Static task
static1
Behavioral task
behavioral1
Sample
RuntimeBroker.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
RuntimeBroker.exe
Resource
win10v2004-20230220-en
General
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Target
RuntimeBroker.exe
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Size
355KB
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MD5
1ed7a077054afe0caf98b61b7d918fad
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SHA1
fbf4a6dbc17ccc9de7454374e4db50b557308461
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SHA256
09759215398bab47c64737b6b5384e4561caaca6a4bf20798b6adf53d62ffe84
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SHA512
47addf35f9a3e2052a5c1a9179b8411efb80c7660c057fc8ff31f51e2e2bce177d7af840db12d91fc1d7d57e450617604aaec456418d868dabc118c62f362edf
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SSDEEP
6144:oSncRlJduxsEhdgtQBVMsp5z+ZHFnNDB2AxGwmV8FeQTLJ47hIJcX6gbyZXL:h4L2sAgtmVrp5qZHtNtFmmFNTLJ4FCEu
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource RuntimeBroker.exe
Files
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RuntimeBroker.exe.exe windows x86
9222d372923baed7aa9dfa28449a94ea
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
kernel32
CreateFileA
FindResourceA
FreeLibrary
LoadResource
WriteFile
SizeofResource
GetProcAddress
LoadLibraryA
LockResource
EnumResourceNamesA
CloseHandle
FreeResource
GetWindowsDirectoryA
OutputDebugStringA
GetTempPathA
GetModuleHandleW
ExitProcess
DecodePointer
EncodePointer
GetCommandLineA
HeapSetInformation
GetStartupInfoW
RaiseException
TerminateProcess
GetCurrentProcess
UnhandledExceptionFilter
SetUnhandledExceptionFilter
IsDebuggerPresent
HeapAlloc
GetLastError
HeapFree
IsProcessorFeaturePresent
InitializeCriticalSectionAndSpinCount
DeleteCriticalSection
LeaveCriticalSection
EnterCriticalSection
LoadLibraryW
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
InterlockedIncrement
SetLastError
GetCurrentThreadId
InterlockedDecrement
GetStdHandle
GetModuleFileNameW
Sleep
HeapSize
GetModuleFileNameA
FreeEnvironmentStringsW
WideCharToMultiByte
GetEnvironmentStringsW
SetHandleCount
GetFileType
HeapCreate
QueryPerformanceCounter
GetTickCount
GetCurrentProcessId
GetSystemTimeAsFileTime
RtlUnwind
GetCPInfo
GetACP
GetOEMCP
IsValidCodePage
HeapReAlloc
LCMapStringW
MultiByteToWideChar
GetStringTypeW
shell32
ShellExecuteA
SHGetSpecialFolderPathA
Sections
.text Size: 30KB - Virtual size: 30KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 12KB - Virtual size: 12KB
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
.rsrc Size: 303KB - Virtual size: 302KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 5KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ