svchost[.]exe | Triage

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General

Target

svchost.exe
Size

45KB
MD5

bbff42f3c7e8fc0e3049f6f88fbb88e2
SHA1

53c010f3cc328d4764359da02d209750e4616bb4
SHA256

39d422bd2a3d1afb25799918f15de30003dbe2a3bce9c7f7432e3ea1ad98962e
SHA512

39024054a189198bf3d1c56e2a8ca90e1ccbf1b63f3769c20819b33cd74804069a917e223409401d7391a582433ce89dbf198d60f2435338cb304afaba5a7ff5
SSDEEP

768:zcUfJFJ/RhxThdVzNIKwxDZCW8HV9MPbl+1Pmx9zMf:znJ7/RhxVdVz7wxDZUXMDEPmjzMf

Score

1^/10

Malware Config

Signatures

Files

svchost.exe
.exe windows:10 windows x86 arch:x86

31245021771b01bca0be49250bdaa032

Code Sign

33:00:00:04:50:0d:a4:5d:0a:6c:7a:8a:57:00:00:00:00:04:50
Certificate

Issuer

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

Not Before

08/08/2023, 18:38

Not After

07/08/2024, 18:38

Subject

CN=Microsoft Windows Publisher,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

fe:07:2e:f1:39:53:fd:9c:c6:5a:a8:0d:be:b8:04:ff:61:2c:74:c4:ee:36:6f:67:f0:d7:2e:a4:a8:50:ac:80
Signer

Actual PE Digest

fe:07:2e:f1:39:53:fd:9c:c6:5a:a8:0d:be:b8:04:ff:61:2c:74:c4:ee:36:6f:67:f0:d7:2e:a4:a8:50:ac:80

Digest Algorithm

sha256

PE Digest Matches

true

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_NO_SEH
IMAGE_DLLCHARACTERISTICS_GUARD_CF
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE

PDB Paths

svchost.pdb

Imports

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

_initterm
_initterm_e
__wgetmainargs

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

QueryPerformanceCounter

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

ExitProcess
GetCurrentProcessId
SetProcessAffinityUpdateMode
TerminateProcess
GetCurrentProcess
GetCurrentThreadId
OpenProcessToken

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

GetTickCount
GetTickCount64
GetSystemTimeAsFileTime

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

GetLastError
UnhandledExceptionFilter
SetUnhandledExceptionFilter
SetErrorMode

api-ms-win-service-private-l1-1-3

I_RegisterSvchostNotificationCallback

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

memcpy
_wcsicmp
memset
memcmp
qsort_s

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

GetProcAddress
GetModuleHandleW
LoadLibraryExW
FreeLibrary

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

HeapAlloc
HeapFree
HeapSetInformation
GetProcessHeap

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

ReleaseSRWLockExclusive
AcquireSRWLockExclusive
InitializeSRWLock
ReleaseSRWLockShared
AcquireSRWLockShared
LeaveCriticalSection
EnterCriticalSection

api-ms-win-service-winsvc-l1-1-0

RegisterServiceCtrlHandlerW

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

SetServiceStatus
StartServiceCtrlDispatcherW

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

CompareStringOrdinal
MultiByteToWideChar
WideCharToMultiByte

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

RegEnumKeyExW
RegCloseKey
RegDisablePredefinedCacheEx
RegGetValueW
RegOpenKeyExW
RegQueryValueExW

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

GetCommandLineW
ExpandEnvironmentStringsW

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

SetProcessMitigationPolicy

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

SetProtectedPolicy

rpcrt4

RpcServerUnregisterIf
I_RpcMapWin32Status
RpcMgmtSetServerStackSize
I_RpcServerDisableExceptionFilter
RpcServerUseProtseqEpW
RpcServerUnregisterIfEx
RpcServerRegisterIf
RpcMgmtStopServerListening
RpcServerListen
RpcMgmtWaitServerListen

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

LCMapStringW

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

SetSecurityDescriptorDacl
SetSecurityDescriptorOwner
MakeAbsoluteSD
InitializeSecurityDescriptor
InitializeAcl
AddAccessAllowedAce
GetLengthSid
SetSecurityDescriptorGroup
GetTokenInformation

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

CloseHandle

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

EventSetInformation
EventWriteTransfer
EventRegister

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

bsearch_s

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

DeactivateActCtx
CreateActCtxW
ReleaseActCtx
ActivateActCtx

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

RegisterWaitForSingleObjectEx

ntdll

RtlSetProcessIsCritical
_vsnwprintf
TpSetTimer
RtlValidSecurityDescriptor
TpReleaseTimer
TpWaitForTimer
TpSetTimerEx
RtlFreeHeap
RtlAllocateHeap
RtlQueryHeapInformation
RtlRunOnceExecuteOnce
RtlNtStatusToDosError
EtwEventWrite
EtwEventEnabled
TpReleaseWait
RtlNtStatusToDosErrorNoTeb
TpSetWait
TpAllocWait
EtwEventRegister
NtQuerySystemInformation
RtlUnhandledExceptionFilter
RtlInitializeCriticalSection
RtlInitializeSid
RtlSubAuthoritySid
RtlGetDeviceFamilyInfoEnum
RtlReleaseSRWLockExclusive
RtlSubAuthorityCountSid
RtlAcquireSRWLockExclusive
RtlLengthRequiredSid
RtlDeriveCapabilitySidsFromName
RtlCopySid
NtSetInformationProcess
TpAllocTimer
RtlImageNtHeader

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

LocalAlloc
LocalFree

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

ResolveDelayLoadedAPI

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

DelayLoadFailureHook

Sections

.text
Size: 23KB - Virtual size: 23KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 512B - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.idata
Size: 5KB - Virtual size: 5KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.didat
Size: 512B - Virtual size: 24B

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: 2KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

31245021771b01bca0be49250bdaa032

Code Sign

33:00:00:04:50:0d:a4:5d:0a:6c:7a:8a:57:00:00:00:00:04:50Certificate

Extended Key Usages

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

Key Usages

fe:07:2e:f1:39:53:fd:9c:c6:5a:a8:0d:be:b8:04:ff:61:2c:74:c4:ee:36:6f:67:f0:d7:2e:a4:a8:50:ac:80Signer

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

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

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

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

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

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

api-ms-win-service-private-l1-1-3

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

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

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

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

api-ms-win-service-winsvc-l1-1-0

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

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

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

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

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

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

rpcrt4

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

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

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

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

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

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

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

ntdll

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

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

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

Sections

.text Size: 23KB - Virtual size: 23KB

.data Size: 512B - Virtual size: 1KB

.idata Size: 5KB - Virtual size: 5KB

.didat Size: 512B - Virtual size: 24B

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

.reloc Size: 2KB - Virtual size: 1KB

33:00:00:04:50:0d:a4:5d:0a:6c:7a:8a:57:00:00:00:00:04:50
Certificate

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

fe:07:2e:f1:39:53:fd:9c:c6:5a:a8:0d:be:b8:04:ff:61:2c:74:c4:ee:36:6f:67:f0:d7:2e:a4:a8:50:ac:80
Signer

.text
Size: 23KB - Virtual size: 23KB

.data
Size: 512B - Virtual size: 1KB

.idata
Size: 5KB - Virtual size: 5KB

.didat
Size: 512B - Virtual size: 24B

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

.reloc
Size: 2KB - Virtual size: 1KB