rfhutil[.]exe | Triage

Sharing

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General

Target

rfhutil.exe
Size

2.4MB
MD5

e7a9eea4caca8d8e090a01770167dc05
SHA1

b99677a87c3545497c4f8a76033e9dadb1c35020
SHA256

2fb2588bc60bceb11c8045ff14057e56f1eee4f8fc2bbccf31fdc2610ad71e97
SHA512

b484dd7c473776eb02a75921387c3234f98506f385dee5a6ea178a6aadf751c7d617da159a1c7e301fab1243ccc7a987441f3c29690042f626abd277463963d2
SSDEEP

49152:nTObK3DOm4f5XVbRo3e1v2qW4khqJF81jEnpyLmuPZXNRQRddydzWEYo3/AC+bJK:nTOx5XVbRo3F34kh481jEnpEPZXNRQRK

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
rfhutil.exe

Files

rfhutil.exe
.exe windows x86

adda8af23cbaa083b7eb7764f8e58e1d

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

version

GetFileVersionInfoA
GetFileVersionInfoSizeA
VerQueryValueA

kernel32

GetConsoleMode
GetStringTypeW
GetTimeZoneInformation
FreeEnvironmentStringsW
GetEnvironmentStringsW
IsProcessorFeaturePresent
CompareStringW
WriteConsoleW
GetProcessHeap
CreateFileW
Sleep
GetExitCodeThread
QueryPerformanceCounter
WideCharToMultiByte
EnumSystemCodePagesA
GetACP
MultiByteToWideChar
QueryPerformanceFrequency
FindResourceW
FreeLibrary
LoadResource
GetCurrentProcess
GlobalLock
GlobalAlloc
SetHandleCount
SizeofResource
CreateProcessA
ReadFile
GetEnvironmentVariableA
GlobalUnlock
GetStdHandle
GetLastError
GetProcAddress
EnterCriticalSection
GlobalFree
LoadLibraryA
LCMapStringW
CreatePipe
SetEnvironmentVariableA
DuplicateHandle
CloseHandle
Beep
GetLocaleInfoA
GetConsoleCP
InitializeCriticalSectionAndSpinCount
LeaveCriticalSection
GetConsoleOutputCP
GetModuleFileNameA
IsDebuggerPresent
SetUnhandledExceptionFilter
UnhandledExceptionFilter
TerminateProcess
GetFileType
SetStdHandle
HeapSize
HeapQueryInformation
ExitProcess
CreateThread
ExitThread
VirtualQuery
GetSystemInfo
VirtualAlloc
RaiseException
HeapReAlloc
RtlUnwind
GetStartupInfoW
HeapSetInformation
GetCommandLineA
DecodePointer
EncodePointer
GetSystemTimeAsFileTime
GetDateFormatA
GetTimeFormatA
HeapAlloc
HeapFree
DeleteCriticalSection
InterlockedIncrement
HeapCreate
LockResource
IsValidCodePage
SearchPathA
GetProfileIntA
InterlockedDecrement
SetLastError
GetTickCount
SetErrorMode
GetTempPathA
GetNumberFormatA
GetWindowsDirectoryA
GetFileSizeEx
LocalFileTimeToFileTime
GetFileAttributesExA
FileTimeToLocalFileTime
GetShortPathNameA
GetVolumeInformationA
FindFirstFileA
FindClose
GetFileSize
SetEndOfFile
UnlockFile
LockFile
FlushFileBuffers
SetFilePointer
WriteFile
MoveFileA
CreateFileA
lstrcmpiA
GetStringTypeExA
DeleteFileA
GetCurrentDirectoryA
FindResourceExW
GetOEMCP
GetCPInfo
TlsFree
LocalReAlloc
TlsSetValue
TlsAlloc
GlobalHandle
GlobalReAlloc
TlsGetValue
LocalAlloc
FileTimeToSystemTime
GetThreadLocale
lstrcpyA
GetSystemDirectoryW
InitializeCriticalSection
GlobalFlags
GetDiskFreeSpaceA
GetFullPathNameA
GetTempFileNameA
GetFileTime
SetFileTime
ReplaceFileA
SystemTimeToFileTime
GetFileAttributesA
GetPrivateProfileStringA
WritePrivateProfileStringA
GetPrivateProfileIntA
GetCurrentThread
GetUserDefaultUILanguage
ConvertDefaultLocale
GetSystemDefaultUILanguage
LoadLibraryExA
lstrcmpA
GetModuleHandleW
InterlockedExchange
GetCurrentProcessId
VirtualProtect
GlobalGetAtomNameA
GlobalAddAtomA
DeactivateActCtx
GlobalFindAtomA
GlobalDeleteAtom
CompareStringA
LoadLibraryW
lstrcmpW
CreateEventA
SuspendThread
SetEvent
WaitForSingleObject
GetCurrentThreadId
ResumeThread
SetThreadPriority
CopyFileA
GlobalSize
FormatMessageA
LocalFree
lstrlenW
MulDiv
GetModuleFileNameW
ReleaseActCtx
CreateActCtxW
FindResourceA
FreeResource
lstrlenA
GetVersionExA
GetModuleHandleA
ActivateActCtx

user32

WaitMessage
PostThreadMessageA
IsMenu
MonitorFromPoint
UpdateLayeredWindow
MapVirtualKeyExA
IsCharLowerA
LoadImageW
EmptyClipboard
SetClipboardData
RegisterClipboardFormatA
LockWindowUpdate
SetCursorPos
CreateAcceleratorTableA
GetKeyboardLayout
ToAsciiEx
DrawFrameControl
DrawEdge
DrawStateA
SetClassLongA
DestroyAcceleratorTable
SetWindowRgn
IsZoomed
DrawIconEx
GetIconInfo
NotifyWinEvent
EnableScrollBar
HideCaret
DrawFocusRect
InvertRect
GetMenuDefaultItem
GetNextDlgGroupItem
SetCapture
InvalidateRgn
CopyAcceleratorTableA
CharNextA
CharUpperA
LoadMenuW
LoadAcceleratorsW
KillTimer
SetTimer
UnionRect
SetParent
GetSystemMenu
DeleteMenu
IsRectEmpty
CopyImage
GetMenuItemInfoA
UnregisterClassA
LoadCursorW
SetLayeredWindowAttributes
EnumDisplayMonitors
LoadCursorA
GetSystemMetrics
GetSysColorBrush
RealChildWindowFromPoint
InflateRect
SetRect
SetWindowContextHelpId
UnpackDDElParam
ReuseDDElParam
LoadMenuA
DestroyMenu
LoadImageA
DestroyIcon
ReleaseCapture
InvalidateRect
IsIconic
InsertMenuItemA
CreatePopupMenu
OffsetRect
SetRectEmpty
BringWindowToTop
ShowOwnedPopups
SetCursor
MapVirtualKeyA
GetKeyNameTextA
EndPaint
BeginPaint
GetWindowDC
ClientToScreen
GrayStringA
DrawTextExA
DrawTextA
TabbedTextOutA
FillRect
GetWindowThreadProcessId
DefFrameProcA
GetAsyncKeyState
WindowFromPoint
ShowWindow
MoveWindow
SetWindowTextA
IsDialogMessageA
SetDlgItemTextA
GetDlgItemTextA
CheckDlgButton
LoadIconW
LoadIconA
SendDlgItemMessageA
WinHelpA
IsChild
GetCapture
GetClassLongA
GetClassNameA
SetPropA
GetPropA
RemovePropA
GetForegroundWindow
GetLastActivePopup
BeginDeferWindowPos
EndDeferWindowPos
GetTopWindow
GetMessageTime
GetMessagePos
MonitorFromWindow
GetMonitorInfoA
MapWindowPoints
ScrollWindow
TrackPopupMenu
SetMenu
SetScrollRange
GetScrollRange
SetForegroundWindow
ShowScrollBar
RedrawWindow
MessageBoxA
CreateWindowExA
GetClassInfoExA
GetClassInfoA
RegisterClassA
GetSysColor
AdjustWindowRectEx
ScreenToClient
EqualRect
DeferWindowPos
GetScrollInfo
SetScrollInfo
SetWindowPlacement
GetWindowPlacement
DefWindowProcA
CallWindowProcA
GetMenu
SetWindowPos
CopyRect
PtInRect
SetWindowsHookExA
CallNextHookEx
GetMessageA
TranslateMessage
DispatchMessageA
IsWindowVisible
GetKeyState
PeekMessageA
GetCursorPos
ValidateRect
GetMenuStringA
AppendMenuA
GetMenuItemID
InsertMenuA
GetMenuItemCount
GetSubMenu
DefMDIChildProcA
DrawMenuBar
GetWindowRgn
DestroyCursor
DrawIcon
SubtractRect
GetDoubleClickTime
CharUpperBuffA
CopyIcon
GetUpdateRect
RemoveMenu
UnhookWindowsHookEx
GetDesktopWindow
GetActiveWindow
SetActiveWindow
CreateDialogIndirectParamA
DestroyWindow
GetNextDlgTabItem
EndDialog
IsWindowEnabled
IsWindow
FrameRect
SetMenuDefaultItem
CreateMenu
MapDialogRect
TranslateMDISysAccel
SetMenuItemBitmaps
GetMenuCheckMarkDimensions
LoadBitmapW
ModifyMenuA
GetMenuState
EnableMenuItem
CheckMenuItem
GetWindowTextLengthA
GetWindowTextA
GetScrollPos
SetScrollPos
SetFocus
GetParent
OemToCharA
UpdateWindow
GetWindow
GetDC
ReleaseDC
SetCaretPos
SystemParametersInfoA
CloseClipboard
IsClipboardFormatAvailable
MessageBeep
GetClipboardData
OpenClipboard
RegisterWindowMessageA
GetWindowRect
PostQuitMessage
GetClientRect
SetWindowLongA
GetWindowLongA
GetDlgItem
GetFocus
SendMessageA
TranslateAcceleratorA
LoadAcceleratorsA
PostMessageA
EnableWindow
GetDlgCtrlID
IntersectRect
GetKeyboardState

gdi32

SetMapMode
GetClipBox
ExcludeClipRect
IntersectClipRect
LineTo
MoveToEx
SetTextAlign
GetLayout
SetLayout
SelectClipRgn
CreateRectRgn
GetViewportExtEx
GetWindowExtEx
BitBlt
GetPixel
PtVisible
RectVisible
TextOutA
ExtTextOutA
Escape
SetViewportOrgEx
OffsetViewportOrgEx
SetViewportExtEx
ScaleViewportExtEx
SetWindowOrgEx
OffsetWindowOrgEx
SetWindowExtEx
ScaleWindowExtEx
ExtSelectClipRgn
CreatePatternBrush
CreateCompatibleDC
GetStockObject
SelectPalette
GetObjectType
CreatePen
CreateHatchBrush
CreateRectRgnIndirect
CreateCompatibleBitmap
SetRectRgn
CombineRgn
CreateDIBitmap
EnumFontFamiliesA
GetTextCharsetInfo
GetTextExtentPoint32A
EnumFontFamiliesExA
GetBkColor
GetTextColor
GetRgnBox
CreatePalette
GetPaletteEntries
GetNearestPaletteIndex
RealizePalette
GetSystemPaletteEntries
CreateDIBSection
CreateRoundRectRgn
CreatePolygonRgn
CreateEllipticRgn
Polyline
Ellipse
Polygon
SetDIBColorTable
StretchBlt
SetPixel
OffsetRgn
GetWindowOrgEx
GetViewportOrgEx
PtInRegion
FillRgn
FrameRgn
GetBoundsRect
ExtFloodFill
SetPaletteEntries
SetPixelV
GetTextFaceA
SetPolyFillMode
SetROP2
SetBkMode
SetBkColor
SetTextColor
CopyMetaFileA
CreateBitmap
LPtoDP
CreateFontIndirectA
DPtoLP
GetMapMode
GetCurrentPositionEx
GetTextExtentExPointA
GetTextMetricsA
GetOutlineTextMetricsA
DeleteDC
CreateFontA
GetDeviceCaps
CreateDCA
DeleteObject
SelectObject
Rectangle
SaveDC
GetObjectA
PatBlt
CreateSolidBrush
RestoreDC

msimg32

AlphaBlend
TransparentBlt

comdlg32

GetFileTitleA

winspool.drv

DocumentPropertiesA
OpenPrinterA
ClosePrinter

advapi32

RegEnumValueA
RegOpenKeyExA
RegEnumKeyA
RegCloseKey
GetUserNameA
RegSetValueA
RegCreateKeyExA
RegSetValueExA
RegDeleteValueA
RegDeleteKeyA
RegEnumKeyExA
RegOpenKeyExW
RegQueryValueExA
GetFileSecurityA
SetFileSecurityA
RegQueryValueA

shell32

DragFinish
DragQueryFileA
SHAddToRecentDocs
ExtractIconA
SHGetFileInfoA
SHAppBarMessage
SHBrowseForFolderA
DragAcceptFiles
ShellExecuteA
SHGetSpecialFolderLocation
SHGetPathFromIDListA
SHGetDesktopFolder

comctl32

ord17
ImageList_GetIconSize

shlwapi

PathFindExtensionA
PathFindFileNameA
PathStripToRootA
PathRemoveFileSpecW
PathIsUNCA

ole32

OleIsCurrentClipboard
OleLockRunning
IsAccelerator
OleTranslateAccelerator
OleDestroyMenuDescriptor
OleCreateMenuDescriptor
OleInitialize
CoFreeUnusedLibraries
OleUninitialize
CreateStreamOnHGlobal
CreateILockBytesOnHGlobal
StgCreateDocfileOnILockBytes
StgOpenStorageOnILockBytes
CoGetClassObject
OleFlushClipboard
CLSIDFromString
CLSIDFromProgID
CoCreateGuid
OleDuplicateData
CoTaskMemAlloc
ReleaseStgMedium
StringFromCLSID
CoInitializeEx
CoCreateInstance
CoTaskMemFree
CoInitialize
CoUninitialize
CoRegisterMessageFilter
RevokeDragDrop
CoLockObjectExternal
RegisterDragDrop
OleGetClipboard
CoRevokeClassObject
DoDragDrop

oleaut32

VariantChangeType
SysAllocString
OleCreateFontIndirect
VarBstrFromDate
SystemTimeToVariantTime
VariantTimeToSystemTime
SafeArrayDestroy
VariantClear
VariantCopy
SysStringLen
VariantInit
SysAllocStringByteLen
SysFreeString
SysAllocStringLen

oledlg

ord8

oleacc

LresultFromObject
AccessibleObjectFromWindow
CreateStdAccessibleObject

gdiplus

GdipGetImageGraphicsContext
GdipBitmapUnlockBits
GdipBitmapLockBits
GdipCreateBitmapFromScan0
GdipCreateBitmapFromStream
GdipGetImagePalette
GdipGetImagePaletteSize
GdipGetImagePixelFormat
GdipGetImageHeight
GdipGetImageWidth
GdipCloneImage
GdipDrawImageRectI
GdipSetInterpolationMode
GdipCreateFromHDC
GdiplusShutdown
GdiplusStartup
GdipCreateBitmapFromHBITMAP
GdipDisposeImage
GdipDeleteGraphics
GdipAlloc
GdipFree
GdipDrawImageI

imm32

ImmGetOpenStatus
ImmReleaseContext
ImmGetContext

winmm

PlaySoundA

Sections

.text
Size: 1.7MB - Virtual size: 1.7MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 386KB - Virtual size: 386KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 26KB - Virtual size: 68KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 125KB - Virtual size: 125KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 189KB - Virtual size: 188KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

adda8af23cbaa083b7eb7764f8e58e1d

Headers

DLL Characteristics

File Characteristics

Imports

version

kernel32

user32

gdi32

msimg32

comdlg32

winspool.drv

advapi32

shell32

comctl32

shlwapi

ole32

oleaut32

oledlg

oleacc

gdiplus

imm32

winmm

Sections

.text Size: 1.7MB - Virtual size: 1.7MB

.rdata Size: 386KB - Virtual size: 386KB

.data Size: 26KB - Virtual size: 68KB

.rsrc Size: 125KB - Virtual size: 125KB

.reloc Size: 189KB - Virtual size: 188KB

.text
Size: 1.7MB - Virtual size: 1.7MB

.rdata
Size: 386KB - Virtual size: 386KB

.data
Size: 26KB - Virtual size: 68KB

.rsrc
Size: 125KB - Virtual size: 125KB

.reloc
Size: 189KB - Virtual size: 188KB