Analysis

  • max time kernel
    24s
  • max time network
    40s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    20/10/2026, 22:58

General

  • Target
    osu_.exe
  • Size 4.3MB
  • Sample261020-2xshxsys4k
  • SHA256 3adc2d001aacced5f92ba8ae24121980d5e23f5653f37d14cf4765bca1abd9f9
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Network Service Discovery 1 TTPs 1 IoCs

    Attempt to gather information on host's network.

  • Executes dropped EXE 1 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 4 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 2 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 1 IoCs
  • Modifies system certificate store 2 TTPs 13 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\osu_.exe
    "C:\Users\Admin\AppData\Local\Temp\osu_.exe"
    1⤵
    • Reads the TCP/IP host and domain name from the registry
    • System Location Discovery: System Language Discovery
    • Modifies system certificate store
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:960
    • C:\Users\Admin\AppData\Local\osu!\osu!.exe
      "C:\Users\Admin\AppData\Local\osu!\osu!.exe"
      2⤵
      • Executes dropped EXE
      • Reads the TCP/IP host and domain name from the registry
      • System Location Discovery: System Language Discovery
      • Modifies system certificate store
      • Suspicious use of AdjustPrivilegeToken
      PID:2656
      • C:\Users\Admin\AppData\Local\osu!\osu!.exe
        "C:\Users\Admin\AppData\Local\osu!\osu!.exe"
        3⤵
          PID:2608
    • C:\Windows\System32\GameBarPresenceWriter.exe
      "C:\Windows\System32\GameBarPresenceWriter.exe" -ServerName:Windows.Gaming.GameBar.Internal.PresenceWriterServer
      1⤵
      • Network Service Discovery
      PID:5564
    • C:\Windows\system32\OpenWith.exe
      C:\Windows\system32\OpenWith.exe -Embedding
      1⤵
      • Suspicious use of SetWindowsHookEx
      PID:2708
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k BcastDVRUserService -s BcastDVRUserService
      1⤵
      • Checks processor information in registry
      • Modifies registry class
      PID:5976

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          5080DC7A65DB6A5960ECD874088F3328_BC00434159DAE8351451CCE9C748F5D7

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\5080DC7A65DB6A5960ECD874088F3328_BC00434159DAE8351451CCE9C748F5D7
          • Size 2KB
          • SHA256 9b2b6af033da236284fef4378ed8fa264cd9b2895ce6e71c0f3c0fc57bd89110
          • MD5 SHA1 SHA512 TLSH

          515195B826B230146D00BC66A056A7F8

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\515195B826B230146D00BC66A056A7F8
          • Size 20KB
          • SHA256 0d95e1960a487f4b2c3a45be8e811f8c7b9488610a0932b59d552a9cded9ede3
          • MD5 SHA1 SHA512 SSDEEP TLSH

          5A6896595A9B5FF7A8254147F2B2367B

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\5A6896595A9B5FF7A8254147F2B2367B
          • Size 22KB
          • SHA256 c7fdecc636e57a8b57fedf225172d6b59bc3e4ecc38c03bc9f1e0dde35960c59
          • MD5 SHA1 SHA512 SSDEEP TLSH

          77003E887FC21E505B9E28CBA30E18ED_8ACE642DC0A43382FABA7AE806561A50

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\77003E887FC21E505B9E28CBA30E18ED_8ACE642DC0A43382FABA7AE806561A50
          • Size 1KB
          • SHA256 b8d6feb626b1acfdf5fbf1eb274e89ce97734e0b4f182c7b3451042561a31dab
          • MD5 SHA1 SHA512 TLSH

          B2FAF7692FD9FFBD64EDE317E42334BA_2DBE917624E9880FE0C7C5570D56E691

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B2FAF7692FD9FFBD64EDE317E42334BA_2DBE917624E9880FE0C7C5570D56E691
          • Size 1KB
          • SHA256 be4c6d71ff28f6c17839dbdd5d6cf62b55601ef205a82b4e398d42db2c35c6d5
          • MD5 SHA1 SHA512 TLSH

          D2B5168CDD0EBF4C0C8EA1C3A1FAE07F_69320653974E97D8129B19E9D4DB56AA

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\D2B5168CDD0EBF4C0C8EA1C3A1FAE07F_69320653974E97D8129B19E9D4DB56AA
          • Size 509B
          • SHA256 e787d8097fe0e18cffd17b9e5cb311629bc63203554127c35f85ff6eb06aac0f
          • MD5 SHA1 SHA512 TLSH

          EF7234CDBB1649702229F955C785C39F

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\EF7234CDBB1649702229F955C785C39F
          • Size 785B
          • SHA256 9e153cc9331fb887cacd6f08cfa3dc5aac7b9b26b4b9cfa75d2ac57288e9142a
          • MD5 SHA1 SHA512 TLSH

          5080DC7A65DB6A5960ECD874088F3328_BC00434159DAE8351451CCE9C748F5D7

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\5080DC7A65DB6A5960ECD874088F3328_BC00434159DAE8351451CCE9C748F5D7
          • Size 490B
          • SHA256 c599a7143875b2e4ad3f9cc3b081a3c11b01ed5335c559668ad024809a7cccbf
          • MD5 SHA1 SHA512 TLSH

          515195B826B230146D00BC66A056A7F8

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\515195B826B230146D00BC66A056A7F8
          • Size 290B
          • SHA256 656d2a3285d0c35093f0cf047854470330f9c69806b45228571148b4084f73a2
          • MD5 SHA1 SHA512 TLSH

          5A6896595A9B5FF7A8254147F2B2367B

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\5A6896595A9B5FF7A8254147F2B2367B
          • Size 290B
          • SHA256 7bad92873540de707f20cbf68f0108725526f58481c05ad0305f8654916b2f64
          • MD5 SHA1 SHA512 TLSH

          77003E887FC21E505B9E28CBA30E18ED_8ACE642DC0A43382FABA7AE806561A50

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\77003E887FC21E505B9E28CBA30E18ED_8ACE642DC0A43382FABA7AE806561A50
          • Size 422B
          • SHA256 66703cb9a4eb4bfeb3b13112e9a0f3812c366325983aab1574ac7c3e96aba039
          • MD5 SHA1 SHA512 TLSH

          B2FAF7692FD9FFBD64EDE317E42334BA_2DBE917624E9880FE0C7C5570D56E691

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B2FAF7692FD9FFBD64EDE317E42334BA_2DBE917624E9880FE0C7C5570D56E691
          • Size 486B
          • SHA256 2632c560df7323ab8101f87c498c6fa5b066638c823492f484198e1e0637e0c4
          • MD5 SHA1 SHA512 TLSH

          D2B5168CDD0EBF4C0C8EA1C3A1FAE07F_69320653974E97D8129B19E9D4DB56AA

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\D2B5168CDD0EBF4C0C8EA1C3A1FAE07F_69320653974E97D8129B19E9D4DB56AA
          • Size 498B
          • SHA256 ec660fb6e8a3363ceb190f754d683cfe883e2ac1df0fce8919ba7fd2e9250ded
          • MD5 SHA1 SHA512 TLSH

          EF7234CDBB1649702229F955C785C39F

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\EF7234CDBB1649702229F955C785C39F
          • Size 308B
          • SHA256 e4905b267e34706a1d47f036e2b9b886941ed45e2cafd2e19d7cbf21e016c756
          • MD5 SHA1 SHA512 TLSH

          update.log

          • Path C:\Users\Admin\AppData\Local\osu!\Logs\update.log
          • Size 4KB
          • SHA256 7f6183b9f7152856c63524779adabf9619bc9384fc6df3534f59f72e141fa45f
          • MD5 SHA1 SHA512 SSDEEP TLSH

          update.log

          • Path C:\Users\Admin\AppData\Local\osu!\Logs\update.log
          • Size 370B
          • SHA256 44d5a392ae5431abd4e98989a7d8e7d6012c8515c4fae5c8323f41ece814a7b8
          • MD5 SHA1 SHA512 TLSH

          update.log

          • Path C:\Users\Admin\AppData\Local\osu!\Logs\update.log
          • Size 616B
          • SHA256 de9ddb234c295258e38c9dd7dff7fc0a697dd789951686927a66deb86cb4f419
          • MD5 SHA1 SHA512 TLSH

          update.log

          • Path C:\Users\Admin\AppData\Local\osu!\Logs\update.log
          • Size 3KB
          • SHA256 38b6af1e5c7cb98f0c584c04d3dc76ea9314be30b64ec44ac97b622f5f51426d
          • MD5 SHA1 SHA512 TLSH

          update.log

          • Path C:\Users\Admin\AppData\Local\osu!\Logs\update.log
          • Size 325B
          • SHA256 5c53084c43b39e0e2a5f38ce6dffdbb74bc11b545d5b7ef90d2520daf39e853a
          • MD5 SHA1 SHA512 TLSH

          update.log

          • Path C:\Users\Admin\AppData\Local\osu!\Logs\update.log
          • Size 583B
          • SHA256 4d7e2cbc3ec6400dc9b47b041e7468e47306f57f1b8b7199f133d00bb706c18c
          • MD5 SHA1 SHA512 TLSH

          update_success.log

          • Path C:\Users\Admin\AppData\Local\osu!\Logs\update_success.log
          • Size 6KB
          • SHA256 523f2f35062569030fdbd8dd513ae4338c9099251e894e0c71af8922cd9139f5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Microsoft.Ink.dll

          • Path C:\Users\Admin\AppData\Local\osu!\_pending\Microsoft.Ink.dll
          • Size 456KB
          • SHA256 1081255de41aafd51bc8f4e4404ef02209e59625ae65fa926657df5690716c5d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          OpenTK.dll

          • Path C:\Users\Admin\AppData\Local\osu!\_pending\OpenTK.dll
          • Size 4.2MB
          • SHA256 b415f3e061d9758316074dcbf31d6dba48cb0b89405254db94ead0e43ed88511
          • MD5 SHA1 SHA512 SSDEEP TLSH

          avcodec-51.dll

          • Path C:\Users\Admin\AppData\Local\osu!\_pending\avcodec-51.dll
          • Size 4.2MB
          • SHA256 e512fe71775f767285cfb3310d8f1ac042639ab3d1a02ca3675b82cfd3cbc702
          • MD5 SHA1 SHA512 SSDEEP TLSH

          avformat-52.dll

          • Path C:\Users\Admin\AppData\Local\osu!\_pending\avformat-52.dll
          • Size 711KB
          • SHA256 b155e2bfce3adbbc45d01ec991160ab4fab7e8d33a0ab835463da860d3693867
          • MD5 SHA1 SHA512 SSDEEP TLSH

          avutil-49.dll

          • Path C:\Users\Admin\AppData\Local\osu!\_pending\avutil-49.dll
          • Size 77KB
          • SHA256 e51523f179a8ab8101eaa3e587c5e1dfe6c19636ecfa582896833f06d2e79064
          • MD5 SHA1 SHA512 SSDEEP TLSH

          bass.dll

          • Path C:\Users\Admin\AppData\Local\osu!\_pending\bass.dll
          • Size 125KB
          • SHA256 67766e574baa86eb8317623acc2957e8e28944bb801a8c10a0fa9d29fdb4cfd3
          • MD5 SHA1 SHA512 SSDEEP TLSH

          bass_fx.dll

          • Path C:\Users\Admin\AppData\Local\osu!\_pending\bass_fx.dll
          • Size 50KB
          • SHA256 81111a1cb6f8f362cf232e21098c563fe1409160300f2a254f2a1762e5d4db04
          • MD5 SHA1 SHA512 SSDEEP TLSH

          d3dcompiler_47.dll

          • Path C:\Users\Admin\AppData\Local\osu!\_pending\d3dcompiler_47.dll
          • Size 3.3MB
          • SHA256 efbdbbcd0d954f8fdc53467de5d89ad525e4e4a9cfff8a15d07c6fdb350c407f
          • MD5 SHA1 SHA512 SSDEEP TLSH

          libEGL.dll

          • Path C:\Users\Admin\AppData\Local\osu!\_pending\libEGL.dll
          • Size 146KB
          • SHA256 041a631d114e45a11c43efe3b7712a10ce8052cf4b313c7f4577a5b9adb78072
          • MD5 SHA1 SHA512 SSDEEP TLSH

          libGLESv2.dll

          • Path C:\Users\Admin\AppData\Local\osu!\_pending\libGLESv2.dll
          • Size 3.2MB
          • SHA256 cbfc536b80405da7b5c37c97fceaf2310daf58d78c806140367b8f513352342f
          • MD5 SHA1 SHA512 SSDEEP TLSH

          osu!auth.dll

          • Path C:\Users\Admin\AppData\Local\osu!\_pending\osu!auth.dll
          • Size 15.2MB
          • SHA256 d30b1d334a8b2d9e833e48a657ff1647a74f96b49d296522a4979428db1bdc22
          • MD5 SHA1 SHA512 SSDEEP TLSH

          osu!gameplay.dll

          • Path C:\Users\Admin\AppData\Local\osu!\_pending\osu!gameplay.dll
          • Size 30.4MB
          • SHA256 ba3467a8db908d81a0729f78fdc5c8f1d1595d3da4e5a9a34be9a16e06da9f87
          • MD5 SHA1 SHA512 SSDEEP TLSH

          osu!seasonal.dll

          • Path C:\Users\Admin\AppData\Local\osu!\_pending\osu!seasonal.dll
          • Size 3.5MB
          • SHA256 27decc7e0c959078325eb800b04626d6b9498b33cf118850c0e7b78dea470500
          • MD5 SHA1 SHA512 SSDEEP TLSH

          osu!ui.dll

          • Path C:\Users\Admin\AppData\Local\osu!\_pending\osu!ui.dll
          • Size 24.8MB
          • SHA256 22e041674931161e2c2c15241fb6c5f3125f8d57e4660ef7c0b7fb64449253c7
          • MD5 SHA1 SHA512 SSDEEP TLSH

          pthreadGC2.dll

          • Path C:\Users\Admin\AppData\Local\osu!\_pending\pthreadGC2.dll
          • Size 75KB
          • SHA256 b18c8437663002e4a4f06c4c1b7bec71fe13e5e6bbb927c68a273de02a5c690f
          • MD5 SHA1 SHA512 SSDEEP TLSH

          osu!.cfg

          • Path C:\Users\Admin\AppData\Local\osu!\osu!.cfg
          • Size 856B
          • SHA256 d037fe50380998945e319279b06903c9336c304c0b9b47e8e89d3292c76fb6b4
          • MD5 SHA1 SHA512 TLSH

          osu!.exe

          • Path C:\Users\Admin\AppData\Local\osu!\osu!.exe
          • Size 4.3MB
          • SHA256 3adc2d001aacced5f92ba8ae24121980d5e23f5653f37d14cf4765bca1abd9f9
          • MD5 SHA1 SHA512 SSDEEP TLSH

          desktop.ini

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

          memory/960-33-0x0000000074B12000-0x0000000074B13000-memory.dmp

          memory/960-18-0x0000000074B00000-0x00000000752BC000-memory.dmp

          memory/960-0-0x0000000074B12000-0x0000000074B13000-memory.dmp

          memory/960-1-0x00000000007D0000-0x0000000000C26000-memory.dmp

          memory/960-2-0x0000000005D50000-0x000000000630A000-memory.dmp

          memory/960-35-0x0000000074B00000-0x00000000752BC000-memory.dmp

          memory/960-34-0x0000000074B00000-0x00000000752BC000-memory.dmp

          memory/960-45-0x0000000074B00000-0x00000000752BC000-memory.dmp

          memory/960-3-0x0000000005830000-0x00000000058C2000-memory.dmp

          memory/960-15-0x00000000064B0000-0x00000000064EC000-memory.dmp

          memory/960-16-0x0000000074B00000-0x00000000752BC000-memory.dmp

          memory/960-17-0x0000000006F80000-0x0000000006F8A000-memory.dmp

          memory/2608-367-0x000000006FAA0000-0x00000000709DC000-memory.dmp

          memory/2608-356-0x000000000DB30000-0x000000000DE8B000-memory.dmp

          memory/2608-382-0x000000000AE70000-0x000000000AEE4000-memory.dmp

          memory/2608-408-0x000000000ADC0000-0x000000000ADD0000-memory.dmp

          memory/2608-375-0x000000000ACB0000-0x000000000ACC3000-memory.dmp

          memory/2608-371-0x000000000EDF0000-0x000000000F000000-memory.dmp

          memory/2608-370-0x000000000E5C0000-0x000000000E9EC000-memory.dmp

          memory/2608-377-0x000000006E9B0000-0x000000006EA07000-memory.dmp

          memory/2608-416-0x0000000074B00000-0x00000000752BC000-memory.dmp

          memory/2608-391-0x000000000ACB0000-0x000000000ACC3000-memory.dmp

          memory/2608-344-0x0000000006D40000-0x0000000006D96000-memory.dmp

          memory/2656-61-0x000000000AF00000-0x000000000B42C000-memory.dmp

          memory/2656-63-0x000000000B430000-0x000000000B78B000-memory.dmp

          memory/2656-62-0x000000000AAA0000-0x000000000AAC2000-memory.dmp