Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows10-ltsc_2021_x64
  • resource
    win10ltsc2021-20260126-en
  • resource tags

    arch:x64arch:x86image:win10ltsc2021-20260126-enlocale:en-usos:windows10-ltsc_2021-x64system
  • submitted
    27/04/2026, 00:58

General

  • Target
    _CommonRedist/xnafx40_redist.msi
  • Size 6.7MB
  • Sample260427-bbvs2saz7z
  • SHA256 e6c41d692ebcba854dad4b1c52bb7ddd05926bad3105595d6596b8bab01c25e7
  • 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 29 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 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
    PID:784
  • 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 WriteProcessMemory
    PID:1348
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:5604
      • 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:576
      • 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
        PID:1896
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      • Suspicious use of AdjustPrivilegeToken
      PID:3588

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          e58fe61.rbs

          • Path C:\Config.Msi\e58fe61.rbs
          • Size 17KB
          • SHA256 0aa98760427c4fd64bd207878fee23a5d73694c5a295550c7fe957bef3d793c1
          • MD5 SHA1 SHA512 SSDEEP TLSH

          e58fe63.rbs

          • Path C:\Config.Msi\e58fe63.rbs
          • Size 596B
          • SHA256 c791858b259ed5ab1749691060d501f3e54a5b81ab62aecb9430db1e329dd6bd
          • 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

          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

          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

          FEB2010_X3DAudio_x86.inf

          • Path C:\Users\Admin\AppData\Local\Temp\DX42C.tmp\FEB2010_X3DAudio_x86.inf
          • Size 1KB
          • SHA256 d4da3e530982812d1e2a31570b80af541fac1b13c72997d2aad7ea3bfeaf4a4a
          • MD5 SHA1 SHA512 TLSH

          FEB2010_XACT_x86.inf

          • Path C:\Users\Admin\AppData\Local\Temp\DX42C.tmp\FEB2010_XACT_x86.inf
          • Size 1KB
          • SHA256 e850fdb84bcac0f667927e53fee943efd3f43be6c6a0ae1e17f3fff83ddb2635
          • MD5 SHA1 SHA512 TLSH

          FEB2010_XAudio_x86.inf

          • Path C:\Users\Admin\AppData\Local\Temp\DX42C.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\DX42C.tmp\Mar2009_d3dx9_41_x86.inf
          • Size 1KB
          • SHA256 bd29711cc2ecd924990167ffa95f48842e24aeed3acef1023717040240b4bbb6
          • MD5 SHA1 SHA512 TLSH

          X3DAudio1_7.dll

          • Path C:\Users\Admin\AppData\Local\Temp\DX42C.tmp\X3DAudio1_7.dll
          • Size 21KB
          • SHA256 288c701bdedf1d45c63dd0b7d424a752f8819f90feb5088c582f76bc98970ba3
          • MD5 SHA1 SHA512 SSDEEP TLSH

          XAPOFX1_4.dll

          • Path C:\Users\Admin\AppData\Local\Temp\DX42C.tmp\XAPOFX1_4.dll
          • Size 72KB
          • SHA256 0aee44b12913a95840ee6431d90518b0d72c54a27392e21ee6995e2151554a06
          • MD5 SHA1 SHA512 SSDEEP TLSH

          XAudio2_6.dll

          • Path C:\Users\Admin\AppData\Local\Temp\DX42C.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\DX42C.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\DX42C.tmp\apr2007_xinput_x86.inf
          • Size 1KB
          • SHA256 1c798cb80e9e46ce03356ea7316e1eff5d3a88ccdd7cbfbfcdce73cded23b4e5
          • MD5 SHA1 SHA512 TLSH

          d3dx9_33.dll

          • Path C:\Users\Admin\AppData\Local\Temp\DX42C.tmp\d3dx9_33.dll
          • Size 3.3MB
          • SHA256 c6b7b2ad7742dde5dd8d1a35fdc1c185e586e551ad9c74d3fb21759cd8ca4da8
          • MD5 SHA1 SHA512 SSDEEP TLSH

          d3dx9_41.dll

          • Path C:\Users\Admin\AppData\Local\Temp\DX42C.tmp\d3dx9_41.dll
          • Size 4.0MB
          • SHA256 6ac4df203af419d3f3b7d9a99e14a3490ea3ad307c474bfe36baea642b1421f6
          • MD5 SHA1 SHA512 SSDEEP TLSH

          dxupdate.dll

          • Path C:\Users\Admin\AppData\Local\Temp\DX42C.tmp\dxupdate.dll
          • Size 169KB
          • SHA256 b1f954cd75dc3c9d5bc57f1a4c28720ee3639aa8a4306f3da7b27d3c361ff8f5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          dxupdate.inf

          • Path C:\Users\Admin\AppData\Local\Temp\DX42C.tmp\dxupdate.inf
          • Size 12KB
          • SHA256 7530c6e18dbb522c5f4fbf6714962c185ea318f9eab7aeb833b0cc07cd2fe656
          • MD5 SHA1 SHA512 SSDEEP TLSH

          xactengine3_6.dll

          • Path C:\Users\Admin\AppData\Local\Temp\DX42C.tmp\xactengine3_6.dll
          • Size 233KB
          • SHA256 8a7e7c5ac2e6230f0249d46751522e7ecf85e7490cf7491ab73bf2e7e59e4c0f
          • MD5 SHA1 SHA512 SSDEEP TLSH

          xinput1_3.dll

          • Path C:\Users\Admin\AppData\Local\Temp\DX42C.tmp\xinput1_3.dll
          • Size 79KB
          • SHA256 8d540d484ea41e374fd0107d55d253f87ded4ce780d515d8fd59bbe8c98970a7
          • MD5 SHA1 SHA512 SSDEEP TLSH

          e58fe62.msi

          • Path C:\Windows\Installer\e58fe62.msi
          • Size 6.7MB
          • SHA256 e6c41d692ebcba854dad4b1c52bb7ddd05926bad3105595d6596b8bab01c25e7
          • MD5 SHA1 SHA512 SSDEEP TLSH

          DirectX.log

          • Path C:\Windows\Logs\DirectX.log
          • Size 10KB
          • SHA256 aa859b26000160253f8a1acb685e144230fca712042c81859622dec8f2dc4847
          • 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.dll

          • Path C:\Windows\Microsoft.NET\assembly\GAC_32\Microsoft.Xna.Framework\v4.0_4.0.0.0__842cf8be1de50553\Microsoft.Xna.Framework.dll
          • Size 657KB
          • SHA256 8b7aa4c4939f243b21432747281cc8aacdcda56191a16d9eaa036b4136cf0da4
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Microsoft.Xna.Framework.Avatar.dll

          • Path C:\Windows\Microsoft.NET\assembly\GAC_MSIL\Microsoft.Xna.Framework.Avatar\v4.0_4.0.0.0__842cf8be1de50553\Microsoft.Xna.Framework.Avatar.dll
          • Size 24KB
          • SHA256 7688ebdffc98433eef8aada293a8c4beec6d6acfc0e1f91ca8eb2f1c350e7cec
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Microsoft.Xna.Framework.GamerServices.dll

          • Path C:\Windows\Microsoft.NET\assembly\GAC_MSIL\Microsoft.Xna.Framework.GamerServices\v4.0_4.0.0.0__842cf8be1de50553\Microsoft.Xna.Framework.GamerServices.dll
          • Size 70KB
          • SHA256 627e84c06cc4e409870b068c9ec9149adba425e47e64185f92d839db2aa35484
          • 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.Storage.dll

          • Path C:\Windows\Microsoft.NET\assembly\GAC_MSIL\Microsoft.Xna.Framework.Storage\v4.0_4.0.0.0__842cf8be1de50553\Microsoft.Xna.Framework.Storage.dll
          • Size 20KB
          • SHA256 7edbb80c699ce3ead8aee5a512ee34c7718cb5dceeb1d0577e788ad8d0ad9383
          • 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 24.0MB
          • SHA256 b38ff2078673b0c24c0c132d004c46b64984d18036e89323ea40f0c29a39a9e6
          • MD5 SHA1 SHA512 SSDEEP TLSH

          {2f325d56-58e6-4867-aea5-601de96be651}_OnDiskSnapshotProp

          • Path \??\Volume{c42cdede-0000-0000-0000-d08302000000}\System Volume Information\SPP\OnlineMetadataCache\{2f325d56-58e6-4867-aea5-601de96be651}_OnDiskSnapshotProp
          • Size 6KB
          • SHA256 69c570c9989ce09f8e5992a46ee9a31613f221996a3fa1eaf74c39cb887de4d2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/576-1157-0x0000000002720000-0x00000000027B6000-memory.dmp

          memory/784-1210-0x000001ACB26F0000-0x000001ACB281B000-memory.dmp

          memory/784-1-0x000001ACB2C10000-0x000001ACB2C1C000-memory.dmp

          memory/784-0-0x000001ACB26F0000-0x000001ACB281B000-memory.dmp

          memory/784-1211-0x000001ACB2C10000-0x000001ACB2C1C000-memory.dmp

          memory/1348-37-0x000001E1EB0F0000-0x000001E1EB108000-memory.dmp

          memory/1348-1208-0x000001E1EADA0000-0x000001E1EADAC000-memory.dmp

          memory/1348-31-0x0000000000A70000-0x0000000000B1A000-memory.dmp

          memory/1348-34-0x000001E1EB0D0000-0x000001E1EB0E8000-memory.dmp

          memory/1348-40-0x0000000000B20000-0x0000000000B8C000-memory.dmp

          memory/1348-8-0x000001E1EA1F0000-0x000001E1EA31B000-memory.dmp

          memory/1348-55-0x0000000000B90000-0x0000000000BA6000-memory.dmp

          memory/1348-2-0x000001E1EA1F0000-0x000001E1EA31B000-memory.dmp

          memory/1348-43-0x000001E1EAF30000-0x000001E1EAF3C000-memory.dmp

          memory/1348-28-0x000001E1EAF20000-0x000001E1EAF2C000-memory.dmp

          memory/1348-1207-0x000001E1EA1F0000-0x000001E1EA31B000-memory.dmp

          memory/1348-52-0x000001E1EB110000-0x000001E1EB11A000-memory.dmp

          memory/1348-46-0x000001E1EB130000-0x000001E1EB144000-memory.dmp

          memory/1348-49-0x000001E1EAF40000-0x000001E1EAF4C000-memory.dmp

          memory/1896-1193-0x0000000000CD0000-0x0000000000D66000-memory.dmp

          memory/3588-1209-0x000001D1EC4C0000-0x000001D1EC5EB000-memory.dmp

          memory/5604-1212-0x0000019947C90000-0x0000019947DBB000-memory.dmp

          memory/5604-1215-0x0000019947C90000-0x0000019947DBB000-memory.dmp