BlazorWAssWithApi[.]Server[.]exe

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General

Target

BlazorWAssWithApi.Server.exe
Size

170KB
MD5

d8f78871b20ceb885402abc939a48594
SHA1

ec4a16e48e79ffa46241661a16651c318e5cdf04
SHA256

15057207b72471c0a4d1a7cbdb58380f8b6a3079a850b9d797eb727f98a2eaa8
SHA512

389dba6275fe575ee95bc93b5718e3eb11de31004b6381bb754d88fcac6a9f9ec724b3468f33f1faba603e536fb2957a5fa880e6a82b463a6d457a28cbfaeb55
SSDEEP

3072:16eSqsywT/IiODn5Ikt8pKO9WpheWyutIRmcc5vuFxu:1LDn5I7p8hens+

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
BlazorWAssWithApi.Server.exe

Files

BlazorWAssWithApi.Server.exe
.exe windows x64

7d19699275e08b389d5869dc7132efbc

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
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_LARGE_ADDRESS_AWARE

Imports

kernel32

FindClose
FindFirstFileExW
FindNextFileW
GetFileAttributesExW
GetFullPathNameW
GetTempPathW
GetLastError
InitializeCriticalSection
EnterCriticalSection
LeaveCriticalSection
GetEnvironmentVariableW
GetCurrentProcess
IsWow64Process
GetModuleFileNameW
GetModuleHandleExW
GetProcAddress
LoadLibraryExW
LoadLibraryA
MultiByteToWideChar
WideCharToMultiByte
FreeLibrary
RtlUnwindEx
RaiseException
OutputDebugStringW
GetModuleHandleW
GetCurrentProcessId
Sleep
RemoveDirectoryW
DeleteCriticalSection
CreateDirectoryW
RtlPcToFileHeader
InitializeSListHead
GetCurrentThreadId
QueryPerformanceCounter
IsDebuggerPresent
IsProcessorFeaturePresent
TerminateProcess
SetUnhandledExceptionFilter
UnhandledExceptionFilter
RtlVirtualUnwind
RtlLookupFunctionEntry
RtlCaptureContext
LCMapStringW
GetSystemTimeAsFileTime
TlsFree
TlsSetValue
TlsGetValue
TlsAlloc
SwitchToThread
InitializeCriticalSectionAndSpinCount
SetLastError
DecodePointer
EncodePointer
GetStringTypeW

user32

MessageBoxW

shell32

ShellExecuteW

advapi32

RegOpenKeyExW
RegCloseKey
ReportEventW
RegisterEventSourceW
DeregisterEventSource
RegGetValueW

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

_initialize_wide_environment
_set_app_type
_invalid_parameter_noinfo_noreturn
_seh_filter_exe
_cexit
_crt_atexit
_register_onexit_function
terminate
_configure_wide_argv
exit
_exit
__p___argc
__p___wargv
_c_exit
_register_thread_local_exe_atexit_callback
abort
_get_initial_wide_environment
_errno
_initterm
_initialize_onexit_table
_initterm_e

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

malloc
calloc
free
_callnewh
_set_new_mode

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

__setusermatherr
frexp

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

_wfopen
__stdio_common_vswprintf
fclose
fread
fseek
fwrite
__acrt_iob_func
_set_fmode
fputwc
fputws
__stdio_common_vfwprintf
fflush
__p__commode
__stdio_common_vsprintf_s

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

_wcsicmp
_wcsdup
_wcsnicmp
wcsncmp
strcspn
wcsnlen
memset
strcpy_s

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

_unlock_locales
__pctype_func
___lc_locale_name_func
___mb_cur_max_func
setlocale
_configthreadlocale
_lock_locales
localeconv
___lc_codepage_func

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

_wremove
_wrename

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

_wtoi
wcstoul

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

wcsftime
_gmtime64
_time64

Sections

.text
Size: 95KB - Virtual size: 95KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 61KB - Virtual size: 60KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 3KB - Virtual size: 6KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 6KB - Virtual size: 5KB

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: 2KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

7d19699275e08b389d5869dc7132efbc

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

shell32

advapi32

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

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

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

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

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

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

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

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

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

Sections

.text Size: 95KB - Virtual size: 95KB

.rdata Size: 61KB - Virtual size: 60KB

.data Size: 3KB - Virtual size: 6KB

.pdata Size: 6KB - Virtual size: 5KB

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

.reloc Size: 2KB - Virtual size: 1KB

.text
Size: 95KB - Virtual size: 95KB

.rdata
Size: 61KB - Virtual size: 60KB

.data
Size: 3KB - Virtual size: 6KB

.pdata
Size: 6KB - Virtual size: 5KB

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

.reloc
Size: 2KB - Virtual size: 1KB