Analysis

  • max time kernel
    148s
  • max time network
    149s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    06/08/2026, 01:55

General

  • Target
    _CommonRedist/xnafx40_redist.msi
  • Size 6.7MB
  • Sample260806-cb476a1elb
  • SHA256 47260420773a20443fb1e38a89b7f39c5237a80a842de598e6c8f7f90a3bbd6d
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 7 IoCs
  • Enumerates connected drives 3 TTPs 46 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in System32 directory 21 IoCs
  • Drops file in Program Files directory 14 IoCs
  • Drops file in Windows directory 33 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Event Triggered Execution: Installer Packages 2 TTPs 1 IoCs
  • 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 SCSI registry key(s) 3 TTPs 5 IoCs

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

  • Modifies data under HKEY_USERS 53 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

Processes

  • C:\Windows\system32\msiexec.exe
    msiexec.exe /I C:\Users\Admin\AppData\Local\Temp\_CommonRedist\xnafx40_redist.msi
    1⤵
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    PID:5620
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies data under HKEY_USERS
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:5244
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:3680
      • C:\Program Files (x86)\Microsoft XNA\XNA Game Studio\v4.0\Redist\DX Redist\DXSETUP.exe
        "C:\Program Files (x86)\Microsoft XNA\XNA Game Studio\v4.0\Redist\DX Redist\DXSETUP.exe" /silent
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Drops file in System32 directory
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Modifies data under HKEY_USERS
        • Modifies registry class
        PID:6012
      • C:\Windows\syswow64\MsiExec.exe
        "C:\Windows\syswow64\MsiExec.exe" /Y "C:\Program Files (x86)\Common Files\Microsoft Shared\XNA\Framework\Shared\xnavisualizer.dll"
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Modifies registry class
        • Suspicious use of SetWindowsHookEx
        PID:2836
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      • Suspicious use of AdjustPrivilegeToken
      PID:6028

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          e5a91c3.rbs

          • Path C:\Config.Msi\e5a91c3.rbs
          • Size 17KB
          • SHA256 8c061f6d8aa8cefe136833455a37af431c8c6c4e1caaffb3d60ff50ada7556ce
          • MD5 SHA1 SHA512 SSDEEP TLSH

          e5a91c5.rbs

          • Path C:\Config.Msi\e5a91c5.rbs
          • Size 596B
          • SHA256 6cebc657ed6c6694a83376ffd097e39b1552100df12610fc20ddef1f9d3a8ad5
          • MD5 SHA1 SHA512 TLSH

          Apr2007_d3dx9_33_x86.cab

          • Path C:\PROGRA~2\MICROS~2\XNAGAM~1\v4.0\Redist\DXREDI~1\Apr2007_d3dx9_33_x86.cab
          • Size 1.5MB
          • SHA256 219441f975c200352a12dc3d8f82811fc7b53ed28d63761327933afbb660f876
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Apr2007_xinput_x86.cab

          • Path C:\PROGRA~2\MICROS~2\XNAGAM~1\v4.0\Redist\DXREDI~1\Apr2007_xinput_x86.cab
          • Size 55KB
          • SHA256 5ab7bb15394e4ece850da5453413ab1de2ea97d5c93f86482b75073aaa05da9c
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Feb2010_X3DAudio_x86.cab

          • Path C:\PROGRA~2\MICROS~2\XNAGAM~1\v4.0\Redist\DXREDI~1\Feb2010_X3DAudio_x86.cab
          • Size 20KB
          • SHA256 7fbf09682fd15d721ff2c5cb110b5ffcf5982cd2dd8d72b708cf3cd0bc4fa250
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Feb2010_XACT_x86.cab

          • Path C:\PROGRA~2\MICROS~2\XNAGAM~1\v4.0\Redist\DXREDI~1\Feb2010_XACT_x86.cab
          • Size 90KB
          • SHA256 0ba00c41443639dea9b816fa2608088ccef5dbe850531dff4c1e7993804b0b60
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Feb2010_XAudio_x86.cab

          • Path C:\PROGRA~2\MICROS~2\XNAGAM~1\v4.0\Redist\DXREDI~1\Feb2010_XAudio_x86.cab
          • Size 270KB
          • SHA256 281bb0e12f617e9ae7fe3301a7d4a08201b377caa0311a886e8cddc2526f734a
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Mar2009_d3dx9_41_x86.cab

          • Path C:\PROGRA~2\MICROS~2\XNAGAM~1\v4.0\Redist\DXREDI~1\Mar2009_d3dx9_41_x86.cab
          • Size 1.5MB
          • SHA256 5146e15d4c65590704286bfcfbbcc31e98a6832f8a7cc3bfdcb1e7fa5a647bb1
          • MD5 SHA1 SHA512 SSDEEP TLSH

          dxupdate.cab

          • Path C:\PROGRA~2\MICROS~2\XNAGAM~1\v4.0\Redist\DXREDI~1\dxupdate.cab
          • Size 93KB
          • SHA256 54d68f154058433865708ee0dbf3ecf2d609ffbd618e84a1056440379494d9fd
          • MD5 SHA1 SHA512 SSDEEP TLSH

          xnavisualizer.dll

          • Path C:\Program Files (x86)\Common Files\Microsoft Shared\XNA\Framework\Shared\xnavisualizer.dll
          • Size 46KB
          • SHA256 11bcc9f47d9b0397f6d78c08e7208ee812cbef54bb02a8c3a681608879471c8c
          • MD5 SHA1 SHA512 SSDEEP TLSH

          DSETUP32.DLL

          • Path C:\Program Files (x86)\Microsoft XNA\XNA Game Studio\v4.0\Redist\DX Redist\DSETUP32.DLL
          • Size 1.6MB
          • SHA256 a5c6df12f9fe2edab2a22fe7abf3cb17eac110a6fd469f2570ba04afc88ad767
          • MD5 SHA1 SHA512 SSDEEP TLSH

          DXSETUP.exe

          • Path C:\Program Files (x86)\Microsoft XNA\XNA Game Studio\v4.0\Redist\DX Redist\DXSETUP.exe
          • Size 512KB
          • SHA256 16953a202265db5655b3dd972b855619728da76545a2f94bcbb6c43262f48d5b
          • MD5 SHA1 SHA512 SSDEEP TLSH

          dsetup.dll

          • Path C:\Program Files (x86)\Microsoft XNA\XNA Game Studio\v4.0\Redist\DX Redist\dsetup.dll
          • Size 91KB
          • SHA256 9d47b4fa2dcce6a02a51324cfb97f5e153086c2eb8832b211e175cbe5fb850b3
          • MD5 SHA1 SHA512 SSDEEP TLSH

          FEB2010_X3DAudio_x86.inf

          • Path C:\Users\Admin\AppData\Local\Temp\DX9D89.tmp\FEB2010_X3DAudio_x86.inf
          • Size 1KB
          • SHA256 d4da3e530982812d1e2a31570b80af541fac1b13c72997d2aad7ea3bfeaf4a4a
          • MD5 SHA1 SHA512 TLSH

          FEB2010_XACT_x86.inf

          • Path C:\Users\Admin\AppData\Local\Temp\DX9D89.tmp\FEB2010_XACT_x86.inf
          • Size 1KB
          • SHA256 e850fdb84bcac0f667927e53fee943efd3f43be6c6a0ae1e17f3fff83ddb2635
          • MD5 SHA1 SHA512 TLSH

          FEB2010_XAudio_x86.inf

          • Path C:\Users\Admin\AppData\Local\Temp\DX9D89.tmp\FEB2010_XAudio_x86.inf
          • Size 1KB
          • SHA256 74c827ef94881099761e04397ef8f162fd0ccaf4876a5503c4b53a5216d2acca
          • MD5 SHA1 SHA512 TLSH

          Mar2009_d3dx9_41_x86.inf

          • Path C:\Users\Admin\AppData\Local\Temp\DX9D89.tmp\Mar2009_d3dx9_41_x86.inf
          • Size 1KB
          • SHA256 bd29711cc2ecd924990167ffa95f48842e24aeed3acef1023717040240b4bbb6
          • MD5 SHA1 SHA512 TLSH

          X3DAudio1_7.dll

          • Path C:\Users\Admin\AppData\Local\Temp\DX9D89.tmp\X3DAudio1_7.dll
          • Size 21KB
          • SHA256 288c701bdedf1d45c63dd0b7d424a752f8819f90feb5088c582f76bc98970ba3
          • MD5 SHA1 SHA512 SSDEEP TLSH

          XAPOFX1_4.dll

          • Path C:\Users\Admin\AppData\Local\Temp\DX9D89.tmp\XAPOFX1_4.dll
          • Size 72KB
          • SHA256 0aee44b12913a95840ee6431d90518b0d72c54a27392e21ee6995e2151554a06
          • MD5 SHA1 SHA512 SSDEEP TLSH

          XAudio2_6.dll

          • Path C:\Users\Admin\AppData\Local\Temp\DX9D89.tmp\XAudio2_6.dll
          • Size 515KB
          • SHA256 61b57170f7c6365714396072d22cb98746718c0f44c9f0d5c62fdb1b218639c7
          • MD5 SHA1 SHA512 SSDEEP TLSH

          apr2007_d3dx9_33_x86.inf

          • Path C:\Users\Admin\AppData\Local\Temp\DX9D89.tmp\apr2007_d3dx9_33_x86.inf
          • Size 1KB
          • SHA256 349a09a2791d697bffffc61410a536cdcf258f0d7c86dda44a297e8aec4bdf00
          • MD5 SHA1 SHA512 TLSH

          apr2007_xinput_x86.inf

          • Path C:\Users\Admin\AppData\Local\Temp\DX9D89.tmp\apr2007_xinput_x86.inf
          • Size 1KB
          • SHA256 1c798cb80e9e46ce03356ea7316e1eff5d3a88ccdd7cbfbfcdce73cded23b4e5
          • MD5 SHA1 SHA512 TLSH

          d3dx9_33.dll

          • Path C:\Users\Admin\AppData\Local\Temp\DX9D89.tmp\d3dx9_33.dll
          • Size 3.3MB
          • SHA256 c6b7b2ad7742dde5dd8d1a35fdc1c185e586e551ad9c74d3fb21759cd8ca4da8
          • MD5 SHA1 SHA512 SSDEEP TLSH

          d3dx9_41.dll

          • Path C:\Users\Admin\AppData\Local\Temp\DX9D89.tmp\d3dx9_41.dll
          • Size 4.0MB
          • SHA256 6ac4df203af419d3f3b7d9a99e14a3490ea3ad307c474bfe36baea642b1421f6
          • MD5 SHA1 SHA512 SSDEEP TLSH

          dxupdate.dll

          • Path C:\Users\Admin\AppData\Local\Temp\DX9D89.tmp\dxupdate.dll
          • Size 169KB
          • SHA256 b1f954cd75dc3c9d5bc57f1a4c28720ee3639aa8a4306f3da7b27d3c361ff8f5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          dxupdate.inf

          • Path C:\Users\Admin\AppData\Local\Temp\DX9D89.tmp\dxupdate.inf
          • Size 12KB
          • SHA256 7530c6e18dbb522c5f4fbf6714962c185ea318f9eab7aeb833b0cc07cd2fe656
          • MD5 SHA1 SHA512 SSDEEP TLSH

          xactengine3_6.dll

          • Path C:\Users\Admin\AppData\Local\Temp\DX9D89.tmp\xactengine3_6.dll
          • Size 233KB
          • SHA256 8a7e7c5ac2e6230f0249d46751522e7ecf85e7490cf7491ab73bf2e7e59e4c0f
          • MD5 SHA1 SHA512 SSDEEP TLSH

          xinput1_3.dll

          • Path C:\Users\Admin\AppData\Local\Temp\DX9D89.tmp\xinput1_3.dll
          • Size 79KB
          • SHA256 8d540d484ea41e374fd0107d55d253f87ded4ce780d515d8fd59bbe8c98970a7
          • MD5 SHA1 SHA512 SSDEEP TLSH

          e5a91c4.msi

          • Path C:\Windows\Installer\e5a91c4.msi
          • Size 6.7MB
          • SHA256 47260420773a20443fb1e38a89b7f39c5237a80a842de598e6c8f7f90a3bbd6d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          DirectX.log

          • Path C:\Windows\Logs\DirectX.log
          • Size 10KB
          • SHA256 61836fc6c534c001c11e87727425a539c2d008480d3a0565a8a3652a643103f0
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Microsoft.Xna.Framework.Graphics.dll

          • Path C:\Windows\Microsoft.NET\assembly\GAC_32\Microsoft.Xna.Framework.Graphics\v4.0_4.0.0.0__842cf8be1de50553\Microsoft.Xna.Framework.Graphics.dll
          • Size 417KB
          • SHA256 39aed7fd8e308ccace5ce9390256f1c829ca72c2eccd97d4a0f629f24015d3a5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Microsoft.Xna.Framework.Xact.dll

          • Path C:\Windows\Microsoft.NET\assembly\GAC_32\Microsoft.Xna.Framework.Xact\v4.0_4.0.0.0__842cf8be1de50553\Microsoft.Xna.Framework.Xact.dll
          • Size 74KB
          • SHA256 6824bb0b7b42626d1ed5b7ab7e4dab4a380fa010175d4de0fadb1c3904e491d1
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Microsoft.Xna.Framework.Input.Touch.dll

          • Path C:\Windows\Microsoft.NET\assembly\GAC_MSIL\Microsoft.Xna.Framework.Input.Touch\v4.0_4.0.0.0__842cf8be1de50553\Microsoft.Xna.Framework.Input.Touch.dll
          • Size 22KB
          • SHA256 2191bad4540b50723acbda55bd2c6e5d80cc6f84ad989ff89ddda672348577b2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Microsoft.Xna.Framework.Net.dll

          • Path C:\Windows\Microsoft.NET\assembly\GAC_MSIL\Microsoft.Xna.Framework.Net\v4.0_4.0.0.0__842cf8be1de50553\Microsoft.Xna.Framework.Net.dll
          • Size 53KB
          • SHA256 3c0b37068ad56193fd613eb8f6bd321e7e08a99b9cf85606ccddf060afb1263b
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Microsoft.Xna.Framework.Video.dll

          • Path C:\Windows\Microsoft.NET\assembly\GAC_MSIL\Microsoft.Xna.Framework.Video\v4.0_4.0.0.0__842cf8be1de50553\Microsoft.Xna.Framework.Video.dll
          • Size 17KB
          • SHA256 63c7673c936747abd9ebe779e8837c8b8add2c078a31216684fbf8c6bcab2745
          • MD5 SHA1 SHA512 SSDEEP TLSH

          metadata-2

          • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
          • Size 26.1MB
          • SHA256 b762c464a8d1155da9a749b1936ad8984148ee510c24c0b423394c2fbeab18c9
          • MD5 SHA1 SHA512 SSDEEP TLSH

          {c68401f4-474d-4c55-96fc-e7c6ce01b931}_OnDiskSnapshotProp

          • Path \??\Volume{cb180e94-0000-0000-0000-d08302000000}\System Volume Information\SPP\OnlineMetadataCache\{c68401f4-474d-4c55-96fc-e7c6ce01b931}_OnDiskSnapshotProp
          • Size 6KB
          • SHA256 a21ff6b7bdd179566fc57f0a9a5178af2d35088d5bfa8898d06b33125b04452e
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/5244-41-0x0000016ACDEA0000-0x0000016ACDEAC000-memory.dmp

          memory/5244-47-0x0000000000880000-0x0000000000896000-memory.dmp

          memory/5244-19-0x0000016ACDD80000-0x0000016ACDD8C000-memory.dmp

          memory/5244-44-0x0000016ACDEF0000-0x0000016ACDEFA000-memory.dmp

          memory/5244-29-0x0000016ACDED0000-0x0000016ACDEE8000-memory.dmp

          memory/5244-38-0x0000016ACDF10000-0x0000016ACDF24000-memory.dmp

          memory/5244-26-0x0000016ACDEB0000-0x0000016ACDEC8000-memory.dmp

          memory/5244-21-0x0000016AD3FA0000-0x0000016AD4944000-memory.dmp

          memory/5244-23-0x0000000000760000-0x000000000080A000-memory.dmp

          memory/5244-35-0x0000016ACDE90000-0x0000016ACDE9C000-memory.dmp

          memory/5244-32-0x0000000000810000-0x000000000087C000-memory.dmp

          memory/5244-1192-0x0000016AD3FA0000-0x0000016AD4944000-memory.dmp