHA1 SHA512 SSDEEP TLSH

            python311.dll

            • Path C:\Users\Admin\AppData\Local\Temp\onefile_2360_249055_98ZDlcX4olI\python311.dll
            • Size 5.5MB
            • SHA256 0817a2a657a24c0d5fbb60df56960f42fc66b3039d522ec952dab83e2d869364
            • MD5 SHA1 SHA512 SSDEEP TLSH

            select.pyd

            • Path C:\Users\Admin\AppData\Local\Temp\onefile_2360_249055_98ZDlcX4olI\select.pyd
            • Size 29KB
            • SHA256 bae0974390945520eb99ab32486c6a964691f8f4a028ac408d98fa8fb0db7d90
            • MD5 SHA1 SHA512 SSDEEP TLSH

            stub.dll

            • Path C:\Users\Admin\AppData\Local\Temp\onefile_2360_249055_98ZDlcX4olI\stub.dll
            • Size 8.1MB
            • SHA256 127f5424f436bf1b79f3571f973ce7ba296d3265ef28882c240a27b290b6224a
            • MD5 SHA1 SHA512 SSDEEP TLSH

            runner.js

            • Path C:\Users\Admin\AppData\Local\Temp\x_ha1gK4\runner.js
            • Size 4KB
            • SHA256 0a58bd8231fbf542c24ddcbb9d8236a26311b72e571523cda860a57b0b14bdb8
            • MD5 SHA1 SHA512 SSDEEP TLSH

            memory/2360-179-0x00007FF698360000-0x00007FF698A23000-memory.dmp

            memory/4648-166-0x00007FF698360000-0x00007FF698A23000-memory.dmp

            memory/4648-167-0x00007FF875370000-0x00007FF875B8D000-memory.dmp