Analysis

  • max time kernel
    149s
  • max time network
    161s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    05/08/2026, 03:18

General

  • Target
    osu!.exe
  • Size 4.3MB
  • Sample260805-dtmlhaxclg
  • SHA256 1a4d5fc5f07cb48446bfb05cb4924ef9217f1695f39dc1bb0dfb156354a53add
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Drops desktop.ini file(s) 1 IoCs
  • Network Service Discovery 1 TTPs 1 IoCs

    Attempt to gather information on host's network.

  • Loads dropped DLL 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • 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 5 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⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Modifies system certificate store
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3008
    • C:\Users\Admin\AppData\Local\Temp\osu!.exe
      "C:\Users\Admin\AppData\Local\Temp\osu!.exe" -repair
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:5992
  • C:\Windows\System32\GameBarPresenceWriter.exe
    "C:\Windows\System32\GameBarPresenceWriter.exe" -ServerName:Windows.Gaming.GameBar.Internal.PresenceWriterServer
    1⤵
    • Network Service Discovery
    PID:5644
  • C:\Windows\system32\OpenWith.exe
    C:\Windows\system32\OpenWith.exe -Embedding
    1⤵
    • Suspicious use of SetWindowsHookEx
    PID:4756
  • 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:5032

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        18E6B4A57A6BC7EC9B861CDF2D6D0D02_C3B142D2C5374581DC2FDFFDEDBDEDDB

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\18E6B4A57A6BC7EC9B861CDF2D6D0D02_C3B142D2C5374581DC2FDFFDEDBDEDDB
        • Size 765B
        • SHA256 e34859bb5d9e1be9d43295be5b519a98b8082a88e513d013d745187c9b6c049d
        • MD5 SHA1 SHA512 TLSH

        AEACCDA8653DD8D7B2EA32F21D15D44F_C99E84AF904BD8598CB3FED576528926

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\AEACCDA8653DD8D7B2EA32F21D15D44F_C99E84AF904BD8598CB3FED576528926
        • Size 637B
        • SHA256 c13a9bb8560107d5920ee6632c6c50a6838dedf50ecff985c51088409cc5319e
        • MD5 SHA1 SHA512 TLSH

        B2FAF7692FD9FFBD64EDE317E42334BA_93702E680A5530C052C8D2BA33A2225F

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B2FAF7692FD9FFBD64EDE317E42334BA_93702E680A5530C052C8D2BA33A2225F
        • Size 1KB
        • SHA256 a0d6ce27684a757d37eab3719f249b191a0479b5e63a1ec2be4bd6779ff85ad4
        • MD5 SHA1 SHA512 TLSH

        18E6B4A57A6BC7EC9B861CDF2D6D0D02_C3B142D2C5374581DC2FDFFDEDBDEDDB

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\18E6B4A57A6BC7EC9B861CDF2D6D0D02_C3B142D2C5374581DC2FDFFDEDBDEDDB
        • Size 484B
        • SHA256 ba8ba64cd2599bf097eca4c09f10ef4ed11e7dd0187600b31a0d9cc3fb83b8d0
        • MD5 SHA1 SHA512 TLSH

        AEACCDA8653DD8D7B2EA32F21D15D44F_C99E84AF904BD8598CB3FED576528926

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\AEACCDA8653DD8D7B2EA32F21D15D44F_C99E84AF904BD8598CB3FED576528926
        • Size 488B
        • SHA256 b7487490505f16fa377301db1e25786b62c880cb28581cf40d2776c22610f678
        • MD5 SHA1 SHA512 TLSH

        B2FAF7692FD9FFBD64EDE317E42334BA_93702E680A5530C052C8D2BA33A2225F

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B2FAF7692FD9FFBD64EDE317E42334BA_93702E680A5530C052C8D2BA33A2225F
        • Size 482B
        • SHA256 005febcb2dc835282cb97caf6ac64be420dd353db67596741e15a664a999c6e1
        • MD5 SHA1 SHA512 TLSH

        update.log

        • Path C:\Users\Admin\AppData\Local\Temp\Logs\update.log
        • Size 2KB
        • SHA256 10f0d73313b068a998e2725f425f1bc749cade2528e1fa11d9f14906bc39d203
        • MD5 SHA1 SHA512 TLSH

        update.log

        • Path C:\Users\Admin\AppData\Local\Temp\Logs\update.log
        • Size 2KB
        • SHA256 cb856e75206841f542f122e5f2dfc971328ae75c20d266e68db12e80512ac90b
        • MD5 SHA1 SHA512 TLSH

        update.log

        • Path C:\Users\Admin\AppData\Local\Temp\Logs\update.log
        • Size 3KB
        • SHA256 7a4bb8c46dbc8fc1dea116dd6a0ec07ed8e9a73b1131488961fda5bdcc90022e
        • MD5 SHA1 SHA512 TLSH

        update.log

        • Path C:\Users\Admin\AppData\Local\Temp\Logs\update.log
        • Size 4KB
        • SHA256 133d6881e1474f1a9fb2f7811a121bd7dc7aac7f12c7c63c8555c05bf3711797
        • MD5 SHA1 SHA512 SSDEEP TLSH

        update.log

        • Path C:\Users\Admin\AppData\Local\Temp\Logs\update.log
        • Size 325B
        • SHA256 f7dcdb893291eb08557166589e39f9d59f22f361f0052c82c20cdb4d3953c726
        • MD5 SHA1 SHA512 TLSH

        update.log

        • Path C:\Users\Admin\AppData\Local\Temp\Logs\update.log
        • Size 415B
        • SHA256 2019087add90a49ee7d7755807389fb74c37611c28059631535e345c89d7e319
        • MD5 SHA1 SHA512 TLSH

        update.log

        • Path C:\Users\Admin\AppData\Local\Temp\Logs\update.log
        • Size 740B
        • SHA256 2c5bb57005f8372e4db0519d2aa30d58e11947c5cab2585b1b02d06e3f373bcc
        • MD5 SHA1 SHA512 TLSH

        update.log

        • Path C:\Users\Admin\AppData\Local\Temp\Logs\update.log
        • Size 1KB
        • SHA256 70d1469c4ad76c0b7ebee6f7e702e38897f6df910c30b9dbf89e94f771b16754
        • MD5 SHA1 SHA512 TLSH

        update.log

        • Path C:\Users\Admin\AppData\Local\Temp\Logs\update.log
        • Size 1KB
        • SHA256 32381046b366d7c6b01f146a2e2ef88a461e5c7b4f68a47b8867c72c63fcf5c9
        • MD5 SHA1 SHA512 TLSH

        OpenTK.dll

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

        libEGL.dll

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

        libGLESv2.dll

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

        osu!.Admin.cfg

        • Path C:\Users\Admin\AppData\Local\Temp\osu!.Admin.cfg
        • Size 4KB
        • SHA256 7c3b50e6cb86863d8d21c8cd1d34f6d1906d5f6856d19ff35b7d03307fab5806
        • MD5 SHA1 SHA512 SSDEEP TLSH

        osu!.cfg.639215004340740740

        • Path C:\Users\Admin\AppData\Local\Temp\osu!.cfg.639215004340740740
        • Size 49B
        • SHA256 f11b2f84271b332b901d6394fd406553d1687af9e265b9a2757138f8ee31938e
        • MD5 SHA1 SHA512

        desktop.ini

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

        memory/3008-25-0x0000000008E80000-0x0000000008E8A000-memory.dmp

        memory/3008-50-0x00000000744A0000-0x0000000074C5C000-memory.dmp

        memory/3008-48-0x00000000744A0000-0x0000000074C5C000-memory.dmp

        memory/3008-47-0x00000000744A0000-0x0000000074C5C000-memory.dmp

        memory/3008-46-0x00000000744B2000-0x00000000744B3000-memory.dmp

        memory/3008-29-0x000000000BB60000-0x000000000BF8C000-memory.dmp

        memory/3008-26-0x00000000744A0000-0x0000000074C5C000-memory.dmp

        memory/3008-0-0x00000000744B2000-0x00000000744B3000-memory.dmp

        memory/3008-16-0x0000000007750000-0x000000000778C000-memory.dmp

        memory/3008-15-0x0000000007AC0000-0x0000000007FEC000-memory.dmp

        memory/3008-14-0x00000000744A0000-0x0000000074C5C000-memory.dmp

        memory/3008-13-0x0000000007250000-0x00000000072A6000-memory.dmp

        memory/3008-3-0x0000000005500000-0x0000000005592000-memory.dmp

        memory/3008-2-0x0000000005AC0000-0x000000000607A000-memory.dmp

        memory/3008-1-0x00000000004C0000-0x0000000000906000-memory.dmp