Analysis

  • max time kernel
    149s
  • max time network
    160s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    11/05/2026, 12:35

General

  • Target
    Cat-Goes-Fishing-SteamRIP.com/_CommonRedist/xnafx40_redist.msi
  • Size 6.7MB
  • Sample260511-psbcmads8m
  • SHA256 e6c41d692ebcba854dad4b1c52bb7ddd05926bad3105595d6596b8bab01c25e7
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 7 IoCs
  • Badlisted process makes network request 1 IoCs

    Network request originating from process or tool commonly abused by malware.

  • 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 48 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\Cat-Goes-Fishing-SteamRIP.com\_CommonRedist\xnafx40_redist.msi
    1⤵
    • Badlisted process makes network request
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:5348
  • 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:5048
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:2640
      • 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:5356
      • 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:5460
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      • Suspicious use of AdjustPrivilegeToken
      PID:2444

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          e58ec02.rbs

          • Path C:\Config.Msi\e58ec02.rbs
          • Size 17KB
          • SHA256 2cadc54cab42a9326f713c4b522155492245c2fc22a90859e8c4b726a9a04e21
          • MD5 SHA1 SHA512 SSDEEP TLSH

          e58ec04.rbs

          • Path C:\Config.Msi\e58ec04.rbs
          • Size 596B
          • SHA256 8a16af32b4fae32d0c375ef7932fb5a68b7b210e1511025620ab4d8a163d9984
          • 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

          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

          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

          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\DXEFF9.tmp\FEB2010_X3DAudio_x86.inf
          • Size 1KB
          • SHA256 d4da3e530982812d1e2a31570b80af541fac1b13c72997d2aad7ea3bfeaf4a4a
          • MD5 SHA1 SHA512 TLSH

          FEB2010_XACT_x86.inf

          • Path C:\Users\Admin\AppData\Local\Temp\DXEFF9.tmp\FEB2010_XACT_x86.inf
          • Size 1KB
          • SHA256 e850fdb84bcac0f667927e53fee943efd3f43be6c6a0ae1e17f3fff83ddb2635
          • MD5 SHA1 SHA512 TLSH

          FEB2010_XAudio_x86.inf

          • Path C:\Users\Admin\AppData\Local\Temp\DXEFF9.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\DXEFF9.tmp\Mar2009_d3dx9_41_x86.inf
          • Size 1KB
          • SHA256 bd29711cc2ecd924990167ffa95f48842e24aeed3acef1023717040240b4bbb6
          • MD5 SHA1 SHA512 TLSH

          X3DAudio1_7.dll

          • Path C:\Users\Admin\AppData\Local\Temp\DXEFF9.tmp\X3DAudio1_7.dll
          • Size 21KB
          • SHA256 288c701bdedf1d45c63dd0b7d424a752f8819f90feb5088c582f76bc98970ba3
          • MD5 SHA1 SHA512 SSDEEP TLSH

          XAPOFX1_4.dll

          • Path C:\Users\Admin\AppData\Local\Temp\DXEFF9.tmp\XAPOFX1_4.dll
          • Size 72KB
          • SHA256 0aee44b12913a95840ee6431d90518b0d72c54a27392e21ee6995e2151554a06
          • MD5 SHA1 SHA512 SSDEEP TLSH

          apr2007_d3dx9_33_x86.inf

          • Path C:\Users\Admin\AppData\Local\Temp\DXEFF9.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\DXEFF9.tmp\apr2007_xinput_x86.inf
          • Size 1KB
          • SHA256 1c798cb80e9e46ce03356ea7316e1eff5d3a88ccdd7cbfbfcdce73cded23b4e5
          • MD5 SHA1 SHA512 TLSH

          d3dx9_33.dll

          • Path C:\Users\Admin\AppData\Local\Temp\DXEFF9.tmp\d3dx9_33.dll
          • Size 3.3MB
          • SHA256 c6b7b2ad7742dde5dd8d1a35fdc1c185e586e551ad9c74d3fb21759cd8ca4da8
          • MD5 SHA1 SHA512 SSDEEP TLSH

          d3dx9_41.dll

          • Path C:\Users\Admin\AppData\Local\Temp\DXEFF9.tmp\d3dx9_41.dll
          • Size 4.0MB
          • SHA256 6ac4df203af419d3f3b7d9a99e14a3490ea3ad307c474bfe36baea642b1421f6
          • MD5 SHA1 SHA512 SSDEEP TLSH

          dxupdate.dll

          • Path C:\Users\Admin\AppData\Local\Temp\DXEFF9.tmp\dxupdate.dll
          • Size 169KB
          • SHA256 b1f954cd75dc3c9d5bc57f1a4c28720ee3639aa8a4306f3da7b27d3c361ff8f5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          dxupdate.inf

          • Path C:\Users\Admin\AppData\Local\Temp\DXEFF9.tmp\dxupdate.inf
          • Size 12KB
          • SHA256 7530c6e18dbb522c5f4fbf6714962c185ea318f9eab7aeb833b0cc07cd2fe656
          • MD5 SHA1 SHA512 SSDEEP TLSH

          xinput1_3.dll

          • Path C:\Users\Admin\AppData\Local\Temp\DXEFF9.tmp\xinput1_3.dll
          • Size 79KB
          • SHA256 8d540d484ea41e374fd0107d55d253f87ded4ce780d515d8fd59bbe8c98970a7
          • MD5 SHA1 SHA512 SSDEEP TLSH

          e58ec03.msi

          • Path C:\Windows\Installer\e58ec03.msi
          • Size 6.7MB
          • SHA256 e6c41d692ebcba854dad4b1c52bb7ddd05926bad3105595d6596b8bab01c25e7
          • MD5 SHA1 SHA512 SSDEEP TLSH

          DirectX.log

          • Path C:\Windows\Logs\DirectX.log
          • Size 8KB
          • SHA256 0ac7b7771bce206766aa6b3ec6256e47d4ed6ca49821e1d55e60f4da0226136e
          • 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.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

          XAudio2_6.dll

          • Path C:\Windows\SysWOW64\XAudio2_6.dll
          • Size 515KB
          • SHA256 61b57170f7c6365714396072d22cb98746718c0f44c9f0d5c62fdb1b218639c7
          • MD5 SHA1 SHA512 SSDEEP TLSH

          xactengine3_6.dll

          • Path C:\Windows\SysWOW64\xactengine3_6.dll
          • Size 233KB
          • SHA256 8a7e7c5ac2e6230f0249d46751522e7ecf85e7490cf7491ab73bf2e7e59e4c0f
          • MD5 SHA1 SHA512 SSDEEP TLSH

          metadata-2

          • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
          • Size 24.6MB
          • SHA256 fd65aaf9cfc3df74c15f6297adf29e6b3eaa5e1cde997c47fbdd50dfe014879a
          • MD5 SHA1 SHA512 SSDEEP TLSH

          {7628473b-48de-4636-b20f-e37f6c9450c5}_OnDiskSnapshotProp

          • Path \??\Volume{21a5fa1d-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{7628473b-48de-4636-b20f-e37f6c9450c5}_OnDiskSnapshotProp
          • Size 6KB
          • SHA256 726b4c889d9f7753e341a161bd05c8c1ba99fda4a21bba817bfa4ca7421f09a6
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/5048-46-0x00000000002C0000-0x000000000032C000-memory.dmp

          memory/5048-34-0x000001FA7BDD0000-0x000001FA7BDDC000-memory.dmp

          memory/5048-43-0x000001FA7BE20000-0x000001FA7BE38000-memory.dmp

          memory/5048-49-0x000001FA7BDE0000-0x000001FA7BDEC000-memory.dmp

          memory/5048-55-0x000001FA7BDF0000-0x000001FA7BDFC000-memory.dmp

          memory/5048-52-0x000001FA7BE60000-0x000001FA7BE74000-memory.dmp

          memory/5048-431-0x000001FA01B20000-0x000001FA01C0A000-memory.dmp

          memory/5048-40-0x000001FA7BE00000-0x000001FA7BE18000-memory.dmp

          memory/5048-58-0x000001FA7BE40000-0x000001FA7BE4A000-memory.dmp

          memory/5048-428-0x000001FA019D0000-0x000001FA019DC000-memory.dmp

          memory/5048-37-0x0000000000210000-0x00000000002BA000-memory.dmp

          memory/5048-61-0x0000000000330000-0x0000000000346000-memory.dmp

          memory/5348-2-0x000001C251290000-0x000001C25137A000-memory.dmp

          memory/5348-3-0x000001C251A50000-0x000001C251A5C000-memory.dmp

          memory/5348-1239-0x000001C251290000-0x000001C25137A000-memory.dmp

          memory/5348-1244-0x000001C251A50000-0x000001C251A5C000-memory.dmp

          memory/5348-1243-0x000001C251290000-0x000001C25137A000-memory.dmp

          memory/5356-1191-0x0000000000E50000-0x0000000000FFC000-memory.dmp

          memory/5460-1225-0x0000000001450000-0x00000000015FC000-memory.dmp