Resubmissions

23/10/2026, 07:59

261023-jvjtwsxsbv8

23/10/2026, 07:57

261023-jtkd2axsbs8

23/10/2026, 07:51

261023-jp2gra1t2j8

Analysis

  • user interaction
    yes
  • max time kernel
    26s
  • max time network
    28s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260911-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    23/10/2026, 07:57

General

  • Target
    ub.exe
  • Size 21.9MB
  • Sample261023-jtkd2axsbs
  • SHA256 5482a7982a110f26bb97671f60548aac05c4bd7dae2ff8608f5ac2510ef231f4
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Modifies Windows Firewall 2 TTPs 6 IoCs
  • Loads dropped DLL 24 IoCs
  • Hide Artifacts: Hidden Files and Directories 1 TTPs 5 IoCs
  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 18 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

  • Executes a command shell one-liner 1 TTPs 7 IoCs

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

  • Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs

    The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs
  • Views/modifies file attributes 1 TTPs 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ub.exe
    "C:\Users\Admin\AppData\Local\Temp\ub.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3976
    • C:\Users\Admin\AppData\Local\Temp\ub.exe
      C:\Users\Admin\AppData\Local\Temp\ub.exe
      2⤵
      • Loads dropped DLL
      • Reads the TCP/IP host and domain name from the registry
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:768
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c netsh advfirewall reset > nul 2>&1
        3⤵
        • Executes a command shell one-liner
        • Suspicious use of WriteProcessMemory
        PID:4896
        • C:\Windows\system32\netsh.exe
          netsh advfirewall reset
          4⤵
          • Modifies Windows Firewall
          • Event Triggered Execution: Netsh Helper DLL
          PID:3284
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c netsh advfirewall set allprofiles state on > nul 2>&1
        3⤵
        • Executes a command shell one-liner
        • Suspicious use of WriteProcessMemory
        PID:1472
        • C:\Windows\system32\netsh.exe
          netsh advfirewall set allprofiles state on
          4⤵
          • Modifies Windows Firewall
          • Event Triggered Execution: Netsh Helper DLL
          PID:1036
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c netsh advfirewall set currentprofile firewallpolicy blockinbound,allowoutbound > nul 2>&1
        3⤵
        • Executes a command shell one-liner
        • Suspicious use of WriteProcessMemory
        PID:4176
        • C:\Windows\system32\netsh.exe
          netsh advfirewall set currentprofile firewallpolicy blockinbound,allowoutbound
          4⤵
          • Modifies Windows Firewall
          • Event Triggered Execution: Netsh Helper DLL
          PID:1508
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c netsh advfirewall set domainprofile firewallpolicy blockinbound,allowoutbound > nul 2>&1
        3⤵
        • Executes a command shell one-liner
        • Suspicious use of WriteProcessMemory
        PID:1912
        • C:\Windows\system32\netsh.exe
          netsh advfirewall set domainprofile firewallpolicy blockinbound,allowoutbound
          4⤵
          • Modifies Windows Firewall
          • Event Triggered Execution: Netsh Helper DLL
          PID:3140
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c netsh advfirewall set privateprofile firewallpolicy blockinbound,allowoutbound > nul 2>&1
        3⤵
        • Executes a command shell one-liner
        • Suspicious use of WriteProcessMemory
        PID:4704
        • C:\Windows\system32\netsh.exe
          netsh advfirewall set privateprofile firewallpolicy blockinbound,allowoutbound
          4⤵
          • Modifies Windows Firewall
          • Event Triggered Execution: Netsh Helper DLL
          PID:2292
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c netsh advfirewall set publicprofile firewallpolicy blockinbound,allowoutbound > nul 2>&1
        3⤵
        • Executes a command shell one-liner
        • Suspicious use of WriteProcessMemory
        PID:1948
        • C:\Windows\system32\netsh.exe
          netsh advfirewall set publicprofile firewallpolicy blockinbound,allowoutbound
          4⤵
          • Modifies Windows Firewall
          • Event Triggered Execution: Netsh Helper DLL
          PID:3820
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c "attrib +h +s "C:\ProgramData\tax_3454323325033.exe""
        3⤵
        • Hide Artifacts: Hidden Files and Directories
        • Suspicious use of WriteProcessMemory
        PID:3516
        • C:\Windows\system32\attrib.exe
          attrib +h +s "C:\ProgramData\tax_3454323325033.exe"
          4⤵
          • Views/modifies file attributes
          PID:3824
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c "attrib +h +s "C:\ProgramData\BK_034595985.exe""
        3⤵
        • Hide Artifacts: Hidden Files and Directories
        • Suspicious use of WriteProcessMemory
        PID:4132
        • C:\Windows\system32\attrib.exe
          attrib +h +s "C:\ProgramData\BK_034595985.exe"
          4⤵
          • Views/modifies file attributes
          PID:1512
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c "attrib +h +s "C:\ProgramData\run.exe""
        3⤵
        • Hide Artifacts: Hidden Files and Directories
        • Suspicious use of WriteProcessMemory
        PID:3524
        • C:\Windows\system32\attrib.exe
          attrib +h +s "C:\ProgramData\run.exe"
          4⤵
          • Views/modifies file attributes
          PID:868
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c "attrib +h +s "C:\ProgramData\vgc.exe""
        3⤵
        • Hide Artifacts: Hidden Files and Directories
        • Suspicious use of WriteProcessMemory
        PID:1916
        • C:\Windows\system32\attrib.exe
          attrib +h +s "C:\ProgramData\vgc.exe"
          4⤵
          • Views/modifies file attributes
          PID:924
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c "attrib +h +s "C:\ProgramData\setup.exe""
        3⤵
        • Hide Artifacts: Hidden Files and Directories
        • Suspicious use of WriteProcessMemory
        PID:4292
        • C:\Windows\system32\attrib.exe
          attrib +h +s "C:\ProgramData\setup.exe"
          4⤵
          • Views/modifies file attributes
          PID:860
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c "ver"
        3⤵
        • Executes a command shell one-liner
        PID:4644

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        BK_034595985.exe

        • Path C:\ProgramData\BK_034595985.exe
        • Size 18KB
        • SHA256 dd8c7c214cf6b0573677ec25d60a1ac28199524d9640ee1e57fb9009498b07f2
        • MD5 SHA1 SHA512 SSDEEP TLSH

        run.exe

        • Path C:\ProgramData\run.exe
        • Size 31.8MB
        • SHA256 070f62c18daff8d4fde5a306c37520f820352abeb13624b0f8f0f02de9e5da7d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        tax_3454323325033.exe

        • Path C:\ProgramData\tax_3454323325033.exe
        • Size 34KB
        • SHA256 00df4156ea8ad14218483b068dae399e70b28e81ac69002dd3813b35fa07ae0a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        vgc.exe

        • Path C:\ProgramData\vgc.exe
        • Size 17KB
        • SHA256 4cb1225c1e7db80b2724b073694fb9a98193b1760652008d9eb8ce30aee7a509
        • MD5 SHA1 SHA512 SSDEEP TLSH

        81d243bd2c585b0f4821__mypyc.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\onefile_3976_599023_rPpppP-IrHk\81d243bd2c585b0f4821__mypyc.pyd
        • Size 211KB
        • SHA256 89b688b3848e196de02a444c72cfc25bb3efebaba84a28469ac1e7f5738e0564
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _bz2.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\onefile_3976_599023_rPpppP-IrHk\_bz2.pyd
        • Size 81KB
        • SHA256 5843872d5e2b08f138a71fe9ba94813afee59c8b48166d4a8eb0f606107a7e80
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _cffi_backend.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\onefile_3976_599023_rPpppP-IrHk\_cffi_backend.pyd
        • Size 174KB
        • SHA256 8100f667a3f64eeb37b9326d0c53a931e0ea3cea4ade5dbdc638c368355c0948
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _ctypes.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\onefile_3976_599023_rPpppP-IrHk\_ctypes.pyd
        • Size 120KB
        • SHA256 e662d2b35bb48c5f3432bde79c0d20313238af800968ba0faa6ea7e7e5ef4535
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _hashlib.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\onefile_3976_599023_rPpppP-IrHk\_hashlib.pyd
        • Size 62KB
        • SHA256 39bc615842a176db72d4e0558f3cdcae23ab0623ad132f815d21dcfbfd4b110e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _lzma.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\onefile_3976_599023_rPpppP-IrHk\_lzma.pyd
        • Size 154KB
        • SHA256 613de58e4a9a80eff8f8bc45c350a6eaebf89f85ffd2d7e3b0b266bf0888a60a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _queue.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\onefile_3976_599023_rPpppP-IrHk\_queue.pyd
        • Size 30KB
        • SHA256 2f71046891ba279b00b70eb031fe90b379dbe84559cf49ce5d1297ea6bf47a78
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _socket.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\onefile_3976_599023_rPpppP-IrHk\_socket.pyd
        • Size 76KB
        • SHA256 39715ef8d043354f0ab15f62878530a38518fb6192bc48da6a098498e8d35769
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _ssl.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\onefile_3976_599023_rPpppP-IrHk\_ssl.pyd
        • Size 155KB
        • SHA256 cb42e8598e3fa53eeebf63f2af1730b9ec64614bda276ab2cd1f1c196b3d7e32
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _uuid.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\onefile_3976_599023_rPpppP-IrHk\_uuid.pyd
        • Size 23KB
        • SHA256 f7f57807c15c21c5aa9818edf3993d0b94aef8af5808e1ad86a98637fc499d44
        • MD5 SHA1 SHA512 SSDEEP TLSH

        cacert.pem

        • Path C:\Users\Admin\AppData\Local\Temp\onefile_3976_599023_rPpppP-IrHk\certifi\cacert.pem
        • Size 233KB
        • SHA256 16be3f6feb15408195dcfe3aa1a75ef9db72f646b96ebbefdc68f56255f799f8
        • MD5 SHA1 SHA512 SSDEEP TLSH

        cd.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\onefile_3976_599023_rPpppP-IrHk\charset_normalizer\cd.pyd
        • Size 10KB
        • SHA256 45a9cb1664e2e26ea183d34652869a6a7183b0b2018e151da1e3c88213e8bc8c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ClrLoader.dll

        • Path C:\Users\Admin\AppData\Local\Temp\onefile_3976_599023_rPpppP-IrHk\clr_loader\ffi\dlls\amd64\ClrLoader.dll
        • Size 10KB
        • SHA256 e6cb8b51dbd5d5b5548696e6ddf17875af73b8abd99ca1572d32b1df98028591
        • MD5 SHA1 SHA512 SSDEEP TLSH

        libcrypto-1_1.dll

        • Path C:\Users\Admin\AppData\Local\Temp\onefile_3976_599023_rPpppP-IrHk\libcrypto-1_1.dll
        • Size 3.3MB
        • SHA256 976ce72efd0a8aeeb6e21ad441aa9138434314ea07f777432205947cdb149541
        • MD5 SHA1 SHA512 SSDEEP TLSH

        libffi-8.dll

        • Path C:\Users\Admin\AppData\Local\Temp\onefile_3976_599023_rPpppP-IrHk\libffi-8.dll
        • Size 34KB
        • SHA256 128a583e821e52b595eb4b3dda17697d3ca456ee72945f7ecce48ededad0e93c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        libssl-1_1.dll

        • Path C:\Users\Admin\AppData\Local\Temp\onefile_3976_599023_rPpppP-IrHk\libssl-1_1.dll
        • Size 686KB
        • SHA256 2aebb73530d21a2273692a5a3d57235b770daf1c35f60c74e01754a5dac05071
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _psutil_windows.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\onefile_3976_599023_rPpppP-IrHk\psutil\_psutil_windows.pyd
        • Size 69KB
        • SHA256 0035450801bd7d938e9e146c5ec28e619cb5a5f4a18cdc53ac7e9734c7f94f78
        • MD5 SHA1 SHA512 SSDEEP TLSH

        python3.dll

        • Path C:\Users\Admin\AppData\Local\Temp\onefile_3976_599023_rPpppP-IrHk\python3.dll
        • Size 64KB
        • SHA256 4055d1b9e553b78c244143ab6b48151604003b39a9bf54879dee9175455c1281
        • MD5 SHA1 SHA512 SSDEEP TLSH

        python311.dll

        • Path C:\Users\Admin\AppData\Local\Temp\onefile_3976_599023_rPpppP-IrHk\python311.dll
        • Size 5.5MB
        • SHA256 a0cf640e756875c25c12b4a38ba5f2772e8e512036e2ac59eb8567bf05ffbfb7
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Python.Runtime.dll

        • Path C:\Users\Admin\AppData\Local\Temp\onefile_3976_599023_rPpppP-IrHk\pythonnet\runtime\Python.Runtime.dll
        • Size 439KB
        • SHA256 d204ad74dc18cd07320c8e665bd32ec6549b555ce97e61e4d3cf88437a64988e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        select.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\onefile_3976_599023_rPpppP-IrHk\select.pyd
        • Size 28KB
        • SHA256 0046eb32f873cde62cf29af02687b1dd43154e9fd10e0aa3d8353d3debb38790
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ub.dll

        • Path C:\Users\Admin\AppData\Local\Temp\onefile_3976_599023_rPpppP-IrHk\ub.dll
        • Size 24.0MB
        • SHA256 fb1e9e1816b65d7fb3b6374c933aeeb63e4529aa4c112b2a4270614fa4c161d4
        • MD5 SHA1 SHA512 SSDEEP TLSH

        unicodedata.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\onefile_3976_599023_rPpppP-IrHk\unicodedata.pyd
        • Size 1.1MB
        • SHA256 ecf7836aa0d36b5880eb6f799ec402b1f2e999f78bfff6fb9a942d1d8d0b9baa
        • MD5 SHA1 SHA512 SSDEEP TLSH

        vcruntime140.dll

        • Path C:\Users\Admin\AppData\Local\Temp\onefile_3976_599023_rPpppP-IrHk\vcruntime140.dll
        • Size 96KB
        • SHA256 d66c3b47091ceb3f8d3cc165a43d285ae919211a0c0fcb74491ee574d8d464f8
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/768-126-0x00007FFD440F0000-0x00007FFD440FA000-memory.dmp

        memory/768-125-0x000001F979B40000-0x000001F979B4A000-memory.dmp

        memory/768-128-0x000001F979BF0000-0x000001F979C64000-memory.dmp

        memory/768-129-0x000001F979C10000-0x000001F979C2A000-memory.dmp