Analysis

  • user interaction
    yes
  • max time kernel
    50s
  • max time network
    45s
  • platform
    windows10-ltsc_2021_x64
  • resource
    win10ltsc2021-20260126-en
  • resource tags

    arch:x64arch:x86image:win10ltsc2021-20260126-enlocale:en-usos:windows10-ltsc_2021-x64system
  • submitted
    18/04/2026, 03:16

General

  • Target
    Solara.7z
  • Size 9.3MB
  • Sample260418-dsw4jsfx6w
  • SHA256 2911f9d1de350679e2bfcd6c1d987a6b1d511b99e8b4986ffa1deca09397a3fe
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 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 Windows directory 1 IoCs
  • Embeds OpenSSL 1 IoCs

    Embeds OpenSSL, may be used to circumvent TLS interception.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies data under HKEY_USERS 2 IoCs
  • Modifies registry class 5 IoCs
  • Modifies system certificate store 2 TTPs 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 32 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Program Files\7-Zip\7zFM.exe
    "C:\Program Files\7-Zip\7zFM.exe" "C:\Users\Admin\AppData\Local\Temp\Solara.7z"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:4508
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:5936
    • C:\Users\Admin\Desktop\Solara\Solara.exe
      "C:\Users\Admin\Desktop\Solara\Solara.exe"
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks whether UAC is enabled
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:5440
      • 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=Solara.exe --webview-exe-version=3.0.0.0 --user-data-dir="C:\Users\Admin\AppData\Local\SolaraWebView2\EBWebView" --noerrdialogs --embedded-browser-webview-dpi-awareness=1 --mojo-named-platform-channel-pipe=5440.4376.12577700620338528871
        2⤵
        • Drops file in Windows directory
        • Enumerates system info in registry
        • Modifies data under HKEY_USERS
        • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
        • Suspicious use of WriteProcessMemory
        PID:4696
        • 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\SolaraWebView2\EBWebView /prefetch:4 --monitor-self-annotation=ptype=crashpad-handler --database=C:\Users\Admin\AppData\Local\SolaraWebView2\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=0x1a0,0x1a4,0x1a8,0x17c,0x1b0,0x7ffcb80bb078,0x7ffcb80bb084,0x7ffcb80bb090
          3⤵
            PID:3568
          • 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\SolaraWebView2\EBWebView" --webview-exe-name=Solara.exe --webview-exe-version=3.0.0.0 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=1 --gpu-preferences=UAAAAAAAAADgAAAEAAAAAAAAAAAAAAAAAABgAAEAAAAAAAAAAAAAAAAAAAACAAAAAAAAAAAAAAAAAAAAAAAAABAAAAAAAAAAEAAAAAAAAAAIAAAAAAAAAAgAAAAAAAAA --always-read-main-dll --field-trial-handle=1832,i,2819705079817048127,2343093691594230899,262144 --variations-seed-version --mojo-platform-channel-handle=1824 /prefetch:2
            3⤵
              PID:4020
            • 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\SolaraWebView2\EBWebView" --webview-exe-name=Solara.exe --webview-exe-version=3.0.0.0 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=1 --always-read-main-dll --field-trial-handle=1968,i,2819705079817048127,2343093691594230899,262144 --variations-seed-version --mojo-platform-channel-handle=1936 /prefetch:3
              3⤵
                PID:3480
              • 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\SolaraWebView2\EBWebView" --webview-exe-name=Solara.exe --webview-exe-version=3.0.0.0 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=1 --always-read-main-dll --field-trial-handle=2260,i,2819705079817048127,2343093691594230899,262144 --variations-seed-version --mojo-platform-channel-handle=2340 /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\SolaraWebView2\EBWebView" --webview-exe-name=Solara.exe --webview-exe-version=3.0.0.0 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=1 --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=3480,i,2819705079817048127,2343093691594230899,262144 --variations-seed-version --mojo-platform-channel-handle=3508 /prefetch:1
                  3⤵
                    PID:4916
              • C:\Users\Admin\Desktop\Solara\SLaunch.exe
                "C:\Users\Admin\Desktop\Solara\SLaunch.exe"
                1⤵
                • Executes dropped EXE
                • Modifies registry class
                PID:3128

              Network

                    MITRE ATT&CK Enterprise v16

                    Replay Monitor

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                    Downloads

                    qre3bukx.newcfg

                    • Path C:\Users\Admin\AppData\Local\CMD_Softworks\Solara.exe_Url_vuwrx3txhxtzok0u3lwmvxxf0mqja3mh\1.0.0.0\qre3bukx.newcfg
                    • Size 935B
                    • SHA256 0f751771f2088db72f3fb00851208fff1e57de56d5cfd53154576e57ea16ca39
                    • MD5 SHA1 SHA512 TLSH

                    user.config

                    • Path C:\Users\Admin\AppData\Local\CMD_Softworks\Solara.exe_Url_vuwrx3txhxtzok0u3lwmvxxf0mqja3mh\1.0.0.0\user.config
                    • Size 815B
                    • SHA256 8c07ca027ee07a4a9ab98b17facadd032986912853b38e11840414114d53a395
                    • MD5 SHA1 SHA512 TLSH

                    settings.dat

                    • Path C:\Users\Admin\AppData\Local\SolaraWebView2\EBWebView\Crashpad\settings.dat
                    • Size 280B
                    • SHA256 b603a3355f9b10434480f389a7cb71c32f3516b472be5b6bf82063caacfb9e3d
                    • MD5 SHA1 SHA512

                    settings.dat

                    • Path C:\Users\Admin\AppData\Local\SolaraWebView2\EBWebView\Crashpad\settings.dat
                    • Size 280B
                    • SHA256 a833353a7f034e548b72e0350b71d9f53656e2dbf5b56a37349c9c4ed0f143e3
                    • MD5 SHA1 SHA512 TLSH

                    throttle_store.dat

                    • Path C:\Users\Admin\AppData\Local\SolaraWebView2\EBWebView\Crashpad\throttle_store.dat
                    • Size 20B
                    • SHA256 41c91a9c93d76295746a149dce7ebb3b9ee2cb551d84365fff108e59a61cc304
                    • MD5 SHA1 SHA512

                    the-real-index

                    • Path C:\Users\Admin\AppData\Local\SolaraWebView2\EBWebView\Default\Code Cache\js\index-dir\the-real-index
                    • Size 48B
                    • SHA256 dff2d0a6af69926ad961547e594f01867e83173c46078e6735883b2745f12a43
                    • MD5 SHA1 SHA512

                    the-real-index

                    • Path C:\Users\Admin\AppData\Local\SolaraWebView2\EBWebView\Default\Code Cache\js\index-dir\the-real-index
                    • Size 216B
                    • SHA256 26691cdc72fa586c23e938bf6f57ae9a84b9df30559077afe5a73250075b0aa0
                    • MD5 SHA1 SHA512 TLSH

                    CURRENT

                    • Path C:\Users\Admin\AppData\Local\SolaraWebView2\EBWebView\Default\Extension Rules\CURRENT
                    • Size 16B
                    • SHA256 0f1bad70c7bd1e0a69562853ec529355462fcd0423263a3d39d6d0d70b780443
                    • MD5 SHA1 SHA512

                    MANIFEST-000001

                    • Path C:\Users\Admin\AppData\Local\SolaraWebView2\EBWebView\Default\Extension Rules\MANIFEST-000001
                    • Size 41B
                    • SHA256 f9d31b278e215eb0d0e9cd709edfa037e828f36214ab7906f612160fead4b2b4
                    • MD5 SHA1 SHA512

                    SCT Auditing Pending Reports

                    • Path C:\Users\Admin\AppData\Local\SolaraWebView2\EBWebView\Default\Network\SCT Auditing Pending Reports
                    • Size 2B
                    • SHA256 4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945
                    • MD5 SHA1 SHA512

                    df8e805a-9e3c-4779-96d5-e9f4872ff633.tmp

                    • Path C:\Users\Admin\AppData\Local\SolaraWebView2\EBWebView\Default\df8e805a-9e3c-4779-96d5-e9f4872ff633.tmp
                    • Size 6KB
                    • SHA256 c8f778763a1c80488521741404dc60eb43a8d031229e8dc1051033f99f5303c0
                    • MD5 SHA1 SHA512 SSDEEP TLSH

                    data_0

                    • Path C:\Users\Admin\AppData\Local\SolaraWebView2\EBWebView\GrShaderCache\data_0
                    • Size 8KB
                    • SHA256 d6a5fe39cd672781b256e0e3102f7022635f1d4bb7cfcc90a80fffe4d0f3877e
                    • MD5 SHA1 SHA512 SSDEEP

                    data_1

                    • Path C:\Users\Admin\AppData\Local\SolaraWebView2\EBWebView\GrShaderCache\data_1
                    • Size 264KB
                    • SHA256 902f30c1fb0597d0734bc34b979ec5d131f8f39a4b71b338083821216ec8d61b
                    • MD5 SHA1 SHA512 SSDEEP

                    data_2

                    • Path C:\Users\Admin\AppData\Local\SolaraWebView2\EBWebView\GrShaderCache\data_2
                    • Size 8KB
                    • SHA256 ec1702806f4cc7c42a82fc2b38e89835fde7c64bb32060e0823c9077ca92efb7
                    • MD5 SHA1 SHA512 SSDEEP

                    data_3

                    • Path C:\Users\Admin\AppData\Local\SolaraWebView2\EBWebView\GrShaderCache\data_3
                    • Size 8KB
                    • SHA256 e09f42c398d688dce168570291f1f92d079987deda3099a34adb9e8c0522b30c
                    • MD5 SHA1 SHA512 SSDEEP

                    Local State

                    • Path C:\Users\Admin\AppData\Local\SolaraWebView2\EBWebView\Local State
                    • Size 1KB
                    • SHA256 9b0441fb1c181e3e41a3ea94e837da40829daf932c15751f7f1adbcf895cd468
                    • MD5 SHA1 SHA512 TLSH

                    Local State

                    • Path C:\Users\Admin\AppData\Local\SolaraWebView2\EBWebView\Local State
                    • Size 2KB
                    • SHA256 813422b69bcd909f85b2141366188087262f2f35747d2ca6d19b338a41a959f8
                    • MD5 SHA1 SHA512 TLSH

                    Local State

                    • Path C:\Users\Admin\AppData\Local\SolaraWebView2\EBWebView\Local State
                    • Size 3KB
                    • SHA256 49bd79cc89c938b026d38985ef0ad3e225c6c86d223f487526c1e3df24750b9d
                    • MD5 SHA1 SHA512 TLSH

                    Local State

                    • Path C:\Users\Admin\AppData\Local\SolaraWebView2\EBWebView\Local State
                    • Size 16KB
                    • SHA256 0067fb17e6ffef1c11bfdc8c75a551946d8533d002d7fac071fb38b9deaa9706
                    • MD5 SHA1 SHA512 SSDEEP TLSH

                    Local State

                    • Path C:\Users\Admin\AppData\Local\SolaraWebView2\EBWebView\Local State
                    • Size 16KB
                    • SHA256 02ca43a696ec99677b67b841a6414659ba06dcc78eccbb3d88cd9793c10a5fb2
                    • MD5 SHA1 SHA512 SSDEEP TLSH

                    Local State~RFe582ecb.TMP

                    • Path C:\Users\Admin\AppData\Local\SolaraWebView2\EBWebView\Local State~RFe582ecb.TMP
                    • Size 1KB
                    • SHA256 4bafe75a1628109a1129fdbb6371e4cd6182eaf24308ba37a2494825574216e8
                    • MD5 SHA1 SHA512 TLSH

                    Microsoft.Web.WebView2.Core.dll

                    • Path C:\Users\Admin\Desktop\Solara\Microsoft.Web.WebView2.Core.dll
                    • Size 634KB
                    • SHA256 2b999d1775004e98b32f281f4518f3952df650970748527ef5b54fa9979d6c9c
                    • MD5 SHA1 SHA512 SSDEEP TLSH

                    Microsoft.Web.WebView2.Wpf.dll

                    • Path C:\Users\Admin\Desktop\Solara\Microsoft.Web.WebView2.Wpf.dll
                    • Size 80KB
                    • SHA256 6d329162b460515a849c693518ff626a1a3363e79d549cfd6822e5601f24603e
                    • MD5 SHA1 SHA512 SSDEEP TLSH

                    index.html

                    • Path C:\Users\Admin\Desktop\Solara\Monaco\index.html
                    • Size 14KB
                    • SHA256 e0f556c791d604813a2552e4dd5af9779875563561c5bc5824b4c0bd51313ba3
                    • MD5 SHA1 SHA512 SSDEEP TLSH

                    lua.js

                    • Path C:\Users\Admin\Desktop\Solara\Monaco\vs\basic-languages\lua\lua.js
                    • Size 5KB
                    • SHA256 fc2d6fb52a524a56cd8ac53bfe4bad733f246e76dc73cbec4c61be32d282ac42
                    • MD5 SHA1 SHA512 SSDEEP TLSH

                    editor.main.css

                    • Path C:\Users\Admin\Desktop\Solara\Monaco\vs\editor\editor.main.css
                    • Size 171KB
                    • SHA256 fb2cbf2ee64286bc010a6c6fe6a81c6c292c145a2f584d0240c674f56e3015b0
                    • MD5 SHA1 SHA512 SSDEEP TLSH

                    editor.main.js

                    • Path C:\Users\Admin\Desktop\Solara\Monaco\vs\editor\editor.main.js
                    • Size 2.0MB
                    • SHA256 93d28520c07fbca09e20886087f28797bb7bd0e6cf77400153aab5ae67e3ce18
                    • MD5 SHA1 SHA512 SSDEEP TLSH

                    editor.main.nls.js

                    • Path C:\Users\Admin\Desktop\Solara\Monaco\vs\editor\editor.main.nls.js
                    • Size 31KB
                    • SHA256 fdd9d64ce5284373d1541528d15e2aa8aa3a4adc11b51b3d71d3a3953f8bcc48
                    • MD5 SHA1 SHA512 SSDEEP TLSH

                    loader.js

                    • Path C:\Users\Admin\Desktop\Solara\Monaco\vs\loader.js
                    • Size 27KB
                    • SHA256 0512d9ed3e5bb3daef94aa5c16a6c3e2ee26ffed9de00d1434ffe46a027b16b9
                    • MD5 SHA1 SHA512 SSDEEP TLSH

                    Newtonsoft.Json.dll

                    • Path C:\Users\Admin\Desktop\Solara\Newtonsoft.Json.dll
                    • Size 695KB
                    • SHA256 e1e27af7b07eeedf5ce71a9255f0422816a6fc5849a483c6714e1b472044fa9d
                    • MD5 SHA1 SHA512 SSDEEP TLSH

                    SLaunch.exe

                    • Path C:\Users\Admin\Desktop\Solara\SLaunch.exe
                    • Size 245KB
                    • SHA256 fe4e2de98a58a3d67785c9ae2343ba34f3207a2a77fe21c88c1a5488acc02d22
                    • MD5 SHA1 SHA512 SSDEEP TLSH

                    Solara.exe

                    • Path C:\Users\Admin\Desktop\Solara\Solara.exe
                    • Size 1.3MB
                    • SHA256 473032c443307738fa01a2dc1d636c81f7b2def5d48d0dde91b0b896230bc83b
                    • MD5 SHA1 SHA512 SSDEEP TLSH

                    SolaraV3.dll

                    • Path C:\Users\Admin\Desktop\Solara\SolaraV3.dll
                    • Size 14.0MB
                    • SHA256 2985aeb3707505433f1a37ca5d75ac305967e6dd8478d53fe56312d8acc7e14c
                    • MD5 SHA1 SHA512 SSDEEP TLSH

                    WebView2Loader.dll

                    • Path C:\Users\Admin\Desktop\Solara\WebView2Loader.dll
                    • Size 133KB
                    • SHA256 79d7e45f8631e8d2541d01bfb5a49a3a090be72b3d465389a2d684680fee2e36
                    • MD5 SHA1 SHA512 SSDEEP TLSH

                    Wpf.Ui.dll

                    • Path C:\Users\Admin\Desktop\Solara\Wpf.Ui.dll
                    • Size 5.7MB
                    • SHA256 0ebff5461eb1984ea852566a59f08456e48909f4ea9b7ec064a219a28ece0343
                    • MD5 SHA1 SHA512 SSDEEP TLSH

                    DEBUG.txt

                    • Path C:\Users\Admin\Desktop\Solara\bin\DEBUG.txt
                    • Size 345B
                    • SHA256 0c01567081a0a51b549b80bbb8106c7a4d300adc92bf213170dd4cf5da915417
                    • MD5 SHA1 SHA512 TLSH

                    memory/3128-773-0x00000111E61F0000-0x00000111E625B000-memory.dmp

                    memory/3464-559-0x00007FFCDE410000-0x00007FFCDE411000-memory.dmp

                    memory/3464-558-0x00007FFCDE3D0000-0x00007FFCDE3D1000-memory.dmp

                    memory/3480-737-0x000001DE8E380000-0x000001DE8E3EB000-memory.dmp

                    memory/4020-736-0x0000022430260000-0x000002243038B000-memory.dmp

                    memory/4020-512-0x00007FFCDD8D0000-0x00007FFCDD8D1000-memory.dmp

                    memory/4508-406-0x0000016D85DF0000-0x0000016D85F8F000-memory.dmp

                    memory/4696-732-0x000001B7B35E0000-0x000001B7B364B000-memory.dmp

                    memory/4696-735-0x000001B7BBF50000-0x000001B7BBF8B000-memory.dmp

                    memory/4696-733-0x000001B7B13C0000-0x000001B7B13EE000-memory.dmp

                    memory/4696-734-0x000001B7BBF20000-0x000001B7BBF49000-memory.dmp

                    memory/4916-572-0x00007FFCDD8D0000-0x00007FFCDD8D1000-memory.dmp

                    memory/5440-469-0x0000023C50060000-0x0000023C50112000-memory.dmp

                    memory/5440-720-0x0000023C337C0000-0x0000023C337D0000-memory.dmp

                    memory/5440-719-0x0000023C4DD80000-0x0000023C4DDEB000-memory.dmp

                    memory/5440-413-0x0000023C4DA00000-0x0000023C4DABA000-memory.dmp

                    memory/5440-412-0x0000023C4DF00000-0x0000023C4E4B4000-memory.dmp

                    memory/5440-449-0x00007FFCB8C20000-0x00007FFCB9A26000-memory.dmp

                    memory/5440-682-0x0000023C52E40000-0x0000023C52E62000-memory.dmp

                    memory/5440-754-0x0000023C4DD80000-0x0000023C4DDEB000-memory.dmp

                    memory/5440-755-0x0000023C52B80000-0x0000023C52B88000-memory.dmp

                    memory/5440-459-0x0000023C4D9E0000-0x0000023C4D9F8000-memory.dmp

                    memory/5440-464-0x0000023C4F370000-0x0000023C4F412000-memory.dmp

                    memory/5440-483-0x0000023C50010000-0x0000023C50048000-memory.dmp

                    memory/5440-410-0x0000023C337C0000-0x0000023C337D0000-memory.dmp

                    memory/5440-409-0x0000023C33210000-0x0000023C33352000-memory.dmp

                    memory/5440-484-0x0000023C4FFD0000-0x0000023C4FFDE000-memory.dmp