MosHostClient[.]dll

Sharing

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General

Target

MosHostClient.dll
Size

58KB
MD5

76a8263d071b72443415677e8e38f2c6
SHA1

0567d4a56dcd554492cf4dd2ff408a4e54cb202d
SHA256

7621b2e2a6641b49817d49be48ffef75504710042cb1949b7ad52f81bcaa475b
SHA512

a95e3ffa3cd7d8b5cfca12ae26aa337ddf93067dd532897db2695c7119b2209061f32c5533f4c6f0b5ff506eecab34497ad17ac153708cfb713478fcc83912e6
SSDEEP

1536:f+N/YQMr8U4weRA0+5Yd6Ldq4ZfojxWv9JmR:Iv0iGhNwWfmR

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
MosHostClient.dll

Files

MosHostClient.dll
.dll windows:10 windows x86 arch:x86

51943c455b119dfa64aabaf6cccc38da

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

MosHostClient.pdb

Imports

msvcp_win

?_Xbad_function_call@std@@YAXXZ
?_Xlength_error@std@@YAXPBD@Z
?_Xbad_alloc@std@@YAXXZ

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

_initterm_e
_initterm

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

_o___std_exception_copy
_o___std_exception_destroy
_o___std_type_info_destroy_list
_o___stdio_common_vsnprintf_s
_o___stdio_common_vswprintf
_o__callnewh
_o__cexit
_o__configure_narrow_argv
_o__crt_atexit
_o__errno
_o__execute_onexit_table
_o__initialize_narrow_environment
_o__initialize_onexit_table
_o__invalid_parameter_noinfo
_o__invalid_parameter_noinfo_noreturn
_o__purecall
memcpy
_o__seh_filter_dll
_o_free
_o_malloc
_o_memset
__CxxFrameHandler3
_except_handler4_common
_CxxThrowException
__std_terminate
_o__register_onexit_function

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

EventUnregister
EventRegister

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

GetModuleFileNameA
GetModuleHandleExW
DisableThreadLibraryCalls

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

UnhandledExceptionFilter
SetLastError
SetUnhandledExceptionFilter
GetLastError

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

SetEvent
DeleteCriticalSection
InitializeCriticalSection
LeaveCriticalSection
Sleep
EnterCriticalSection
CreateEventExW
WaitForSingleObjectEx

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

IsProcessorFeaturePresent
TerminateProcess
GetCurrentProcessId
GetCurrentThreadId
GetCurrentProcess

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

FormatMessageW

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

OutputDebugStringW
IsDebuggerPresent

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

CloseHandle

rpcrt4

RpcAsyncCancelCall
NdrClientCall4
NdrAsyncClientCall2
RpcAsyncCompleteCall
I_RpcExceptionFilter
RpcBindingBind
RpcAsyncInitializeHandle
RpcBindingCreateW
RpcBindingFree

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

QueryPerformanceCounter

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

GetSystemTimeAsFileTime

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

InitializeSListHead

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

QueryTransientObjectSecurityDescriptor
FreeTransientObjectSecurityDescriptor

ztrace_maps

ZTraceReportPropagationNoThis
ZTraceInit
ZTraceHelper
ZTraceReportOriginationNoThis
ZTraceReportOrigination
ZTraceReportPropagation
ZTraceReportIgnore
ZTraceClose

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

WaitServiceState

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

CloseServiceHandle
OpenSCManagerW
OpenServiceW
StartServiceW

Exports

Exports

MapsStorageClose
MapsStorageFree
MapsStorageGetDataDirectory
MapsStorageGetLocations
MapsStorageOpen
MapsStorageUseDefaultExternalStorage
MapsStorageValidateLocationAsync
MosCacheStateGetSizes
MosCacheStateSetMaxSize
MosCacheStateSetSlotSize
MosCacheStateSnapshot
MosCacheStateUnuseSlot
MosCacheStateUseSlot
MosDeleteDataAsyncOperation
MosGetBrowseCacheSizeInMBytes
MosGetDataAsync
MosGetDataAsyncOperation
MosGetDataDirectory
MosGetResourceDirectory
MosHostClose
MosHostFree
MosHostOpen
MosReportCacheMiss
MosRequestResourceLock
MosRequestResourceUnlock
OdmlAddMapPackages
OdmlCancelMapDataMigration
OdmlCancelMapPackage
OdmlClose
OdmlDeleteAllMaps
OdmlFindNearbyPackagesAsync
OdmlFree
OdmlGetAutoUpdateEnabled
OdmlGetAvailablePackages
OdmlGetCopyrightString
OdmlGetIsStorageStateValid
OdmlGetShouldUseWlanString
OdmlGetUpdateOnlyOnWifi
OdmlGetUserPackages
OdmlOpen
OdmlRemoveMapPackages
OdmlSetAutoUpdateEnabled
OdmlSetUpdateOnlyOnWifi
OdmlStartCheckForUpdates
OdmlStartInstallUpdate
OdmlStartMapDataMigration

Sections

.text
Size: 47KB - Virtual size: 47KB

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: 4KB - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 3KB - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

51943c455b119dfa64aabaf6cccc38da

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

msvcp_win

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

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

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

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

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

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

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

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

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

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

rpcrt4

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

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

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

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

ztrace_maps

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

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

Exports

Exports

Sections

.text Size: 47KB - Virtual size: 47KB

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

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

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

.reloc Size: 3KB - Virtual size: 3KB

.text
Size: 47KB - Virtual size: 47KB

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

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

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

.reloc
Size: 3KB - Virtual size: 3KB