rundll32[.]exe

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General

Target

rundll32.exe
Size

88KB
MD5

c87fa6fc1d294962eabe44509fe1921c
SHA1

2197320a760434cc1c1d6417e3eee002c8fa6986
SHA256

8e85143200661cf44256482afa9b9250460925188dcb06ab7b7f2a936200fe35
SHA512

e350906634141a78a859dbccfd47d672bc054e0545979bb257392071a79d10b3697afdeb49b0ba02ea26c912932aaac9d4fdc038cba27dc012310f09643325a2
SSDEEP

1536:n5EmHGioiINMoUhZ+/qHQnKebBDRwScTM4bdpUOmA2s2R:5EJiJImT+KMBSSUM48rAyR

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
rundll32.exe

Files

rundll32.exe
.exe windows:10 windows x64 arch:x64

a8a8e3395664ba9cfc8a096eb7ad9869

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

PDB Paths

rundll32.pdb

Imports

msvcrt

__wgetmainargs
memcmp
_vsnwprintf
__set_app_type
_exit
?terminate@@YAXXZ
_cexit
_onexit
__dllonexit
_fmode
__setusermatherr
_initterm
_commode
__CxxFrameHandler3
_unlock
__C_specific_handler
_wcmdln
_lock
_amsg_exit
_XcptFilter
free
_purecall
_wtoi
memcpy_s
exit
_callnewh
malloc
memmove_s
memset

api-ms-win-core-com-l1-1-0

CoInitializeSecurity
CoRevokeClassObject
CoInitializeEx
CoReleaseServerProcess
CoResumeClassObjects
CLSIDFromString
CoWaitForMultipleHandles
CoUninitialize
CoCreateInstance
CoRegisterClassObject
CoAddRefServerProcess

api-ms-win-core-file-l1-1-0

CreateFileW
ReadFile
GetFileAttributesW
SetFilePointer

api-ms-win-core-libraryloader-l1-2-0

LoadStringW
GetProcAddress
GetModuleHandleExW
FreeLibrary
LoadLibraryExW
GetModuleHandleW
GetModuleFileNameA

api-ms-win-core-wow64-l1-1-1

IsWow64Process2
GetSystemWow64Directory2W

api-ms-win-core-synch-l1-2-0

InitOnceExecuteOnce
Sleep

api-ms-win-core-synch-l1-1-0

ReleaseSemaphore
CreateMutexExW
WaitForSingleObject
InitializeCriticalSectionEx
DeleteCriticalSection
ReleaseSRWLockShared
OpenSemaphoreW
WaitForSingleObjectEx
AcquireSRWLockExclusive
EnterCriticalSection
LeaveCriticalSection
SetEvent
ReleaseMutex
CreateEventW
ReleaseSRWLockExclusive
CreateSemaphoreExW
AcquireSRWLockShared

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

HeapAlloc
HeapSetInformation
HeapFree
GetProcessHeap

api-ms-win-core-errorhandling-l1-1-0

SetUnhandledExceptionFilter
UnhandledExceptionFilter
GetLastError
SetErrorMode
SetLastError

api-ms-win-core-processenvironment-l1-1-0

SearchPathW
GetCommandLineW

api-ms-win-core-processthreads-l1-1-0

UpdateProcThreadAttribute
GetCurrentProcessId
GetCurrentProcess
ExitProcess
GetCurrentThreadId
GetStartupInfoW
CreateProcessW
TerminateProcess
InitializeProcThreadAttributeList
DeleteProcThreadAttributeList

api-ms-win-core-util-l1-1-0

DecodePointer
EncodePointer

api-ms-win-core-heap-l2-1-0

LocalAlloc
LocalFree

api-ms-win-core-sysinfo-l1-1-0

GetTickCount
GetSystemTimeAsFileTime
GetSystemDirectoryW

api-ms-win-core-wow64-l1-1-0

Wow64EnableWow64FsRedirection

api-ms-win-core-winrt-error-l1-1-0

RoOriginateErrorW
RoOriginateError

api-ms-win-core-localization-l1-2-0

FormatMessageW

api-ms-win-core-console-l1-2-0

FreeConsole
AttachConsole

api-ms-win-core-debug-l1-1-0

OutputDebugStringW
IsDebuggerPresent
DebugBreak

api-ms-win-core-handle-l1-1-0

CloseHandle

api-ms-win-core-path-l1-1-0

PathCchAppend

api-ms-win-core-console-l1-1-0

WriteConsoleW

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

WideCharToMultiByte
CompareStringW

api-ms-win-core-rtlsupport-l1-1-0

RtlCaptureContext
RtlVirtualUnwind
RtlLookupFunctionEntry

api-ms-win-core-profile-l1-1-0

QueryPerformanceCounter

api-ms-win-core-string-l2-1-0

CharNextW

api-ms-win-core-threadpool-l1-2-0

CloseThreadpoolTimer
SetThreadpoolTimer
WaitForThreadpoolTimerCallbacks
CreateThreadpoolTimer

api-ms-win-core-sidebyside-l1-1-0

QueryActCtxW
DeactivateActCtx
ActivateActCtx
CreateActCtxW
ReleaseActCtx

api-ms-win-downlevel-shlwapi-l1-1-0

PathIsRelativeW

api-ms-win-downlevel-shlwapi-l2-1-0

SHSetThreadRef

imagehlp

ImageDirectoryEntryToData

ntdll

NtClose
NtOpenProcessToken
RtlNtStatusToDosError
NtSetInformationToken
RtlSetSearchPathMode
RtlWow64IsWowGuestMachineSupported
RtlImageNtHeader
NtQuerySystemInformation
NtQueryInformationToken

api-ms-win-core-delayload-l1-1-1

ResolveDelayLoadedAPI

api-ms-win-core-delayload-l1-1-0

DelayLoadFailureHook

api-ms-win-core-apiquery-l1-1-0

ApiSetQueryApiSetPresence

Sections

.text
Size: 48KB - Virtual size: 44KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 16KB - Virtual size: 15KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 4KB - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 4KB - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.didat
Size: 4KB - Virtual size: 248B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 4KB - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 4KB - Virtual size: 292B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

a8a8e3395664ba9cfc8a096eb7ad9869

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

msvcrt

api-ms-win-core-com-l1-1-0

api-ms-win-core-file-l1-1-0

api-ms-win-core-libraryloader-l1-2-0

api-ms-win-core-wow64-l1-1-1

api-ms-win-core-synch-l1-2-0

api-ms-win-core-synch-l1-1-0

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

api-ms-win-core-errorhandling-l1-1-0

api-ms-win-core-processenvironment-l1-1-0

api-ms-win-core-processthreads-l1-1-0

api-ms-win-core-util-l1-1-0

api-ms-win-core-heap-l2-1-0

api-ms-win-core-sysinfo-l1-1-0

api-ms-win-core-wow64-l1-1-0

api-ms-win-core-winrt-error-l1-1-0

api-ms-win-core-localization-l1-2-0

api-ms-win-core-console-l1-2-0

api-ms-win-core-debug-l1-1-0

api-ms-win-core-handle-l1-1-0

api-ms-win-core-path-l1-1-0

api-ms-win-core-console-l1-1-0

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

api-ms-win-core-rtlsupport-l1-1-0

api-ms-win-core-profile-l1-1-0

api-ms-win-core-string-l2-1-0

api-ms-win-core-threadpool-l1-2-0

api-ms-win-core-sidebyside-l1-1-0

api-ms-win-downlevel-shlwapi-l1-1-0

api-ms-win-downlevel-shlwapi-l2-1-0

imagehlp

ntdll

api-ms-win-core-delayload-l1-1-1

api-ms-win-core-delayload-l1-1-0

api-ms-win-core-apiquery-l1-1-0

Sections

.text Size: 48KB - Virtual size: 44KB

.rdata Size: 16KB - Virtual size: 15KB

.data Size: 4KB - Virtual size: 2KB

.pdata Size: 4KB - Virtual size: 2KB

.didat Size: 4KB - Virtual size: 248B

.rsrc Size: 4KB - Virtual size: 2KB

.reloc Size: 4KB - Virtual size: 292B

.text
Size: 48KB - Virtual size: 44KB

.rdata
Size: 16KB - Virtual size: 15KB

.data
Size: 4KB - Virtual size: 2KB

.pdata
Size: 4KB - Virtual size: 2KB

.didat
Size: 4KB - Virtual size: 248B

.rsrc
Size: 4KB - Virtual size: 2KB

.reloc
Size: 4KB - Virtual size: 292B