Analysis

  • user interaction
    yes
  • max time kernel
    33s
  • max time network
    48s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    05/05/2026, 15:03

General

  • Target
    install.exe
  • Size 172.6MB
  • Sample260505-se7epaev4m
  • SHA256 53b5640a14589b491961811c8b84bf57f8017cf6784a504162869d84656ae0a4
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
6/10

Malware Config

Signatures

  • Downloads MZ/PE file 1 IoCs
  • Network Service Discovery 1 TTPs 1 IoCs

    Attempt to gather information on host's network.

  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 6 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 11 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 4 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:4212
    • C:\Users\Admin\AppData\Local\osulazer\current\osu!.exe
      "C:\Users\Admin\AppData\Local\osulazer\current\osu!.exe" --veloapp-install 2026.429.0-lazer
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of AdjustPrivilegeToken
      PID:2960
    • C:\Users\Admin\AppData\Local\osulazer\current\osu!.exe
      "C:\Users\Admin\AppData\Local\osulazer\current\osu!.exe"
      2⤵
      • Downloads MZ/PE file
      • Checks computer location settings
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Executes dropped EXE
      • Loads dropped DLL
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:4360
  • C:\Windows\System32\GameBarPresenceWriter.exe
    "C:\Windows\System32\GameBarPresenceWriter.exe" -ServerName:Windows.Gaming.GameBar.Internal.PresenceWriterServer
    1⤵
    • Network Service Discovery
    PID:384
  • C:\Windows\system32\OpenWith.exe
    C:\Windows\system32\OpenWith.exe -Embedding
    1⤵
    • Suspicious use of SetWindowsHookEx
    PID:3160
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k BcastDVRUserService -s BcastDVRUserService
    1⤵
      PID:4348

    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 15KB
          • SHA256 50e52f74a18cf64efd7e3635c4489264a39207b221c69180999371c5597d899b
          • 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 af7fdab9d38fd2fafc8745284e5190ac61a62acdd7b7c6d07bbe505f2200143d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          SDL3-CS.dll

          • Path C:\Users\Admin\AppData\Local\osulazer\current\SDL3-CS.dll
          • Size 352KB
          • SHA256 78455795ac97a7ee6ed199311017244f12ba7e09db06a9ea3aa36cef6c780580
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Sentry.dll

          • Path C:\Users\Admin\AppData\Local\osulazer\current\Sentry.dll
          • Size 814KB
          • SHA256 d04f91ad63e6c6b10712329804863da5d8859ea0226ca31b38d561dbe2889f66
          • MD5 SHA1 SHA512 SSDEEP TLSH

          System.Collections.Immutable.dll

          • Path C:\Users\Admin\AppData\Local\osulazer\current\System.Collections.Immutable.dll
          • Size 818KB
          • SHA256 1d94d76703ccef97ff962d60701c10009bb83b2ed65b5f4f28c8535adf17ecbc
          • MD5 SHA1 SHA512 SSDEEP TLSH

          System.Collections.NonGeneric.dll

          • Path C:\Users\Admin\AppData\Local\osulazer\current\System.Collections.NonGeneric.dll
          • Size 102KB
          • SHA256 8a4845d14b6c46234a34b4ff1fa9ee0eb157339928b58e708212daca68048294
          • MD5 SHA1 SHA512 SSDEEP TLSH

          System.Collections.dll

          • Path C:\Users\Admin\AppData\Local\osulazer\current\System.Collections.dll
          • Size 254KB
          • SHA256 43f1812c74be62e65bb6e232d2a61a24f1ad732d014ed5adc6fe1f13e454de8e
          • MD5 SHA1 SHA512 SSDEEP TLSH

          System.ComponentModel.Primitives.dll

          • Path C:\Users\Admin\AppData\Local\osulazer\current\System.ComponentModel.Primitives.dll
          • Size 78KB
          • SHA256 719473d4afdabd721abe970b1f2bf20e40f3e447da6d0b784a579badb82b5a50
          • MD5 SHA1 SHA512 SSDEEP TLSH

          System.Diagnostics.Process.dll

          • Path C:\Users\Admin\AppData\Local\osulazer\current\System.Diagnostics.Process.dll
          • Size 330KB
          • SHA256 03abe0088509b77206a19d3a1f57fb4fad654cc21a57a7f342520936c05dcf32
          • MD5 SHA1 SHA512 SSDEEP TLSH

          System.Linq.dll

          • Path C:\Users\Admin\AppData\Local\osulazer\current\System.Linq.dll
          • Size 530KB
          • SHA256 02640836e88e14fa8f85c90141d2cbcebf2919c2d8681123e9c309b92df8449e
          • MD5 SHA1 SHA512 SSDEEP TLSH

          System.Memory.dll

          • Path C:\Users\Admin\AppData\Local\osulazer\current\System.Memory.dll
          • Size 154KB
          • SHA256 cb69cadc77e09c964dd7c07151c0297ca33ccc617de68386abc66dd782c8d2a8
          • MD5 SHA1 SHA512 SSDEEP TLSH

          System.ObjectModel.dll

          • Path C:\Users\Admin\AppData\Local\osulazer\current\System.ObjectModel.dll
          • Size 78KB
          • SHA256 934a1b87711d9ff84f44956ef4e5436ad615bbd2b62f1d96fe0e2676723a3113
          • 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 6f17b1d8fc16b2df01f8b20787f7ce7b8e429ca2645362fe591fa6b81a3bd0d2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          System.Private.Uri.dll

          • Path C:\Users\Admin\AppData\Local\osulazer\current\System.Private.Uri.dll
          • Size 254KB
          • SHA256 b762dfa0e052d5fd9fd05309b4ae9e03d6ae46f262b620cfaad961a6070ef7fe
          • MD5 SHA1 SHA512 SSDEEP TLSH

          System.Private.Xml.Linq.dll

          • Path C:\Users\Admin\AppData\Local\osulazer\current\System.Private.Xml.Linq.dll
          • Size 394KB
          • SHA256 0b8e738deb443240a61ed5cd488bb5c3c1c798d6bab6372b804d82997db2e35b
          • 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 2ef8cce40566cfec7afc2d171495e7b26b96a5ea13f66647bcf2d0bb45beb955
          • MD5 SHA1 SHA512 SSDEEP TLSH

          System.Runtime.InteropServices.dll

          • Path C:\Users\Admin\AppData\Local\osulazer\current\System.Runtime.InteropServices.dll
          • Size 94KB
          • SHA256 7c53e031183b36fe378205ac894b1ddc41bca992393b153c7e68b951dc14f657
          • MD5 SHA1 SHA512 SSDEEP TLSH

          System.Runtime.dll

          • Path C:\Users\Admin\AppData\Local\osulazer\current\System.Runtime.dll
          • Size 42KB
          • SHA256 55242c750d5817ab526ab17be00a604d88458c49001eb520c0538194a9a46f26
          • 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 038082536705e63ff31a8f0038f3f87601d347c6f71d4dfa99a5bbb7f78ef2c1
          • MD5 SHA1 SHA512 SSDEEP TLSH

          System.Threading.Thread.dll

          • Path C:\Users\Admin\AppData\Local\osulazer\current\System.Threading.Thread.dll
          • Size 15KB
          • SHA256 61d68e044876e5f4767c8d77c2d2be15fc292478e4f6a1833546613771f24d0b
          • MD5 SHA1 SHA512 SSDEEP TLSH

          System.Threading.dll

          • Path C:\Users\Admin\AppData\Local\osulazer\current\System.Threading.dll
          • Size 82KB
          • SHA256 72e11fd27c4e00cf5f1b78d009bc782d4d594a9d149f9c455c067f0be7f38f4b
          • MD5 SHA1 SHA512 SSDEEP TLSH

          System.Xml.ReaderWriter.dll

          • Path C:\Users\Admin\AppData\Local\osulazer\current\System.Xml.ReaderWriter.dll
          • Size 21KB
          • SHA256 0ec354529c989e708b71db0813fcf0835a4be1deeac0a18be2c0f655d2ea6758
          • MD5 SHA1 SHA512 SSDEEP TLSH

          System.Xml.XDocument.dll

          • Path C:\Users\Admin\AppData\Local\osulazer\current\System.Xml.XDocument.dll
          • Size 15KB
          • SHA256 4a06159cedc51469dff4a78ff572e4581faea83a966649a24b7ebf9e759005d1
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Velopack.dll

          • Path C:\Users\Admin\AppData\Local\osulazer\current\Velopack.dll
          • Size 273KB
          • SHA256 33ec0cb33f8b589ecd56bc9412308f973a97f90592621bc0f56af78092144b62
          • MD5 SHA1 SHA512 SSDEEP TLSH

          clrjit.dll

          • Path C:\Users\Admin\AppData\Local\osulazer\current\clrjit.dll
          • Size 1.7MB
          • SHA256 139627d0969afcbe8eb75c951c7a46b8afd63f998607633ee5765f41eee6e3b3
          • MD5 SHA1 SHA512 SSDEEP TLSH

          coreclr.dll

          • Path C:\Users\Admin\AppData\Local\osulazer\current\coreclr.dll
          • Size 4.3MB
          • SHA256 34b035ac702ddfb67b10536a7d44caab914202f40cf310eaeb4e634871dba0d4
          • MD5 SHA1 SHA512 SSDEEP TLSH

          hostfxr.dll

          • Path C:\Users\Admin\AppData\Local\osulazer\current\hostfxr.dll
          • Size 358KB
          • SHA256 6030fa4943ff98b4d29787c1b3045a98d4fd03dd644a3de223f0aac2ed984b3f
          • MD5 SHA1 SHA512 SSDEEP TLSH

          hostpolicy.dll

          • Path C:\Users\Admin\AppData\Local\osulazer\current\hostpolicy.dll
          • Size 397KB
          • SHA256 d6fd9ce40c9e2ff31f552313773b8c870249fe8e5f0140808a2bd26a238afcb6
          • MD5 SHA1 SHA512 SSDEEP TLSH

          mscorlib.dll

          • Path C:\Users\Admin\AppData\Local\osulazer\current\mscorlib.dll
          • Size 58KB
          • SHA256 314ce67a1b2b08ed5b5e70bad1724efd5797e45d7cbfbfd757089afb64812d8f
          • MD5 SHA1 SHA512 SSDEEP TLSH

          netstandard.dll

          • Path C:\Users\Admin\AppData\Local\osulazer\current\netstandard.dll
          • Size 98KB
          • SHA256 44e97c5183223e1460f6bd2526b6df6b3e7bdef19d11a262c2404d7f7b2f0158
          • MD5 SHA1 SHA512 SSDEEP TLSH

          osu!.deps.json

          • Path C:\Users\Admin\AppData\Local\osulazer\current\osu!.deps.json
          • Size 208KB
          • SHA256 3bf80438f95b8f0e255e9fd0574c3a2a402292bd740097f15b97bb291af19a15
          • MD5 SHA1 SHA512 SSDEEP TLSH

          osu!.dll

          • Path C:\Users\Admin\AppData\Local\osulazer\current\osu!.dll
          • Size 244KB
          • SHA256 b4e35ad0f6c2649b6be4d197d95d1ff2fc2f585596eeef39f01874a2ca19eb19
          • MD5 SHA1 SHA512 SSDEEP TLSH

          osu!.exe

          • Path C:\Users\Admin\AppData\Local\osulazer\current\osu!.exe
          • Size 239KB
          • SHA256 69a60fe9190037dbd9c42f47f9880f2f78b88fbbe40062a07a08d67d28254610
          • MD5 SHA1 SHA512 SSDEEP TLSH

          osu!.runtimeconfig.json

          • Path C:\Users\Admin\AppData\Local\osulazer\current\osu!.runtimeconfig.json
          • Size 412B
          • SHA256 9d2837ddad683f5ddf213389b072938e935f0c1f896f931fc6656e89e605349a
          • MD5 SHA1 SHA512 TLSH

          osu.Framework.dll

          • Path C:\Users\Admin\AppData\Local\osulazer\current\osu.Framework.dll
          • Size 3.8MB
          • SHA256 5592071295baff82740501036989c3e4b82c0be38fe8bc73c4083a964d116967
          • MD5 SHA1 SHA512 SSDEEP TLSH

          osu.Game.Auth.dll

          • Path C:\Users\Admin\AppData\Local\osulazer\current\osu.Game.Auth.dll
          • Size 237KB
          • SHA256 5dc5559dca7f2e400d08db72846ec0796e020185b547cb8bc35764ff42f8de42
          • MD5 SHA1 SHA512 SSDEEP TLSH

          osu.Game.Tournament.dll

          • Path C:\Users\Admin\AppData\Local\osulazer\current\osu.Game.Tournament.dll
          • Size 227KB
          • SHA256 80967b91d3991c0f88506ff394807702ee76b5765aec0cd01b55d80b9d2920c1
          • MD5 SHA1 SHA512 SSDEEP TLSH

          osu.Game.dll

          • Path C:\Users\Admin\AppData\Local\osulazer\current\osu.Game.dll
          • Size 6.4MB
          • SHA256 bfddae0063a114c83423a0fbc4b595cbacf49e38fc2a0031b1322bb038e57035
          • MD5 SHA1 SHA512 SSDEEP TLSH

          osuTK.dll

          • Path C:\Users\Admin\AppData\Local\osulazer\current\osuTK.dll
          • Size 6.1MB
          • SHA256 5574d14c53abe988c7d699050c7d3a9032e5d8b8dafd6cb8b6861ceb387729b3
          • MD5 SHA1 SHA512 SSDEEP TLSH

          sq.version

          • Path C:\Users\Admin\AppData\Local\osulazer\current\sq.version
          • Size 541B
          • SHA256 1123df1daa74b50d21d9af2bd951cfcdecef1a64d14df2cf323522dedd933994
          • 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

          a1556d0801b3a6b175dda32ef546f0ec812b400499f575c44fccbe9c67f9b1e5

          • Path C:\Users\Admin\AppData\Roaming\osu\files\a\a1\a1556d0801b3a6b175dda32ef546f0ec812b400499f575c44fccbe9c67f9b1e5
          • Size 988B
          • SHA256 a1556d0801b3a6b175dda32ef546f0ec812b400499f575c44fccbe9c67f9b1e5
          • MD5 SHA1 SHA512 TLSH

          1777993462.runtime.log

          • Path C:\Users\Admin\AppData\Roaming\osu\logs\1777993462.runtime.log
          • Size 6KB
          • SHA256 b59b395cdc64dc68899cddcf31552cb7b7b54eeeea2273608de763ac3a966e1e
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/4212-469-0x0000000000C20000-0x0000000000C7F000-memory.dmp

          memory/4360-503-0x00007FFBF4620000-0x00007FFBF505D000-memory.dmp