f8b2fa49209f9d27136a9eeec575f45b818625d1c783e18dc46e484f44e11c7b

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General

Target
f8b2fa49209f9d27136a9eeec575f45b818625d1c783e18dc46e484f44e11c7b
Size 1.4MB
Sample260706-py1vgaft61
SHA256 f8b2fa49209f9d27136a9eeec575f45b818625d1c783e18dc46e484f44e11c7b
MD5 b212cf5a4a104e7ab439d9eb06b0f38e
SHA1 bbf5f03ef8ea3cef37865b2a5c604f347bed0acc
SHA512 ab05c586d6d4def99d18ab5e30a995851108b8651bb990413d695c0ba69bdf19e03091d93710a42ede42361ec6d37f2e193e67a4f267f212d78a2d80a10e9a1b
SSDEEP 24576:lWdm3ueJlWb/FNEiIx9RKZHgp5KmQ9+5k6U8:8dm3GEiIjRG1mQ866B
TLSH
T12E657C13B2E940E8E0BED174CB664526EAB27C520B34A6DF0690B2291E77FE45F3D711
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
f8b2fa49209f9d27136a9eeec575f45b818625d1c783e18dc46e484f44e11c7b

File Explorer

f8b2fa49209f9d27136a9eeec575f45b818625d1c783e18dc46e484f44e11c7b

.exe 1.4MB

f8b2fa49209f9d27136a9eeec575f45b818625d1c783e18dc46e484f44e11c7b

IMPHASH 03fe38a293a8b7082b998add5d66e673
SHA256 f8b2fa49209f9d27136a9eeec575f45b818625d1c783e18dc46e484f44e11c7b
MD5 b212cf5a4a104e7ab439d9eb06b0f38e
SHA1 bbf5f03ef8ea3cef37865b2a5c604f347bed0acc
SHA512 ab05c586d6d4def99d18ab5e30a995851108b8651bb990413d695c0ba69bdf19e03091d93710a42ede42361ec6d37f2e193e67a4f267f212d78a2d80a10e9a1b
SSDEEP 24576:lWdm3ueJlWb/FNEiIx9RKZHgp5KmQ9+5k6U8:8dm3GEiIjRG1mQ866B
TLSH
T12E657C13B2E940E8E0BED174CB664526EAB27C520B34A6DF0690B2291E77FE45F3D711
MD5 SHA1 SHA512 SSDEEP TLSH

Unsigned PE

Checks for missing Authenticode signature.

Minor OS version

Major OS version

Entry point

607728

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

C:\b\s\w\ir\cache\builder\src\out\Release_x64\os_update_handler.exe.pdb

advapi32

BuildExplicitAccessWithNameW BuildSecurityDescriptorW BuildTrusteeWithSidW ConvertStringSecurityDescriptorToSecurityDescriptorW ConvertStringSidToSidW GetLengthSid GetNamedSecurityInfoW GetSecurityDescriptorControl GetSecurityDescriptorDacl GetSecurityDescriptorGroup GetSecurityDescriptorOwner GetSecurityDescriptorSacl IsValidAcl IsValidSecurityDescriptor IsValidSid RegCloseKey RegCreateKeyExW RegDeleteKeyExW RegEnumKeyExW RegOpenKeyExW RegQueryValueExW SetEntriesInAclW SetNamedSecurityInfoW SetSecurityInfo

user32

DispatchMessageW GetMessageW PostThreadMessageW TranslateMessage

kernel32

AcquireSRWLockExclusive AddVectoredExceptionHandler CloseHandle CompareStringW CreateDirectoryW CreateEventW CreateFileW CreateNamedPipeW CreateProcessW CreateThread DeleteCriticalSection DeleteFileW EncodePointer EnterCriticalSection EnumSystemLocalesW ExitProcess ExpandEnvironmentStringsW FileTimeToSystemTime FindClose FindFirstFileExW FindNextFileW FlsAlloc FlsFree FlsGetValue FlsSetValue FlushFileBuffers FormatMessageW FreeEnvironmentStringsW FreeLibrary GetACP GetCPInfo GetCommandLineA GetCommandLineW GetComputerNameExW GetConsoleMode GetConsoleOutputCP GetCurrentDirectoryW GetCurrentProcess GetCurrentProcessId GetCurrentThread GetCurrentThreadId GetDateFormatW GetDriveTypeW GetEnvironmentStringsW GetEnvironmentVariableW GetFileAttributesW GetFileInformationByHandle GetFileSizeEx GetFileTime GetFileType GetFullPathNameW GetLastError GetLocalTime GetLocaleInfoW GetLongPathNameW GetModuleFileNameW GetModuleHandleA GetModuleHandleExW GetModuleHandleW GetNativeSystemInfo GetOEMCP GetProcAddress GetProcessHeap GetProductInfo GetStartupInfoW GetStdHandle GetStringTypeW GetSystemDirectoryW GetSystemInfo GetSystemTimeAsFileTime GetTempPathW GetThreadPriority GetTickCount GetTimeFormatW GetTimeZoneInformation GetUserDefaultLCID GetUserDefaultLangID GetVersionExW GetWindowsDirectoryW InitOnceExecuteOnce InitializeCriticalSection InitializeCriticalSectionAndSpinCount InitializeSListHead InterlockedPushEntrySList IsDebuggerPresent IsProcessorFeaturePresent IsValidCodePage IsValidLocale IsWow64Process LCMapStringW LeaveCriticalSection LoadLibraryExA LoadLibraryExW LoadLibraryW LocalFree LockFileEx MultiByteToWideChar OpenProcess OutputDebugStringA OutputDebugStringW PeekNamedPipe QueryPerformanceCounter QueryPerformanceFrequency QueryThreadCycleTime RaiseException ReadConsoleW ReadFile ReleaseSRWLockExclusive RemoveDirectoryW RemoveVectoredExceptionHandler RtlCaptureContext RtlCaptureStackBackTrace RtlLookupFunctionEntry RtlPcToFileHeader RtlUnwind RtlUnwindEx RtlVirtualUnwind SetConsoleCtrlHandler SetEndOfFile SetEnvironmentVariableW SetEvent SetFilePointerEx SetLastError SetNamedPipeHandleState SetStdHandle SetThreadInformation SetThreadPriority SetUnhandledExceptionFilter Sleep SleepConditionVariableSRW SleepEx SwitchToThread SystemTimeToFileTime SystemTimeToTzSpecificLocalTime TerminateProcess TlsAlloc TlsFree TlsGetValue TlsSetValue TransactNamedPipe TryAcquireSRWLockExclusive TzSpecificLocalTimeToSystemTime UnhandledExceptionFilter UnlockFileEx UnregisterWaitEx VerSetConditionMask VerifyVersionInfoW VirtualAlloc VirtualFree VirtualProtect VirtualQuery WaitForSingleObject WaitNamedPipeW WakeAllConditionVariable WakeConditionVariable WerRegisterRuntimeExceptionModule WideCharToMultiByte WriteConsoleW WriteFile lstrcmpiW

ole32

CoCreateInstance CoInitializeEx CoRegisterInitializeSpy CoRevokeInitializeSpy CoTaskMemFree CoUninitialize StringFromGUID2

oleaut32

SysFreeString

ntdll

NtClose NtDeleteKey NtOpenKeyEx NtQueryValueKey RtlFormatCurrentUserKeyPath RtlFreeUnicodeString RtlInitUnicodeString

winmm

timeGetTime

shell32

CommandLineToArgvW ord680 SHGetFolderPathW SHGetKnownFolderPath

version

GetFileVersionInfoSizeW GetFileVersionInfoW VerQueryValueW

api-ms-win-core-winrt-l1-1-0

RoUninitialize

Name

.text

Size

1.0MB

Virtual Size

1.0MB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ

Name

.rdata

Size

201KB

Virtual Size

200KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.data

Size

60KB

Virtual Size

101KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.pdata

Size

38KB

Virtual Size

37KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.gxfg

Size

12KB

Virtual Size

11KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.retplne

Size

512B

Virtual Size

140B

Characteristics

Name

.tls

Size

512B

Virtual Size

378B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

CPADinfo

Size

512B

Virtual Size

56B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

LZMADEC

Size

4KB

Virtual Size

4KB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ

Name

_RDATA

Size

512B

Virtual Size

500B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.rsrc

Size

61KB

Virtual Size

61KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.reloc

Size

6KB

Virtual Size

5KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

File Explorer

f8b2fa49209f9d27136a9eeec575f45b818625d1c783e18dc46e484f44e11c7b

advapi32

user32

kernel32

ole32

oleaut32

ntdll

winmm

shell32

version

api-ms-win-core-winrt-l1-1-0

generic