Analysis

  • user interaction
    yes
  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    28/06/2026, 01:06

General

  • Target
    STRK Loader Public.exe
  • Size 2.8MB
  • Sample260628-bf3z8aex5x
  • SHA256 e867fd547b84be66a9b4595da1eb6536da20d1ee027ab6e16c6cca3c59a59312
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Loads dropped DLL 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Network Share Discovery 1 TTPs

    Attempt to gather information on host network.

  • Drops file in Program Files directory 8 IoCs
  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies data under HKEY_USERS 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 23 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\STRK Loader Public.exe
    "C:\Users\Admin\AppData\Local\Temp\STRK Loader Public.exe"
    1⤵
    • Loads dropped DLL
    • Checks whether UAC is enabled
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1464
    • C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe
      "C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe" --embedded-browser-webview=1 --webview-exe-name="STRK Loader Public.exe" --webview-exe-version=0.0.0.0 --user-data-dir="C:\Users\Admin\AppData\Local\STRKLoader\WebView2\EBWebView" --noerrdialogs --embedded-browser-webview-dpi-awareness=2 --mojo-named-platform-channel-pipe=1464.816.4305005386263276278
      2⤵
      • Drops file in Program Files directory
      • Enumerates system info in registry
      • Modifies data under HKEY_USERS
      • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
      • Suspicious use of WriteProcessMemory
      PID:4192
      • C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe
        "C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe" --type=crashpad-handler --user-data-dir=C:\Users\Admin\AppData\Local\STRKLoader\WebView2\EBWebView /prefetch:4 --monitor-self-annotation=ptype=crashpad-handler --database=C:\Users\Admin\AppData\Local\STRKLoader\WebView2\EBWebView\Crashpad --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=132.0.6834.160 "--annotation=exe=C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe" --annotation=plat=Win64 "--annotation=prod=Edge WebView2" --annotation=ver=132.0.2957.140 --initial-client-data=0x158,0x15c,0x160,0x134,0x168,0x7ffc0981b078,0x7ffc0981b084,0x7ffc0981b090
        3⤵
          PID:3360
        • C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe
          "C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe" --type=gpu-process --string-annotations --noerrdialogs --user-data-dir="C:\Users\Admin\AppData\Local\STRKLoader\WebView2\EBWebView" --webview-exe-name="STRK Loader Public.exe" --webview-exe-version=0.0.0.0 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --gpu-preferences=UAAAAAAAAADgAAAEAAAAAAAAAAAAAAAAAABgAAEAAAAAAAAAAAAAAAAAAAACAAAAAAAAAAAAAAAAAAAAAAAAABAAAAAAAAAAEAAAAAAAAAAIAAAAAAAAAAgAAAAAAAAA --always-read-main-dll --field-trial-handle=1744,i,6909522656592005049,10766390301915369826,262144 --variations-seed-version --mojo-platform-channel-handle=1696 /prefetch:2
          3⤵
            PID:4120
          • C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe
            "C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --string-annotations --noerrdialogs --user-data-dir="C:\Users\Admin\AppData\Local\STRKLoader\WebView2\EBWebView" --webview-exe-name="STRK Loader Public.exe" --webview-exe-version=0.0.0.0 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --always-read-main-dll --field-trial-handle=2040,i,6909522656592005049,10766390301915369826,262144 --variations-seed-version --mojo-platform-channel-handle=2052 /prefetch:3
            3⤵
              PID:224
            • C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe
              "C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --lang=en-US --service-sandbox-type=service --string-annotations --noerrdialogs --user-data-dir="C:\Users\Admin\AppData\Local\STRKLoader\WebView2\EBWebView" --webview-exe-name="STRK Loader Public.exe" --webview-exe-version=0.0.0.0 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --always-read-main-dll --field-trial-handle=2384,i,6909522656592005049,10766390301915369826,262144 --variations-seed-version --mojo-platform-channel-handle=2396 /prefetch:8
              3⤵
                PID:3464
              • C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe
                "C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe" --type=renderer --string-annotations --noerrdialogs --user-data-dir="C:\Users\Admin\AppData\Local\STRKLoader\WebView2\EBWebView" --webview-exe-name="STRK Loader Public.exe" --webview-exe-version=0.0.0.0 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --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 --js-flags="--harmony-weak-refs-with-cleanup-some --expose-gc --ms-user-locale=" --always-read-main-dll --field-trial-handle=3632,i,6909522656592005049,10766390301915369826,262144 --variations-seed-version --mojo-platform-channel-handle=3640 /prefetch:1
                3⤵
                  PID:1928
                • C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe
                  "C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --lang=en-US --service-sandbox-type=service --string-annotations --noerrdialogs --user-data-dir="C:\Users\Admin\AppData\Local\STRKLoader\WebView2\EBWebView" --webview-exe-name="STRK Loader Public.exe" --webview-exe-version=0.0.0.0 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --always-read-main-dll --field-trial-handle=4536,i,6909522656592005049,10766390301915369826,262144 --variations-seed-version --mojo-platform-channel-handle=4532 /prefetch:8
                  3⤵
                    PID:2316
                  • C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe
                    "C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --lang=en-US --service-sandbox-type=service --string-annotations --noerrdialogs --user-data-dir="C:\Users\Admin\AppData\Local\STRKLoader\WebView2\EBWebView" --webview-exe-name="STRK Loader Public.exe" --webview-exe-version=0.0.0.0 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --always-read-main-dll --field-trial-handle=752,i,6909522656592005049,10766390301915369826,262144 --variations-seed-version --mojo-platform-channel-handle=2244 /prefetch:8
                    3⤵
                      PID:3556
                    • C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe
                      "C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe" --type=gpu-process --disable-gpu-sandbox --use-gl=disabled --gpu-vendor-id=5140 --gpu-device-id=140 --gpu-sub-system-id=0 --gpu-revision=0 --gpu-driver-version=10.0.19041.546 --string-annotations --noerrdialogs --user-data-dir="C:\Users\Admin\AppData\Local\STRKLoader\WebView2\EBWebView" --webview-exe-name="STRK Loader Public.exe" --webview-exe-version=0.0.0.0 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --gpu-preferences=UAAAAAAAAADoAAAEAAAAAAAAAAAAAAAAAABgAAEAAAAAAAAAAAAAAAAAAABCAAAAAAAAAAAAAAAAAAAAAAAAABAAAAAAAAAAEAAAAAAAAAAIAAAAAAAAAAgAAAAAAAAA --always-read-main-dll --field-trial-handle=2244,i,6909522656592005049,10766390301915369826,262144 --variations-seed-version --mojo-platform-channel-handle=3932 /prefetch:8
                      3⤵
                      • Suspicious behavior: EnumeratesProcesses
                      PID:2220
                    • C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe
                      "C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --lang=en-US --service-sandbox-type=service --string-annotations --noerrdialogs --user-data-dir="C:\Users\Admin\AppData\Local\STRKLoader\WebView2\EBWebView" --webview-exe-name="STRK Loader Public.exe" --webview-exe-version=0.0.0.0 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --always-read-main-dll --field-trial-handle=2312,i,6909522656592005049,10766390301915369826,262144 --variations-seed-version --mojo-platform-channel-handle=4620 /prefetch:8
                      3⤵
                        PID:1652
                    • C:\Windows\SYSTEM32\cmd.exe
                      "cmd.exe" /c python --version 2>&1
                      2⤵
                        PID:2944
                      • C:\Windows\SYSTEM32\cmd.exe
                        "cmd.exe" /c py --version 2>&1
                        2⤵
                          PID:4976
                        • C:\Windows\SYSTEM32\cmd.exe
                          "cmd.exe" /c frida --version 2>&1
                          2⤵
                            PID:5084
                          • C:\Windows\SYSTEM32\cmd.exe
                            "cmd.exe" /c python -m frida --version 2>&1
                            2⤵
                              PID:4212
                            • C:\Windows\SYSTEM32\cmd.exe
                              "cmd.exe" /c node --version 2>&1
                              2⤵
                                PID:4260

                            Network

                                  MITRE ATT&CK Enterprise v16

                                  Replay Monitor

                                  Loading Replay Monitor...

                                  Downloads

                                  manifest.json

                                  • Path C:\Program Files\chrome_Unpacker_BeginUnzipping4192_1453583523\manifest.json
                                  • Size 43B
                                  • SHA256 81bd82ac27612a58be30a72dd8956b13f883e32ffb54a58076bd6a42b8afaeea
                                  • MD5 SHA1 SHA512

                                  manifest.json

                                  • Path C:\Program Files\chrome_Unpacker_BeginUnzipping4192_596475913\manifest.json
                                  • Size 135B
                                  • SHA256 ba5c9096d20a482aaa1aa9e5f98ad6127d3e97c2f21de84f7c78d9b8073c8e26
                                  • MD5 SHA1 SHA512 TLSH

                                  crl-set

                                  • Path C:\Program Files\chrome_Unpacker_BeginUnzipping4192_79879493\crl-set
                                  • Size 22KB
                                  • SHA256 6ddcaf50aaff98b960d067054ce2ce17872ac0719d02abbb7fe56b9eabc818f2
                                  • MD5 SHA1 SHA512 SSDEEP TLSH

                                  manifest.json

                                  • Path C:\Program Files\chrome_Unpacker_BeginUnzipping4192_79879493\manifest.json
                                  • Size 113B
                                  • SHA256 98821f71a1973ac61b45967ce0c121eb598ac6e95abaa23c912d2f33e4237d8c
                                  • MD5 SHA1 SHA512 TLSH

                                  protocols.json

                                  • Path C:\Users\Admin\AppData\Local\STRKLoader\WebView2\EBWebView\AutoLaunchProtocolsComponent\1.0.0.10\protocols.json
                                  • Size 3KB
                                  • SHA256 4fd800e7b1a5fb24b13fac2e31946d205012b7c28d8c61580b0669b2fa3517cc
                                  • MD5 SHA1 SHA512 TLSH

                                  settings.dat

                                  • Path C:\Users\Admin\AppData\Local\STRKLoader\WebView2\EBWebView\Crashpad\settings.dat
                                  • Size 280B
                                  • SHA256 2da80fc13e27895a9163708aa63633b5cc25cd537557c42b36b28df1bbb3811a
                                  • MD5 SHA1 SHA512 TLSH

                                  settings.dat

                                  • Path C:\Users\Admin\AppData\Local\STRKLoader\WebView2\EBWebView\Crashpad\settings.dat
                                  • Size 280B
                                  • SHA256 c0b0dee8291cc374658196901b0c9ac2772cdf5228e620b1fe009363b59ab7bf
                                  • MD5 SHA1 SHA512 TLSH

                                  throttle_store.dat

                                  • Path C:\Users\Admin\AppData\Local\STRKLoader\WebView2\EBWebView\Crashpad\throttle_store.dat
                                  • Size 20B
                                  • SHA256 41c91a9c93d76295746a149dce7ebb3b9ee2cb551d84365fff108e59a61cc304
                                  • MD5 SHA1 SHA512

                                  data_0

                                  • Path C:\Users\Admin\AppData\Local\STRKLoader\WebView2\EBWebView\Default\DawnWebGPUCache\data_0
                                  • Size 8KB
                                  • SHA256 d6a5fe39cd672781b256e0e3102f7022635f1d4bb7cfcc90a80fffe4d0f3877e
                                  • MD5 SHA1 SHA512 SSDEEP

                                  data_1

                                  • Path C:\Users\Admin\AppData\Local\STRKLoader\WebView2\EBWebView\Default\DawnWebGPUCache\data_1
                                  • Size 264KB
                                  • SHA256 902f30c1fb0597d0734bc34b979ec5d131f8f39a4b71b338083821216ec8d61b
                                  • MD5 SHA1 SHA512 SSDEEP

                                  data_2

                                  • Path C:\Users\Admin\AppData\Local\STRKLoader\WebView2\EBWebView\Default\DawnWebGPUCache\data_2
                                  • Size 8KB
                                  • SHA256 ec1702806f4cc7c42a82fc2b38e89835fde7c64bb32060e0823c9077ca92efb7
                                  • MD5 SHA1 SHA512 SSDEEP

                                  data_3

                                  • Path C:\Users\Admin\AppData\Local\STRKLoader\WebView2\EBWebView\Default\DawnWebGPUCache\data_3
                                  • Size 8KB
                                  • SHA256 e09f42c398d688dce168570291f1f92d079987deda3099a34adb9e8c0522b30c
                                  • MD5 SHA1 SHA512 SSDEEP

                                  MANIFEST-000001

                                  • Path C:\Users\Admin\AppData\Local\STRKLoader\WebView2\EBWebView\Default\Extension Rules\MANIFEST-000001
                                  • Size 41B
                                  • SHA256 f9d31b278e215eb0d0e9cd709edfa037e828f36214ab7906f612160fead4b2b4
                                  • MD5 SHA1 SHA512

                                  Network Persistent State

                                  • Path C:\Users\Admin\AppData\Local\STRKLoader\WebView2\EBWebView\Default\Network\Network Persistent State
                                  • Size 111B
                                  • SHA256 5dfc321417fc31359f23320ea68014ebfd793c5bbed55f77dab4180bbd4a2026
                                  • MD5 SHA1 SHA512 TLSH

                                  Network Persistent State~RFe596c8b.TMP

                                  • Path C:\Users\Admin\AppData\Local\STRKLoader\WebView2\EBWebView\Default\Network\Network Persistent State~RFe596c8b.TMP
                                  • Size 59B
                                  • SHA256 226eec4486509917aa336afebd6ff65777b75b65f1fb06891d2a857a9421a974
                                  • MD5 SHA1 SHA512 TLSH

                                  SCT Auditing Pending Reports

                                  • Path C:\Users\Admin\AppData\Local\STRKLoader\WebView2\EBWebView\Default\Network\SCT Auditing Pending Reports
                                  • Size 2B
                                  • SHA256 4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945
                                  • MD5 SHA1 SHA512

                                  Preferences

                                  • Path C:\Users\Admin\AppData\Local\STRKLoader\WebView2\EBWebView\Default\Preferences
                                  • Size 6KB
                                  • SHA256 51e12881bc7ba2eaa7fde052f2232d2c1399f807d466ffa656fe41a131c92e69
                                  • MD5 SHA1 SHA512 SSDEEP TLSH

                                  Preferences~RFe58e4fc.TMP

                                  • Path C:\Users\Admin\AppData\Local\STRKLoader\WebView2\EBWebView\Default\Preferences~RFe58e4fc.TMP
                                  • Size 6KB
                                  • SHA256 fa3fb9c7277a61eb8c069e3d3b34b35f0a9ff07c37ab19a22b5ba21fd5da5054
                                  • MD5 SHA1 SHA512 SSDEEP TLSH

                                  CURRENT

                                  • Path C:\Users\Admin\AppData\Local\STRKLoader\WebView2\EBWebView\Default\Site Characteristics Database\CURRENT
                                  • Size 16B
                                  • SHA256 0f1bad70c7bd1e0a69562853ec529355462fcd0423263a3d39d6d0d70b780443
                                  • MD5 SHA1 SHA512

                                  Local State

                                  • Path C:\Users\Admin\AppData\Local\STRKLoader\WebView2\EBWebView\Local State
                                  • Size 1KB
                                  • SHA256 3751e1e95249986429f37cdccfbc49be242db26d41a77bac036cf12d246ee69b
                                  • MD5 SHA1 SHA512 TLSH

                                  Local State

                                  • Path C:\Users\Admin\AppData\Local\STRKLoader\WebView2\EBWebView\Local State
                                  • Size 2KB
                                  • SHA256 45d056b4f309445dfde81c4b91f658cc1fba444509de6cb55b739a6232720d92
                                  • MD5 SHA1 SHA512 TLSH

                                  Local State

                                  • Path C:\Users\Admin\AppData\Local\STRKLoader\WebView2\EBWebView\Local State
                                  • Size 3KB
                                  • SHA256 107fb9af2a4314f34ca1c246802f28666d0a358bfa761916e94437cf8ee1ea0d
                                  • MD5 SHA1 SHA512 TLSH

                                  Local State

                                  • Path C:\Users\Admin\AppData\Local\STRKLoader\WebView2\EBWebView\Local State
                                  • Size 16KB
                                  • SHA256 e21cf685dd0feae7596dfa9a2bdb6655501e47c2b65e8ffb0188509600d3393b
                                  • MD5 SHA1 SHA512 SSDEEP TLSH

                                  Local State~RFe5845de.TMP

                                  • Path C:\Users\Admin\AppData\Local\STRKLoader\WebView2\EBWebView\Local State~RFe5845de.TMP
                                  • Size 1KB
                                  • SHA256 aa6c20e1eb3e76ebd6800205a8246b65770679564b2dc646e7a3a870c29d371a
                                  • MD5 SHA1 SHA512 TLSH

                                  WebView2Loader.dll

                                  • Path C:\Users\Admin\AppData\Local\STRKLoader\dlls\WebView2Loader.dll
                                  • Size 155KB
                                  • SHA256 bb5fda5f2d3aae5e0977ab28d8a8a00acfd63d73748aaac32daf4fc6645b6677
                                  • MD5 SHA1 SHA512 SSDEEP TLSH

                                  memory/1464-0-0x0000000000540000-0x000000000080E000-memory.dmp

                                  memory/1464-236-0x000000001C410000-0x000000001C420000-memory.dmp

                                  memory/1464-238-0x000000001C410000-0x000000001C420000-memory.dmp

                                  memory/1464-3-0x0000000001100000-0x0000000001112000-memory.dmp

                                  memory/1464-2-0x000000001C410000-0x000000001C420000-memory.dmp

                                  memory/1464-28-0x0000000001130000-0x000000000113E000-memory.dmp

                                  memory/1464-35-0x000000001C410000-0x000000001C420000-memory.dmp

                                  memory/1464-1-0x00000000010A0000-0x00000000010A6000-memory.dmp

                                  memory/1464-32-0x000000001DDD0000-0x000000001DE72000-memory.dmp

                                  memory/1928-182-0x00007FFC2B5A0000-0x00007FFC2B5A1000-memory.dmp

                                  memory/2220-355-0x000001910D130000-0x000001910D131000-memory.dmp

                                  memory/2220-366-0x000001910D130000-0x000001910D131000-memory.dmp

                                  memory/2220-361-0x000001910D130000-0x000001910D131000-memory.dmp

                                  memory/2220-357-0x000001910D130000-0x000001910D131000-memory.dmp

                                  memory/2220-356-0x000001910D130000-0x000001910D131000-memory.dmp

                                  memory/2220-363-0x000001910D130000-0x000001910D131000-memory.dmp

                                  memory/2220-367-0x000001910D130000-0x000001910D131000-memory.dmp

                                  memory/2220-362-0x000001910D130000-0x000001910D131000-memory.dmp

                                  memory/2220-365-0x000001910D130000-0x000001910D131000-memory.dmp

                                  memory/2220-364-0x000001910D130000-0x000001910D131000-memory.dmp

                                  memory/3464-113-0x00007FFC2A900000-0x00007FFC2A901000-memory.dmp

                                  memory/3464-111-0x00007FFC2ACB0000-0x00007FFC2ACB1000-memory.dmp

                                  memory/4120-61-0x00007FFC2B5A0000-0x00007FFC2B5A1000-memory.dmp

                                  memory/4192-237-0x000001E991DF0000-0x000001E991E7B000-memory.dmp