Static task
static1
Behavioral task
behavioral1
Sample
GameBarPresenceWriter.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
GameBarPresenceWriter.exe
Resource
win10v2004-20230220-en
General
-
Target
GameBarPresenceWriter.exe
-
Size
231KB
-
MD5
4d9f11d5a65dc32c3c5b9b1e539686bd
-
SHA1
3bf0abb6f5b043320511ed915d6d7bb3027a2f0b
-
SHA256
b7fd76cee9e31f6512b92caa451f6add085e92ea715ef039f9b102477107cf23
-
SHA512
6e25303e4e65b6548da252c29fdc109978770918e8e49355b4735f98187e8695786475a64d80b672005d13dfc8a3b25b574af9a2c63aa37a6421d2541b732e0a
-
SSDEEP
6144:VgmmnMk7DITkHYrl8HuVUaKp8QI/U7VHu4stmNjQR8B:BP6ITzrl85+U7VHu4stmqR8
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource GameBarPresenceWriter.exe
Files
-
GameBarPresenceWriter.exe.exe windows x86
33532e3d7e192ac5a31b0ce9fcd79a67
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_GUARD_CF
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
advapi32
RegGetValueW
RegCreateKeyExW
RegCloseKey
RegNotifyChangeKeyValue
MakeAbsoluteSD
ConvertStringSecurityDescriptorToSecurityDescriptorW
EventUnregister
EventSetInformation
EventRegister
EventWriteTransfer
kernel32
GetModuleFileNameA
HeapFree
EnterCriticalSection
GetModuleHandleExW
LeaveCriticalSection
InitializeCriticalSectionEx
GetCurrentThreadId
FormatMessageW
OutputDebugStringW
RaiseException
HeapAlloc
GetProcAddress
DeleteCriticalSection
GetProcessHeap
GetModuleHandleW
DebugBreak
IsDebuggerPresent
SetLastError
CreateEventExW
WaitForThreadpoolTimerCallbacks
CloseThreadpoolWait
GetLastError
WaitForThreadpoolWaitCallbacks
ReleaseSRWLockExclusive
CloseThreadpoolTimer
AcquireSRWLockExclusive
CreateThreadpoolWait
CloseHandle
SetThreadpoolTimer
SetThreadpoolWait
CreateThreadpoolTimer
ParseApplicationUserModelId
InitOnceExecuteOnce
EncodePointer
WaitForSingleObject
CreateEventW
Sleep
SetEvent
ReleaseSRWLockShared
DecodePointer
LocalFree
AcquireSRWLockShared
CreateSemaphoreExW
ReleaseSemaphore
ReleaseMutex
WaitForSingleObjectEx
OpenSemaphoreW
CreateMutexExW
GetCurrentProcessId
api-ms-win-crt-runtime-l1-1-0
_initterm
_initterm_e
_c_exit
_register_thread_local_exe_atexit_callback
api-ms-win-crt-private-l1-1-0
_o___stdio_common_vfwprintf
_o___stdio_common_vsnprintf_s
_o___stdio_common_vsprintf_s
_o___stdio_common_vswprintf
_o__callnewh
_o__calloc_base
_o__cexit
_o__CIpow
_o__configthreadlocale
_o__configure_wide_argv
_o__controlfp_s
_o__crt_atexit
_o__errno
_o__exit
_o__free_base
_o__get_initial_wide_environment
_o__Getdays
_o__Getmonths
_o__Gettnames
_o__initialize_onexit_table
_o__initialize_wide_environment
_o__invalid_parameter_noinfo
_o__invalid_parameter_noinfo_noreturn
_o__malloc_base
_o__purecall
_o___std_exception_destroy
_o__realloc_base
_o__register_onexit_function
_o__seh_filter_exe
_o__set_app_type
_o__set_fmode
_o__set_new_mode
_o__Strftime
_o__W_Getdays
_o__W_Getmonths
_o__W_Gettnames
_o__wcsdup
_o__Wcsftime
_o_abort
_o_calloc
_o_ceil
_o_exit
_o_free
_o_frexp
_o_islower
_o_isspace
_o_isupper
_o_ldexp
_o_localeconv
_o_malloc
_o_setlocale
_o_strtod
_o_strtof
_o_terminate
_o_tolower
__current_exception
__current_exception_context
_except_handler4_common
_CxxThrowException
wcsstr
_o___std_exception_copy
_o___p__commode
_o___pctype_func
_o___p___wargv
_o___p___argc
_o___acrt_iob_func
_o____mb_cur_max_func
_o____lc_locale_name_func
_o____lc_collate_cp_func
_o____lc_codepage_func
__CxxFrameHandler3
memchr
memcmp
memcpy
memmove
api-ms-win-crt-string-l1-1-0
strcspn
__strncnt
wcsnlen
memset
ole32
CoCreateInstance
CoCreateFreeThreadedMarshaler
CoTaskMemFree
CoReleaseServerProcess
CoTaskMemAlloc
CoRegisterClassObject
CoResumeClassObjects
CoInitializeSecurity
CoRevokeClassObject
CoAddRefServerProcess
api-ms-win-core-winrt-error-l1-1-0
RoOriginateError
SetRestrictedErrorInfo
RoOriginateErrorW
api-ms-win-core-winrt-string-l1-1-0
WindowsStringHasEmbeddedNull
WindowsCreateString
WindowsDuplicateString
WindowsGetStringRawBuffer
WindowsDeleteString
WindowsCreateStringReference
WindowsIsStringEmpty
api-ms-win-core-winrt-l1-1-0
RoRegisterActivationFactories
RoInitialize
RoGetActivationFactory
RoRevokeActivationFactories
RoActivateInstance
RoUninitialize
api-ms-win-core-winrt-error-l1-1-1
RoGetMatchingRestrictedErrorInfo
api-ms-win-power-setting-l1-1-0
PowerSettingUnregisterNotification
PowerSettingRegisterNotification
api-ms-win-core-synch-l1-2-0
WakeConditionVariable
InitializeConditionVariable
SleepConditionVariableSRW
WakeAllConditionVariable
api-ms-win-core-synch-l1-1-0
InitializeSRWLock
TryAcquireSRWLockExclusive
ResetEvent
InitializeCriticalSectionAndSpinCount
api-ms-win-core-profile-l1-1-0
QueryPerformanceCounter
api-ms-win-core-localization-l1-2-0
GetLocaleInfoEx
GetCPInfo
LCMapStringEx
api-ms-win-core-errorhandling-l1-1-0
SetUnhandledExceptionFilter
UnhandledExceptionFilter
api-ms-win-core-processthreads-l1-1-0
GetCurrentProcess
TerminateProcess
api-ms-win-core-processthreads-l1-1-1
IsProcessorFeaturePresent
api-ms-win-core-sysinfo-l1-1-0
GetSystemTimeAsFileTime
api-ms-win-core-interlocked-l1-1-0
InitializeSListHead
api-ms-win-crt-locale-l1-1-0
_unlock_locales
_lock_locales
api-ms-win-core-string-l1-1-0
GetStringTypeW
WideCharToMultiByte
MultiByteToWideChar
CompareStringEx
Sections
.text Size: 197KB - Virtual size: 196KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: 13KB - Virtual size: 14KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.idata Size: 7KB - Virtual size: 6KB
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: 11KB - Virtual size: 11KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ