Analysis

  • max time kernel
    151s
  • max time network
    149s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    30/09/2026, 16:29

General

  • Target
    install.exe
  • Size 180.2MB
  • Sample260930-ty883axtfw
  • SHA256 419019f6300713f7e8b1a5c4fd30cdfc0567105a904713f45c6d623c710c1665
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Downloads MZ/PE file 1 IoCs
  • Drops desktop.ini file(s) 1 IoCs
  • Network Service Discovery 1 TTPs 1 IoCs

    Attempt to gather information on host's network.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 TTPs 28 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).

  • Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs

    The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

  • 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.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Modifies registry class 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 56 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:3444
    • C:\Users\Admin\AppData\Local\osulazer\current\osu!.exe
      "C:\Users\Admin\AppData\Local\osulazer\current\osu!.exe" --veloapp-install 2026.921.0-lazer
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of AdjustPrivilegeToken
      PID:4604
    • C:\Users\Admin\AppData\Local\osulazer\current\osu!.exe
      "C:\Users\Admin\AppData\Local\osulazer\current\osu!.exe"
      2⤵
      • Downloads MZ/PE file
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Executes dropped EXE
      • Loads dropped DLL
      • Reads the TCP/IP host and domain name from the registry
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1044
  • C:\Windows\System32\GameBarPresenceWriter.exe
    "C:\Windows\System32\GameBarPresenceWriter.exe" -ServerName:Windows.Gaming.GameBar.Internal.PresenceWriterServer
    1⤵
    • Network Service Discovery
    PID:5024
  • C:\Windows\system32\OpenWith.exe
    C:\Windows\system32\OpenWith.exe -Embedding
    1⤵
    • Suspicious use of SetWindowsHookEx
    PID:3808
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k BcastDVRUserService -s BcastDVRUserService
    1⤵
    • Drops desktop.ini file(s)
    • Checks processor information in registry
    • Modifies registry class
    PID:3660

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 6c21472b0ae2f9b484a97614fad5485a22f18f9f19ee1adb9ceb3ed8ddb072d7
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Realm.dll

        • Path C:\Users\Admin\AppData\Local\osulazer\current\Realm.dll
        • Size 369KB
        • SHA256 273f02fda43d55d464c5231fb87b63135a99c32c07d9315da6ec53bae11cd8c9
        • MD5 SHA1 SHA512 SSDEEP TLSH

        SDL3-CS.dll

        • Path C:\Users\Admin\AppData\Local\osulazer\current\SDL3-CS.dll
        • Size 361KB
        • SHA256 0e71c278f71bf9a4fdd1a8cca29306a84ac3c465bf01ca3cb6d9231afa38cd3f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Sentry.dll

        • Path C:\Users\Admin\AppData\Local\osulazer\current\Sentry.dll
        • Size 842KB
        • SHA256 ae7812b004dd0f2deed8bcaa982a262c36d7cfdfbac09a6413c6a26139a539a4
        • MD5 SHA1 SHA512 SSDEEP TLSH

        System.Collections.Immutable.dll

        • Path C:\Users\Admin\AppData\Local\osulazer\current\System.Collections.Immutable.dll
        • Size 953KB
        • SHA256 b527dd7b2beb82c22aa39787298cbeb33f3eac9eb9b83a0f0271353421db28db
        • MD5 SHA1 SHA512 SSDEEP TLSH

        System.Collections.NonGeneric.dll

        • Path C:\Users\Admin\AppData\Local\osulazer\current\System.Collections.NonGeneric.dll
        • Size 101KB
        • SHA256 aa4d5216d066c91cb489f63c6cbfcaf1f47b6e74e070db45639d3460454fc60b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        System.Collections.dll

        • Path C:\Users\Admin\AppData\Local\osulazer\current\System.Collections.dll
        • Size 289KB
        • SHA256 df6f2037eabee28100184e92f7536427ba2f086c1110629804d466b124bc4d54
        • MD5 SHA1 SHA512 SSDEEP TLSH

        System.ComponentModel.Primitives.dll

        • Path C:\Users\Admin\AppData\Local\osulazer\current\System.ComponentModel.Primitives.dll
        • Size 77KB
        • SHA256 1e2451184c287409ea25acde3c90f25950bf34d16458a6e52a94ca4292434f62
        • MD5 SHA1 SHA512 SSDEEP TLSH

        System.Diagnostics.Process.dll

        • Path C:\Users\Admin\AppData\Local\osulazer\current\System.Diagnostics.Process.dll
        • Size 321KB
        • SHA256 51a57fbe918f8b68930c090792b718fc0850ea12da869d50b97a3796af29a740
        • MD5 SHA1 SHA512 SSDEEP TLSH

        System.Linq.dll

        • Path C:\Users\Admin\AppData\Local\osulazer\current\System.Linq.dll
        • Size 681KB
        • SHA256 284d38945b6e92e847129bd28af458b19818d0f2181f79882888ab2003f4c519
        • MD5 SHA1 SHA512 SSDEEP TLSH

        System.Memory.dll

        • Path C:\Users\Admin\AppData\Local\osulazer\current\System.Memory.dll
        • Size 157KB
        • SHA256 f8f9d38efd6b0de30954d6bf1f353e9617bfb36d3d245c013a3b12be9f6bd88a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        System.ObjectModel.dll

        • Path C:\Users\Admin\AppData\Local\osulazer\current\System.ObjectModel.dll
        • Size 77KB
        • SHA256 2179bb19f335b4fcacd0994ad2ccfdac6840deff09c7889debfe9dbb5b88a3e6
        • MD5 SHA1 SHA512 SSDEEP TLSH

        System.Private.CoreLib.dll

        • Path C:\Users\Admin\AppData\Local\osulazer\current\System.Private.CoreLib.dll
        • Size 15.3MB
        • SHA256 fbca28e3d335ce45f493d0b6d8b6ccafe4e67e452e6ed29e63fa01f0f4bab0df
        • MD5 SHA1 SHA512 SSDEEP TLSH

        System.Private.Uri.dll

        • Path C:\Users\Admin\AppData\Local\osulazer\current\System.Private.Uri.dll
        • Size 249KB
        • SHA256 b15c84d2120e1ec9612c66ba59bc3d7e67d841e2bce7b7d0478cb212537539b4
        • MD5 SHA1 SHA512 SSDEEP TLSH

        System.Private.Xml.Linq.dll

        • Path C:\Users\Admin\AppData\Local\osulazer\current\System.Private.Xml.Linq.dll
        • Size 381KB
        • SHA256 c832b73de9783e6929ca5ff4863fc313e13ef7cfb5965c52587c4f77f6e037a7
        • MD5 SHA1 SHA512 SSDEEP TLSH

        System.Private.Xml.dll

        • Path C:\Users\Admin\AppData\Local\osulazer\current\System.Private.Xml.dll
        • Size 7.4MB
        • SHA256 d71e72a7a9de324352edd281a46466b51bd0bdd2831b1573f8d3bae8bd2dd4a6
        • MD5 SHA1 SHA512 SSDEEP TLSH

        System.Runtime.InteropServices.dll

        • Path C:\Users\Admin\AppData\Local\osulazer\current\System.Runtime.InteropServices.dll
        • Size 109KB
        • SHA256 e5eb1679f3579c9141e2bb9dbdce62624a623f38d299805cc1de07bacd21841f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        System.Runtime.dll

        • Path C:\Users\Admin\AppData\Local\osulazer\current\System.Runtime.dll
        • Size 43KB
        • SHA256 76be53624f64b23d0249dfa0bbe85390086de7c44bfd490642ea86c6faaf44af
        • 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 8f51b9535db64fe027a40d6076200b1a6b0889bf05f62bb8e68c3eb083c7f113
        • MD5 SHA1 SHA512 SSDEEP TLSH

        System.Threading.Thread.dll

        • Path C:\Users\Admin\AppData\Local\osulazer\current\System.Threading.Thread.dll
        • Size 15KB
        • SHA256 ce71949bb1ea67b686e799128582015ebf8758f1107e59e43f342ece3f662930
        • MD5 SHA1 SHA512 SSDEEP TLSH

        System.Threading.dll

        • Path C:\Users\Admin\AppData\Local\osulazer\current\System.Threading.dll
        • Size 81KB
        • SHA256 6c32ed1bf8067e4169e8feddd15e6489b89d19d1c7aae1520a551b57745d0a60
        • MD5 SHA1 SHA512 SSDEEP TLSH

        System.Xml.ReaderWriter.dll

        • Path C:\Users\Admin\AppData\Local\osulazer\current\System.Xml.ReaderWriter.dll
        • Size 21KB
        • SHA256 8e48fed4d12bcffff01e8059caafb564697275797d2f5ec6823fdd82b87fe938
        • MD5 SHA1 SHA512 SSDEEP TLSH

        System.Xml.XDocument.dll

        • Path C:\Users\Admin\AppData\Local\osulazer\current\System.Xml.XDocument.dll
        • Size 15KB
        • SHA256 3ff858607de5146051498a7124ef983bea280d86e165f993516c6c26af81cfb5
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Velopack.dll

        • Path C:\Users\Admin\AppData\Local\osulazer\current\Velopack.dll
        • Size 286KB
        • SHA256 3793cb47c1ade6dedb2f98dff54bd4bec4a70c6befbf3e93c0855b020e7536c9
        • MD5 SHA1 SHA512 SSDEEP TLSH

        clrjit.dll

        • Path C:\Users\Admin\AppData\Local\osulazer\current\clrjit.dll
        • Size 2.1MB
        • SHA256 86b4f6565f36aaf922dad13314376d52e59d9d4af80ab7b298d54a04f3ff6474
        • MD5 SHA1 SHA512 SSDEEP TLSH

        coreclr.dll

        • Path C:\Users\Admin\AppData\Local\osulazer\current\coreclr.dll
        • Size 4.0MB
        • SHA256 3d7b780b17ae3a0c19b7e985837b0195dec5cafa6862708f98689238e4694072
        • MD5 SHA1 SHA512 SSDEEP TLSH

        hostfxr.dll

        • Path C:\Users\Admin\AppData\Local\osulazer\current\hostfxr.dll
        • Size 370KB
        • SHA256 838591885c5396fb0588a3aedc2f3e841d3afc67570868b1bce615264005a44c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        hostpolicy.dll

        • Path C:\Users\Admin\AppData\Local\osulazer\current\hostpolicy.dll
        • Size 369KB
        • SHA256 e92a2e71eeeaf7c574e905935b3e3724ef29bade44317659dbe06f505e99dbe0
        • MD5 SHA1 SHA512 SSDEEP TLSH

        mscorlib.dll

        • Path C:\Users\Admin\AppData\Local\osulazer\current\mscorlib.dll
        • Size 58KB
        • SHA256 b698595367a7d4fa57ccacab73751fde0bb8f2415345c62cdfe7ced890da2c0c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        netstandard.dll

        • Path C:\Users\Admin\AppData\Local\osulazer\current\netstandard.dll
        • Size 98KB
        • SHA256 3dc81dbc9dacd28261632c94410859eda24c2db50cd6c14309cbb2a434b50c57
        • MD5 SHA1 SHA512 SSDEEP TLSH

        osu!.deps.json

        • Path C:\Users\Admin\AppData\Local\osulazer\current\osu!.deps.json
        • Size 122KB
        • SHA256 33c747507dc1a65c5dbfcc91fc1ee31fc53627f112550a46c35a668e6736d888
        • MD5 SHA1 SHA512 SSDEEP TLSH

        osu!.dll

        • Path C:\Users\Admin\AppData\Local\osulazer\current\osu!.dll
        • Size 245KB
        • SHA256 bd97f68f8eb35603b0a6f1cf78c9ef5fa89e86ccd273283354d6e516330cee01
        • MD5 SHA1 SHA512 SSDEEP TLSH

        osu!.exe

        • Path C:\Users\Admin\AppData\Local\osulazer\current\osu!.exe
        • Size 250KB
        • SHA256 2ea71f129348e93ef04f065f3eacaef8941ab64b8b82fcbce3703e8ee7adc957
        • MD5 SHA1 SHA512 SSDEEP TLSH

        osu!.runtimeconfig.json

        • Path C:\Users\Admin\AppData\Local\osulazer\current\osu!.runtimeconfig.json
        • Size 470B
        • SHA256 df8d3e97c1c7c3ac4cbb729142a07253ad21f041a04cb506dbb06f2ceb47d03d
        • MD5 SHA1 SHA512 TLSH

        osu.Framework.dll

        • Path C:\Users\Admin\AppData\Local\osulazer\current\osu.Framework.dll
        • Size 3.8MB
        • SHA256 234c4278eb6a377f5cb1bc48e9ba12e8c639891c000b77e0c320947acf7a2e8e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        osu.Game.Auth.dll

        • Path C:\Users\Admin\AppData\Local\osulazer\current\osu.Game.Auth.dll
        • Size 238KB
        • SHA256 e45756390363527f0fcaaaebc1f65692b96603babe1a6623a1c9c25da439086b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        osu.Game.Tournament.dll

        • Path C:\Users\Admin\AppData\Local\osulazer\current\osu.Game.Tournament.dll
        • Size 227KB
        • SHA256 56dc0f6d04050bf6d4b64bfafa4a33192637b91e6cfbc47e97f8dcda5bf82562
        • MD5 SHA1 SHA512 SSDEEP TLSH

        osu.Game.dll

        • Path C:\Users\Admin\AppData\Local\osulazer\current\osu.Game.dll
        • Size 6.6MB
        • SHA256 f4903a29cb81619027c093cf2b9068d6c0a578654885c864451f799f694939b2
        • MD5 SHA1 SHA512 SSDEEP TLSH

        osuTK.dll

        • Path C:\Users\Admin\AppData\Local\osulazer\current\osuTK.dll
        • Size 6.1MB
        • SHA256 ac86efdbd21ff7c824f9978394c678542532d849f7396346a5d3f914fbd121f3
        • MD5 SHA1 SHA512 SSDEEP TLSH

        sq.version

        • Path C:\Users\Admin\AppData\Local\osulazer\current\sq.version
        • Size 541B
        • SHA256 ca19f349a26354072c2002ba2f70ed265b6d01a061cff74e27627b717b73e384
        • MD5 SHA1 SHA512 TLSH

        AuthNative.dll

        • Path C:\Users\Admin\AppData\Roaming\osu\AuthNative.dll
        • Size 10.9MB
        • SHA256 16c8a3811828c6b2f726e6fcbc0c8805c022d194449d307aaabe7958091cbdd0
        • 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

        1790785879.runtime.log

        • Path C:\Users\Admin\AppData\Roaming\osu\logs\1790785879.runtime.log
        • Size 5KB
        • SHA256 018687ccf9cd78853529c33f0ea2fc7fa6aec4556b2b959d73b6842b23135e74
        • MD5 SHA1 SHA512 SSDEEP TLSH

        desktop.ini

        • Path C:\Users\Admin\Videos\Captures\desktop.ini
        • Size 190B
        • SHA256 86d9f822aeb989755fac82929e8db369b3f5f04117ef96fd76e3d5f920a501d2
        • MD5 SHA1 SHA512 TLSH

        memory/1044-510-0x00007FFF699F0000-0x00007FFF69A01000-memory.dmp

        memory/1044-697-0x0000023AD9540000-0x0000023AD994E000-memory.dmp

        memory/1044-499-0x00007FFF69AE0000-0x00007FFF69B3B000-memory.dmp

        memory/1044-576-0x0000023AD9540000-0x0000023AD994E000-memory.dmp

        memory/1044-488-0x00007FFF6AB00000-0x00007FFF6B5F9000-memory.dmp

        memory/1044-605-0x0000023AD9540000-0x0000023AD994E000-memory.dmp

        memory/1044-712-0x0000023AD9540000-0x0000023AD994E000-memory.dmp

        memory/1044-695-0x0000023AD9540000-0x0000023AD994E000-memory.dmp

        memory/1044-696-0x0000023AD9540000-0x0000023AD994E000-memory.dmp

        memory/1044-523-0x0000023AD9540000-0x0000023AD994E000-memory.dmp

        memory/1044-701-0x0000023AD9540000-0x0000023AD994E000-memory.dmp

        memory/1044-702-0x0000023AD9540000-0x0000023AD994E000-memory.dmp

        memory/1044-703-0x0000023AD9540000-0x0000023AD994E000-memory.dmp

        memory/1044-704-0x00007FFF6AB00000-0x00007FFF6B5F9000-memory.dmp

        memory/1044-705-0x0000023AD9540000-0x0000023AD994E000-memory.dmp

        memory/1044-706-0x0000023AD9540000-0x0000023AD994E000-memory.dmp

        memory/1044-707-0x0000023AD9540000-0x0000023AD994E000-memory.dmp

        memory/1044-711-0x0000023AD9540000-0x0000023AD994E000-memory.dmp

        memory/4604-472-0x0000025452A60000-0x0000025452E6E000-memory.dmp