System_Critical_Update[.]exe

Resubmissions

11/05/2026, 18:51

260511-xhl1dagy2x

11/05/2026, 18:34

260511-w7vs5sgx3w7

Sharing

Copy URL Twitter E-mail

General

Target
System_Critical_Update.exe
Size 6.9MB
Sample260511-xhl1dagy2x
SHA256 15750b483d12484ea7e67f3532e78ee60437922245ef071afbc2a04beca3ef89
MD5 abb3fe328881ecb6712db54339380170
SHA1 776a355352c3632fdd5f90b7f4bf90379ca1e8ff
SHA512 f1a69bb84e112f88e340caaf90ab7c2f334fe3b58e7bff1158c474f53b47e11a3da9170115731dbca0a48461caa047c148836b532f1a7f9f22d974e308df8281
SSDEEP 196608:pCCaXMCHGLLc54i1wN+ijXx5nDasqWQ2dTNUGqli+iITml6M:pCCaXMCHWUj6jx5WsqWxTwbToJ
TLSH
T14A76339463E045F9E5F7803E98A29015EA71B8570775C6DB939C12D21E332E1BE7CF21
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

pyinstaller

Malware Config

Signatures

Detects Pyinstaller 1 IoCs

pyinstaller

resource	yara_rule
sample	pyinstaller

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
System_Critical_Update.exe

File Explorer

System_Critical_Update.exe

.exe 6.9MB
virus.pyc

2KB

System_Critical_Update.exe

IMPHASH dcaf48c1f10b0efa0a4472200f3850ed
SHA256 15750b483d12484ea7e67f3532e78ee60437922245ef071afbc2a04beca3ef89
MD5 abb3fe328881ecb6712db54339380170
SHA1 776a355352c3632fdd5f90b7f4bf90379ca1e8ff
SHA512 f1a69bb84e112f88e340caaf90ab7c2f334fe3b58e7bff1158c474f53b47e11a3da9170115731dbca0a48461caa047c148836b532f1a7f9f22d974e308df8281
SSDEEP 196608:pCCaXMCHGLLc54i1wN+ijXx5nDasqWQ2dTNUGqli+iITml6M:pCCaXMCHWUj6jx5WsqWxTwbToJ
TLSH
T14A76339463E045F9E5F7803E98A29015EA71B8570775C6DB939C12D21E332E1BE7CF21
MD5 SHA1 SHA512 SSDEEP TLSH

windows:6 windows x64 arch:x64

Detects Pyinstaller

pyinstaller
Unsigned PE

Checks for missing Authenticode signature.

Minor OS version

Major OS version

Entry point

57280

Magic Number

523

Subsystem

IMAGE_SUBSYSTEM_WINDOWS_GUI

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE IMAGE_DLLCHARACTERISTICS_NX_COMPAT IMAGE_DLLCHARACTERISTICS_GUARD_CF IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE IMAGE_FILE_LARGE_ADDRESS_AWARE

PDB paths

user32

CreateWindowExW ShutdownBlockReasonCreate MsgWaitForMultipleObjects ShowWindow DestroyWindow RegisterClassW DefWindowProcW PeekMessageW DispatchMessageW TranslateMessage PostMessageW GetMessageW MessageBoxW MessageBoxA SystemParametersInfoW DestroyIcon SetWindowLongPtrW GetWindowLongPtrW GetClientRect InvalidateRect ReleaseDC GetDC DrawTextW GetDialogBaseUnits EndDialog DialogBoxIndirectParamW MoveWindow SendMessageW

comctl32

ord380

kernel32

GetACP IsValidCodePage GetStringTypeW GetFileAttributesExW SetEnvironmentVariableW FlushFileBuffers LCMapStringW CompareStringW VirtualProtect InitializeCriticalSectionEx GetOEMCP GetCPInfo GetLastError FreeLibrary GetProcAddress LoadLibraryExW GetModuleHandleW MulDiv FormatMessageW GetModuleFileNameW SetDllDirectoryW GetEnvironmentStringsW SetErrorMode CreateDirectoryW GetCommandLineW GetEnvironmentVariableW ExpandEnvironmentStringsW DeleteFileW FindClose FindFirstFileW FindNextFileW GetDriveTypeW RemoveDirectoryW GetTempPathW CloseHandle QueryPerformanceCounter QueryPerformanceFrequency WaitForSingleObject Sleep GetCurrentProcess TerminateProcess GetExitCodeProcess CreateProcessW GetStartupInfoW LocalFree SetConsoleCtrlHandler K32EnumProcessModules K32GetModuleFileNameExW CreateFileW FindFirstFileExW GetFinalPathNameByHandleW MultiByteToWideChar WideCharToMultiByte FlsFree FreeEnvironmentStringsW GetProcessHeap GetTimeZoneInformation HeapSize HeapReAlloc WriteConsoleW SetEndOfFile CreateSymbolicLinkW RtlCaptureContext RtlLookupFunctionEntry RtlVirtualUnwind UnhandledExceptionFilter SetUnhandledExceptionFilter IsProcessorFeaturePresent GetCurrentProcessId GetCurrentThreadId GetSystemTimeAsFileTime InitializeSListHead IsDebuggerPresent RtlUnwindEx SetLastError EnterCriticalSection LeaveCriticalSection DeleteCriticalSection InitializeCriticalSectionAndSpinCount TlsAlloc TlsGetValue TlsSetValue TlsFree EncodePointer RaiseException RtlPcToFileHeader GetCommandLineA GetFileInformationByHandle GetFileType PeekNamedPipe SystemTimeToTzSpecificLocalTime FileTimeToSystemTime ReadFile GetFullPathNameW SetStdHandle GetStdHandle WriteFile ExitProcess GetModuleHandleExW HeapFree GetConsoleMode ReadConsoleW SetFilePointerEx GetConsoleOutputCP GetFileSizeEx HeapAlloc GetCurrentDirectoryW FlsAlloc FlsGetValue FlsSetValue

advapi32

OpenProcessToken GetTokenInformation ConvertStringSecurityDescriptorToSecurityDescriptorW ConvertSidToStringSidW

gdi32

SelectObject DeleteObject CreateFontIndirectW

Name

.text

Size

177KB

Virtual Size

177KB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ

Name

.rdata

Size

79KB

Virtual Size

78KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.data

Size

3KB

Virtual Size

20KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.pdata

Size

9KB

Virtual Size

9KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.fptable

Size

512B

Virtual Size

256B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.rsrc

Size

61KB

Virtual Size

61KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.reloc

Size

2KB

Virtual Size

1KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Resubmissions

Sharing

General

Malware Config

Signatures

File Explorer

System_Critical_Update.exe

user32

comctl32

kernel32

advapi32

gdi32

generic

virus.pyc