wuapihost[.]exe

Sharing

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General

Target

wuapihost.exe
Size

48KB
MD5

6a80769d539f9f1700e099823047c7ae
SHA1

6dfb6abd00efe2ceb4150125fc6b7572b5afb125
SHA256

dda68865c50b623790cb47e09c92bfc293c0da8bc7e00ed90cb484220f3a3c09
SHA512

ebae9881de5e7ebdd9988db9184fddde68f4fd474d3e721868601454ad757513b80749af6d418dc676bd3c6b7da493fae8c269c5b29ab71977dc4eba1237eef9
SSDEEP

1536:698ph5d9l7MomNilgN+Tj5S/GWwAR03IWMmNZPzzB:x/9TmNwYWM0Z79

Score

1^/10

Malware Config

Signatures

Files

wuapihost.exe
.exe windows x64

8808084b0e43197e1e5c526dda650d03

Code Sign

33:00:00:03:3c:89:c6:6a:7b:45:bb:1f:bd:00:00:00:00:03:3c
Certificate

Issuer

CN=Microsoft Windows Production PCA 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

02/09/2021, 18:23

Not After

01/09/2022, 18:23

Subject

CN=Microsoft Windows,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

61:07:76:56:00:00:00:00:00:08
Certificate

Issuer

CN=Microsoft Root Certificate Authority 2010,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

19/10/2011, 18:41

Not After

19/10/2026, 18:51

Subject

CN=Microsoft Windows Production PCA 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

20:18:80:8a:eb:10:70:94:b7:ef:73:a9:77:c7:86:bd:da:c5:5a:ff:91:d4:e6:37:a8:85:35:54:96:25:2c:f3
Signer

Actual PE Digest

20:18:80:8a:eb:10:70:94:b7:ef:73:a9:77:c7:86:bd:da:c5:5a:ff:91:d4:e6:37:a8:85:35:54:96:25:2c:f3

Digest Algorithm

sha256

PE Digest Matches

true

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_FORCE_INTEGRITY
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_GUARD_CF
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE

Imports

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

CoGetClassObject
CoRevokeClassObject
CoWaitForMultipleHandles
CoUninitialize
CoFreeUnusedLibraries
CoRegisterClassObject
CoInitializeEx

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

IsThreadpoolTimerSet
SetThreadpoolTimer
CloseThreadpoolTimer
CreateThreadpoolTimer
WaitForThreadpoolTimerCallbacks

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

CreateEventW
DeleteCriticalSection
SetEvent
InitializeCriticalSectionAndSpinCount

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

RaiseException
UnhandledExceptionFilter
GetLastError
SetLastError
SetUnhandledExceptionFilter

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

CloseHandle

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

HeapSetInformation

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

GetProcAddress
GetModuleHandleW
LoadLibraryExW
FreeLibrary

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

RtlVirtualUnwind
RtlUnwindEx
RtlPcToFileHeader
RtlCaptureContext
RtlLookupFunctionEntry

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

EncodePointer

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

TlsAlloc
TlsGetValue
TlsSetValue
GetStartupInfoW
TerminateProcess
GetCurrentProcess
TlsFree
GetCurrentThreadId
GetCurrentProcessId

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

InitializeSListHead

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

QueryPerformanceCounter

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

GetSystemTimeAsFileTime

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

IsDebuggerPresent

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

IsProcessorFeaturePresent

api-ms-win-crt-runtime-l1-1-0

_set_app_type
_seh_filter_exe
_configure_wide_argv
_initialize_wide_environment
_get_wide_winmain_command_line
_initterm
_initterm_e
exit
_exit
_cexit
_c_exit
_register_thread_local_exe_atexit_callback
_crt_atexit
abort
_initialize_onexit_table
_register_onexit_function
terminate

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

free
_set_new_mode
malloc
calloc

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

strcpy_s
wcsncmp

api-ms-win-crt-stdio-l1-1-0

_set_fmode
__p__commode

api-ms-win-crt-math-l1-1-0

__setusermatherr

api-ms-win-crt-locale-l1-1-0

_configthreadlocale

Sections

.text
Size: 22KB - Virtual size: 21KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 12KB - Virtual size: 11KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 512B - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

_RDATA
Size: 512B - Virtual size: 384B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 512B - Virtual size: 324B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

8808084b0e43197e1e5c526dda650d03

Code Sign

33:00:00:03:3c:89:c6:6a:7b:45:bb:1f:bd:00:00:00:00:03:3cCertificate

Extended Key Usages

61:07:76:56:00:00:00:00:00:08Certificate

Key Usages

20:18:80:8a:eb:10:70:94:b7:ef:73:a9:77:c7:86:bd:da:c5:5a:ff:91:d4:e6:37:a8:85:35:54:96:25:2c:f3Signer

Headers

DLL Characteristics

File Characteristics

Imports

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

api-ms-win-crt-runtime-l1-1-0

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

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

api-ms-win-crt-stdio-l1-1-0

api-ms-win-crt-math-l1-1-0

api-ms-win-crt-locale-l1-1-0

Sections

.text Size: 22KB - Virtual size: 21KB

.rdata Size: 12KB - Virtual size: 11KB

.data Size: 512B - Virtual size: 2KB

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

_RDATA Size: 512B - Virtual size: 384B

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

.reloc Size: 512B - Virtual size: 324B

33:00:00:03:3c:89:c6:6a:7b:45:bb:1f:bd:00:00:00:00:03:3c
Certificate

61:07:76:56:00:00:00:00:00:08
Certificate

20:18:80:8a:eb:10:70:94:b7:ef:73:a9:77:c7:86:bd:da:c5:5a:ff:91:d4:e6:37:a8:85:35:54:96:25:2c:f3
Signer

.text
Size: 22KB - Virtual size: 21KB

.rdata
Size: 12KB - Virtual size: 11KB

.data
Size: 512B - Virtual size: 2KB

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

_RDATA
Size: 512B - Virtual size: 384B

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

.reloc
Size: 512B - Virtual size: 324B