Static task
static1
Behavioral task
behavioral1
Sample
MirekInjector.exe
Resource
win10-20230220-en
Behavioral task
behavioral2
Sample
MirekInjector.exe
Resource
win10v2004-20230220-en
General
-
Target
MirekInjector.exe
-
Size
1.7MB
-
MD5
45f688fa4a4966764c6fd5c1d9cbeb37
-
SHA1
b463eff68e277aa0367d255446418bd48027e29d
-
SHA256
36031ec4b4578d9570223be1e36aa9c39bb3bcf24381592e760a2f67fa459ac5
-
SHA512
cbdc79c46fd87a62022befed5b1fdc203f05777dfca507cbeb7c9c9a7eef90bc484fa3ef9720f6dcd87f87d98818067c4c3a2c4e69c702362db9be8390222999
-
SSDEEP
24576:ndPc6kipho9kmSm1MB1vcs3oL9XNT7wqlG8oYlenpjUa2LTd37OU8bRxcBFym1MN:dUGcj1MR3o5VtlVQpjUV1M4b9gog3V
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource MirekInjector.exe
Files
-
MirekInjector.exe.exe windows x86
b0dd596b45efc4c70b05db9b59bee60c
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
d3d9
Direct3DCreate9
shlwapi
PathRemoveFileSpecW
PathCombineW
PathFindFileNameW
dbghelp
SymInitializeW
SymLoadModuleExW
SymUnloadModule64
SymSetOptions
SymFromName
SymCleanup
wininet
InternetCheckConnectionW
urlmon
URLDownloadToCacheFileW
kernel32
WideCharToMultiByte
GlobalUnlock
GlobalAlloc
GlobalFree
QueryPerformanceFrequency
QueryPerformanceCounter
LoadLibraryA
GetProcAddress
GetFileAttributesW
VirtualAllocEx
GetLastError
WriteProcessMemory
VirtualFreeEx
CreateRemoteThread
WaitForSingleObject
CloseHandle
GetExitCodeThread
ReadProcessMemory
CreateDirectoryW
GetTickCount
CopyFileW
LoadLibraryW
DuplicateHandle
GetCurrentProcess
CreateToolhelp32Snapshot
Process32FirstW
MultiByteToWideChar
OpenProcess
TerminateProcess
CreateProcessW
FindFirstFileW
DeleteFileW
FindNextFileW
SetEnvironmentVariableW
Sleep
FindResourceW
SizeofResource
LoadResource
LockResource
CreateFileW
WriteFile
GetModuleHandleW
GetProcessId
TerminateThread
CreateThread
IsWow64Process
FreeLibrary
GetCurrentProcessId
CreateEventW
VirtualAlloc
VirtualFree
GetFileAttributesExW
SetEvent
K32EnumProcessModules
GetCurrentThreadId
LocalAlloc
LocalFree
GetSystemTimeAsFileTime
GlobalLock
InitializeSListHead
GetStartupInfoW
IsDebuggerPresent
IsProcessorFeaturePresent
SetUnhandledExceptionFilter
UnhandledExceptionFilter
WaitForSingleObjectEx
ResetEvent
DeleteCriticalSection
InitializeCriticalSectionAndSpinCount
LeaveCriticalSection
EnterCriticalSection
InitOnceBeginInitialize
InitOnceComplete
Process32NextW
K32GetModuleBaseNameW
user32
DefWindowProcW
DestroyWindow
MessageBoxA
SendMessageW
PostQuitMessage
GetWindowRect
DispatchMessageW
TranslateMessage
PeekMessageW
UpdateWindow
ShowWindow
UnregisterClassW
SetLayeredWindowAttributes
SetWindowPos
GetWindowLongW
SetWindowLongW
CreateWindowExW
SetTimer
RegisterClassExW
LoadIconW
PostMessageW
ReleaseCapture
SetCapture
GetCapture
GetKeyState
GetClientRect
ScreenToClient
GetCursorPos
IsChild
GetForegroundWindow
SetCursorPos
ClientToScreen
LoadCursorW
SetCursor
GetMessageW
EmptyClipboard
CloseClipboard
GetClipboardData
KillTimer
OpenClipboard
GetDesktopWindow
SetClipboardData
comdlg32
GetOpenFileNameW
advapi32
OpenServiceW
AdjustTokenPrivileges
LookupPrivilegeValueW
RegOpenKeyExW
RegCloseKey
RegQueryValueExW
OpenSCManagerW
QueryServiceConfigW
CloseServiceHandle
OpenProcessToken
shell32
SHGetKnownFolderPath
SHGetPathFromIDListW
SHBrowseForFolderW
ShellExecuteA
ShellExecuteW
ole32
CoTaskMemFree
StringFromGUID2
msvcp140
?sputn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QAE_JPBD_J@Z
?snextc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QAEHXZ
?_Ipfx@?$basic_istream@DU?$char_traits@D@std@@@std@@QAE_N_N@Z
??5?$basic_istream@DU?$char_traits@D@std@@@std@@QAEAAV01@AAH@Z
??5?$basic_istream@DU?$char_traits@D@std@@@std@@QAEAAV01@AA_N@Z
??5?$basic_istream@DU?$char_traits@D@std@@@std@@QAEAAV01@P6AAAVios_base@1@AAV21@@Z@Z
??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QAEAAV01@H@Z
??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QAEAAV01@_N@Z
??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QAEAAV01@P6AAAVios_base@1@AAV21@@Z@Z
?imbue@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MAEXABVlocale@2@@Z
?setbuf@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MAEPAV12@PAD_J@Z
?_LogWorkItemCompleted@_TaskEventLogger@details@Concurrency@@QAEXXZ
?_LogWorkItemStarted@_TaskEventLogger@details@Concurrency@@QAEXXZ
?_LogTaskCompleted@_TaskEventLogger@details@Concurrency@@QAEXXZ
?_LogTaskExecutionCompleted@_TaskEventLogger@details@Concurrency@@QAEXXZ
_Xtime_get_ticks
?_LogCancelTask@_TaskEventLogger@details@Concurrency@@QAEXXZ
?_LogScheduleTask@_TaskEventLogger@details@Concurrency@@QAEX_N@Z
?_Capture@_ContextCallback@details@Concurrency@@AAEXXZ
?_CallInContext@_ContextCallback@details@Concurrency@@QBEXV?$function@$$A6AXXZ@std@@_N@Z
?_Schedule_chore@details@Concurrency@@YAHPAU_Threadpool_chore@12@@Z
?_Release_chore@details@Concurrency@@YAXPAU_Threadpool_chore@12@@Z
?GetCurrentThreadId@platform@details@Concurrency@@YAJXZ
_Mtx_current_owns
?_Throw_Cpp_error@std@@YAXH@Z
_Cnd_timedwait
?put@?$basic_ostream@DU?$char_traits@D@std@@@std@@QAEAAV12@D@Z
?flush@?$basic_ostream@DU?$char_traits@D@std@@@std@@QAEAAV12@XZ
?widen@?$basic_ios@DU?$char_traits@D@std@@@std@@QBEDD@Z
??0?$basic_ostream@DU?$char_traits@D@std@@@std@@QAE@PAV?$basic_streambuf@DU?$char_traits@D@std@@@1@_N@Z
??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QAEAAV01@P6AAAV01@AAV01@@Z@Z
?get@?$basic_istream@DU?$char_traits@D@std@@@std@@QAEHXZ
_Cnd_init_in_situ
?_Xbad_alloc@std@@YAXXZ
_Query_perf_frequency
_Query_perf_counter
??0task_continuation_context@Concurrency@@AAE@XZ
?_Reset@_ContextCallback@details@Concurrency@@AAEXXZ
?seekg@?$basic_istream@DU?$char_traits@D@std@@@std@@QAEAAV12@V?$fpos@U_Mbstatet@@@2@@Z
?_Osfx@?$basic_ostream@DU?$char_traits@D@std@@@std@@QAEXXZ
?__ExceptionPtrDestroy@@YAXPAX@Z
?_Xlength_error@std@@YAXPBD@Z
??1?$basic_ios@DU?$char_traits@D@std@@@std@@UAE@XZ
?xsputn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MAE_JPBD_J@Z
?xsgetn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MAE_JPAD_J@Z
?_Pninc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IAEPADXZ
??1?$basic_streambuf@DU?$char_traits@D@std@@@std@@UAE@XZ
??1?$basic_istream@DU?$char_traits@D@std@@@std@@UAE@XZ
?always_noconv@codecvt_base@std@@QBE_NXZ
?_Fiopen@std@@YAPAU_iobuf@@PB_WHH@Z
?_Xout_of_range@std@@YAXPBD@Z
??1_Lockit@std@@QAE@XZ
??0_Lockit@std@@QAE@H@Z
?_Getgloballocale@locale@std@@CAPAV_Locimp@12@XZ
??Bid@locale@std@@QAEIXZ
?id@?$codecvt@DDU_Mbstatet@@@std@@2V0locale@2@A
?showmanyc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MAE_JXZ
?_Getcat@?$codecvt@DDU_Mbstatet@@@std@@SAIPAPBVfacet@locale@2@PBV42@@Z
?unshift@?$codecvt@DDU_Mbstatet@@@std@@QBEHAAU_Mbstatet@@PAD1AAPAD@Z
??0?$basic_streambuf@DU?$char_traits@D@std@@@std@@IAE@XZ
?getloc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QBE?AVlocale@2@XZ
?_Init@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IAEXXZ
?in@?$codecvt@DDU_Mbstatet@@@std@@QBEHAAU_Mbstatet@@PBD1AAPBDPAD3AAPAD@Z
?out@?$codecvt@DDU_Mbstatet@@@std@@QBEHAAU_Mbstatet@@PBD1AAPBDPAD3AAPAD@Z
?setstate@?$basic_ios@DU?$char_traits@D@std@@@std@@QAEXH_N@Z
??0?$basic_ios@DU?$char_traits@D@std@@@std@@IAE@XZ
??0?$basic_istream@DU?$char_traits@D@std@@@std@@QAE@PAV?$basic_streambuf@DU?$char_traits@D@std@@@1@_N@Z
?read@?$basic_istream@DU?$char_traits@D@std@@@std@@QAEAAV12@PAD_J@Z
?seekg@?$basic_istream@DU?$char_traits@D@std@@@std@@QAEAAV12@_JH@Z
?tellg@?$basic_istream@DU?$char_traits@D@std@@@std@@QAE?AV?$fpos@U_Mbstatet@@@2@XZ
??1?$codecvt@_WDU_Mbstatet@@@std@@MAE@XZ
?_Decref@facet@locale@std@@UAEPAV_Facet_base@3@XZ
?_Init@locale@std@@CAPAV_Locimp@12@_N@Z
??0?$codecvt@_WDU_Mbstatet@@@std@@QAE@I@Z
?out@?$codecvt@_WDU_Mbstatet@@@std@@QBEHAAU_Mbstatet@@PB_W1AAPB_WPAD3AAPAD@Z
?_Incref@facet@locale@std@@UAEXXZ
?_New_Locimp@_Locimp@locale@std@@CAPAV123@ABV123@@Z
?_Addfac@_Locimp@locale@std@@AAEXPAVfacet@23@I@Z
?id@?$codecvt@_WDU_Mbstatet@@@std@@2V0locale@2@A
??4?$_Yarn@D@std@@QAEAAV01@PBD@Z
?in@?$codecvt@_WDU_Mbstatet@@@std@@QBEHAAU_Mbstatet@@PBD1AAPBDPA_W3AAPA_W@Z
_Mtx_destroy_in_situ
_Mtx_init_in_situ
_Mtx_lock
?_Throw_C_error@std@@YAXH@Z
_Mtx_unlock
??1?$basic_ostream@DU?$char_traits@D@std@@@std@@UAE@XZ
?__ExceptionPtrCopy@@YAXPAXPBX@Z
?_Rethrow_future_exception@std@@YAXVexception_ptr@1@@Z
?__ExceptionPtrToBool@@YA_NPBX@Z
_Cnd_wait
?_Syserror_map@std@@YAPBDH@Z
?_Throw_future_error@std@@YAXABVerror_code@1@@Z
_Cnd_unregister_at_thread_exit
_Cnd_destroy_in_situ
_Cnd_broadcast
_Cnd_register_at_thread_exit
?_Xruntime_error@std@@YAXPBD@Z
?_Makeloc@_Locimp@locale@std@@CAPAV123@ABV_Locinfo@3@HPAV123@PBV23@@Z
?_Getname@_Locinfo@std@@QBEPBDXZ
??1_Locinfo@std@@QAE@XZ
??0_Locinfo@std@@QAE@HPBD@Z
?_New_Locimp@_Locimp@locale@std@@CAPAV123@_N@Z
?uflow@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MAEHXZ
?_Getcat@?$ctype@D@std@@SAIPAPBVfacet@locale@2@PBV42@@Z
?id@?$ctype@D@std@@2V0locale@2@A
?sputc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QAEHD@Z
?uncaught_exception@std@@YA_NXZ
?_Unlock@?$basic_streambuf@DU?$char_traits@D@std@@@std@@UAEXXZ
?_Lock@?$basic_streambuf@DU?$char_traits@D@std@@@std@@UAEXXZ
?sync@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MAEHXZ
?sgetc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QAEHXZ
?sbumpc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QAEHXZ
?__ExceptionPtrRethrow@@YAXPBX@Z
?__ExceptionPtrCurrentException@@YAXPAX@Z
?__ExceptionPtrCreate@@YAXPAX@Z
?_ReportUnobservedException@details@Concurrency@@YAXXZ
?ReportUnhandledError@_ExceptionHolder@details@Concurrency@@AAEXXZ
?__ExceptionPtrAssign@@YAXPAXPBX@Z
?_Xbad_function_call@std@@YAXXZ
imm32
ImmReleaseContext
ImmSetCompositionWindow
ImmGetContext
vcruntime140
__CxxFrameHandler3
__std_terminate
strstr
__std_exception_copy
__std_exception_destroy
_purecall
__current_exception
__current_exception_context
_except_handler4_common
memset
_CxxThrowException
memchr
memmove
memcpy
api-ms-win-crt-heap-l1-1-0
_callnewh
_set_new_mode
malloc
free
api-ms-win-crt-string-l1-1-0
strncpy
_wcsicmp
wcsnlen
wcsncpy_s
wcscat_s
wcscpy_s
api-ms-win-crt-stdio-l1-1-0
fgetpos
__stdio_common_vfprintf
ftell
fclose
_wfopen
__stdio_common_vsprintf
_set_fmode
__stdio_common_vswprintf_s
ungetc
_fseeki64
fsetpos
__p__commode
fputc
setvbuf
fseek
fread
fwrite
__stdio_common_vsprintf_s
__acrt_iob_func
_get_stream_buffer_pointers
fgetc
fflush
__stdio_common_vsscanf
api-ms-win-crt-utility-l1-1-0
qsort
api-ms-win-crt-runtime-l1-1-0
_invalid_parameter_noinfo_noreturn
_register_thread_local_exe_atexit_callback
_c_exit
_exit
exit
_initterm_e
_initterm
_get_narrow_winmain_command_line
abort
terminate
_set_app_type
_configure_narrow_argv
_initialize_narrow_environment
_initialize_onexit_table
_register_onexit_function
_crt_atexit
_cexit
_seh_filter_exe
_controlfp_s
api-ms-win-crt-filesystem-l1-1-0
_unlock_file
_lock_file
api-ms-win-crt-math-l1-1-0
ceil
_libm_sse2_cos_precise
_libm_sse2_acos_precise
floor
__setusermatherr
_libm_sse2_sin_precise
_libm_sse2_sqrt_precise
_CIfmod
api-ms-win-crt-locale-l1-1-0
_configthreadlocale
Sections
.text Size: 317KB - Virtual size: 317KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.inj_sec Size: 512B - Virtual size: 387B
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 175KB - Virtual size: 174KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 5KB - Virtual size: 7KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 1.2MB - Virtual size: 1.2MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 13KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ