Analysis

  • max time kernel
    150s
  • max time network
    15s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260710-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    22/07/2026, 15:58

General

  • Target
    NepTunnel 2.3.exe
  • Size 74.6MB
  • Sample260722-tejjasgh55
  • SHA256 8e37cb9d9bf467f73d7e2794abd34d501ccd8810feae2e0f5ef0e7ca4032f31d
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10

Malware Config

Signatures

  • Loads dropped DLL 25 IoCs
  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\NepTunnel 2.3.exe
    "C:\Users\Admin\AppData\Local\Temp\NepTunnel 2.3.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:920
    • C:\Users\Admin\AppData\Local\Temp\NepTunnel 2.3.exe
      "C:\Users\Admin\AppData\Local\Temp\NepTunnel 2.3.exe"
      2⤵
      • Loads dropped DLL
      PID:5128
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k GPSvcGroup
    1⤵
      PID:5068

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          CleanedAnimsNepFile.rbxm

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI9202\CleanedAnimsNepFile.rbxm
          • Size 21.1MB
          • SHA256 f681a310b6913338c1bd6c607e30234eae22a266caffdad2723c273e75fa9bae
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MapsforNepfile.rbxm

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI9202\MapsforNepfile.rbxm
          • Size 44.7MB
          • SHA256 4c5b400e5f4116ee1f8dd334abe4b36f637169dff90b343b5585bb20bf75ba0c
          • MD5 SHA1 SHA512 SSDEEP TLSH

          _imaging.cp314-win_amd64.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI9202\PIL\_imaging.cp314-win_amd64.pyd
          • Size 2.5MB
          • SHA256 b4e06283c347910b5973bd5732159ea9eb26eda48e3eed183be2e3382db26597
          • MD5 SHA1 SHA512 SSDEEP TLSH

          _imagingft.cp314-win_amd64.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI9202\PIL\_imagingft.cp314-win_amd64.pyd
          • Size 2.1MB
          • SHA256 7e6910e39fa06b4049f058a781a20bcac40c4844d46037859c76de76852dbb3e
          • MD5 SHA1 SHA512 SSDEEP TLSH

          VCRUNTIME140.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI9202\VCRUNTIME140.dll
          • Size 117KB
          • SHA256 052ad6a20d375957e82aa6a3c441ea548d89be0981516ca7eb306e063d5027f4
          • MD5 SHA1 SHA512 SSDEEP TLSH

          VCRUNTIME140_1.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI9202\VCRUNTIME140_1.dll
          • Size 48KB
          • SHA256 6a99bc0128e0c7d6cbbf615fcc26909565e17d4ca3451b97f8987f9c6acbc6c8
          • MD5 SHA1 SHA512 SSDEEP TLSH

          _bz2.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI9202\_bz2.pyd
          • Size 85KB
          • SHA256 082a761a280b08afecf6fb0509050ffbf7e87d1638ca49466b8b3eb4c85009b4
          • MD5 SHA1 SHA512 SSDEEP TLSH

          _ctypes.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI9202\_ctypes.pyd
          • Size 139KB
          • SHA256 a11d680d89f054584e6a5b2a03103d8731def86e367aff2f70cce8c6367f9025
          • MD5 SHA1 SHA512 SSDEEP TLSH

          _hashlib.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI9202\_hashlib.pyd
          • Size 67KB
          • SHA256 0c11671a2c572b4c016be263789f238125419df5711e281acdce8da50d9badda
          • MD5 SHA1 SHA512 SSDEEP TLSH

          _lzma.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI9202\_lzma.pyd
          • Size 157KB
          • SHA256 2376cd374ce8c2c5ecf573226e563a96975599533f86a5f5eba5bdb705e341bb
          • MD5 SHA1 SHA512 SSDEEP TLSH

          _socket.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI9202\_socket.pyd
          • Size 85KB
          • SHA256 42b84410269af5a5578679a3fe7b17d75d28f77a0c3c09d589adadd9d2d3e5f6
          • MD5 SHA1 SHA512 SSDEEP TLSH

          _ssl.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI9202\_ssl.pyd
          • Size 180KB
          • SHA256 bc17486f149f7311839c70b1cda5a22e4546a9670d3136d665df95ff3cc43abd
          • MD5 SHA1 SHA512 SSDEEP TLSH

          auto.tcl

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI9202\_tcl_data\auto.tcl
          • Size 21KB
          • SHA256 08113823951619d659eb03a1f6acd2f9500e1264795219125a5df7b83cabcb99
          • MD5 SHA1 SHA512 SSDEEP TLSH

          cp1252.enc

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI9202\_tcl_data\encoding\cp1252.enc
          • Size 1KB
          • SHA256 741859cf238c3a63bbb20ec6ed51e46451372bb221cfff438297d261d0561c2e
          • MD5 SHA1 SHA512 TLSH

          pkgIndex.tcl

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI9202\_tcl_data\http1.0\pkgIndex.tcl
          • Size 746B
          • SHA256 77265723959c092897c2449c5b7768ca72d0efcd8c505bddbb7a84f6aa401339
          • MD5 SHA1 SHA512 TLSH

          init.tcl

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI9202\_tcl_data\init.tcl
          • Size 25KB
          • SHA256 acacce15658dd7ce8f69b1e3d3a94770a22972a8e906eb3b61cd06f0ecd5db59
          • MD5 SHA1 SHA512 SSDEEP TLSH

          pkgIndex.tcl

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI9202\_tcl_data\opt0.4\pkgIndex.tcl
          • Size 636B
          • SHA256 68accee3eb8d0f134f9472c95425190ec08e7793df20a58d7d35325f42804695
          • MD5 SHA1 SHA512 TLSH

          package.tcl

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI9202\_tcl_data\package.tcl
          • Size 23KB
          • SHA256 b471cec9056b62d562020b14d69d4bd1f92dfe158afc8ba81c6341836211ca46
          • MD5 SHA1 SHA512 SSDEEP TLSH

          tclIndex

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI9202\_tcl_data\tclIndex
          • Size 7KB
          • SHA256 577f042bbe640e2739606a1f76098abdb8bd1d1f31526402fb82b21091644f65
          • MD5 SHA1 SHA512 SSDEEP TLSH

          tm.tcl

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI9202\_tcl_data\tm.tcl
          • Size 11KB
          • SHA256 f0cc13daca21fee538cca757aa09e88a969a85174eda26e61e573dda6c7ba413
          • MD5 SHA1 SHA512 SSDEEP TLSH

          button.tcl

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI9202\_tk_data\button.tcl
          • Size 21KB
          • SHA256 1f5dd8d81b26f16e772e92fd2a22accb785004d0ed3447e54f87005d9c6a07a5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          entry.tcl

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI9202\_tk_data\entry.tcl
          • Size 18KB
          • SHA256 6ac78f764434f932d37e8183aa6db5d04eb1848b774c92f7abc243ecb7d4a59b
          • MD5 SHA1 SHA512 SSDEEP TLSH

          icons.tcl

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI9202\_tk_data\icons.tcl
          • Size 10KB
          • SHA256 1264940e62b9a37967925418e9d0dc0befd369e8c181b9bab3d1607e3cc14b85
          • MD5 SHA1 SHA512 SSDEEP TLSH

          listbox.tcl

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI9202\_tk_data\listbox.tcl
          • Size 14KB
          • SHA256 47c75f9f8348bf8f2c086c57b97b73741218100ca38d10b8abdf2051c95b9801
          • MD5 SHA1 SHA512 SSDEEP TLSH

          menu.tcl

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI9202\_tk_data\menu.tcl
          • Size 39KB
          • SHA256 ae4ee8400174c798337b9c60867cbc94f811b249ebe6dea21ec6f960bcf5f8cb
          • MD5 SHA1 SHA512 SSDEEP TLSH

          pkgIndex.tcl

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI9202\_tk_data\pkgIndex.tcl
          • Size 376B
          • SHA256 6127926b94db2992ab450fc6cc2ec3d071f7bbc856656d0ae20cc3fd4036f547
          • MD5 SHA1 SHA512 TLSH

          tk.tcl

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI9202\_tk_data\tk.tcl
          • Size 23KB
          • SHA256 b7fd24177b17f67da2ca671f711309c65cf246be1fd0cf4f1ab8f3ea9ca2c3f1
          • MD5 SHA1 SHA512 SSDEEP TLSH

          _tkinter.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI9202\_tkinter.pyd
          • Size 67KB
          • SHA256 f1d7eebfe85d0b3ef56e9db4d23fe3421de7ed77bfd8bea1df83a1ae96600fea
          • MD5 SHA1 SHA512 SSDEEP TLSH

          _uuid.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI9202\_uuid.pyd
          • Size 27KB
          • SHA256 d75d04aa989f8be9666505ac11339416719e38fc0701047388b061b4e576030a
          • MD5 SHA1 SHA512 SSDEEP TLSH

          _wmi.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI9202\_wmi.pyd
          • Size 39KB
          • SHA256 a299a6caf7241cebb0081c3ed9e98f815c61feee3e4813c1fd32369bd3fe6f5e
          • MD5 SHA1 SHA512 SSDEEP TLSH

          _zstd.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI9202\_zstd.pyd
          • Size 491KB
          • SHA256 8f04a54778d4f21202f1bb9cfd5d080c5c5022158016dcaaf5908f7e2350270c
          • MD5 SHA1 SHA512 SSDEEP TLSH

          base_library.zip

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI9202\base_library.zip
          • Size 1.3MB
          • SHA256 2fda0551f146a26c002d7cd6f544982f6087e4bc1125b3fc42b8c9e6b0f8c95a
          • MD5 SHA1 SHA512 SSDEEP TLSH

          blue.json

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI9202\customtkinter\assets\themes\blue.json
          • Size 4KB
          • SHA256 c9417470c16ced7a43d6c4a8e027afa6edc62c24d5aee7c4c2dcd11385964d3b
          • MD5 SHA1 SHA512 SSDEEP TLSH

          libcrypto-3.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI9202\libcrypto-3.dll
          • Size 5.0MB
          • SHA256 e03dd02fdcfb791981c9962827cfcf495f2a47a514c1526efb57f847a9df514a
          • MD5 SHA1 SHA512 SSDEEP TLSH

          libffi-8.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI9202\libffi-8.dll
          • Size 38KB
          • SHA256 eff52743773eb550fcc6ce3efc37c85724502233b6b002a35496d828bd7b280a
          • MD5 SHA1 SHA512 SSDEEP TLSH

          libssl-3.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI9202\libssl-3.dll
          • Size 776KB
          • SHA256 1e4bc0638682bfcbb36f4465d6a2e9944d917a60f05ecc8ddf9e96847e05e13f
          • MD5 SHA1 SHA512 SSDEEP TLSH

          python314.DLL

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI9202\python314.DLL
          • Size 6.4MB
          • SHA256 7ffe3ab11342db03cc18b026f27485c0f74f5bf10f239f1f6573394900596394
          • MD5 SHA1 SHA512 SSDEEP TLSH

          select.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI9202\select.pyd
          • Size 32KB
          • SHA256 a0f7b2e00144794e497d11fffc14e7a968f59e207c702ca7b262b7037065b5ba
          • MD5 SHA1 SHA512 SSDEEP TLSH

          tcl86t.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI9202\tcl86t.dll
          • Size 1.8MB
          • SHA256 2fd6035e9e26b90ee5cb5e6f22f9dbc2a3576c81a5da4c673e0d36a540c55c2a
          • MD5 SHA1 SHA512 SSDEEP TLSH

          msgcat-1.6.1.tm

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI9202\tcl8\8.5\msgcat-1.6.1.tm
          • Size 34KB
          • SHA256 adca186be560f2236265f538d4cb6df1171bed91192118796988bb9c08a4bc7c
          • MD5 SHA1 SHA512 SSDEEP TLSH

          tk86t.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI9202\tk86t.dll
          • Size 1.5MB
          • SHA256 abcabe172f982a2969ef45dd2c79630c2dd84562b657e11dd97cf2bcfce095c7
          • MD5 SHA1 SHA512 SSDEEP TLSH

          zlib1.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI9202\zlib1.dll
          • Size 144KB
          • SHA256 3245e82143491f36fd67464949be58fbb7ce58b29607ddb305c6772491784d39
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/5128-1083-0x00007FFEB76B0000-0x00007FFEB76D9000-memory.dmp