svhost[.]exe | Triage

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General

Target

svhost.exe
Size

3.0MB
MD5

789f2cd5470f341d08c545091c4fee76
SHA1

c05ce2c8686ad08f8ab7efa49a9cb98a47028d9d
SHA256

a76319eb573d0df7ecab8102c258af65e26ae0ec57711ccb2d3d4c01854747b3
SHA512

03fde2e2c75a2f407c6a5991df7ddc6880032d2e655d6037f2ab610ff62367585292a604f534023dc289cbf6df775ce25e5955457b1d7c7a9723e4f2de8f4688
SSDEEP

49152:/DB5piERWkYXtZtPh+5H4INtzD7tDdI3apQScKliy:t5xOddRILH4ScK

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
svhost.exe

Files

svhost.exe
.exe windows:4 windows x64 arch:x64

182d5cb6fee5c527fd352947ab019b73

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_DEBUG_STRIPPED

Imports

advapi32

RegCloseKey
RegOpenKeyExW
RegQueryValueExW
SystemFunction036

kernel32

AcquireSRWLockExclusive
AcquireSRWLockShared
AddVectoredExceptionHandler
CloseHandle
CreateFileMappingA
CreateFileW
CreateIoCompletionPort
CreateThread
CreateToolhelp32Snapshot
DuplicateHandle
FormatMessageW
FreeLibrary
GetConsoleMode
GetConsoleScreenBufferInfo
GetCurrentDirectoryW
GetCurrentProcess
GetCurrentThread
GetEnvironmentVariableW
GetFileInformationByHandle
GetFileInformationByHandleEx
GetFinalPathNameByHandleW
GetFullPathNameW
GetLastError
GetModuleHandleA
GetModuleHandleW
GetProcAddress
GetProcessHeap
GetQueuedCompletionStatusEx
GetStdHandle
GetSystemInfo
GetSystemTimeAsFileTime
HeapAlloc
HeapFree
HeapReAlloc
InitOnceBeginInitialize
InitOnceComplete
LoadLibraryA
MapViewOfFile
Module32FirstW
Module32NextW
MultiByteToWideChar
PostQueuedCompletionStatus
QueryPerformanceCounter
QueryPerformanceFrequency
ReleaseSRWLockExclusive
ReleaseSRWLockShared
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
SetConsoleMode
SetConsoleTextAttribute
SetFileCompletionNotificationModes
SetHandleInformation
SetLastError
SetThreadStackGuarantee
SetUnhandledExceptionFilter
Sleep
SleepConditionVariableSRW
SwitchToThread
TlsAlloc
TlsFree
TlsGetValue
TlsSetValue
TryAcquireSRWLockExclusive
UnmapViewOfFile
WaitForSingleObject
WakeAllConditionVariable
WakeConditionVariable
WriteConsoleW
DeleteCriticalSection
EnterCriticalSection
InitializeCriticalSection
LeaveCriticalSection
RaiseException
RtlUnwindEx
VirtualProtect
VirtualQuery
__C_specific_handler

crypt32

CertAddCertificateContextToStore
CertCloseStore
CertDuplicateCertificateChain
CertDuplicateCertificateContext
CertDuplicateStore
CertEnumCertificatesInStore
CertFreeCertificateChain
CertFreeCertificateContext
CertGetCertificateChain
CertOpenStore
CertVerifyCertificateChainPolicy

ntdll

NtCancelIoFileEx
NtCreateFile
NtDeviceIoControlFile
NtWriteFile
RtlNtStatusToDosError

secur32

AcceptSecurityContext
AcquireCredentialsHandleA
ApplyControlToken
DecryptMessage
DeleteSecurityContext
EncryptMessage
FreeContextBuffer
FreeCredentialsHandle
InitializeSecurityContextW
QueryContextAttributesW

ws2_32

WSACleanup
WSAGetLastError
WSAIoctl
WSASend
WSASocketW
WSAStartup
bind
closesocket
connect
freeaddrinfo
getaddrinfo
getpeername
getsockname
getsockopt
ioctlsocket
recv
send
setsockopt
shutdown

bcrypt

BCryptGenRandom

msvcrt

__getmainargs
__initenv
__iob_func
__set_app_type
__setusermatherr
_amsg_exit
_cexit
_commode
_errno
_fmode
_fpreset
_initterm
_onexit
abort
calloc
exit
fprintf
free
fwrite
malloc
memcmp
memcpy
memmove
memset
pow
signal
strlen
strncmp
vfprintf

Sections

.text
Size: 1.8MB - Virtual size: 1.8MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 1024B - Virtual size: 608B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rdata
Size: 1000KB - Virtual size: 1000KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.eh_fram
Size: 512B - Virtual size: 4B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 49KB - Virtual size: 48KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.xdata
Size: 148KB - Virtual size: 147KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.bss
Size: - Virtual size: 768B

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.idata
Size: 6KB - Virtual size: 6KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.CRT
Size: 512B - Virtual size: 112B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.tls
Size: 512B - Virtual size: 16B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.reloc
Size: 26KB - Virtual size: 26KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

182d5cb6fee5c527fd352947ab019b73

Headers

DLL Characteristics

File Characteristics

Imports

advapi32

kernel32

crypt32

ntdll

secur32

ws2_32

bcrypt

msvcrt

Sections

.text Size: 1.8MB - Virtual size: 1.8MB

.data Size: 1024B - Virtual size: 608B

.rdata Size: 1000KB - Virtual size: 1000KB

.eh_fram Size: 512B - Virtual size: 4B

.pdata Size: 49KB - Virtual size: 48KB

.xdata Size: 148KB - Virtual size: 147KB

.bss Size: - Virtual size: 768B

.idata Size: 6KB - Virtual size: 6KB

.CRT Size: 512B - Virtual size: 112B

.tls Size: 512B - Virtual size: 16B

.reloc Size: 26KB - Virtual size: 26KB

.text
Size: 1.8MB - Virtual size: 1.8MB

.data
Size: 1024B - Virtual size: 608B

.rdata
Size: 1000KB - Virtual size: 1000KB

.eh_fram
Size: 512B - Virtual size: 4B

.pdata
Size: 49KB - Virtual size: 48KB

.xdata
Size: 148KB - Virtual size: 147KB

.bss
Size: - Virtual size: 768B

.idata
Size: 6KB - Virtual size: 6KB

.CRT
Size: 512B - Virtual size: 112B

.tls
Size: 512B - Virtual size: 16B

.reloc
Size: 26KB - Virtual size: 26KB