Analysis

  • user interaction
    yes
  • max time kernel
    22s
  • max time network
    10s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    22/10/2026, 15:38

General

  • Target
    lunyq.exe
  • Size 9.4MB
  • Sample261022-s3c6ra1zhy
  • SHA256 303f9af07006f7e03bf9bc7f6739aaa41f634ed875056557b285b247c6b1f6a2
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

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

    Attempt to gather information on host network.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Kills process with taskkill 10 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 10 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 25 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\lunyq.exe
    "C:\Users\Admin\AppData\Local\Temp\lunyq.exe"
    1⤵
    • Checks whether UAC is enabled
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:3564
    • C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\msedgewebview2.exe
      "C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\msedgewebview2.exe" --embedded-browser-webview=1 --webview-exe-name=lunyq.exe --webview-exe-version=1.0.0 --user-data-dir="C:\Users\Admin\AppData\Local\com.lunyq.app\EBWebView" --noerrdialogs --embedded-browser-webview-dpi-awareness=2 --edge-webview-custom-scheme --autoplay-policy=no-user-gesture-required --disable-features=msWebOOUI,msPdfOOUI,msSmartScreenProtection --enable-features=MojoIpcz --lang=en-US --accept-lang=en-US --mojo-named-platform-channel-pipe=3564.408.10898717619566814053 /pfhostedapp:263e3c5308d3feced915767a4caebfef17ce301a
      2⤵
      • Enumerates system info in registry
      • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
      • Suspicious use of WriteProcessMemory
      PID:5628
      • C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\msedgewebview2.exe
        "C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\msedgewebview2.exe" --type=crashpad-handler --user-data-dir=C:\Users\Admin\AppData\Local\com.lunyq.app\EBWebView /prefetch:4 /pfhostedapp:263e3c5308d3feced915767a4caebfef17ce301a --monitor-self-annotation=ptype=crashpad-handler --database=C:\Users\Admin\AppData\Local\com.lunyq.app\EBWebView\Crashpad --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=122.0.6261.139 "--annotation=exe=C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\msedgewebview2.exe" --annotation=plat=Win64 "--annotation=prod=Edge WebView2" --annotation=ver=122.0.2365.106 --initial-client-data=0x188,0x18c,0x190,0x184,0x160,0x7ffd7cc25fd8,0x7ffd7cc25fe4,0x7ffd7cc25ff0
        3⤵
          PID:5876
        • C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\msedgewebview2.exe
          "C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\msedgewebview2.exe" --type=gpu-process --noerrdialogs --user-data-dir="C:\Users\Admin\AppData\Local\com.lunyq.app\EBWebView" --webview-exe-name=lunyq.exe --webview-exe-version=1.0.0 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --edge-webview-custom-scheme --no-appcompat-clear --gpu-preferences=WAAAAAAAAADgAAAMAAAAAAAAAAAAAAAAAABgAAAAAAA4AAAAAAAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAGAAAAAAAAAAYAAAAAAAAAAgAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --mojo-platform-channel-handle=1768 --field-trial-handle=1772,i,9585995705582466663,14386862557922962683,262144 --enable-features=MojoIpcz --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version /prefetch:2 /pfhostedapp:263e3c5308d3feced915767a4caebfef17ce301a
          3⤵
            PID:5308
          • C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\msedgewebview2.exe
            "C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\msedgewebview2.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --noerrdialogs --user-data-dir="C:\Users\Admin\AppData\Local\com.lunyq.app\EBWebView" --webview-exe-name=lunyq.exe --webview-exe-version=1.0.0 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --edge-webview-custom-scheme --no-appcompat-clear --mojo-platform-channel-handle=2224 --field-trial-handle=1772,i,9585995705582466663,14386862557922962683,262144 --enable-features=MojoIpcz --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version /prefetch:3 /pfhostedapp:263e3c5308d3feced915767a4caebfef17ce301a
            3⤵
              PID:1388
            • C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\msedgewebview2.exe
              "C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\msedgewebview2.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --lang=en-US --service-sandbox-type=service --noerrdialogs --user-data-dir="C:\Users\Admin\AppData\Local\com.lunyq.app\EBWebView" --webview-exe-name=lunyq.exe --webview-exe-version=1.0.0 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --edge-webview-custom-scheme --no-appcompat-clear --mojo-platform-channel-handle=2284 --field-trial-handle=1772,i,9585995705582466663,14386862557922962683,262144 --enable-features=MojoIpcz --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version /prefetch:8 /pfhostedapp:263e3c5308d3feced915767a4caebfef17ce301a
              3⤵
                PID:2624
              • C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\msedgewebview2.exe
                "C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\msedgewebview2.exe" --type=renderer --noerrdialogs --user-data-dir="C:\Users\Admin\AppData\Local\com.lunyq.app\EBWebView" --webview-exe-name=lunyq.exe --webview-exe-version=1.0.0 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --edge-webview-custom-scheme --no-appcompat-clear --autoplay-policy=no-user-gesture-required --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=" --mojo-platform-channel-handle=3348 --field-trial-handle=1772,i,9585995705582466663,14386862557922962683,262144 --enable-features=MojoIpcz --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version /pfhostedapp:263e3c5308d3feced915767a4caebfef17ce301a /prefetch:1
                3⤵
                  PID:5636
              • C:\Windows\system32\taskkill.exe
                "taskkill.exe" /im "Lunar Client.exe" /f
                2⤵
                • Kills process with taskkill
                • Suspicious use of AdjustPrivilegeToken
                PID:4952
              • C:\Windows\system32\taskkill.exe
                "taskkill.exe" /im "Lunar Client.exe" /f
                2⤵
                • Kills process with taskkill
                • Suspicious use of AdjustPrivilegeToken
                PID:2680
              • C:\Windows\system32\taskkill.exe
                "taskkill.exe" /im "Lunar Client.exe" /f
                2⤵
                • Kills process with taskkill
                • Suspicious use of AdjustPrivilegeToken
                PID:4804
              • C:\Windows\system32\taskkill.exe
                "taskkill.exe" /im "Lunar Client.exe" /f
                2⤵
                • Kills process with taskkill
                • Suspicious use of AdjustPrivilegeToken
                PID:2332
              • C:\Windows\system32\taskkill.exe
                "taskkill.exe" /im "Lunar Client.exe" /f
                2⤵
                • Kills process with taskkill
                • Suspicious use of AdjustPrivilegeToken
                PID:1300
              • C:\Windows\system32\taskkill.exe
                "taskkill.exe" /im "Lunar Client.exe" /f
                2⤵
                • Kills process with taskkill
                • Suspicious use of AdjustPrivilegeToken
                PID:5676
              • C:\Windows\system32\taskkill.exe
                "taskkill.exe" /im "Lunar Client.exe" /f
                2⤵
                • Kills process with taskkill
                • Suspicious use of AdjustPrivilegeToken
                PID:6056
              • C:\Windows\system32\taskkill.exe
                "taskkill.exe" /im "Lunar Client.exe" /f
                2⤵
                • Kills process with taskkill
                • Suspicious use of AdjustPrivilegeToken
                PID:2188
              • C:\Windows\system32\taskkill.exe
                "taskkill.exe" /im "Lunar Client.exe" /f
                2⤵
                • Kills process with taskkill
                • Suspicious use of AdjustPrivilegeToken
                PID:4400
              • C:\Windows\system32\taskkill.exe
                "taskkill.exe" /im "Lunar Client.exe" /f
                2⤵
                • Kills process with taskkill
                • Suspicious use of AdjustPrivilegeToken
                PID:1372

            Network

                  MITRE ATT&CK Enterprise v16

                  Replay Monitor

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                  Downloads

                  agent.jar

                  • Path C:\Users\Admin\.lunarclient\agents\agent.jar
                  • Size 4.9MB
                  • SHA256 f437790d9f8be697d7767bd4bcc1b7513aa2e7eb7782dc5ea2f0fa20a6e04ea2
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  57815c78-361d-443b-8c3e-5b1f134602ae.tmp

                  • Path C:\Users\Admin\AppData\Local\com.lunyq.app\EBWebView\57815c78-361d-443b-8c3e-5b1f134602ae.tmp
                  • Size 3KB
                  • SHA256 946b3280e5894ab769deacbe1b7a0316e2b948b8c22900c85e8086a2e1c82d79
                  • MD5 SHA1 SHA512 TLSH

                  7fa22023-b164-478a-8176-0ec16d4126f2.tmp

                  • Path C:\Users\Admin\AppData\Local\com.lunyq.app\EBWebView\7fa22023-b164-478a-8176-0ec16d4126f2.tmp
                  • Size 15KB
                  • SHA256 2bbaa0cc06f39a68be974cab7c38fbf335bb29f9e2af4877a02c044c43f6626f
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  settings.dat

                  • Path C:\Users\Admin\AppData\Local\com.lunyq.app\EBWebView\Crashpad\settings.dat
                  • Size 280B
                  • SHA256 2ef26ad988b31ad00b54388673aa111d234ba75c4b59307dcf169e707b1c0075
                  • MD5 SHA1 SHA512 TLSH

                  settings.dat

                  • Path C:\Users\Admin\AppData\Local\com.lunyq.app\EBWebView\Crashpad\settings.dat
                  • Size 280B
                  • SHA256 aec17b42975e5a25f0d94b5cb000b8eed61af8275dbd2dd301ec1537b0462d29
                  • MD5 SHA1 SHA512

                  throttle_store.dat

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

                  temp-index

                  • Path C:\Users\Admin\AppData\Local\com.lunyq.app\EBWebView\Default\Code Cache\js\index-dir\temp-index
                  • Size 72B
                  • SHA256 8e62a71aa47a7ed751c6e4786eee13b4fe2ae54ca117c5fe9596dada1a70e8e0
                  • MD5 SHA1 SHA512 TLSH

                  the-real-index

                  • Path C:\Users\Admin\AppData\Local\com.lunyq.app\EBWebView\Default\Code Cache\js\index-dir\the-real-index
                  • Size 48B
                  • SHA256 2bed7d85d447c5d81ff76604e2e7b3d47c09626129851b75253fbc4e5098100a
                  • MD5 SHA1 SHA512

                  SCT Auditing Pending Reports

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

                  CURRENT

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

                  MANIFEST-000001

                  • Path C:\Users\Admin\AppData\Local\com.lunyq.app\EBWebView\Default\shared_proto_db\metadata\MANIFEST-000001
                  • Size 41B
                  • SHA256 f9d31b278e215eb0d0e9cd709edfa037e828f36214ab7906f612160fead4b2b4
                  • MD5 SHA1 SHA512

                  data_0

                  • Path C:\Users\Admin\AppData\Local\com.lunyq.app\EBWebView\GrShaderCache\data_0
                  • Size 8KB
                  • SHA256 d6a5fe39cd672781b256e0e3102f7022635f1d4bb7cfcc90a80fffe4d0f3877e
                  • MD5 SHA1 SHA512 SSDEEP

                  data_1

                  • Path C:\Users\Admin\AppData\Local\com.lunyq.app\EBWebView\GrShaderCache\data_1
                  • Size 264KB
                  • SHA256 902f30c1fb0597d0734bc34b979ec5d131f8f39a4b71b338083821216ec8d61b
                  • MD5 SHA1 SHA512 SSDEEP

                  data_2

                  • Path C:\Users\Admin\AppData\Local\com.lunyq.app\EBWebView\GrShaderCache\data_2
                  • Size 8KB
                  • SHA256 ec1702806f4cc7c42a82fc2b38e89835fde7c64bb32060e0823c9077ca92efb7
                  • MD5 SHA1 SHA512 SSDEEP

                  data_3

                  • Path C:\Users\Admin\AppData\Local\com.lunyq.app\EBWebView\GrShaderCache\data_3
                  • Size 8KB
                  • SHA256 e09f42c398d688dce168570291f1f92d079987deda3099a34adb9e8c0522b30c
                  • MD5 SHA1 SHA512 SSDEEP

                  Local State

                  • Path C:\Users\Admin\AppData\Local\com.lunyq.app\EBWebView\Local State
                  • Size 1KB
                  • SHA256 333dedbf0c8cccc4a89bbb8c193fa09912acac561765dfe00a97b87a58a179ea
                  • MD5 SHA1 SHA512 TLSH

                  c345e6d4-af6c-4ca9-b1c4-f61ac91b04d7.tmp

                  • Path C:\Users\Admin\AppData\Local\com.lunyq.app\EBWebView\c345e6d4-af6c-4ca9-b1c4-f61ac91b04d7.tmp
                  • Size 2KB
                  • SHA256 d990f23644c50a4090999c75a5650e7134eefd08d416d3a7758a1ce2254d7d8c
                  • MD5 SHA1 SHA512 TLSH

                  config.json

                  • Path C:\Users\Admin\AppData\Roaming\lunyq\config.json
                  • Size 389B
                  • SHA256 ed844901060dbc52752ac0ecea6db4a82889b2e3c79be6f10d2dc66e2492ddcb
                  • MD5 SHA1 SHA512 TLSH

                  memory/5308-198-0x00000157CC830000-0x00000157CC946000-memory.dmp

                  memory/5308-27-0x00007FFD9EF80000-0x00007FFD9EF81000-memory.dmp

                  memory/5636-219-0x00000213C8C90000-0x00000213C8DA6000-memory.dmp

                  memory/5636-65-0x00007FFD9EF80000-0x00007FFD9EF81000-memory.dmp