FSClient[.]dll

Sharing

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General

Target

FSClient.dll
Size

256KB
MD5

846e64cbebda4b81900060a35f62e6e8
SHA1

dec33d9c28b468ec2580ca92a16243edebf7dd1d
SHA256

16b131eaaad545118626fa1896bfa4110d3423bcaf74b1b3cf980bbb8518082f
SHA512

98b7c65005ce6c4be26fdb617cffe1836cf6a2baae611486364e3b14c3a05b3941f8e7614a9e2b497a01d15bd2aeb03bc50543e45553ca03a9780d95f80ca833
SSDEEP

3072:qzAg0rUHegvZVHaH9PGm+dM9xQn1NU+pbiWchVKGaCz4tQ8pY3JXx38ahBoAy3cK:iC+MEGfny34gFO0D0iWLgE6uxps

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
FSClient.dll

Files

FSClient.dll
.dll windows:10 windows x86 arch:x86

e08500e3b2aa877a2a350582528d48fc

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_GUARD_CF

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DLL

PDB Paths

FSClient.pdb

Imports

mfsensorgroup

MFCreateSensorGroup
MFIsSensorGroupName

msvcrt

_initterm
_amsg_exit
memmove
_XcptFilter
_callnewh
_vscprintf
_lock
free
malloc
_vsnwprintf
__CxxFrameHandler3
_ultoa_s
_except_handler4_common
_unlock
memcpy_s
qsort
strncpy_s
strnlen
_ltoa_s
_i64toa_s
_gcvt_s
_vsnprintf
_purecall
__dllonexit
_onexit
memcmp
memcpy
memset

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

GetTraceEnableLevel
GetTraceLoggerHandle
TraceMessage
UnregisterTraceGuids
GetTraceEnableFlags
RegisterTraceGuidsW

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

PropVariantClear
CoCreateFreeThreadedMarshaler
StringFromGUID2
StringFromIID
CoTaskMemAlloc
CoCreateInstance
CoTaskMemFree
PropVariantCopy

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

GetProcAddress
FreeLibrary
GetModuleFileNameA
GetModuleHandleExW
GetModuleHandleW
DisableThreadLibraryCalls

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

RoOriginateError
RoOriginateErrorW

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

DecodePointer
EncodePointer

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

SetEvent
ReleaseMutex
AcquireSRWLockShared
WaitForSingleObject
WaitForSingleObjectEx
OpenSemaphoreW
ReleaseSemaphore
ReleaseSRWLockShared
CreateSemaphoreExW
CreateMutexExW
AcquireSRWLockExclusive
ReleaseSRWLockExclusive
LeaveCriticalSection
EnterCriticalSection
DeleteCriticalSection
InitializeCriticalSection
CreateEventW
InitializeSRWLock

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

WindowsIsStringEmpty
WindowsGetStringRawBuffer
WindowsStringHasEmbeddedNull

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

HeapAlloc
HeapFree
GetProcessHeap

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

SetUnhandledExceptionFilter
SetLastError
GetLastError
UnhandledExceptionFilter

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

WideCharToMultiByte

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

EventRegister
EventWriteTransfer
EventUnregister

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

GetCurrentProcess
GetCurrentThreadId
TlsSetValue
TerminateProcess
GetCurrentProcessId
TlsGetValue

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

RegQueryValueExW
RegCloseKey
RegOpenKeyExW

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

GetEnvironmentVariableW

rpcrt4

I_RpcExceptionFilter
NdrClientCall4
RpcBindingFree
RpcBindingCreateW
RpcBindingBind

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

DuplicateHandle
CompareObjectHandles
CloseHandle

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

DeviceIoControl

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

SleepConditionVariableSRW
Sleep
WakeAllConditionVariable

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

QueryPerformanceCounter

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

GetTickCount
GetSystemTimeAsFileTime

dxgi

CreateDXGIFactory1

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

FormatMessageW

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

DebugBreak
IsDebuggerPresent
OutputDebugStringW

api-ms-win-mm-time-l1-1-0

timeBeginPeriod
timeEndPeriod

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

ResolveDelayLoadedAPI

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

DelayLoadFailureHook

d3d11

D3D11CreateDevice

Exports

Exports

DllCanUnloadNow
DllGetActivationFactory
DllGetClassObject

Sections

.text
Size: 225KB - Virtual size: 224KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 4KB - Virtual size: 8KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.idata
Size: 5KB - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_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: 18KB - Virtual size: 18KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

e08500e3b2aa877a2a350582528d48fc

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

mfsensorgroup

msvcrt

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

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

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

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

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

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

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

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

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

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

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

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

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

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

rpcrt4

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

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

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

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

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

dxgi

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

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

api-ms-win-mm-time-l1-1-0

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

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

d3d11

Exports

Exports

Sections

.text Size: 225KB - Virtual size: 224KB

.data Size: 4KB - Virtual size: 8KB

.idata Size: 5KB - Virtual size: 4KB

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

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

.reloc Size: 18KB - Virtual size: 18KB

.text
Size: 225KB - Virtual size: 224KB

.data
Size: 4KB - Virtual size: 8KB

.idata
Size: 5KB - Virtual size: 4KB

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

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

.reloc
Size: 18KB - Virtual size: 18KB