Analysis

  • user interaction
    yes
  • max time kernel
    148s
  • max time network
    113s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    12/07/2026, 09:07

General

  • Target
    rat.exe
  • Size 10.6MB
  • Sample260712-k3tjqsft2n
  • SHA256 8aec3d785f10299b9bb28afaffbd4223c84d3acb58bf695f7e51f88d69f28b41
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Renames multiple (116) files with added filename extension

    This suggests ransomware activity of encrypting all the files on the system.

  • Loads dropped DLL 36 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops desktop.ini file(s) 4 IoCs
  • Delays execution with timeout.exe 2 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\rat.exe
    "C:\Users\Admin\AppData\Local\Temp\rat.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3012
    • C:\Users\Admin\AppData\Local\Temp\rat.exe
      "C:\Users\Admin\AppData\Local\Temp\rat.exe"
      2⤵
      • Loads dropped DLL
      • Adds Run key to start application
      • Drops desktop.ini file(s)
      • Suspicious use of WriteProcessMemory
      PID:3484
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c "ver"
        3⤵
          PID:3448
        • C:\Windows\system32\cmd.exe
          C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\cleanup.bat"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:5744
          • C:\Windows\system32\timeout.exe
            timeout /t 2 /nobreak
            4⤵
            • Delays execution with timeout.exe
            PID:5620
    • C:\Users\Admin\AppData\Local\Temp\rat.exe
      "C:\Users\Admin\AppData\Local\Temp\rat.exe"
      1⤵
      • Suspicious use of WriteProcessMemory
      PID:624
      • C:\Users\Admin\AppData\Local\Temp\rat.exe
        "C:\Users\Admin\AppData\Local\Temp\rat.exe"
        2⤵
        • Loads dropped DLL
        • Adds Run key to start application
        • Drops desktop.ini file(s)
        • Suspicious use of WriteProcessMemory
        PID:6012
        • C:\Windows\system32\cmd.exe
          C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\cleanup.bat"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:3896
          • C:\Windows\system32\timeout.exe
            timeout /t 2 /nobreak
            4⤵
            • Delays execution with timeout.exe
            PID:2324

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          VCRUNTIME140.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI30122\VCRUNTIME140.dll
          • Size 117KB
          • SHA256 052ad6a20d375957e82aa6a3c441ea548d89be0981516ca7eb306e063d5027f4
          • MD5 SHA1 SHA512 SSDEEP TLSH

          VCRUNTIME140_1.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI30122\VCRUNTIME140_1.dll
          • Size 48KB
          • SHA256 6a99bc0128e0c7d6cbbf615fcc26909565e17d4ca3451b97f8987f9c6acbc6c8
          • MD5 SHA1 SHA512 SSDEEP TLSH

          _bz2.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI30122\_bz2.pyd
          • Size 84KB
          • SHA256 65f610646d10d5babea080e060d244b546ec52c54012e5e937dc72dcc2e2e7bc
          • MD5 SHA1 SHA512 SSDEEP TLSH

          _ctypes.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI30122\_ctypes.pyd
          • Size 124KB
          • SHA256 0e56107a891100535f2da79d85a5ae65ff1227b4765bd108f8593ac1a1110d81
          • MD5 SHA1 SHA512 SSDEEP TLSH

          _hashlib.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI30122\_hashlib.pyd
          • Size 67KB
          • SHA256 03d233dbace599168eaffec823de6ed7beec8c2a4ebfe9b8a3d8e042a59af3ba
          • MD5 SHA1 SHA512 SSDEEP TLSH

          _lzma.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI30122\_lzma.pyd
          • Size 157KB
          • SHA256 e3deecc1f59a3b811c608861decd84de1e8df8bafd5e2b39188861318c5a38cf
          • MD5 SHA1 SHA512 SSDEEP TLSH

          _socket.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI30122\_socket.pyd
          • Size 83KB
          • SHA256 3efa4636cf9e350856f6927d67a4c2564bf9bd2758a00bbf17d3aece5b60016d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          _ssl.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI30122\_ssl.pyd
          • Size 175KB
          • SHA256 0bc527d2dbc50009f43b2ed5d5982c4f63f4b647647ffa9eda612dcda80f6040
          • MD5 SHA1 SHA512 SSDEEP TLSH

          auto.tcl

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI30122\_tcl_data\auto.tcl
          • Size 21KB
          • SHA256 08113823951619d659eb03a1f6acd2f9500e1264795219125a5df7b83cabcb99
          • MD5 SHA1 SHA512 SSDEEP TLSH

          cp1252.enc

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI30122\_tcl_data\encoding\cp1252.enc
          • Size 1KB
          • SHA256 741859cf238c3a63bbb20ec6ed51e46451372bb221cfff438297d261d0561c2e
          • MD5 SHA1 SHA512 TLSH

          pkgIndex.tcl

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI30122\_tcl_data\http1.0\pkgIndex.tcl
          • Size 746B
          • SHA256 77265723959c092897c2449c5b7768ca72d0efcd8c505bddbb7a84f6aa401339
          • MD5 SHA1 SHA512 TLSH

          init.tcl

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI30122\_tcl_data\init.tcl
          • Size 25KB
          • SHA256 acacce15658dd7ce8f69b1e3d3a94770a22972a8e906eb3b61cd06f0ecd5db59
          • MD5 SHA1 SHA512 SSDEEP TLSH

          pkgIndex.tcl

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI30122\_tcl_data\opt0.4\pkgIndex.tcl
          • Size 636B
          • SHA256 68accee3eb8d0f134f9472c95425190ec08e7793df20a58d7d35325f42804695
          • MD5 SHA1 SHA512 TLSH

          package.tcl

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI30122\_tcl_data\package.tcl
          • Size 23KB
          • SHA256 b471cec9056b62d562020b14d69d4bd1f92dfe158afc8ba81c6341836211ca46
          • MD5 SHA1 SHA512 SSDEEP TLSH

          tclIndex

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI30122\_tcl_data\tclIndex
          • Size 7KB
          • SHA256 577f042bbe640e2739606a1f76098abdb8bd1d1f31526402fb82b21091644f65
          • MD5 SHA1 SHA512 SSDEEP TLSH

          tm.tcl

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI30122\_tcl_data\tm.tcl
          • Size 11KB
          • SHA256 f0cc13daca21fee538cca757aa09e88a969a85174eda26e61e573dda6c7ba413
          • MD5 SHA1 SHA512 SSDEEP TLSH

          button.tcl

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI30122\_tk_data\button.tcl
          • Size 21KB
          • SHA256 1f5dd8d81b26f16e772e92fd2a22accb785004d0ed3447e54f87005d9c6a07a5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          entry.tcl

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI30122\_tk_data\entry.tcl
          • Size 18KB
          • SHA256 6ac78f764434f932d37e8183aa6db5d04eb1848b774c92f7abc243ecb7d4a59b
          • MD5 SHA1 SHA512 SSDEEP TLSH

          icons.tcl

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI30122\_tk_data\icons.tcl
          • Size 10KB
          • SHA256 1264940e62b9a37967925418e9d0dc0befd369e8c181b9bab3d1607e3cc14b85
          • MD5 SHA1 SHA512 SSDEEP TLSH

          listbox.tcl

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI30122\_tk_data\listbox.tcl
          • Size 14KB
          • SHA256 47c75f9f8348bf8f2c086c57b97b73741218100ca38d10b8abdf2051c95b9801
          • MD5 SHA1 SHA512 SSDEEP TLSH

          menu.tcl

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI30122\_tk_data\menu.tcl
          • Size 39KB
          • SHA256 ae4ee8400174c798337b9c60867cbc94f811b249ebe6dea21ec6f960bcf5f8cb
          • MD5 SHA1 SHA512 SSDEEP TLSH

          panedwindow.tcl

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI30122\_tk_data\panedwindow.tcl
          • Size 5KB
          • SHA256 aa4f87e41ac8297f51150f2a9f787607690d01793456b93f0939c54d394731f9
          • MD5 SHA1 SHA512 SSDEEP TLSH

          pkgIndex.tcl

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI30122\_tk_data\pkgIndex.tcl
          • Size 376B
          • SHA256 6127926b94db2992ab450fc6cc2ec3d071f7bbc856656d0ae20cc3fd4036f547
          • MD5 SHA1 SHA512 TLSH

          scale.tcl

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI30122\_tk_data\scale.tcl
          • Size 8KB
          • SHA256 0747a387fdd1b2c7135eceae7b392ed52e1d1ebf3ffa90febe886dbc0981eb74
          • MD5 SHA1 SHA512 SSDEEP TLSH

          scrlbar.tcl

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI30122\_tk_data\scrlbar.tcl
          • Size 12KB
          • SHA256 eec90404f702d3cfbfaec0f13bf5ed1ebeb736bee12d7e69770181a25401c61f
          • MD5 SHA1 SHA512 SSDEEP TLSH

          spinbox.tcl

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI30122\_tk_data\spinbox.tcl
          • Size 16KB
          • SHA256 747889c3086c917a34554a9dc495bc0c08a03fd3a5828353ed2a64b97f376835
          • MD5 SHA1 SHA512 SSDEEP TLSH

          text.tcl

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI30122\_tk_data\text.tcl
          • Size 34KB
          • SHA256 f7ecc5ae6eb297c79aad5cfc200b29c4e72409641fa369c5cdbba30ae41e982a
          • MD5 SHA1 SHA512 SSDEEP TLSH

          tk.tcl

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI30122\_tk_data\tk.tcl
          • Size 23KB
          • SHA256 b7fd24177b17f67da2ca671f711309c65cf246be1fd0cf4f1ab8f3ea9ca2c3f1
          • MD5 SHA1 SHA512 SSDEEP TLSH

          button.tcl

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI30122\_tk_data\ttk\button.tcl
          • Size 2KB
          • SHA256 e38a9d1f437981aa6bf0bdd074d57b769a4140c0f7d9aff51743fe4ecc6dfddf
          • MD5 SHA1 SHA512 TLSH

          cursors.tcl

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI30122\_tk_data\ttk\cursors.tcl
          • Size 4KB
          • SHA256 5b33f32b0139663347d6cf70a5a838f8e4554e0e881e97c8478b77733162ea73
          • MD5 SHA1 SHA512 SSDEEP TLSH

          fonts.tcl

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI30122\_tk_data\ttk\fonts.tcl
          • Size 5KB
          • SHA256 6574067a91858506460ac44ddf8cf9270e81d67b2feff2a43b4d5f774568a5ec
          • MD5 SHA1 SHA512 SSDEEP TLSH

          menubutton.tcl

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI30122\_tk_data\ttk\menubutton.tcl
          • Size 6KB
          • SHA256 0935fb97b6628f055baeb2e2babbf2a6c8905260e1107972b0e7a1df0752e180
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ttk.tcl

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI30122\_tk_data\ttk\ttk.tcl
          • Size 5KB
          • SHA256 685398e8db93aebbabfed795e91a42a87aa0e2a2cf23bfcffd70fea085a7ad5e
          • MD5 SHA1 SHA512 SSDEEP TLSH

          utils.tcl

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI30122\_tk_data\ttk\utils.tcl
          • Size 8KB
          • SHA256 b9b73e5bcd85c8fe00628332f0ab0c4a0ffbb59f7b4e9d6cdc92762a5bcd8d76
          • MD5 SHA1 SHA512 SSDEEP TLSH

          _tkinter.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI30122\_tkinter.pyd
          • Size 66KB
          • SHA256 ed2f7b2c9984032cfb046923b45bb745f6e819730c086e559777665b45e8390e
          • MD5 SHA1 SHA512 SSDEEP TLSH

          _wmi.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI30122\_wmi.pyd
          • Size 39KB
          • SHA256 a980f1e7a29842bd946863fc2693fbeb555a9dc0f9e1630dfed9a2fcdef3ece2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          base_library.zip

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI30122\base_library.zip
          • Size 1.3MB
          • SHA256 a1b479c61a66731638cfa9a8e1bb24c997f9a8652e85faef593a5f9e1adc9355
          • MD5 SHA1 SHA512 SSDEEP TLSH

          libcrypto-3.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI30122\libcrypto-3.dll
          • Size 5.0MB
          • SHA256 ccfffddcd3defb8d899026298af9af43bc186130f8483d77e97c93233d5f27d7
          • MD5 SHA1 SHA512 SSDEEP TLSH

          libffi-8.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI30122\libffi-8.dll
          • Size 38KB
          • SHA256 eff52743773eb550fcc6ce3efc37c85724502233b6b002a35496d828bd7b280a
          • MD5 SHA1 SHA512 SSDEEP TLSH

          libssl-3.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI30122\libssl-3.dll
          • Size 776KB
          • SHA256 007142039f04d04e0ed607bda53de095e5bc6a8a10d26ecedde94ea7d2d7eefe
          • MD5 SHA1 SHA512 SSDEEP TLSH

          python312.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI30122\python312.dll
          • Size 6.6MB
          • SHA256 9a0e3435aaa680d868150f87ab3e388ad2eebc22f87e036155c7b4eda8cd2120
          • MD5 SHA1 SHA512 SSDEEP TLSH

          select.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI30122\select.pyd
          • Size 32KB
          • SHA256 d4d7181b11db0bd22a6cd5cda6f8583d1f5c77615fd0a6ca33350619d6e0438a
          • MD5 SHA1 SHA512 SSDEEP TLSH

          tcl86t.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI30122\tcl86t.dll
          • Size 1.8MB
          • SHA256 b894e0c9a7d2b56f9f202de5044221cfc0938cbd9ffaca6b6793bba486e28081
          • MD5 SHA1 SHA512 SSDEEP TLSH

          msgcat-1.6.1.tm

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI30122\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\_MEI30122\tk86t.dll
          • Size 1.5MB
          • SHA256 3883976d6270c44cf43b0f4e3b925259a36c42f586680a93dfe6a3fdfb5b4939
          • MD5 SHA1 SHA512 SSDEEP TLSH

          zlib1.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI30122\zlib1.dll
          • Size 144KB
          • SHA256 a3a9487dd7a27be0296731513a5c1d9005bd3acf5861ccbe0aabca3984f51c4f
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/3484-2007-0x00007FFCE8DD0000-0x00007FFCE8DF9000-memory.dmp

          memory/3484-2306-0x00007FFCE8DD0000-0x00007FFCE8DF9000-memory.dmp

          memory/6012-2089-0x00007FFCDEB70000-0x00007FFCDEB99000-memory.dmp

          memory/6012-2303-0x00007FFCDEB70000-0x00007FFCDEB99000-memory.dmp