sO7owIyUKFh5z[.]exe

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General

Target
sO7owIyUKFh5z.exe
Size 1.5MB
Sample260625-e1h3bsht9q
SHA256 554498d567510eb22da861a223f8a38edfe7891d0ea4f0ccc8f89a0a0aeea194
MD5 1d8727e0972b62fc38f2c30099c61747
SHA1 90f66d1b6dde447928a60aaa2750c727f14afff2
SHA512 f9792c68b6a230537747b74d544e5589d39d6ff8a84c4edae0375901f3e8c474a05f2983be6096e3375bdcc825f1ad2fd479b9ba1a5cf9198ea2c3df8cbaca85
SSDEEP 24576:nRSfrAEH9XIYpj0BEHBoXPGfjuIb1iN1Eob4lxMoRd:ngTbH94YxV3218T
TLSH
T1CD655A15A6A441B8E0A29578CB5EC933E7767CC60F70968F02D47DA73F33250BA297D2
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

Malware Config

Signatures

Contains code to disable Windows Defender 1 IoCs

A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.

resource	yara_rule
sample	disable_win_def

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
sO7owIyUKFh5z.exe

File Explorer

sO7owIyUKFh5z.exe

.exe 1.5MB

sO7owIyUKFh5z.exe

IMPHASH 2057790ae7855765d51bdc4142e62f9c
SHA256 554498d567510eb22da861a223f8a38edfe7891d0ea4f0ccc8f89a0a0aeea194
MD5 1d8727e0972b62fc38f2c30099c61747
SHA1 90f66d1b6dde447928a60aaa2750c727f14afff2
SHA512 f9792c68b6a230537747b74d544e5589d39d6ff8a84c4edae0375901f3e8c474a05f2983be6096e3375bdcc825f1ad2fd479b9ba1a5cf9198ea2c3df8cbaca85
SSDEEP 24576:nRSfrAEH9XIYpj0BEHBoXPGfjuIb1iN1Eob4lxMoRd:ngTbH94YxV3218T
TLSH
T1CD655A15A6A441B8E0A29578CB5EC933E7767CC60F70968F02D47DA73F33250BA297D2
MD5 SHA1 SHA512 SSDEEP TLSH

windows:6 windows x64 arch:x64

Contains code to disable Windows Defender

A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.
Unsigned PE

Checks for missing Authenticode signature.

Minor OS version

Major OS version

Entry point

212224

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

D:\Projects\WinRAR\SFX\build\sfxrar64\Release\sfxrar.pdb

kernel32

CreateFileW ReadFile WriteFile CloseHandle GetLastError ConnectNamedPipe DisconnectNamedPipe PeekNamedPipe CreateNamedPipeW WaitNamedPipeW GetOverlappedResult WaitForSingleObject CreateEventW SetLastError LocalFree FormatMessageW DeleteFileW RemoveDirectoryW SetFileTime DeviceIoControl CreateHardLinkW GetLongPathNameW GetShortPathNameW MoveFileW GetStdHandle FlushFileBuffers GetFileType SetEndOfFile SetFilePointer CreateDirectoryW GetFileAttributesW SetFileAttributesW GetCurrentProcessId FindClose FindFirstFileW FindNextFileW GetVersionExW SetCurrentDirectoryW GetCurrentDirectoryW GetFullPathNameW GetModuleFileNameW FoldStringW GetModuleHandleW FindResourceW FreeLibrary GetProcAddress ExpandEnvironmentStringsW Sleep GetCurrentProcess ExitProcess GetSystemDirectoryW LoadLibraryW SetThreadExecutionState CompareStringW AllocConsole FreeConsole AttachConsole WriteConsoleW InitializeCriticalSection EnterCriticalSection LeaveCriticalSection DeleteCriticalSection SetEvent ResetEvent ReleaseSemaphore CreateSemaphoreW CreateThread SetThreadPriority GetProcessAffinityMask GetSystemTime SystemTimeToTzSpecificLocalTime FileTimeToSystemTime SystemTimeToFileTime MultiByteToWideChar WideCharToMultiByte GetCPInfo IsDBCSLeadByte GlobalAlloc GlobalMemoryStatusEx LoadResource LockResource SizeofResource GlobalUnlock GlobalLock GlobalFree GetDateFormatW GetTimeFormatW GetCommandLineW SetEnvironmentVariableW GetTempPathW GetExitCodeProcess GetLocalTime GetTickCount MoveFileExW GetLocaleInfoW GetNumberFormatW GetConsoleMode GetConsoleOutputCP HeapSize SetFilePointerEx GetStringTypeW SetStdHandle GetProcessHeap LCMapStringW InitializeCriticalSectionEx RaiseException GetSystemInfo VirtualProtect VirtualQuery LoadLibraryExA RtlCaptureContext RtlLookupFunctionEntry RtlVirtualUnwind UnhandledExceptionFilter SetUnhandledExceptionFilter TerminateProcess IsProcessorFeaturePresent ReleaseSRWLockExclusive AcquireSRWLockExclusive WakeAllConditionVariable SleepConditionVariableSRW IsDebuggerPresent GetStartupInfoW QueryPerformanceCounter GetCurrentThreadId GetSystemTimeAsFileTime InitializeSListHead RtlPcToFileHeader RtlUnwindEx EncodePointer InitializeCriticalSectionAndSpinCount TlsAlloc TlsGetValue TlsSetValue TlsFree LoadLibraryExW QueryPerformanceFrequency GetModuleHandleExW HeapFree HeapAlloc HeapReAlloc FindFirstFileExW IsValidCodePage GetACP GetOEMCP GetCommandLineA GetEnvironmentStringsW FreeEnvironmentStringsW FlsAlloc FlsGetValue FlsSetValue FlsFree

oleaut32

SysAllocString SysFreeString

gdiplus

GdipCloneImage GdipFree GdipDisposeImage GdipCreateBitmapFromStream GdipCreateHBITMAPFromBitmap GdiplusStartup GdiplusShutdown GdipAlloc

Name

.text

Size

306KB

Virtual Size

305KB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ

Name

.rdata

Size

85KB

Virtual Size

84KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.data

Size

7KB

Virtual Size

57KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.pdata

Size

13KB

Virtual Size

12KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.didat

Size

1024B

Virtual Size

864B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.fptable

Size

512B

Virtual Size

256B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.rsrc

Size

310KB

Virtual Size

309KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.reloc

Size

2KB

Virtual Size

2KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

File Explorer

sO7owIyUKFh5z.exe

kernel32

oleaut32

gdiplus

generic