WwaApi[.]dll | Triage

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General

Target

WwaApi.dll
Size

128KB
MD5

d5285869af0a46b2fb39f69af10225b5
SHA1

47aee7ebd464b47c69ee0330afbc4c579bacc876
SHA256

13c14c79264640ecd3c429deaa56fccf20babcd3427769132f59ae4966df4a8d
SHA512

bf4b769cac8e51a6ffa078700e63baf4fa2e351efa9064de1d49a03f985cc8f6a2d7e6d571958fb2de9c2c9839d9d493e2bdbd7ba1ce873f6a33b817b1bcb2b9
SSDEEP

1536:aHQBzruGG4DOGgh/wVUukkJ+VCWoIcu2wUNG23RI4lsRqfijPUi/CjmFbAkl6f:rz6UDOkJ+VCWohHB7lsRMijsi6jmfAf

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
WwaApi.dll

Files

WwaApi.dll
.dll regsvr32 windows:6 windows x86 arch:x86

05832f199d36a55ccfca88729bf21ddc

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DLL

PDB Paths

WwaApi.pdb

Imports

msvcrt

_amsg_exit
free
malloc
_initterm
_lock
_unlock
__dllonexit
_onexit
_except_handler4_common
_purecall
memcmp
_XcptFilter
memset

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

CoTaskMemAlloc
CoCreateInstance

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

IsErrorPropagationEnabled
RoTransformError
RoOriginateErrorW
RoGetMatchingRestrictedErrorInfo
RoReportFailedDelegate
RoOriginateError

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

WindowsCreateString
WindowsStringHasEmbeddedNull
HSTRING_UserSize
HSTRING_UserMarshal
WindowsIsStringEmpty
WindowsCreateStringReference
WindowsCompareStringOrdinal
WindowsDeleteString
HSTRING_UserUnmarshal
HSTRING_UserFree
WindowsGetStringRawBuffer

api-ms-win-eventing-classicprovider-l1-1-0

GetTraceEnableLevel
GetTraceEnableFlags
RegisterTraceGuidsW
UnregisterTraceGuids
TraceMessage
GetTraceLoggerHandle

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

TerminateProcess
GetCurrentProcessId
GetCurrentThreadId
GetCurrentProcess

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

Sleep
InitializeSRWLock
AcquireSRWLockShared
ReleaseSRWLockExclusive
AcquireSRWLockExclusive
ReleaseSRWLockShared

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

GetSystemTimeAsFileTime
GetTickCount

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

DecodePointer
EncodePointer

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

UnhandledExceptionFilter
SetUnhandledExceptionFilter
RaiseException

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

QueryPerformanceCounter

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

LoadStringW

ntdll

RtlDeleteCriticalSection
RtlFreeHeap
RtlAllocateHeap

rpcrt4

CStdStubBuffer_AddRef
NdrStubCall2
NdrStubForwardingFunction
CStdStubBuffer_Connect
CStdStubBuffer_Invoke
CStdStubBuffer_IsIIDSupported
CStdStubBuffer_Disconnect
CStdStubBuffer_DebugServerRelease
IUnknown_AddRef_Proxy
CStdStubBuffer_QueryInterface
CStdStubBuffer_DebugServerQueryInterface
NdrDllGetClassObject
NdrCStdStubBuffer2_Release
NdrDllCanUnloadNow
IUnknown_Release_Proxy
CStdStubBuffer_CountRefs
NdrOleAllocate
NdrOleFree
IUnknown_QueryInterface_Proxy
NdrCStdStubBuffer_Release
NdrDllUnregisterProxy
NdrDllRegisterProxy

combase

ord21
ord34
ord19
ord15
ord18
ord20
ord9
ord5
ord12
ord10
ord32
ord17
ord6
ord14
ord22
ord7
ord16
ord8
ord2
ord13
ord33
ord11

Exports

Exports

DllCanUnloadNow
DllGetActivationFactory
DllGetClassObject
DllRegisterServer
DllUnregisterServer
GetProxyDllInfo

Sections

.text
Size: 107KB - Virtual size: 107KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.orpc
Size: 1024B - Virtual size: 729B

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

minATL
Size: 512B - Virtual size: 20B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.tls
Size: - Virtual size: 17B

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 1KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 11KB - Virtual size: 10KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

05832f199d36a55ccfca88729bf21ddc

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

msvcrt

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

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

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

api-ms-win-eventing-classicprovider-l1-1-0

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

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

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

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

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

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

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

ntdll

rpcrt4

combase

Exports

Exports

Sections

.text Size: 107KB - Virtual size: 107KB

.orpc Size: 1024B - Virtual size: 729B

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

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

minATL Size: 512B - Virtual size: 20B

.tls Size: - Virtual size: 17B

.rsrc Size: 1KB - Virtual size: 1KB

.reloc Size: 11KB - Virtual size: 10KB

.text
Size: 107KB - Virtual size: 107KB

.orpc
Size: 1024B - Virtual size: 729B

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

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

minATL
Size: 512B - Virtual size: 20B

.tls
Size: - Virtual size: 17B

.rsrc
Size: 1KB - Virtual size: 1KB

.reloc
Size: 11KB - Virtual size: 10KB