FSClient[.]dll

Sharing

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General

Target

FSClient.dll
Size

193KB
MD5

6e89d3245d3f6764853807bebc5011d3
SHA1

ba90812886700c9086cf795df73ae3e818af3e3d
SHA256

5fff3570b364dae139bd2cb497486a9a7a7b2e3720533c380e85890598217108
SHA512

13672be097725408f152916d73be6a0ca84e02bb4b610300801ee84f09e37aac5b3bde1efa0ce8165efb5c7577fd1c45a92db79d6752c3b7de54c1e3fb283df0
SSDEEP

3072:BOUomsu+mzbGE4Pm0qiw28TJxD9AQcWvhDM2rqykIFMc9s2q/C1N5oUwL:UfmzbGh5qiwrP9fcWvhbuyXPK2p5o9

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

6082ff353bcd8ed11803c948a4fc83c8

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

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

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

UnregisterTraceGuids
RegisterTraceGuidsW
GetTraceEnableFlags
GetTraceEnableLevel
GetTraceLoggerHandle
TraceMessage

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

SetUnhandledExceptionFilter
UnhandledExceptionFilter
GetLastError

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

TlsSetValue
GetCurrentProcess
GetCurrentProcessId
TerminateProcess
TlsGetValue
GetCurrentThreadId

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

CoTaskMemFree
PropVariantClear
CoCreateInstance
CoTaskMemAlloc
StringFromGUID2
PropVariantCopy
CoCreateFreeThreadedMarshaler

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

DisableThreadLibraryCalls

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

RoOriginateErrorW
RoOriginateError

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

EncodePointer
DecodePointer

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

DeleteCriticalSection
CreateEventW
InitializeCriticalSection
SetEvent
EnterCriticalSection
LeaveCriticalSection
ReleaseSRWLockShared
InitializeSRWLock
ReleaseSRWLockExclusive
AcquireSRWLockShared
Sleep
AcquireSRWLockExclusive

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

WindowsIsStringEmpty
WindowsStringHasEmbeddedNull
WindowsGetStringRawBuffer

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

GetProcessHeap
HeapAlloc
HeapFree

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

WideCharToMultiByte

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

RegCloseKey
RegOpenKeyExW
RegQueryValueExW

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

GetEnvironmentVariableW

rpcrt4

RpcBindingBind
RpcBindingCreateW
RpcBindingFree
NdrClientCall4
I_RpcExceptionFilter

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

CloseHandle
DuplicateHandle

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

QueryPerformanceCounter

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

GetTickCount
GetSystemTimeAsFileTime

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

EventRegister
EventUnregister
EventWrite

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

DeviceIoControl

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

DebugBreak
IsDebuggerPresent

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

ResolveDelayLoadedAPI
DelayLoadFailureHook

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

timeEndPeriod
timeBeginPeriod

Exports

Exports

DllCanUnloadNow
DllGetActivationFactory
DllGetClassObject

Sections

.text
Size: 170KB - Virtual size: 169KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 2KB - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.didat
Size: 512B - Virtual size: 92B

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: 14KB - Virtual size: 13KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

6082ff353bcd8ed11803c948a4fc83c8

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

mfsensorgroup

msvcrt

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

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

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

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

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

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

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

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

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

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

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

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

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

rpcrt4

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

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

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

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

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

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

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

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

Exports

Exports

Sections

.text Size: 170KB - Virtual size: 169KB

.data Size: 2KB - Virtual size: 3KB

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

.didat Size: 512B - Virtual size: 92B

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

.reloc Size: 14KB - Virtual size: 13KB

.text
Size: 170KB - Virtual size: 169KB

.data
Size: 2KB - Virtual size: 3KB

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

.didat
Size: 512B - Virtual size: 92B

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

.reloc
Size: 14KB - Virtual size: 13KB