AcWinRT[.]dll | Triage

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General

Target

AcWinRT.dll
Size

67KB
MD5

eb845d9853d097a5713393490aa79d60
SHA1

010ee017f4f7c90123ca147f6ac080370cc2352c
SHA256

d027acefd9232b899eb12a21998d077db7a8edac3d0d2c2aff6788a6a1c7c8d0
SHA512

f64cde7eef79d8ff8ae73ad73d589e68cc58e870d29b40bedaed461fb80b58109b35bbcdaaf50642395f9e44f26f1a95754e9c9db9f886454367b9c9c52ba8a2
SSDEEP

1536:vTAKTIuT0c0FNlTPglkvq9qXqXqXq6Pfvqaq6z0pFMON7oz/mXuqR+6ciOK7oh/Q:vX+c9ddHexr8gwHStYdi

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
AcWinRT.dll

Files

AcWinRT.dll
.dll windows:10 windows x86 arch:x86

1f0bf92e23daa9de4cad856c30eddba6

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_GUARD_CF

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DLL

PDB Paths

AcWinRT.pdb

Imports

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

MultiByteToWideChar
WideCharToMultiByte
GetStringTypeW
CompareStringOrdinal

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

PropVariantClear
CoUninitialize
CoTaskMemFree
CoInitializeEx
CoCreateInstance

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

QuirkIsEnabled

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

WindowsDeleteString
WindowsCreateString
WindowsCreateStringReference
WindowsGetStringLen
WindowsGetStringRawBuffer

api-ms-win-core-heap-l2-1-0

LocalFree
LocalAlloc

api-ms-win-core-libraryloader-l1-2-1

LoadLibraryA
LoadLibraryW

api-ms-win-core-libraryloader-l1-2-0

LoadLibraryExW
GetModuleHandleW
AddDllDirectory
GetModuleFileNameA
GetModuleFileNameW
GetProcAddress

api-ms-win-core-synch-l1-2-0

InitOnceExecuteOnce
Sleep

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

GetSystemTimeAsFileTime
GetTickCount
GetSystemInfo
GetWindowsDirectoryW
GetVersionExW

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

ExpandEnvironmentStringsA
GetEnvironmentVariableW
GetCommandLineA
GetEnvironmentStringsW
GetStdHandle
FreeEnvironmentStringsW

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

GetLastError
SetLastError
SetUnhandledExceptionFilter
UnhandledExceptionFilter

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

GetFileType
WriteFile
GetFileAttributesW

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

ExitProcess
TlsFree
TlsSetValue
GetStartupInfoW
TlsGetValue
TlsAlloc
GetCurrentThreadId
GetCurrentProcessId
GetCurrentProcess
TerminateProcess

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

HeapFree
HeapAlloc
HeapDestroy
HeapCreate
HeapReAlloc

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

VirtualProtect
VirtualAlloc
VirtualQuery
VirtualFree

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

LeaveCriticalSection
DeleteCriticalSection
EnterCriticalSection
InitializeCriticalSectionAndSpinCount

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

QueryPerformanceCounter

api-ms-win-core-localization-l1-2-0

GetCPInfo
LCMapStringW
IsValidCodePage
GetACP
GetOEMCP

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

OutputDebugStringA

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

RtlUnwind

apphelp

SE_COM_AddServer
SE_COM_AddHook
SE_GetShimId
SE_COM_Lookup
SE_WINRT_HookObject
SE_WINRT_AddHook

mmdevapi

ord5

ntdll

NtQueryKey
DbgPrint

Exports

Exports

GetHookAPIs
NotifyShims

Sections

.text
Size: 55KB - Virtual size: 54KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 2KB - Virtual size: 7KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.idata
Size: 4KB - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 1024B - Virtual size: 1024B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 3KB - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

1f0bf92e23daa9de4cad856c30eddba6

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

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

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

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

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

api-ms-win-core-heap-l2-1-0

api-ms-win-core-libraryloader-l1-2-1

api-ms-win-core-libraryloader-l1-2-0

api-ms-win-core-synch-l1-2-0

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

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

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

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

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

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

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

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

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

api-ms-win-core-localization-l1-2-0

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

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

apphelp

mmdevapi

ntdll

Exports

Exports

Sections

.text Size: 55KB - Virtual size: 54KB

.data Size: 2KB - Virtual size: 7KB

.idata Size: 4KB - Virtual size: 3KB

.rsrc Size: 1024B - Virtual size: 1024B

.reloc Size: 3KB - Virtual size: 3KB

.text
Size: 55KB - Virtual size: 54KB

.data
Size: 2KB - Virtual size: 7KB

.idata
Size: 4KB - Virtual size: 3KB

.rsrc
Size: 1024B - Virtual size: 1024B

.reloc
Size: 3KB - Virtual size: 3KB