Runtime Broker[.]exe

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General

Target

Runtime Broker.exe
Size

7.4MB
MD5

e406dbf82bfcdb93aef22514e0a28986
SHA1

0c0f8152f3462b662318566cdd2f62d8e350a15e
SHA256

3f424b477ac16463e871726cbb106d41574d2d0e910dee035fbd23241515e770
SHA512

a0d4210f5cdb79521203e0620539a165264d54137bd778f0774b16f41cdbccee3e3d2950b8e30a41abef6b67edbe1d788666289eeb165853cd98ee41181ed402
SSDEEP

98304:0znrTkHXr5t74aveh0M9i+QDU2O1elfzwEoTlmFmEv6UB:04HXAyMg+X1elWEC

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
Runtime Broker.exe

Files

Runtime Broker.exe
.exe windows:6 windows x64 arch:x64

Password: 1

e0dc128ee140549607134b0eb5bfeb8c

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_DEBUG_STRIPPED

PDB Paths

Imports

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

_set_new_mode
calloc
free
malloc
realloc

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

__C_specific_handler
memchr
memcmp
memcpy
memmove
strchr
strrchr
strstr
wcsstr

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

__p___argc
__p___argv
__p___wargv
__p__acmdln
_beginthread
_cexit
_configure_narrow_argv
_configure_wide_argv
_crt_at_quick_exit
_crt_atexit
_endthread
_errno
_exit
_getpid
_initialize_narrow_environment
_initialize_wide_environment
_initterm
_set_app_type
_set_invalid_parameter_handler
abort
exit
raise
signal
strerror

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

__acrt_iob_func
__p__commode
__p__fmode
__stdio_common_vfprintf
__stdio_common_vfwprintf
__stdio_common_vsprintf
__stdio_common_vsscanf
__stdio_common_vswprintf
_chsize
_close
_fileno
_getcwd
_locking
_lseek
_lseeki64
_open
_read
_setmode
_wfopen
_write
fclose
feof
ferror
fflush
fgetc
fgets
fopen
fputc
fputs
fread
fseek
ftell
fwrite
getc
puts
ungetc

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

_strdup
_stricmp
_strnicmp
isdigit
islower
isspace
isupper
isxdigit
mbrlen
memset
strcat
strcmp
strcpy
strcspn
strlen
strncmp
strncpy
strpbrk
strspn
tolower
wcscpy
wcslen

kernel32

AcquireSRWLockExclusive
CloseHandle
ConvertFiberToThread
ConvertThreadToFiber
CreateFiber
CreateFileA
CreateFileMappingA
CreateIoCompletionPort
CreateNamedPipeA
CreateProcessA
CreateSemaphoreA
CreateWaitableTimerA
DeleteCriticalSection
DeleteFiber
EnterCriticalSection
FindClose
FindFirstFileA
FindFirstFileW
FindNextFileA
FindNextFileW
FormatMessageA
FormatMessageW
FreeLibrary
GetConsoleMode
GetCurrentProcessId
GetCurrentThreadId
GetEnvironmentVariableW
GetExitCodeProcess
GetFileSize
GetFileType
GetLastError
GetModuleFileNameA
GetModuleHandleA
GetModuleHandleExW
GetModuleHandleW
GetProcAddress
GetQueuedCompletionStatus
GetStartupInfoA
GetStdHandle
GetSystemDirectoryA
GetSystemInfo
GetSystemTime
GetSystemTimeAsFileTime
GetTickCount
GetTimeZoneInformation
GetVersion
GetVersionExA
GlobalMemoryStatusEx
HeapSetInformation
InitializeConditionVariable
InitializeCriticalSection
InitializeCriticalSectionAndSpinCount
InitializeSRWLock
LeaveCriticalSection
LoadLibraryA
LoadLibraryW
LocalAlloc
LocalFree
MapViewOfFile
MultiByteToWideChar
OpenProcess
PostQueuedCompletionStatus
QueryPerformanceCounter
QueryPerformanceFrequency
ReadConsoleA
ReadConsoleW
ReadFileEx
ReleaseSRWLockExclusive
ReleaseSemaphore
RtlVirtualUnwind
SetConsoleCtrlHandler
SetConsoleMode
SetHandleInformation
SetLastError
SetUnhandledExceptionFilter
SetWaitableTimer
Sleep
SleepConditionVariableSRW
SleepEx
SwitchToFiber
SystemTimeToFileTime
TerminateProcess
TlsAlloc
TlsFree
TlsGetValue
TlsSetValue
UnmapViewOfFile
VirtualLock
VirtualProtect
VirtualQuery
WaitForSingleObject
WakeAllConditionVariable
WakeConditionVariable
WideCharToMultiByte
WriteFile
WriteFileEx

ws2_32

WSACleanup
WSAGetLastError
WSAIoctl
WSASetLastError
WSAStartup
accept
bind
closesocket
connect
freeaddrinfo
getaddrinfo
gethostbyname
gethostname
getnameinfo
getprotobynumber
getservbyname
getsockname
getsockopt
htonl
htons
ioctlsocket
listen
ntohl
ntohs
recv
recvfrom
select
send
sendto
setsockopt
socket

advapi32

CryptAcquireContextA
CryptAcquireContextW
CryptGenRandom
CryptReleaseContext
DeregisterEventSource
RegCloseKey
RegOpenKeyExA
RegQueryValueExA
RegisterEventSourceW
ReportEventW

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

__setusermatherr
_fdopen
frexp

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

__p__environ
__p__wenviron
getenv

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

__daylight
__timezone
__tzname
_gmtime64
_gmtime64_s
_localtime64
_mktime64
_time64
_tzset
_utime64
strftime

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

atoi
mbrtowc
strtol
strtoul
wcrtomb
wcstombs

shell32

SHGetMalloc
SHGetPathFromIDListA
SHGetSpecialFolderLocation
SHGetSpecialFolderPathA

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

abs
labs
qsort

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

_fstat64
_fullpath
_lock_file
_mkdir
_stat64
_unlink
_unlock_file
rename

shlwapi

PathMatchSpecA

iphlpapi

GetAdaptersAddresses
if_nametoindex

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

localeconv

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

_getwch
_putch

user32

GetProcessWindowStation
GetUserObjectInformationW
MessageBoxW

Sections

.text
Size: 6.0MB - Virtual size: 6.0MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 1.2MB - Virtual size: 1.2MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.buildid
Size: 512B - Virtual size: 53B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 73KB - Virtual size: 116KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 152KB - Virtual size: 151KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.tls
Size: 512B - Virtual size: 16B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 512B - Virtual size: 380B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 30KB - Virtual size: 29KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

Password: 1

e0dc128ee140549607134b0eb5bfeb8c

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

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

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

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

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

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

kernel32

ws2_32

advapi32

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

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

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

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

shell32

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

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

shlwapi

iphlpapi

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

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

user32

Sections

.text Size: 6.0MB - Virtual size: 6.0MB

.rdata Size: 1.2MB - Virtual size: 1.2MB

.buildid Size: 512B - Virtual size: 53B

.data Size: 73KB - Virtual size: 116KB

.pdata Size: 152KB - Virtual size: 151KB

.tls Size: 512B - Virtual size: 16B

.rsrc Size: 512B - Virtual size: 380B

.reloc Size: 30KB - Virtual size: 29KB

.text
Size: 6.0MB - Virtual size: 6.0MB

.rdata
Size: 1.2MB - Virtual size: 1.2MB

.buildid
Size: 512B - Virtual size: 53B

.data
Size: 73KB - Virtual size: 116KB

.pdata
Size: 152KB - Virtual size: 151KB

.tls
Size: 512B - Virtual size: 16B

.rsrc
Size: 512B - Virtual size: 380B

.reloc
Size: 30KB - Virtual size: 29KB