Analysis

  • user interaction
    yes
  • max time kernel
    599s
  • max time network
    591s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    08/08/2026, 11:29

General

  • Target
    megadupa.exe
  • Size 21.8MB
  • Sample260808-nl22bsel8v
  • SHA256 b63368c5977e77018d488c6076f21b6ce901edbec7c2bff3f0e9aa98dc6a25c8
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Adds policy Run key to start application 2 TTPs 2 IoCs
  • Drops file in Drivers directory 1 IoCs
  • Creates a file in the Startup directory 1 TTPs 2 IoCs

    A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.

  • Loads dropped DLL 36 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Registers new Windows logon scripts automatically executed at logon. 1 TTPs 1 IoCs
  • Adds Run key to start application 2 TTPs 3 IoCs
  • Contacts third-party web service commonly abused for C2 1 TTPs 3 IoCs

    Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

  • Looks up external IP address via web service 1 TTPs 4 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Using powershell.exe command.

  • Executes a command shell one-liner 1 TTPs 1 IoCs

    Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 23 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\megadupa.exe
    "C:\Users\Admin\AppData\Local\Temp\megadupa.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4232
    • C:\Users\Admin\AppData\Local\Temp\megadupa.exe
      "C:\Users\Admin\AppData\Local\Temp\megadupa.exe"
      2⤵
      • Adds policy Run key to start application
      • Drops file in Drivers directory
      • Creates a file in the Startup directory
      • Loads dropped DLL
      • Registers new Windows logon scripts automatically executed at logon.
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:1404
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        powershell -Command "Get-CimInstance -Query \"SELECT CommandLine FROM Win32_Process WHERE Name LIKE '%java%' AND CommandLine LIKE '%accessToken%'\" | Select-Object -ExpandProperty CommandLine"
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:5500
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        powershell -Command -
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:5920
        • C:\Windows\system32\cmd.exe
          C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\kill.bat" "
          4⤵
          • Executes a command shell one-liner
          PID:4216
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k GPSvcGroup
    1⤵
      PID:2896

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          _raw_aes.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI42322\Crypto\Cipher\_raw_aes.pyd
          • Size 34KB
          • SHA256 520b343e44b5633bbc4fdcecc705a7f2eb6e55d082a1f3e4723ada9d7e5ea97d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          _raw_aesni.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI42322\Crypto\Cipher\_raw_aesni.pyd
          • Size 15KB
          • SHA256 3818873f50418cbecde58150e9bffff7372d2c2067fc0b96ffac9482dfddd603
          • MD5 SHA1 SHA512 SSDEEP TLSH

          _raw_des3.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI42322\Crypto\Cipher\_raw_des3.pyd
          • Size 51KB
          • SHA256 b60ce99ebcb7946fa9b66660ce7bba919571e0f1a97fb4c7e8a385d86cfa5c58
          • MD5 SHA1 SHA512 SSDEEP TLSH

          _BLAKE2s.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI42322\Crypto\Hash\_BLAKE2s.pyd
          • Size 13KB
          • SHA256 d1ed1ca3c6802954cd8ca6f5e419c54a357b4a04bb802bab876b04b942a4b862
          • MD5 SHA1 SHA512 SSDEEP TLSH

          _SHA1.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI42322\Crypto\Hash\_SHA1.pyd
          • Size 17KB
          • SHA256 8f80524247c830d9bb590d025e15ec34d7d337a16e5c4422e2da0448d06c88a6
          • MD5 SHA1 SHA512 SSDEEP TLSH

          _SHA256.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI42322\Crypto\Hash\_SHA256.pyd
          • Size 21KB
          • SHA256 2d57abc0274265d2ab891fba840c05a34831f61ab5c21d0540fc43bd28cc5ae3
          • MD5 SHA1 SHA512 SSDEEP TLSH

          _cpuid_c.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI42322\Crypto\Util\_cpuid_c.pyd
          • Size 10KB
          • SHA256 2af984819d9b1f95132520901b355eb85aa24d5efc6fc5ae9e77252ed03b7f4b
          • MD5 SHA1 SHA512 SSDEEP TLSH

          VCRUNTIME140.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI42322\VCRUNTIME140.dll
          • Size 174KB
          • SHA256 d1f4225df2cd877dbf130d5668a021dce3f94118455ff5ec952061c30afc9ce7
          • MD5 SHA1 SHA512 SSDEEP TLSH

          VCRUNTIME140_1.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI42322\VCRUNTIME140_1.dll
          • Size 48KB
          • SHA256 a7146c08f89fe5b04541ab507cdb59ff7b44534d4ba3c668a426c6450a03434e
          • MD5 SHA1 SHA512 SSDEEP TLSH

          _bz2.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI42322\_bz2.pyd
          • Size 86KB
          • SHA256 b938073c85cf6b9fe80556d7899ed1901e5e60b7adea2832442376239fb36b36
          • MD5 SHA1 SHA512 SSDEEP TLSH

          _ctypes.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI42322\_ctypes.pyd
          • Size 139KB
          • SHA256 408cc4e7a22ffa418ca52f5e13fe9268a3c50a2bc9de02b0530b555ef591bc5a
          • MD5 SHA1 SHA512 SSDEEP TLSH

          _hashlib.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI42322\_hashlib.pyd
          • Size 67KB
          • SHA256 5933ef5eda7c0bca0b3874a6e2c5f13b91b8f2cfc29bc46160df3212a1dbee79
          • MD5 SHA1 SHA512 SSDEEP TLSH

          _lzma.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI42322\_lzma.pyd
          • Size 157KB
          • SHA256 d2abf8db7fb0cf6285663b177991691a41b37e215c3d71fd087a98d8ec1bee63
          • MD5 SHA1 SHA512 SSDEEP TLSH

          _queue.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI42322\_queue.pyd
          • Size 35KB
          • SHA256 2fd8668f52b34d0e71ae48784bd2e7d35e5d99df6f641edb0fc279235a187c8e
          • MD5 SHA1 SHA512 SSDEEP TLSH

          _socket.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI42322\_socket.pyd
          • Size 85KB
          • SHA256 02265dd0d0287f3ffd287ea5d8e3c918a5a056e8ef2c4529857f5e84ec9e2519
          • MD5 SHA1 SHA512 SSDEEP TLSH

          _sqlite3.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI42322\_sqlite3.pyd
          • Size 129KB
          • SHA256 ec9694e5929747e93e05bc32427d24350dc4de5074b61a37bc961c3048794a67
          • MD5 SHA1 SHA512 SSDEEP TLSH

          _ssl.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI42322\_ssl.pyd
          • Size 186KB
          • SHA256 4cfb154c7cc525d57020c0e64f2dd876a78b46cd38419446392478de6b7b13b8
          • MD5 SHA1 SHA512 SSDEEP TLSH

          _uuid.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI42322\_uuid.pyd
          • Size 27KB
          • SHA256 fbfd7fe8583b346ba20b174b2510c0830237f5092bdf9fc26da9d6b25b018385
          • MD5 SHA1 SHA512 SSDEEP TLSH

          _wmi.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI42322\_wmi.pyd
          • Size 39KB
          • SHA256 b6fd41f079da0c0054829855360e88b8b762f5c42bb474c2fa02eae367839ad2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          _zstd.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI42322\_zstd.pyd
          • Size 491KB
          • SHA256 33c6eca99470c3eb9d776b617c550ad41b002a668336f062a9ab7be677a7409a
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ada92cb5d92a588d1b93__mypyc.cp314-win_amd64.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI42322\ada92cb5d92a588d1b93__mypyc.cp314-win_amd64.pyd
          • Size 218KB
          • SHA256 3048af5864e17f79410273b3074416d67473eae22b3d7d1b7b58f24a506f82ed
          • MD5 SHA1 SHA512 SSDEEP TLSH

          base_library.zip

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI42322\base_library.zip
          • Size 1.3MB
          • SHA256 3f90b0a813433d03d3bf2cae1890143b79cdccf898884b2f06392ed56c7d7599
          • MD5 SHA1 SHA512 SSDEEP TLSH

          cd.cp314-win_amd64.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI42322\charset_normalizer\cd.cp314-win_amd64.pyd
          • Size 10KB
          • SHA256 032b490f6b42a0928b3cb6e17fd4caf8a6becaaf05739c4fe41267dcf890c278
          • MD5 SHA1 SHA512 SSDEEP TLSH

          libcrypto-3.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI42322\libcrypto-3.dll
          • Size 6.0MB
          • SHA256 53c529145339fb042a3dcd3a09c2d7753204f8b4fc79d99e0d31e69a33985958
          • MD5 SHA1 SHA512 SSDEEP TLSH

          libffi-8.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI42322\libffi-8.dll
          • Size 38KB
          • SHA256 eff52743773eb550fcc6ce3efc37c85724502233b6b002a35496d828bd7b280a
          • MD5 SHA1 SHA512 SSDEEP TLSH

          libssl-3.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI42322\libssl-3.dll
          • Size 1.3MB
          • SHA256 b17a87979862d19241edc4318f967e24c3ec356ed6c2368f561179fab2311001
          • MD5 SHA1 SHA512 SSDEEP TLSH

          python314.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI42322\python314.dll
          • Size 6.5MB
          • SHA256 0f9857ffdfe010fe6b99328d58c2e3c7472ce75f336bf9c2ad9bd5bca3bce700
          • MD5 SHA1 SHA512 SSDEEP TLSH

          pywintypes314.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI42322\pywin32_system32\pywintypes314.dll
          • Size 133KB
          • SHA256 e62808f40462f8066c8d19811cebd15467de6992b1cb48be5f5903910f5395f7
          • MD5 SHA1 SHA512 SSDEEP TLSH

          select.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI42322\select.pyd
          • Size 32KB
          • SHA256 722328e7fad8048057fc966474ba73966d2ceebaa32e7344cce09640ab4dc9bd
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Lorem ipsum.txt

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI42322\setuptools\_vendor\jaraco\text\Lorem ipsum.txt
          • Size 1KB
          • SHA256 37fedcffbf73c4eb9f058f47677cb33203a436ff9390e4d38a8e01c9dad28e0b
          • MD5 SHA1 SHA512 TLSH

          sqlite3.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI42322\sqlite3.dll
          • Size 1.5MB
          • SHA256 9a8fb79d6b7e581d127314028dcecf754b8d7fe4aca1247f82c1f33ee8fccc7e
          • MD5 SHA1 SHA512 SSDEEP TLSH

          unicodedata.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI42322\unicodedata.pyd
          • Size 741KB
          • SHA256 280b09bd97b598d18c0ed9542dc18ed35fa57a16e84f8e65fd9c6e96516c28d6
          • MD5 SHA1 SHA512 SSDEEP TLSH

          win32crypt.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI42322\win32\win32crypt.pyd
          • Size 123KB
          • SHA256 1144670ad8271e4d477167bcb55b8ec38e8ad9f02c6fbfe66024e67083da2131
          • MD5 SHA1 SHA512 SSDEEP TLSH

          __PSScriptPolicyTest_yvxe4n1k.yf5.psm1

          • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_yvxe4n1k.yf5.psm1
          • Size 60B
          • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
          • MD5 SHA1 SHA512 TLSH

          kill.bat

          • Path C:\Users\Admin\AppData\Local\Temp\kill.bat
          • Size 153B
          • SHA256 48657cc43e2a14b086189cbd99ea23697fc12f46fedff85d48c6c13f3f557b30
          • MD5 SHA1 SHA512 TLSH

          memory/5500-461-0x00000250BB6B0000-0x00000250BB6D2000-memory.dmp

          memory/5500-479-0x00000250BBB80000-0x00000250BBBA4000-memory.dmp

          memory/5500-464-0x00007FFEF6300000-0x00007FFEF6CA4000-memory.dmp

          memory/5500-465-0x00007FFEF6300000-0x00007FFEF6CA4000-memory.dmp

          memory/5500-463-0x00007FFEF6300000-0x00007FFEF6CA4000-memory.dmp

          memory/5500-466-0x00007FFEF6300000-0x00007FFEF6CA4000-memory.dmp

          memory/5500-467-0x00007FFEF6300000-0x00007FFEF6CA4000-memory.dmp

          memory/5500-472-0x00000250BB930000-0x00000250BB9E2000-memory.dmp

          memory/5500-474-0x00007FFEF6300000-0x00007FFEF6CA4000-memory.dmp

          memory/5500-475-0x00007FFEF6300000-0x00007FFEF6CA4000-memory.dmp

          memory/5500-477-0x00007FFEF6300000-0x00007FFEF6CA4000-memory.dmp

          memory/5500-462-0x00007FFEF6300000-0x00007FFEF6CA4000-memory.dmp

          memory/5500-480-0x00007FFEF6300000-0x00007FFEF6CA4000-memory.dmp

          memory/5500-478-0x00000250BBB80000-0x00000250BBBAA000-memory.dmp

          memory/5500-476-0x00000250BB9F0000-0x00000250BB9FA000-memory.dmp

          memory/5500-481-0x00007FFEF6300000-0x00007FFEF6CA4000-memory.dmp

          memory/5500-473-0x00007FFEF6300000-0x00007FFEF6CA4000-memory.dmp

          memory/5500-482-0x00007FFEF6300000-0x00007FFEF6CA4000-memory.dmp

          memory/5500-484-0x00007FFEF6300000-0x00007FFEF6CA4000-memory.dmp

          memory/5500-471-0x00000250BB910000-0x00000250BB92E000-memory.dmp

          memory/5500-468-0x00007FFEF6300000-0x00007FFEF6CA4000-memory.dmp

          memory/5500-458-0x00007FFEF6300000-0x00007FFEF6CA4000-memory.dmp

          memory/5500-457-0x00007FFEF648F000-0x00007FFEF6490000-memory.dmp

          memory/5920-489-0x000001FE7E7D0000-0x000001FE7E818000-memory.dmp