splwowc[.]exe | Triage

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General

Target

splwowc.exe
Size

3.2MB
MD5

199905b4a33652fa38c65b82ced2567a
SHA1

d9abb9613a96870a5571601cf310b0f382fabfc3
SHA256

ea48796b94b3c1d4dc04afd0761183146e46e2ecede4ef8f283930148a7c84c8
SHA512

1c1b68d3a007ff4c18387b5ade1c1ff8c235061e006f3fbad666acbf665bb6bb95d133bd3708e7ee288cd246932d0c7edefc57dd3ce39d8e2e29966bd46228da
SSDEEP

49152:GBqp1osTE4kCPQqySIn2hgPdd3K5/OO/AzRV/Oi+UUlwc0oMLDswG+Ph9WoS9:GsQgKXi/3ATz+ULwb+TWoS9

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
splwowc.exe

Files

splwowc.exe
.exe windows x86

2c7330eba380e476838c02fc6adc429c

Headers

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_BYTES_REVERSED_LO
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_BYTES_REVERSED_HI

Imports

oleaut32

SysFreeString
SysReAllocStringLen
SysAllocStringLen
SafeArrayPtrOfIndex
SafeArrayGetUBound
SafeArrayGetLBound
SafeArrayCreate
VariantChangeType
VariantCopy
VariantClear
VariantInit
GetErrorInfo
GetActiveObject
SysFreeString

advapi32

RegQueryValueExW
RegOpenKeyExW
RegCloseKey
RegUnLoadKeyW
RegSetValueExW
RegSaveKeyW
RegRestoreKeyW
RegReplaceKeyW
RegQueryValueExW
RegQueryInfoKeyW
RegOpenKeyExW
RegLoadKeyW
RegFlushKey
RegEnumValueW
RegEnumKeyExW
RegDeleteValueW
RegDeleteKeyW
RegCreateKeyExW
RegConnectRegistryW
RegCloseKey

user32

MessageBoxA
CharNextW
LoadStringW
SetClassLongW
GetClassLongW
SetWindowLongW
GetWindowLongW
CreateWindowExW
WindowFromPoint
WaitMessage
UpdateWindow
UnregisterClassW
UnhookWindowsHookEx
TranslateMessage
TranslateMDISysAccel
TrackPopupMenu
SystemParametersInfoW
ShowWindow
ShowScrollBar
ShowOwnedPopups
ShowCaret
SetWindowRgn
SetWindowsHookExW
SetWindowTextW
SetWindowPos
SetWindowPlacement
SetTimer
SetScrollRange
SetScrollPos
SetScrollInfo
SetRect
SetPropW
SetParent
SetMenuItemInfoW
SetMenu
SetForegroundWindow
SetFocus
SetCursorPos
SetCursor
SetClipboardData
SetCapture
SetActiveWindow
SendMessageA
SendMessageW
ScrollWindow
ScreenToClient
RemovePropW
RemoveMenu
ReleaseDC
ReleaseCapture
RegisterWindowMessageW
RegisterClipboardFormatW
RegisterClassW
RedrawWindow
PtInRect
PostQuitMessage
PostMessageW
PeekMessageA
PeekMessageW
OpenClipboard
OffsetRect
MsgWaitForMultipleObjectsEx
MsgWaitForMultipleObjects
MessageBoxW
MessageBeep
MapWindowPoints
MapVirtualKeyW
LoadStringW
LoadKeyboardLayoutW
LoadIconW
LoadCursorW
LoadBitmapW
KillTimer
IsZoomed
IsWindowVisible
IsWindowUnicode
IsWindowEnabled
IsWindow
IsIconic
IsDialogMessageA
IsDialogMessageW
IsChild
InvalidateRect
InsertMenuItemW
InsertMenuW
InflateRect
HideCaret
GetWindowThreadProcessId
GetWindowTextW
GetWindowRect
GetWindowPlacement
GetWindowDC
GetTopWindow
GetSystemMetrics
GetSystemMenu
GetSysColorBrush
GetSysColor
GetSubMenu
GetScrollRange
GetScrollPos
GetScrollInfo
GetScrollBarInfo
GetPropW
GetParent
GetWindow
GetMessagePos
GetMessageExtraInfo
GetMenuStringW
GetMenuState
GetMenuItemInfoW
GetMenuItemID
GetMenuItemCount
GetMenu
GetLastInputInfo
GetLastActivePopup
GetKeyboardState
GetKeyboardLayoutNameW
GetKeyboardLayoutList
GetKeyboardLayout
GetKeyState
GetKeyNameTextW
GetIconInfo
GetForegroundWindow
GetFocus
GetDlgCtrlID
GetDesktopWindow
GetDCEx
GetDC
GetCursorPos
GetCursor
GetClipboardData
GetClientRect
GetClassNameW
GetClassInfoExW
GetClassInfoW
GetCapture
GetActiveWindow
FrameRect
FindWindowExW
FindWindowW
FillRect
EnumWindows
EnumThreadWindows
EnumChildWindows
EndPaint
EndMenu
EnableWindow
EnableScrollBar
EnableMenuItem
EmptyClipboard
DrawTextExW
DrawTextW
DrawMenuBar
DrawIconEx
DrawIcon
DrawFrameControl
DrawFocusRect
DrawEdge
DispatchMessageA
DispatchMessageW
DestroyWindow
DestroyMenu
DestroyIcon
DestroyCursor
DeleteMenu
DefWindowProcW
DefMDIChildProcW
DefFrameProcW
CreatePopupMenu
CreateMenu
CreateIcon
CreateAcceleratorTableW
CopyImage
CopyIcon
CloseClipboard
ClientToScreen
CheckMenuItem
CharUpperBuffW
CharUpperW
CharNextW
CharLowerBuffW
CharLowerW
CallWindowProcW
CallNextHookEx
BeginPaint
AdjustWindowRectEx
ActivateKeyboardLayout
EnumDisplayMonitors
GetMonitorInfoW
MonitorFromPoint
MonitorFromRect
MonitorFromWindow

kernel32

Sleep
VirtualFree
VirtualAlloc
lstrlenW
lstrcpynW
VirtualQuery
QueryPerformanceCounter
GetTickCount
GetSystemInfo
GetVersion
CompareStringW
IsValidLocale
SetThreadLocale
GetSystemDefaultUILanguage
GetUserDefaultUILanguage
GetLocaleInfoW
WideCharToMultiByte
MultiByteToWideChar
GetACP
LoadLibraryExW
GetStartupInfoW
GetProcAddress
GetModuleHandleW
GetModuleFileNameW
GetCommandLineW
FreeLibrary
GetLastError
UnhandledExceptionFilter
RtlUnwind
RaiseException
ExitProcess
ExitThread
SwitchToThread
GetCurrentThreadId
CreateThread
DeleteCriticalSection
LeaveCriticalSection
EnterCriticalSection
InitializeCriticalSection
FindFirstFileW
FindClose
WriteFile
GetStdHandle
CloseHandle
GetProcAddress
RaiseException
LoadLibraryA
GetLastError
TlsSetValue
TlsGetValue
LocalFree
LocalAlloc
GetModuleHandleW
FreeLibrary
WriteFile
WideCharToMultiByte
WaitForSingleObject
WaitForMultipleObjectsEx
VirtualQueryEx
VirtualQuery
VirtualProtect
VirtualFree
VirtualAlloc
TryEnterCriticalSection
SwitchToThread
SuspendThread
Sleep
SizeofResource
SetThreadPriority
SetThreadLocale
SetLastError
SetFilePointer
SetEvent
SetErrorMode
SetEndOfFile
ResumeThread
ResetEvent
RemoveDirectoryW
ReadFile
RaiseException
QueryPerformanceFrequency
QueryPerformanceCounter
IsDebuggerPresent
OpenProcess
OpenMutexW
MulDiv
LockResource
LocalFree
LoadResource
LoadLibraryW
LeaveCriticalSection
IsValidLocale
InitializeCriticalSection
HeapSize
HeapFree
HeapDestroy
HeapCreate
HeapAlloc
GlobalUnlock
GlobalLock
GlobalFree
GlobalFindAtomW
GlobalDeleteAtom
GlobalAlloc
GlobalAddAtomW
GetVersionExW
GetVersion
GetTickCount
GetThreadPriority
GetThreadLocale
GetSystemInfo
GetSystemTimes
GetStdHandle
GetProcAddress
GetModuleHandleW
GetModuleFileNameW
GetLocaleInfoW
GetLocalTime
GetLastError
GetFullPathNameW
GetFileAttributesW
GetExitCodeThread
GetDiskFreeSpaceW
GetDateFormatW
GetCurrentThreadId
GetCurrentThread
GetCurrentProcessId
GetCurrentProcess
GetComputerNameW
GetCPInfoExW
GetCPInfo
GetACP
FreeResource
InterlockedExchange
InterlockedCompareExchange
FreeLibrary
FormatMessageW
FindResourceW
FindFirstFileW
FindClose
EnumSystemLocalesW
EnumResourceNamesW
EnumCalendarInfoW
EnterCriticalSection
DeleteFileW
DeleteCriticalSection
CreateThread
CreateMutexW
CreateFileW
CreateEventW
CreateDirectoryW
CopyFileW
CompareStringW
CloseHandle
Sleep

gdi32

UnrealizeObject
StretchDIBits
StretchBlt
StartPage
StartDocW
SetWindowOrgEx
SetWinMetaFileBits
SetViewportOrgEx
SetTextColor
SetStretchBltMode
SetROP2
SetPixel
SetEnhMetaFileBits
SetDIBits
SetDIBColorTable
SetBrushOrgEx
SetBkMode
SetBkColor
SetAbortProc
SelectPalette
SelectObject
SaveDC
RoundRect
RestoreDC
Rectangle
RectVisible
RealizePalette
Polyline
Polygon
PolyBezierTo
PolyBezier
PlayEnhMetaFile
Pie
PatBlt
MoveToEx
MaskBlt
LineTo
IntersectClipRect
GetWindowOrgEx
GetWinMetaFileBits
GetTextMetricsW
GetTextExtentPointW
GetTextExtentPoint32W
GetSystemPaletteEntries
GetStockObject
GetRgnBox
GetPixel
GetPaletteEntries
GetObjectW
GetEnhMetaFilePaletteEntries
GetEnhMetaFileHeader
GetEnhMetaFileDescriptionW
GetEnhMetaFileBits
GetDeviceCaps
GetDIBits
GetDIBColorTable
GetCurrentPositionEx
GetClipBox
GetBrushOrgEx
GetBitmapBits
GdiFlush
FrameRgn
ExtTextOutW
ExtFloodFill
ExcludeClipRect
EnumFontsW
EnumFontFamiliesExW
EndPage
EndDoc
Ellipse
DeleteObject
DeleteEnhMetaFile
DeleteDC
CreateSolidBrush
CreateRectRgn
CreatePenIndirect
CreatePalette
CreateICW
CreateHalftonePalette
CreateFontIndirectW
CreateDIBitmap
CreateDIBSection
CreateDCW
CreateCompatibleDC
CreateCompatibleBitmap
CreateBrushIndirect
CreateBitmap
CopyEnhMetaFileW
Chord
BitBlt
ArcTo
Arc
AngleArc
AbortDoc

version

VerQueryValueW
GetFileVersionInfoSizeW
GetFileVersionInfoW

ole32

OleUninitialize
OleInitialize
CoTaskMemFree
CoTaskMemAlloc
ProgIDFromCLSID
StringFromCLSID
CoCreateInstance
CoUninitialize
CoInitialize
IsEqualGUID

comctl32

InitializeFlatSB
FlatSB_SetScrollProp
FlatSB_SetScrollPos
FlatSB_SetScrollInfo
FlatSB_GetScrollPos
FlatSB_GetScrollInfo
_TrackMouseEvent
ImageList_GetImageInfo
ImageList_SetIconSize
ImageList_GetIconSize
ImageList_Write
ImageList_Read
ImageList_GetDragImage
ImageList_DragShowNolock
ImageList_DragMove
ImageList_DragLeave
ImageList_DragEnter
ImageList_EndDrag
ImageList_BeginDrag
ImageList_Copy
ImageList_LoadImageW
ImageList_GetIcon
ImageList_Remove
ImageList_DrawEx
ImageList_Replace
ImageList_Draw
ImageList_SetOverlayImage
ImageList_GetBkColor
ImageList_SetBkColor
ImageList_ReplaceIcon
ImageList_Add
ImageList_SetImageCount
ImageList_GetImageCount
ImageList_Destroy
ImageList_Create

shell32

ShellExecuteW
Shell_NotifyIconW
SHGetSpecialFolderPathW

winspool.drv

OpenPrinterW
EnumPrintersW
DocumentPropertiesW
ClosePrinter
GetDefaultPrinterW

ntdll

ZwSetInformationProcess

Sections

.text
Size: 1.8MB - Virtual size: 1.8MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.itext
Size: 5KB - Virtual size: 5KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 21KB - Virtual size: 21KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.bss
Size: - Virtual size: 22KB

IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.idata
Size: 14KB - Virtual size: 13KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.didata
Size: 2KB - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.tls
Size: - Virtual size: 64B

IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rdata
Size: 512B - Virtual size: 24B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 164KB - Virtual size: 163KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

2c7330eba380e476838c02fc6adc429c

Headers

File Characteristics

Imports

oleaut32

advapi32

user32

kernel32

gdi32

version

ole32

comctl32

shell32

winspool.drv

ntdll

Sections

.text Size: 1.8MB - Virtual size: 1.8MB

.itext Size: 5KB - Virtual size: 5KB

.data Size: 21KB - Virtual size: 21KB

.bss Size: - Virtual size: 22KB

.idata Size: 14KB - Virtual size: 13KB

.didata Size: 2KB - Virtual size: 2KB

.tls Size: - Virtual size: 64B

.rdata Size: 512B - Virtual size: 24B

.reloc Size: 164KB - Virtual size: 163KB

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

.text
Size: 1.8MB - Virtual size: 1.8MB

.itext
Size: 5KB - Virtual size: 5KB

.data
Size: 21KB - Virtual size: 21KB

.bss
Size: - Virtual size: 22KB

.idata
Size: 14KB - Virtual size: 13KB

.didata
Size: 2KB - Virtual size: 2KB

.tls
Size: - Virtual size: 64B

.rdata
Size: 512B - Virtual size: 24B

.reloc
Size: 164KB - Virtual size: 163KB

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