b65fba1e8cdfc581ddc6fab98d5128054269fb9e74bf4ad24f93c17da2ea4498

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General

Target
b65fba1e8cdfc581ddc6fab98d5128054269fb9e74bf4ad24f93c17da2ea4498
Size 1.6MB
Sample260527-j7yhtag14p
SHA256 b65fba1e8cdfc581ddc6fab98d5128054269fb9e74bf4ad24f93c17da2ea4498
MD5 426189a72e14a0f4b5d911da3514f0a6
SHA1 7299db962087d556a203328da4abdcb6810fdce7
SHA512 2ed963ffcbb565ad958ca38a0adb733693696a0bea19ecc548fa919b7d1514fbbe16d31b236cc1dc0ae51dfa550b3d0a6174604a6fc1b65ea2719380e36cd619
SSDEEP 24576:u4HDK7ddpRuqKuCa+9RKZHgp5KmQ9+5k6U8J+YFzkJRFg:7HDK7iuCaCRG1mQ866BJ+YKXFg
TLSH
T18C759D13B2E940E8E0BED574CB664526EAB27C420B34A6DF0690B2291E77FE45F3D711
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
b65fba1e8cdfc581ddc6fab98d5128054269fb9e74bf4ad24f93c17da2ea4498

File Explorer

b65fba1e8cdfc581ddc6fab98d5128054269fb9e74bf4ad24f93c17da2ea4498

.exe 1.6MB

b65fba1e8cdfc581ddc6fab98d5128054269fb9e74bf4ad24f93c17da2ea4498

IMPHASH 03fe38a293a8b7082b998add5d66e673
SHA256 b65fba1e8cdfc581ddc6fab98d5128054269fb9e74bf4ad24f93c17da2ea4498
MD5 426189a72e14a0f4b5d911da3514f0a6
SHA1 7299db962087d556a203328da4abdcb6810fdce7
SHA512 2ed963ffcbb565ad958ca38a0adb733693696a0bea19ecc548fa919b7d1514fbbe16d31b236cc1dc0ae51dfa550b3d0a6174604a6fc1b65ea2719380e36cd619
SSDEEP 24576:u4HDK7ddpRuqKuCa+9RKZHgp5KmQ9+5k6U8J+YFzkJRFg:7HDK7iuCaCRG1mQ866BJ+YKXFg
TLSH
T18C759D13B2E940E8E0BED574CB664526EAB27C420B34A6DF0690B2291E77FE45F3D711
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

b65fba1e8cdfc581ddc6fab98d5128054269fb9e74bf4ad24f93c17da2ea4498

advapi32

user32

kernel32

ole32

oleaut32

ntdll

winmm

shell32

version

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

generic