MosHostClient[.]dll

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General

Target

MosHostClient.dll
Size

66KB
MD5

af0aca299543af343de5f684fa94e1ce
SHA1

381f865deeb88efbd8c179681b98d4705fe19ab8
SHA256

daa71effbb98a528d29e03503a05b4c47b6cd8d018c3c70a1ee8ed76ca3beaac
SHA512

b6666441e020a9cea093055a703ae6c59c91be0c12bfe67a2b9e0e08e3f6757290b00e599df13d7b219b502117de64d14f7f203b4f34c2497291dccf4009b5fb
SSDEEP

768:sGNWZs8eAwj090aUu0Bpt5uVcV5omAeUzX2T1fE1DwfxldY9YWBrLh10cf1Hqjx:sGNWZaAwO+FDt5bmB21EhgiX70aH+

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

320bd0e281f6630d0bb5aa21786ae8d0

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

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

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

_initterm
_initterm_e

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

_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
_o__register_onexit_function
memcpy
_o__seh_filter_dll
_o_ceil
_o_free
_o_malloc
_except_handler4_common
_CxxThrowException
_o___std_type_info_destroy_list
_o___std_exception_destroy
_o___std_exception_copy
__std_terminate
__CxxFrameHandler3

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

memset

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

EventUnregister
EventRegister

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

GetProcAddress
DisableThreadLibraryCalls
GetModuleHandleW
GetModuleFileNameA
GetModuleHandleExW

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

GetProcessHeap
HeapFree
HeapAlloc

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

SetLastError
SetUnhandledExceptionFilter
UnhandledExceptionFilter
GetLastError

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

EnterCriticalSection
CreateEventExW
LeaveCriticalSection
InitializeCriticalSection
SetEvent
WaitForSingleObjectEx
DeleteCriticalSection

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

GetCurrentProcess
GetCurrentProcessId
GetCurrentThreadId
TerminateProcess

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

FormatMessageW

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

OutputDebugStringW
DebugBreak
IsDebuggerPresent

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

CloseHandle

rpcrt4

RpcAsyncCompleteCall
NdrClientCall4
NdrAsyncClientCall2
RpcAsyncCancelCall
I_RpcExceptionFilter
RpcBindingBind
RpcAsyncInitializeHandle
RpcBindingCreateW
RpcBindingFree

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

Sleep

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

IsProcessorFeaturePresent

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

QueryPerformanceCounter

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

GetSystemTimeAsFileTime

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

InitializeSListHead

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

QueryTransientObjectSecurityDescriptor
FreeTransientObjectSecurityDescriptor

ztrace_maps

ZTraceClose
ZTraceReportPropagation
ZTraceReportPropagationNoThis
ZTraceHelper
ZTraceReportOriginationNoThis
ZTraceReportIgnore
ZTraceReportOrigination
ZTraceInit

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

WaitServiceState

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

CloseServiceHandle
OpenSCManagerW
OpenServiceW
StartServiceW

Exports

Exports

MapsPackageAddMapPackageAsync
MapsPackageClose
MapsPackageFindNearbyPackagesAsync
MapsPackageFree
MapsPackageGetPackages
MapsPackageOpen
MapsStorageClose
MapsStorageFree
MapsStorageGetCurrentLocation
MapsStorageGetDataDirectory
MapsStorageGetLocations
MapsStorageGetMigrationState
MapsStorageOpen
MapsStorageQueueSwitchToDefaultExternalStorage
MapsStorageUseDefaultExternalStorage
MapsStorageValidateLocationAsync
MosCacheStateGetSizes
MosCacheStateSetMaxSize
MosCacheStateSetSlotSize
MosCacheStateSnapshot
MosCacheStateUnuseSlot
MosCacheStateUseSlot
MosDeleteDataAsyncOperation
MosGetBrowseCacheSizeInMBytes
MosGetCopyrightString
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: 55KB - Virtual size: 55KB

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: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 1024B - Virtual size: 1024B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

320bd0e281f6630d0bb5aa21786ae8d0

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-crt-string-l1-1-0

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

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

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

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

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

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

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

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

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

rpcrt4

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

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

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

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

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

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

ztrace_maps

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

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

Exports

Exports

Sections

.text Size: 55KB - Virtual size: 55KB

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

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

.rsrc Size: 1024B - Virtual size: 1024B

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

.text
Size: 55KB - Virtual size: 55KB

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

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

.rsrc
Size: 1024B - Virtual size: 1024B

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