Analysis

  • max time kernel
    149s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260618-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260618-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    28/06/2026, 09:28

General

  • Target
    KentangOptimizerV9.2.exe
  • Size 13.5MB
  • Sample260628-lfrx3agt2w
  • SHA256 d2e226f4c82bc2e38200b59fd17d7e5431434d59d61d85cc04c090dc05bbdec7
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10

Malware Config

Signatures

  • Loads dropped DLL 20 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 42 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\KentangOptimizerV9.2.exe
    "C:\Users\Admin\AppData\Local\Temp\KentangOptimizerV9.2.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2620
    • C:\Users\Admin\AppData\Local\Temp\KentangOptimizerV9.2.exe
      C:\Users\Admin\AppData\Local\Temp\KentangOptimizerV9.2.exe
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:4548
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c "vol C:"
        3⤵
          PID:5804
        • C:\Windows\System32\Wbem\wmic.exe
          wmic cpu get ProcessorId /value
          3⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:4456
        • C:\Windows\system32\cmd.exe
          C:\Windows\system32\cmd.exe /c "ver"
          3⤵
            PID:5764

      Network

            MITRE ATT&CK Matrix

            Replay Monitor

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            Downloads

            VCRUNTIME140_1.dll

            • Path C:\Users\Admin\AppData\Local\Temp\ONEFIL~1\VCRUNTIME140_1.dll
            • Size 48KB
            • SHA256 a113f192195f245f17389e6ecbed8005990bcb2476ddad33f7c4c6c86327afe5
            • MD5 SHA1 SHA512 SSDEEP TLSH

            KentangOptimizerV9.dll

            • Path C:\Users\Admin\AppData\Local\Temp\onefile_2620_675356_9IOCCZiu1-E\KentangOptimizerV9.dll
            • Size 30.4MB
            • SHA256 b306f3f67fdc1e73b90cd6dd07649a80da4ce638cacd183d7af8b52d27359991
            • MD5 SHA1 SHA512 SSDEEP TLSH

            VCRUNTIME140.dll

            • Path C:\Users\Admin\AppData\Local\Temp\onefile_2620_675356_9IOCCZiu1-E\VCRUNTIME140.dll
            • Size 116KB
            • SHA256 4d292623516f65c80482081e62d5dadb759dc16e851de5db24c3cbb57b87db83
            • MD5 SHA1 SHA512 SSDEEP TLSH

            _bz2.pyd

            • Path C:\Users\Admin\AppData\Local\Temp\onefile_2620_675356_9IOCCZiu1-E\_bz2.pyd
            • Size 82KB
            • SHA256 00b8ca9a338d2b47285c9e56d6d893db2a999b47216756f18439997fb80a56e3
            • MD5 SHA1 SHA512 SSDEEP TLSH

            _ctypes.pyd

            • Path C:\Users\Admin\AppData\Local\Temp\onefile_2620_675356_9IOCCZiu1-E\_ctypes.pyd
            • Size 121KB
            • SHA256 c148292328f0aab7863af82f54f613961e7cb95b7215f7a81cafaf45bd4c42b7
            • MD5 SHA1 SHA512 SSDEEP TLSH

            _hashlib.pyd

            • Path C:\Users\Admin\AppData\Local\Temp\onefile_2620_675356_9IOCCZiu1-E\_hashlib.pyd
            • Size 63KB
            • SHA256 87dd0c858620287454fd6d31d52b6a48eddbb2a08e09e8b2d9fdb0b92200d766
            • MD5 SHA1 SHA512 SSDEEP TLSH

            _lzma.pyd

            • Path C:\Users\Admin\AppData\Local\Temp\onefile_2620_675356_9IOCCZiu1-E\_lzma.pyd
            • Size 155KB
            • SHA256 f5e01b516c2c23035f7703e23569dec26c5616c05a929b2580ae474a5c6722c5
            • MD5 SHA1 SHA512 SSDEEP TLSH

            _socket.pyd

            • Path C:\Users\Admin\AppData\Local\Temp\onefile_2620_675356_9IOCCZiu1-E\_socket.pyd
            • Size 77KB
            • SHA256 a19e3c7c03ef1b5625790b1c9c42594909311ab6df540fbf43c6aa93300ab166
            • MD5 SHA1 SHA512 SSDEEP TLSH

            _tkinter.pyd

            • Path C:\Users\Admin\AppData\Local\Temp\onefile_2620_675356_9IOCCZiu1-E\_tkinter.pyd
            • Size 62KB
            • SHA256 6f7bdc2f60a1795b58ec7015ec262d6b234aa8d0f022185de0f52bac4adab449
            • MD5 SHA1 SHA512 SSDEEP TLSH

            _win32sysloader.pyd

            • Path C:\Users\Admin\AppData\Local\Temp\onefile_2620_675356_9IOCCZiu1-E\_win32sysloader.pyd
            • Size 15KB
            • SHA256 8ad2e21cd1a627fa36f082ce0b71f81c91f9d3825908a520072245a2545e1be1
            • MD5 SHA1 SHA512 SSDEEP TLSH

            libcrypto-3.dll

            • Path C:\Users\Admin\AppData\Local\Temp\onefile_2620_675356_9IOCCZiu1-E\libcrypto-3.dll
            • Size 5.0MB
            • SHA256 05fe080eab7fc535c51e10c1bd76a2f3e6217f9c91a25034774588881c3f99de
            • MD5 SHA1 SHA512 SSDEEP TLSH

            libffi-8.dll

            • Path C:\Users\Admin\AppData\Local\Temp\onefile_2620_675356_9IOCCZiu1-E\libffi-8.dll
            • Size 38KB
            • SHA256 eff52743773eb550fcc6ce3efc37c85724502233b6b002a35496d828bd7b280a
            • MD5 SHA1 SHA512 SSDEEP TLSH

            python311.dll

            • Path C:\Users\Admin\AppData\Local\Temp\onefile_2620_675356_9IOCCZiu1-E\python311.dll
            • Size 5.5MB
            • SHA256 0817a2a657a24c0d5fbb60df56960f42fc66b3039d522ec952dab83e2d869364
            • MD5 SHA1 SHA512 SSDEEP TLSH

            pythoncom311.dll

            • Path C:\Users\Admin\AppData\Local\Temp\onefile_2620_675356_9IOCCZiu1-E\pythoncom311.dll
            • Size 665KB
            • SHA256 f20794876cd77d37d893512bdd8f2112bb791e134ebf2697c9034fa32eb93c11
            • MD5 SHA1 SHA512 SSDEEP TLSH

            pywintypes311.dll

            • Path C:\Users\Admin\AppData\Local\Temp\onefile_2620_675356_9IOCCZiu1-E\pywintypes311.dll
            • Size 132KB
            • SHA256 dcc14a7ed85a324e357eab7db970d8db61387c8b5d6baa23283aabd8300c4e09
            • MD5 SHA1 SHA512 SSDEEP TLSH

            select.pyd

            • Path C:\Users\Admin\AppData\Local\Temp\onefile_2620_675356_9IOCCZiu1-E\select.pyd
            • Size 29KB
            • SHA256 bae0974390945520eb99ab32486c6a964691f8f4a028ac408d98fa8fb0db7d90
            • MD5 SHA1 SHA512 SSDEEP TLSH

            tcl86t.dll

            • Path C:\Users\Admin\AppData\Local\Temp\onefile_2620_675356_9IOCCZiu1-E\tcl86t.dll
            • Size 1.8MB
            • SHA256 4e699ff2d6d147d0586c8c77be5a18f20ca0758f432d7b0f489223f2fa4dd221
            • MD5 SHA1 SHA512 SSDEEP TLSH

            msgcat-1.6.1.tm

            • Path C:\Users\Admin\AppData\Local\Temp\onefile_2620_675356_9IOCCZiu1-E\tcl8\8.5\msgcat-1.6.1.tm
            • Size 34KB
            • SHA256 6774519f179872ec5292523f2788b77b2b839e15665037e097a0d4edddd1c6fb
            • MD5 SHA1 SHA512 SSDEEP TLSH

            auto.tcl

            • Path C:\Users\Admin\AppData\Local\Temp\onefile_2620_675356_9IOCCZiu1-E\tcl\auto.tcl
            • Size 21KB
            • SHA256 517204ee436d08efc287abc97433c3bffcaf42ec6592a3009b9fd3b985ad772c
            • MD5 SHA1 SHA512 SSDEEP TLSH

            cp1252.enc

            • Path C:\Users\Admin\AppData\Local\Temp\onefile_2620_675356_9IOCCZiu1-E\tcl\encoding\cp1252.enc
            • Size 1KB
            • SHA256 741859cf238c3a63bbb20ec6ed51e46451372bb221cfff438297d261d0561c2e
            • MD5 SHA1 SHA512 TLSH

            pkgIndex.tcl

            • Path C:\Users\Admin\AppData\Local\Temp\onefile_2620_675356_9IOCCZiu1-E\tcl\http1.0\pkgIndex.tcl
            • Size 746B
            • SHA256 77265723959c092897c2449c5b7768ca72d0efcd8c505bddbb7a84f6aa401339
            • MD5 SHA1 SHA512 TLSH

            init.tcl

            • Path C:\Users\Admin\AppData\Local\Temp\onefile_2620_675356_9IOCCZiu1-E\tcl\init.tcl
            • Size 25KB
            • SHA256 331bcf0f9f635bd57c3384f2237260d074708b0975c700cfcbdb285f5f59ab1f
            • MD5 SHA1 SHA512 SSDEEP TLSH

            pkgIndex.tcl

            • Path C:\Users\Admin\AppData\Local\Temp\onefile_2620_675356_9IOCCZiu1-E\tcl\opt0.4\pkgIndex.tcl
            • Size 620B
            • SHA256 6a4abd2c519a745325c26fb23be7bbf95252d653a24806eb37fd4aa6a6479afe
            • MD5 SHA1 SHA512 TLSH

            package.tcl

            • Path C:\Users\Admin\AppData\Local\Temp\onefile_2620_675356_9IOCCZiu1-E\tcl\package.tcl
            • Size 23KB
            • SHA256 f46ab61cdebe3aa45fa7e61a48930d64a0d0e7e94d04d6bf244f48c36cafe948
            • MD5 SHA1 SHA512 SSDEEP TLSH

            tclIndex

            • Path C:\Users\Admin\AppData\Local\Temp\onefile_2620_675356_9IOCCZiu1-E\tcl\tclIndex
            • Size 5KB
            • SHA256 ddf7e42def37888ad0a564aa4f8ca95f4eec942cebebfca851d35515104d5c89
            • MD5 SHA1 SHA512 SSDEEP TLSH

            tm.tcl

            • Path C:\Users\Admin\AppData\Local\Temp\onefile_2620_675356_9IOCCZiu1-E\tcl\tm.tcl
            • Size 11KB
            • SHA256 4b7ed9fd2363d6876092db3f720cbddf97e72b86b519403539ba96e1c815ed8f
            • MD5 SHA1 SHA512 SSDEEP TLSH

            tk86t.dll

            • Path C:\Users\Admin\AppData\Local\Temp\onefile_2620_675356_9IOCCZiu1-E\tk86t.dll
            • Size 1.5MB
            • SHA256 b6af038120f2b8644c7ce1e11917f410009848287622135d7e386f90d28a831c
            • MD5 SHA1 SHA512 SSDEEP TLSH

            button.tcl

            • Path C:\Users\Admin\AppData\Local\Temp\onefile_2620_675356_9IOCCZiu1-E\tk\button.tcl
            • Size 21KB
            • SHA256 1f5dd8d81b26f16e772e92fd2a22accb785004d0ed3447e54f87005d9c6a07a5
            • MD5 SHA1 SHA512 SSDEEP TLSH

            entry.tcl

            • Path C:\Users\Admin\AppData\Local\Temp\onefile_2620_675356_9IOCCZiu1-E\tk\entry.tcl
            • Size 17KB
            • SHA256 af1de90270693273b52fc735da6b5cd5ca794f5afd4cf03ffd95147161098048
            • MD5 SHA1 SHA512 SSDEEP TLSH

            icons.tcl

            • Path C:\Users\Admin\AppData\Local\Temp\onefile_2620_675356_9IOCCZiu1-E\tk\icons.tcl
            • Size 10KB
            • SHA256 1264940e62b9a37967925418e9d0dc0befd369e8c181b9bab3d1607e3cc14b85
            • MD5 SHA1 SHA512 SSDEEP TLSH

            listbox.tcl

            • Path C:\Users\Admin\AppData\Local\Temp\onefile_2620_675356_9IOCCZiu1-E\tk\listbox.tcl
            • Size 14KB
            • SHA256 47c75f9f8348bf8f2c086c57b97b73741218100ca38d10b8abdf2051c95b9801
            • MD5 SHA1 SHA512 SSDEEP TLSH

            menu.tcl

            • Path C:\Users\Admin\AppData\Local\Temp\onefile_2620_675356_9IOCCZiu1-E\tk\menu.tcl
            • Size 38KB
            • SHA256 d1283f67e435aab0bdbe9fdaa540a162043f8d652c02fe79f3843a451f123d89
            • MD5 SHA1 SHA512 SSDEEP TLSH

            panedwindow.tcl

            • Path C:\Users\Admin\AppData\Local\Temp\onefile_2620_675356_9IOCCZiu1-E\tk\panedwindow.tcl
            • Size 5KB
            • SHA256 aa4f87e41ac8297f51150f2a9f787607690d01793456b93f0939c54d394731f9
            • MD5 SHA1 SHA512 SSDEEP TLSH

            pkgIndex.tcl

            • Path C:\Users\Admin\AppData\Local\Temp\onefile_2620_675356_9IOCCZiu1-E\tk\pkgIndex.tcl
            • Size 376B
            • SHA256 3f2539e85e2a9017913e61fe2600b499315e1a6f249a4ff90e0b530a1eeb8898
            • MD5 SHA1 SHA512 TLSH

            scale.tcl

            • Path C:\Users\Admin\AppData\Local\Temp\onefile_2620_675356_9IOCCZiu1-E\tk\scale.tcl
            • Size 7KB
            • SHA256 0da2dc955ffd71062a21c3b747d9d59d66a5b09a907b9ed220be1b2342205a05
            • MD5 SHA1 SHA512 SSDEEP TLSH

            scrlbar.tcl

            • Path C:\Users\Admin\AppData\Local\Temp\onefile_2620_675356_9IOCCZiu1-E\tk\scrlbar.tcl
            • Size 12KB
            • SHA256 eec90404f702d3cfbfaec0f13bf5ed1ebeb736bee12d7e69770181a25401c61f
            • MD5 SHA1 SHA512 SSDEEP TLSH

            spinbox.tcl

            • Path C:\Users\Admin\AppData\Local\Temp\onefile_2620_675356_9IOCCZiu1-E\tk\spinbox.tcl
            • Size 16KB
            • SHA256 2ff791a44406dc8339c7da6116e6ec92289bee5fc1367d378f48094f4abea277
            • MD5 SHA1 SHA512 SSDEEP TLSH

            text.tcl

            • Path C:\Users\Admin\AppData\Local\Temp\onefile_2620_675356_9IOCCZiu1-E\tk\text.tcl
            • Size 34KB
            • SHA256 4a42ad370e0cd93d4133b49788c0b0e1c7cd78383e88bacb51cb751e8bfda15e
            • MD5 SHA1 SHA512 SSDEEP TLSH

            tk.tcl

            • Path C:\Users\Admin\AppData\Local\Temp\onefile_2620_675356_9IOCCZiu1-E\tk\tk.tcl
            • Size 23KB
            • SHA256 0f617d96cbf213296d7a5f7fcffbb4ae1149840d7d045211ef932e8dd66683e9
            • MD5 SHA1 SHA512 SSDEEP TLSH

            cursors.tcl

            • Path C:\Users\Admin\AppData\Local\Temp\onefile_2620_675356_9IOCCZiu1-E\tk\ttk\cursors.tcl
            • Size 4KB
            • SHA256 7a2ed9d78fabcafff16694f2f4a2e36ff5aa313f912d6e93484f3bcd0466ad91
            • MD5 SHA1 SHA512 SSDEEP TLSH

            fonts.tcl

            • Path C:\Users\Admin\AppData\Local\Temp\onefile_2620_675356_9IOCCZiu1-E\tk\ttk\fonts.tcl
            • Size 5KB
            • SHA256 b94c319e5a557a5665b1676d602b6495c0887c5bacf7fa5b776200112978bb7b
            • MD5 SHA1 SHA512 SSDEEP TLSH

            ttk.tcl

            • Path C:\Users\Admin\AppData\Local\Temp\onefile_2620_675356_9IOCCZiu1-E\tk\ttk\ttk.tcl
            • Size 4KB
            • SHA256 2c48343b1a47f472d1a6b9ee8d670ce7fb428db0db7244dc323ff4c7a8b4f64b
            • MD5 SHA1 SHA512 SSDEEP TLSH

            win32api.pyd

            • Path C:\Users\Admin\AppData\Local\Temp\onefile_2620_675356_9IOCCZiu1-E\win32api.pyd
            • Size 135KB
            • SHA256 cd9ec02d502dc1548233aa2efe9fcbf47e4677b28c169553f36194a50f55ff28
            • MD5 SHA1 SHA512 SSDEEP TLSH

            win32event.pyd

            • Path C:\Users\Admin\AppData\Local\Temp\onefile_2620_675356_9IOCCZiu1-E\win32event.pyd
            • Size 29KB
            • SHA256 cd1572c89951ec38ec413b68084ae5fdfba7951f67cf74223dea977964fbafd1
            • MD5 SHA1 SHA512 SSDEEP TLSH

            memory/2620-1023-0x00007FF6655E0000-0x00007FF66638C000-memory.dmp

            memory/4548-1024-0x00007FF6655E0000-0x00007FF66638C000-memory.dmp

            memory/4548-1025-0x00007FFA2B800000-0x00007FFA2D6DF000-memory.dmp