b88d5d1e317ef3d7c5b3e610f8c1cb181a29fb28d162b95b2e79af17b6f43394

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General

Target
b88d5d1e317ef3d7c5b3e610f8c1cb181a29fb28d162b95b2e79af17b6f43394
Size 3.2MB
Sample261030-v2s7pafa84
SHA256 b88d5d1e317ef3d7c5b3e610f8c1cb181a29fb28d162b95b2e79af17b6f43394
MD5 65703780e307b5a7136e2ba011947ef2
SHA1 47cab79fd3a5d261c4ab8c7812320ff49fe8e9cf
SHA512 d429f605d65c3457547fa657607b7d32b3121e3241df4be0e66969bb98e56475d7cf55dc0b2250ba441d724e959197847e693fb119931c83fe26a6e95a0555ec
SSDEEP 49152:SK5ApkBqsRqeKdzjA9DbKcM3GHFSanKyyqErPJKUfOkbSICcIFwC0KHL1:S1SC13GoskVbgzFr1
TLSH
T12FF57C13F2D901E8E0AED1788B6A9233EA71BC45CB35B6DF065076251E76EE05B3D321
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
b88d5d1e317ef3d7c5b3e610f8c1cb181a29fb28d162b95b2e79af17b6f43394

File Explorer

b88d5d1e317ef3d7c5b3e610f8c1cb181a29fb28d162b95b2e79af17b6f43394

.exe 3.2MB

b88d5d1e317ef3d7c5b3e610f8c1cb181a29fb28d162b95b2e79af17b6f43394

IMPHASH 4aed450e659fc6e028d4b95354a06311
SHA256 b88d5d1e317ef3d7c5b3e610f8c1cb181a29fb28d162b95b2e79af17b6f43394
MD5 65703780e307b5a7136e2ba011947ef2
SHA1 47cab79fd3a5d261c4ab8c7812320ff49fe8e9cf
SHA512 d429f605d65c3457547fa657607b7d32b3121e3241df4be0e66969bb98e56475d7cf55dc0b2250ba441d724e959197847e693fb119931c83fe26a6e95a0555ec
SSDEEP 49152:SK5ApkBqsRqeKdzjA9DbKcM3GHFSanKyyqErPJKUfOkbSICcIFwC0KHL1:S1SC13GoskVbgzFr1
TLSH
T12FF57C13F2D901E8E0AED1788B6A9233EA71BC45CB35B6DF065076251E76EE05B3D321
MD5 SHA1 SHA512 SSDEEP TLSH

Unsigned PE

Checks for missing Authenticode signature.

Minor OS version

Major OS version

Entry point

1658000

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

os_update_handler.exe.pdb

advapi32

BuildExplicitAccessWithNameW BuildSecurityDescriptorW BuildTrusteeWithSidW CheckTokenMembership ConvertStringSecurityDescriptorToSecurityDescriptorW ConvertStringSidToSidW CreateProcessAsUserW DuplicateTokenEx EqualSid GetLengthSid GetNamedSecurityInfoW GetSecurityDescriptorControl GetSecurityDescriptorDacl GetSecurityDescriptorGroup GetSecurityDescriptorOwner GetSecurityDescriptorSacl GetTokenInformation InitializeAcl InitializeSecurityDescriptor IsValidAcl IsValidSecurityDescriptor IsValidSid OpenProcessToken RegCloseKey RegCreateKeyExW RegDeleteKeyExW RegEnumKeyExW RegOpenKeyExW RegQueryValueExW SetEntriesInAclW SetNamedSecurityInfoW SetSecurityDescriptorDacl SetSecurityInfo

dbghelp

SymCleanup SymFromAddr SymGetLineFromAddr64 SymGetModuleInfo64 SymGetSearchPathW SymInitialize SymSetOptions SymSetSearchPathW

user32

AllowSetForegroundWindow CreateWindowExW DefWindowProcW DestroyWindow DispatchMessageW GetActiveWindow GetMessageW GetQueueStatus KillTimer MsgWaitForMultipleObjectsEx PeekMessageW PostMessageW PostQuitMessage PostThreadMessageW RegisterClassExW SetTimer TranslateMessage UnregisterClassW

kernel32

AcquireSRWLockExclusive AddVectoredExceptionHandler AllocConsole AssignProcessToJobObject AttachConsole CloseHandle CompareStringW CreateDirectoryW CreateEventW CreateFileMappingW CreateFileW CreateIoCompletionPort CreateNamedPipeW CreateProcessW CreateThread DeleteCriticalSection DeleteFileW DeleteProcThreadAttributeList DiscardVirtualMemory DuplicateHandle EncodePointer EnterCriticalSection EnumSystemLocalesW ExitProcess ExpandEnvironmentStringsW FileTimeToSystemTime FindClose FindFirstFileExW FindNextFileW FlsAlloc FlsFree FlsGetValue FlsSetValue FlushFileBuffers FormatMessageA FormatMessageW FreeEnvironmentStringsW FreeLibrary GetACP GetCPInfo GetCommandLineA GetCommandLineW GetComputerNameExW GetConsoleMode GetConsoleOutputCP GetConsoleScreenBufferInfo GetCurrentDirectoryW GetCurrentProcess GetCurrentProcessId GetCurrentThread GetCurrentThreadId GetCurrentThreadStackLimits GetDateFormatW GetDriveTypeW GetEnvironmentStringsW GetEnvironmentVariableW GetExitCodeProcess GetFileAttributesW GetFileInformationByHandle GetFileSizeEx GetFileTime GetFileType GetFullPathNameW GetLastError GetLocalTime GetLocaleInfoW GetLogicalProcessorInformation GetLongPathNameW GetModuleFileNameW GetModuleHandleA GetModuleHandleExW GetModuleHandleW GetNativeSystemInfo GetOEMCP GetProcAddress GetProcessHeap GetProcessId GetProductInfo GetQueuedCompletionStatus GetStartupInfoW GetStdHandle GetStringTypeW GetSystemDirectoryW GetSystemInfo GetSystemTimeAsFileTime GetSystemTimePreciseAsFileTime GetTempPathW GetThreadContext GetThreadId GetThreadPriority GetThreadPriorityBoost GetTickCount GetTimeFormatW GetTimeZoneInformation GetUserDefaultLCID GetUserDefaultLangID GetVersionExW GetWindowsDirectoryW GlobalMemoryStatusEx HeapLock HeapUnlock HeapWalk InitOnceExecuteOnce InitializeConditionVariable InitializeCriticalSection InitializeCriticalSectionEx InitializeProcThreadAttributeList InitializeSListHead InitializeSRWLock InterlockedPushEntrySList IsDebuggerPresent IsProcessorFeaturePresent IsValidCodePage IsValidLocale IsWow64Process K32GetModuleInformation K32QueryWorkingSetEx LCMapStringW LeaveCriticalSection LoadLibraryExA LoadLibraryExW LoadLibraryW LocalFree LockFileEx MapViewOfFile MultiByteToWideChar OpenProcess OutputDebugStringA OutputDebugStringW PeekNamedPipe PostQueuedCompletionStatus QueryPerformanceCounter QueryPerformanceFrequency QueryThreadCycleTime RaiseException ReadConsoleW ReadFile ReleaseSRWLockExclusive RemoveDirectoryW RemoveVectoredExceptionHandler ResetEvent ResumeThread RtlCaptureContext RtlCaptureStackBackTrace RtlLookupFunctionEntry RtlPcToFileHeader RtlUnwind RtlUnwindEx RtlVirtualUnwind SetConsoleCtrlHandler SetConsoleMode SetEndOfFile SetEnvironmentVariableW SetEvent SetFilePointerEx SetHandleInformation SetInformationJobObject SetLastError SetNamedPipeHandleState SetStdHandle SetThreadInformation SetThreadPriority SetThreadPriorityBoost SetUnhandledExceptionFilter Sleep SleepConditionVariableSRW SleepEx SuspendThread SwitchToThread SystemTimeToTzSpecificLocalTime TerminateProcess TlsAlloc TlsFree TlsGetValue TlsSetValue TransactNamedPipe TryAcquireSRWLockExclusive UnhandledExceptionFilter UnlockFileEx UnmapViewOfFile UnregisterWaitEx UpdateProcThreadAttribute VerSetConditionMask VerifyVersionInfoW VirtualAlloc VirtualFree VirtualProtect VirtualQuery WaitForSingleObject WaitNamedPipeW WakeAllConditionVariable WakeConditionVariable WerRegisterRuntimeExceptionModule WideCharToMultiByte WriteConsoleW WriteFile lstrcmpiW

ole32

CoCreateInstance CoInitializeEx CoRegisterInitializeSpy CoRevokeInitializeSpy CoTaskMemFree CoUninitialize StringFromGUID2

ntdll

NtClose NtDeleteKey NtOpenKeyEx NtQueryObject NtQueryValueKey RtlFormatCurrentUserKeyPath RtlFreeUnicodeString RtlGetLastNtStatus RtlInitUnicodeString

oleaut32

SysFreeString

winmm

timeBeginPeriod timeEndPeriod timeGetTime

userenv

CreateEnvironmentBlock DestroyEnvironmentBlock

shell32

CommandLineToArgvW SHGetFolderPathW SHGetKnownFolderPath ShellExecuteExW

version

GetFileVersionInfoSizeW GetFileVersionInfoW VerQueryValueW

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

RoInitialize RoUninitialize

Name

.text

Size

2.6MB

Virtual Size

2.6MB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ

Name

.rdata

Size

355KB

Virtual Size

355KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.data

Size

74KB

Virtual Size

222KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.pdata

Size

82KB

Virtual Size

82KB

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

.tls

Size

1024B

Virtual Size

706B

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

1KB

Virtual Size

1KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

malloc_h

Size

512B

Virtual Size

265B

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ

Name

.rsrc

Size

128KB

Virtual Size

128KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.rsrc

Size

768KB

Virtual Size

772KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

File Explorer

b88d5d1e317ef3d7c5b3e610f8c1cb181a29fb28d162b95b2e79af17b6f43394

advapi32

dbghelp

user32

kernel32

ole32

ntdll

oleaut32

winmm

userenv

shell32

version

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

generic