Analysis

  • user interaction
    yes
  • max time kernel
    10s
  • max time network
    20s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    05/06/2026, 00:35

General

  • Target
    install.exe
  • Size 172.9MB
  • Sample260605-axdk8aax8p
  • SHA256 843f2f6b017d6e78fd45ba5107bf4f880683972a343e63845a5210008f260586
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
6/10

Malware Config

Signatures

  • Network Service Discovery 1 TTPs 1 IoCs

    Attempt to gather information on host's network.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 64 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • 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.

  • Modifies registry class 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\install.exe
    "C:\Users\Admin\AppData\Local\Temp\install.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:3328
    • C:\Users\Admin\AppData\Local\osulazer\current\osu!.exe
      "C:\Users\Admin\AppData\Local\osulazer\current\osu!.exe" --veloapp-install 2026.518.0-lazer
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of AdjustPrivilegeToken
      PID:4456
    • C:\Users\Admin\AppData\Local\osulazer\current\osu!.exe
      "C:\Users\Admin\AppData\Local\osulazer\current\osu!.exe"
      2⤵
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Executes dropped EXE
      • Loads dropped DLL
      • Modifies registry class
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:752
  • C:\Windows\System32\GameBarPresenceWriter.exe
    "C:\Windows\System32\GameBarPresenceWriter.exe" -ServerName:Windows.Gaming.GameBar.Internal.PresenceWriterServer
    1⤵
    • Network Service Discovery
    PID:1892

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        Microsoft.Win32.Primitives.dll

        • Path C:\Users\Admin\AppData\Local\osulazer\current\Microsoft.Win32.Primitives.dll
        • Size 14KB
        • SHA256 1570fe580286c2b2b8e997f6dea230f7f50f07e03e4440e63f0c6fea458436b4
        • MD5 SHA1 SHA512 SSDEEP TLSH

        NuGet.Versioning.dll

        • Path C:\Users\Admin\AppData\Local\osulazer\current\NuGet.Versioning.dll
        • Size 63KB
        • SHA256 bfcba996b3fc59fbee4d67ae42cc86acae455cbe55119216cda2b84b4457256f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Realm.dll

        • Path C:\Users\Admin\AppData\Local\osulazer\current\Realm.dll
        • Size 369KB
        • SHA256 874d252dd8f00bd69b92d8c4552616a3ee318f7e8e109dc85659458215121a4d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        SDL3-CS.dll

        • Path C:\Users\Admin\AppData\Local\osulazer\current\SDL3-CS.dll
        • Size 352KB
        • SHA256 e70d7445f1067b7f59ed65a6a64cd22e124f9f07b382afebdedda8904b4c9bab
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Sentry.dll

        • Path C:\Users\Admin\AppData\Local\osulazer\current\Sentry.dll
        • Size 814KB
        • SHA256 17f78bb7f4293b0e1ef152536ba132b75ac76bdbe4602e0b6f1c0f1d38a8cc88
        • MD5 SHA1 SHA512 SSDEEP TLSH

        System.Collections.Immutable.dll

        • Path C:\Users\Admin\AppData\Local\osulazer\current\System.Collections.Immutable.dll
        • Size 817KB
        • SHA256 b377ec92d634bdd8a815667f709eaeee19f4b188ccfd32ff213cfe20c42588f6
        • MD5 SHA1 SHA512 SSDEEP TLSH

        System.Collections.NonGeneric.dll

        • Path C:\Users\Admin\AppData\Local\osulazer\current\System.Collections.NonGeneric.dll
        • Size 101KB
        • SHA256 c144cafb2874da6cf94de5b3120be4f34533154a7fae0203f3be9edc0a711dff
        • MD5 SHA1 SHA512 SSDEEP TLSH

        System.Collections.dll

        • Path C:\Users\Admin\AppData\Local\osulazer\current\System.Collections.dll
        • Size 253KB
        • SHA256 a3d31fea1ae85efdbf8cc510e3dada8d6144cf05cdf5c47f70bb4a36054c74ac
        • MD5 SHA1 SHA512 SSDEEP TLSH

        System.ComponentModel.Primitives.dll

        • Path C:\Users\Admin\AppData\Local\osulazer\current\System.ComponentModel.Primitives.dll
        • Size 77KB
        • SHA256 f740bcc73efcbc9d7ab10cfe3abe78e92192e65b07df75dd4147e170ee9ede0d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        System.Diagnostics.Process.dll

        • Path C:\Users\Admin\AppData\Local\osulazer\current\System.Diagnostics.Process.dll
        • Size 329KB
        • SHA256 6c84154fc465ac4e8e94c6f1c977b58191e570e8ab2e4a8979def8abeb6fa565
        • MD5 SHA1 SHA512 SSDEEP TLSH

        System.Linq.dll

        • Path C:\Users\Admin\AppData\Local\osulazer\current\System.Linq.dll
        • Size 529KB
        • SHA256 081b23576a9cdb180622191707b9f2dfcbbd0a2b3744d2633979ded32ba1f617
        • MD5 SHA1 SHA512 SSDEEP TLSH

        System.Memory.dll

        • Path C:\Users\Admin\AppData\Local\osulazer\current\System.Memory.dll
        • Size 153KB
        • SHA256 0550392de886d48bdc5fff6fef9590dd4954c926f765df17037670754d300fe2
        • MD5 SHA1 SHA512 SSDEEP TLSH

        System.ObjectModel.dll

        • Path C:\Users\Admin\AppData\Local\osulazer\current\System.ObjectModel.dll
        • Size 77KB
        • SHA256 62e0cd6e1585a1f5cd153e2832a03b6dafac0e0ab3331048e7f7bd3dd692f9c4
        • MD5 SHA1 SHA512 SSDEEP TLSH

        System.Private.CoreLib.dll

        • Path C:\Users\Admin\AppData\Local\osulazer\current\System.Private.CoreLib.dll
        • Size 12.6MB
        • SHA256 374c7caf79052a052c3497dbf215dea2eada63f54e5aa421271b9827de46f29f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        System.Private.Uri.dll

        • Path C:\Users\Admin\AppData\Local\osulazer\current\System.Private.Uri.dll
        • Size 253KB
        • SHA256 1bbc0db2701cd5ac75cdbfe151039f6682adb4c44e281b94ae103f37dcfd5d00
        • MD5 SHA1 SHA512 SSDEEP TLSH

        System.Private.Xml.Linq.dll

        • Path C:\Users\Admin\AppData\Local\osulazer\current\System.Private.Xml.Linq.dll
        • Size 393KB
        • SHA256 530d8496cf0fb859a9b34090ae992e98bfcabf4c6d1c33d5b3899c852a1ddb18
        • MD5 SHA1 SHA512 SSDEEP TLSH

        System.Private.Xml.dll

        • Path C:\Users\Admin\AppData\Local\osulazer\current\System.Private.Xml.dll
        • Size 7.6MB
        • SHA256 795f979ae1f5e42060be355fc4ee1a4aeb478fd15b194bca745e3847908252a0
        • MD5 SHA1 SHA512 SSDEEP TLSH

        System.Runtime.InteropServices.dll

        • Path C:\Users\Admin\AppData\Local\osulazer\current\System.Runtime.InteropServices.dll
        • Size 93KB
        • SHA256 02f9e9969b29a027ac5fb9f24c681170413231fa8a84da2658120ca11e91b6dc
        • MD5 SHA1 SHA512 SSDEEP TLSH

        System.Runtime.dll

        • Path C:\Users\Admin\AppData\Local\osulazer\current\System.Runtime.dll
        • Size 42KB
        • SHA256 126facb35c9ba044401173748825e1c4c1197aea7b68e443e2fe8b82fc6f0f5f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        System.Text.Encoding.Extensions.dll

        • Path C:\Users\Admin\AppData\Local\osulazer\current\System.Text.Encoding.Extensions.dll
        • Size 15KB
        • SHA256 a54b5d6e805642c24ee455f9b70badc855d29055c58e23c168dc80204892a0b6
        • MD5 SHA1 SHA512 SSDEEP TLSH

        System.Threading.Thread.dll

        • Path C:\Users\Admin\AppData\Local\osulazer\current\System.Threading.Thread.dll
        • Size 15KB
        • SHA256 bdb668c3df634e44accbe714d281253c4d62955177a8b1af0f09180a622be3c6
        • MD5 SHA1 SHA512 SSDEEP TLSH

        System.Threading.dll

        • Path C:\Users\Admin\AppData\Local\osulazer\current\System.Threading.dll
        • Size 81KB
        • SHA256 b734d6a999a1d275ed30bf66e7532175aaae5ad40ffc9bd30ebab458de878b9a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        System.Xml.ReaderWriter.dll

        • Path C:\Users\Admin\AppData\Local\osulazer\current\System.Xml.ReaderWriter.dll
        • Size 21KB
        • SHA256 d91eb762c1ee26c4e28660533c612f56437336d3426845d6a5c7741ff0ef991a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        System.Xml.XDocument.dll

        • Path C:\Users\Admin\AppData\Local\osulazer\current\System.Xml.XDocument.dll
        • Size 15KB
        • SHA256 ee16afe11f0b43543643140267f48677fb629d26d22330fb3d7491c6ab230385
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Velopack.dll

        • Path C:\Users\Admin\AppData\Local\osulazer\current\Velopack.dll
        • Size 273KB
        • SHA256 2eaf8db33d16d2deb49440ed9b46e8d2e1de648b35d1377d15725ce1c7d70703
        • MD5 SHA1 SHA512 SSDEEP TLSH

        clrjit.dll

        • Path C:\Users\Admin\AppData\Local\osulazer\current\clrjit.dll
        • Size 1.7MB
        • SHA256 1377cfce3d021afbf5f362657244e92bc3eb8b4c1d4b901e18d49db2540c7c4f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        coreclr.dll

        • Path C:\Users\Admin\AppData\Local\osulazer\current\coreclr.dll
        • Size 4.3MB
        • SHA256 3ab793826560495d049e275d9390bf60bf8ea510fe085bd065ffbb14af4bebe8
        • MD5 SHA1 SHA512 SSDEEP TLSH

        hostfxr.dll

        • Path C:\Users\Admin\AppData\Local\osulazer\current\hostfxr.dll
        • Size 357KB
        • SHA256 0a495d3a7befebf627a973760439da0f7f1f1667b99832f083664fac7641d2dc
        • MD5 SHA1 SHA512 SSDEEP TLSH

        hostpolicy.dll

        • Path C:\Users\Admin\AppData\Local\osulazer\current\hostpolicy.dll
        • Size 397KB
        • SHA256 aec1393a96946d92ff061ce31a455559b773122218cd62af1df9a8328d60f70b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        mscorlib.dll

        • Path C:\Users\Admin\AppData\Local\osulazer\current\mscorlib.dll
        • Size 57KB
        • SHA256 d2246ca5fe7a5971991cc597aefc66fa1cef2f2c1f67d8dd402405ac8a44d324
        • MD5 SHA1 SHA512 SSDEEP TLSH

        netstandard.dll

        • Path C:\Users\Admin\AppData\Local\osulazer\current\netstandard.dll
        • Size 98KB
        • SHA256 88334f6fefaf4cdc15b87c576706674b1fe6a7d91cfc93647ef40da5cb682547
        • MD5 SHA1 SHA512 SSDEEP TLSH

        osu!.deps.json

        • Path C:\Users\Admin\AppData\Local\osulazer\current\osu!.deps.json
        • Size 208KB
        • SHA256 9383e54b7ea74033188b8670389a6e140527d4beb52d960f3dab83400a5008df
        • MD5 SHA1 SHA512 SSDEEP TLSH

        osu!.dll

        • Path C:\Users\Admin\AppData\Local\osulazer\current\osu!.dll
        • Size 244KB
        • SHA256 9cfae3ad54307a2644d21dae9aafb5acb8dffc95755943243d3455812b0aa706
        • MD5 SHA1 SHA512 SSDEEP TLSH

        osu!.exe

        • Path C:\Users\Admin\AppData\Local\osulazer\current\osu!.exe
        • Size 239KB
        • SHA256 3de4c0d0467c7cc5d23d0f15213211d99411ac6b19108b3442e54a728b53f86b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        osu!.runtimeconfig.json

        • Path C:\Users\Admin\AppData\Local\osulazer\current\osu!.runtimeconfig.json
        • Size 412B
        • SHA256 85d1c2ad461d87f769dbd8801e46932130d0960d49a88830fecb583220dfb15f
        • MD5 SHA1 SHA512 TLSH

        osu.Framework.dll

        • Path C:\Users\Admin\AppData\Local\osulazer\current\osu.Framework.dll
        • Size 3.8MB
        • SHA256 4c6f9cf67916a2b81fb6ff786c119aa3580009a9d86ccb30b0c06aa2c6f5cc2b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        osu.Game.Auth.dll

        • Path C:\Users\Admin\AppData\Local\osulazer\current\osu.Game.Auth.dll
        • Size 238KB
        • SHA256 07760e6562e6b8cea1a40c38047016e3f8650590578b263dbf0c55f7a0404904
        • MD5 SHA1 SHA512 SSDEEP TLSH

        osu.Game.Tournament.dll

        • Path C:\Users\Admin\AppData\Local\osulazer\current\osu.Game.Tournament.dll
        • Size 227KB
        • SHA256 ee3008e3e44bef643f68b73e37d8d7fd99da31f2ef05aa602bbd25f8a47cdf25
        • MD5 SHA1 SHA512 SSDEEP TLSH

        osu.Game.dll

        • Path C:\Users\Admin\AppData\Local\osulazer\current\osu.Game.dll
        • Size 6.4MB
        • SHA256 55ecb38cb6c932414f1e651ebf991e1660f9d0695acd1af2cf1f82948eb15a89
        • MD5 SHA1 SHA512 SSDEEP TLSH

        osuTK.dll

        • Path C:\Users\Admin\AppData\Local\osulazer\current\osuTK.dll
        • Size 6.1MB
        • SHA256 2ca2e7876f43d1198121a8acb78940a56bd46e56999400b0b93fe2d30b45a296
        • MD5 SHA1 SHA512 SSDEEP TLSH

        sq.version

        • Path C:\Users\Admin\AppData\Local\osulazer\current\sq.version
        • Size 541B
        • SHA256 7457fef58c58d735beee6b673c1f86599fe90d2fd55e4772bf2be4655fbc9291
        • MD5 SHA1 SHA512 TLSH

        AuthNative.dll

        • Path C:\Users\Admin\AppData\Roaming\osu\AuthNative.dll
        • Size 10.2MB
        • SHA256 9ba5d929acf1f183cb4998640df28350e27133d704dc0a761b0ed6b9dcbb6a24
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/752-504-0x00007FF8F0700000-0x00007FF8F113D000-memory.dmp