taskhostw[.]exe

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General

Target

taskhostw.exe
Size

95KB
MD5

a00bf82660835224cd6606a248321c5d
SHA1

9b77e09375790ea1ea0a9ca9fc1d69e8e32fe597
SHA256

e63709209d09bc0247e785f075ddb28a98c348206109e2b8ba321ad958402728
SHA512

adc650f91ab3b8a6139d2d5c53df167c71f8569e13461704427843ddd50124d8d237f74833f8e1c1870147c4888d3cf8b164b0afd6a362eded747fd3445e2d17
SSDEEP

1536:P1Z0SQDDm9RvXcpHyxlLfE3q3WcuPKKDbNg+YfOqrgaKKnOX1+3PjqzNrl:NqSqkXcJyxlLfE3MuP9Ng+Yf3gaKKOlT

Score

1^/10

Malware Config

Signatures

Files

taskhostw.exe
.exe windows x64

3a0c6863cde566af997db2defff9d924

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

56:e0:ef:c1:33:7a:3f:b4:a4:32:bd:1e:71:08:9c:24:f3:34:f0:35:cd:03:9f:a9:05:ef:75:ff:9b:7b:3d:91
Signer

Actual PE Digest

56:e0:ef:c1:33:7a:3f:b4:a4:32:bd:1e:71:08:9c:24:f3:34:f0:35:cd:03:9f:a9:05:ef:75:ff:9b:7b:3d:91

Digest Algorithm

sha256

PE Digest Matches

true

Signature Validations

Trusted

false

Verification

Signing Certificate

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

09/03/2023, 18:59
Valid: false

Headers

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

Imports

msvcrt

_callnewh
_purecall
calloc
wcsstr
??0exception@@QEAA@AEBQEBD@Z
memmove_s
??0exception@@QEAA@AEBQEBDH@Z
memcpy_s
_XcptFilter
free
??0exception@@QEAA@AEBV0@@Z
_onexit
__dllonexit
_unlock
_lock
?terminate@@YAXXZ
_commode
malloc
_fmode
_wcmdln
__C_specific_handler
_initterm
__setusermatherr
_cexit
??1type_info@@UEAA@XZ
_exit
__CxxFrameHandler3
??3@YAXPEAX@Z
exit
__set_app_type
__wgetmainargs
memmove
memcpy
_CxxThrowException
_amsg_exit
?what@exception@@UEBAPEBDXZ
??1exception@@UEAA@XZ
memset

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

HeapFree
GetProcessHeap
HeapSize
HeapAlloc
HeapDestroy
HeapReAlloc

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

RegisterTraceGuidsW
TraceMessage
GetTraceEnableLevel
GetTraceLoggerHandle
GetTraceEnableFlags
UnregisterTraceGuids

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

EventRegister
EventSetInformation

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

SetUnhandledExceptionFilter
GetLastError
UnhandledExceptionFilter

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

Sleep

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

SetProcessShutdownParameters
TerminateProcess
GetCurrentProcess
GetCurrentProcessId
GetExitCodeThread
GetThreadPriority
SetThreadPriority
CreateThread
GetStartupInfoW
GetCurrentThread
GetCurrentThreadId

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

GetModuleHandleW
LoadStringW

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

QueryPerformanceCounter

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

GetTickCount
GetSystemTimeAsFileTime

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

RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind

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

ApiSetQueryApiSetPresence

rpcrt4

Ndr64AsyncClientCall
NdrClientCall3
RpcAsyncCancelCall
RpcAsyncInitializeHandle
RpcStringFreeW
RpcBindingSetAuthInfoExW
RpcAsyncCompleteCall
RpcStringBindingComposeW
RpcBindingFromStringBindingW
RpcBindingFree

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

CoUninitialize
CoEnableCallCancellation
CoInitializeEx
CoDisableCallCancellation
CoCancelCall
CoCreateInstance
CoInitializeSecurity

api-ms-win-security-base-l1-1-0

SetSecurityDescriptorGroup
GetSecurityDescriptorGroup
GetSidLengthRequired
SetSecurityDescriptorOwner
GetSecurityDescriptorOwner
InitializeSid
GetSidSubAuthority
CopySid
FreeSid
GetAclInformation
CreateWellKnownSid
InitializeSecurityDescriptor
MakeAbsoluteSD
GetSecurityDescriptorControl
AllocateAndInitializeSid
GetSecurityDescriptorSacl
SetSecurityDescriptorDacl
AddAce
InitializeAcl
GetLengthSid
IsValidSid
GetSecurityDescriptorDacl

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

ResetEvent
CreateEventW
DeleteCriticalSection
InitializeCriticalSection
EnterCriticalSection
LeaveCriticalSection
SetEvent
WaitForSingleObject
ReleaseSRWLockExclusive
AcquireSRWLockExclusive
InitializeSRWLock

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

CloseHandle

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

IsDebuggerPresent

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

RegGetValueW

oleaut32

SysFreeString
SysAllocString

api-ms-win-core-delayload-l1-1-1

ResolveDelayLoadedAPI

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

DelayLoadFailureHook

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

LocalFree

api-ms-win-core-threadpool-legacy-l1-1-0

CreateTimerQueueTimer
DeleteTimerQueueTimer

ntdll

EtwTraceMessage
NtSetInformationProcess
RtlUnhandledExceptionFilter
RtlIsMultiSessionSku
DbgPrintEx

Sections

.text
Size: 42KB - Virtual size: 42KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 33KB - Virtual size: 32KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 1024B - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.didat
Size: 512B - Virtual size: 200B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 1024B - Virtual size: 764B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

3a0c6863cde566af997db2defff9d924

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

56:e0:ef:c1:33:7a:3f:b4:a4:32:bd:1e:71:08:9c:24:f3:34:f0:35:cd:03:9f:a9:05:ef:75:ff:9b:7b:3d:91Signer

Signature Validations

Verification

09/03/2023, 18:59 Valid: false

Headers

DLL Characteristics

File Characteristics

Imports

msvcrt

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

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

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

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

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

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

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

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

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

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

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

rpcrt4

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

api-ms-win-security-base-l1-1-0

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

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

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

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

oleaut32

api-ms-win-core-delayload-l1-1-1

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

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

api-ms-win-core-threadpool-legacy-l1-1-0

ntdll

Sections

.text Size: 42KB - Virtual size: 42KB

.rdata Size: 33KB - Virtual size: 32KB

.data Size: 1024B - Virtual size: 2KB

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

.didat Size: 512B - Virtual size: 200B

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

.reloc Size: 1024B - Virtual size: 764B

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

56:e0:ef:c1:33:7a:3f:b4:a4:32:bd:1e:71:08:9c:24:f3:34:f0:35:cd:03:9f:a9:05:ef:75:ff:9b:7b:3d:91
Signer

09/03/2023, 18:59
Valid: false

.text
Size: 42KB - Virtual size: 42KB

.rdata
Size: 33KB - Virtual size: 32KB

.data
Size: 1024B - Virtual size: 2KB

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

.didat
Size: 512B - Virtual size: 200B

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

.reloc
Size: 1024B - Virtual size: 764B