ltauApp[.]exe | Triage

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General

Target

ltauApp.exe
Size

21.2MB
MD5

03005bcc87dfb310a445c4a9ab3cd486
SHA1

443e2bdab23c914d42da6fe75292d6c02ad741f3
SHA256

9656e01d42bf7df9015c4a1af9d629c2cfc661f9a07830e2e2905b155f2fd597
SHA512

a3496b674bd077fe69f43324f057854fe8a2d763a72e1f5165ffb16c055b1493f98adb8e517fcd095123c6b28859dc061539777e0dd2d6d8a93b8f19448a70ff
SSDEEP

196608:v30t3z0hdcdyIVBoHIA6Y5HpQi5oOYw/77YEWd/CKs:f0t3QncIooHIA6Y5JQQ7YEWch

Score

5^/10

Malware Config

Signatures

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
sample	autoit_exe

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
ltauApp.exe

Files

ltauApp.exe
.exe windows:6 windows x86 arch:x86

8cd825d47bf4a971f7cb44f6fc29fe1f

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

mpr

WNetEnumResourceW
WNetGetUniversalNameW
WNetCloseEnum
WNetOpenEnumW

winmm

timeGetTime

winspool.drv

DocumentPropertiesW
ClosePrinter
OpenPrinterW
GetDefaultPrinterW
EnumPrintersW

comdlg32

ChooseColorW

comctl32

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

shell32

ExtractIconW
SHGetMalloc
SHGetFolderPathW
SHGetFileInfoW
SHGetDesktopFolder
SHGetSpecialFolderLocation
Shell_NotifyIconW
SHAppBarMessage
SHFileOperationW
ShellExecuteW
ShellExecuteExW

user32

CopyImage
MoveWindow
SetMenuItemInfoW
GetMenuItemInfoW
DefFrameProcW
SetCaretPos
GetCaretPos
ScrollWindowEx
GetDlgCtrlID
GetUpdateRgn
FrameRect
RegisterWindowMessageW
GetMenuStringW
FillRect
SendMessageA
IsClipboardFormatAvailable
EnumWindows
ShowOwnedPopups
GetClassInfoExW
GetClassInfoW
GetScrollRange
SetActiveWindow
GetActiveWindow
DrawEdge
GetKeyboardLayoutList
LoadBitmapW
EnumChildWindows
SendNotifyMessageW
GetScrollBarInfo
UnhookWindowsHookEx
SetCapture
GetCapture
ChildWindowFromPointEx
CreatePopupMenu
ShowCaret
GetMenuItemID
DestroyCaret
CharLowerBuffW
ChangeDisplaySettingsW
PostMessageW
SetWindowLongW
DrawMenuBar
SetParent
IsZoomed
InvalidateRgn
SetSystemCursor
GetClientRect
IsChild
IntersectRect
IsIconic
CallNextHookEx
CloseDesktop
ShowWindow
SetForegroundWindow
GetWindowTextW
GetAsyncKeyState
GetWindowTextLengthW
DestroyWindow
IsDialogMessageW
EndMenu
RegisterClassW
CharNextW
GetFocus
GetDC
SetThreadDesktop
GetThreadDesktop
SetFocus
ReleaseDC
mouse_event
ExitWindowsEx
GetClassLongW
OpenDesktopA
DrawTextW
SetScrollRange
ChangeDisplaySettingsExA
PeekMessageA
TabbedTextOutW
MessageBeep
SetClassLongW
LockWindowUpdate
RemovePropW
GetSubMenu
EqualRect
OpenInputDesktop
DestroyIcon
IsWindowVisible
DispatchMessageA
PtInRect
UnregisterClassW
GetTopWindow
SendMessageW
GetTabbedTextExtentW
GetMessageTime
GetComboBoxInfo
CreateMenu
LoadStringW
CharLowerW
SetWindowRgn
SetWindowPos
GetWindowRgn
GetMenuItemCount
GetSysColorBrush
SwitchDesktop
GetWindowDC
DrawTextExW
CharLowerBuffA
EnumClipboardFormats
GetScrollInfo
SetWindowTextW
GetMessageExtraInfo
EnableScrollBar
GetSysColor
TrackPopupMenu
DrawIconEx
keybd_event
GetClassNameW
GetMessagePos
GetIconInfo
SetScrollInfo
GetKeyNameTextW
GetDesktopWindow
SetCursorPos
GetCursorPos
SetMenu
GetMenuState
GetMenu
SetRect
GetKeyState
IsRectEmpty
ValidateRect
IsCharAlphaW
GetCursor
CopyRect
KillTimer
WaitMessage
CreateDesktopW
TranslateMDISysAccel
GetWindowPlacement
GetClipboardFormatNameW
CreateIconIndirect
GetMenuItemRect
CreateWindowExW
EnumDisplaySettingsA
ChildWindowFromPoint
OpenDesktopW
GetMessageW
GetDCEx
SetProcessWindowStation
PeekMessageW
MonitorFromWindow
GetUpdateRect
MessageBoxA
SetTimer
WindowFromPoint
BeginPaint
RegisterClipboardFormatW
MapVirtualKeyW
OffsetRect
IsWindowUnicode
DispatchMessageW
CreateAcceleratorTableW
DefMDIChildProcW
GetSystemMenu
SetScrollPos
GetScrollPos
InflateRect
DrawFocusRect
ReleaseCapture
LoadCursorW
GetGUIThreadInfo
ScrollWindow
GetLastActivePopup
MessageBoxIndirectW
SetMenuInfo
GetMenuInfo
GetSystemMetrics
EnumDisplayDevicesA
CharUpperBuffW
ClientToScreen
SetClipboardData
GetClipboardData
SetWindowPlacement
GetMonitorInfoW
CheckMenuItem
CharUpperW
DefWindowProcW
GetForegroundWindow
EnableWindow
GetWindowThreadProcessId
RedrawWindow
EndPaint
MsgWaitForMultipleObjectsEx
GetUserObjectInformationA
LoadKeyboardLayoutW
ActivateKeyboardLayout
GetParent
CreateCaret
MonitorFromRect
InsertMenuItemW
GetPropW
MessageBoxW
SetPropW
EnumWindowStationsW
UpdateWindow
MsgWaitForMultipleObjects
VkKeyScanW
DestroyMenu
SetWindowsHookExW
CloseWindowStation
EmptyClipboard
GetDoubleClickTime
GetAncestor
GetDlgItem
AdjustWindowRectEx
DrawIcon
IsWindow
EnumThreadWindows
InvalidateRect
OpenWindowStationA
SetKeyboardState
GetKeyboardState
DrawFrameControl
ScreenToClient
IsCharAlphaNumericW
WindowFromDC
SetCursor
CreateIcon
RemoveMenu
GetKeyboardLayoutNameW
OpenClipboard
TranslateMessage
MapWindowPoints
EnumDisplayMonitors
CallWindowProcW
CountClipboardFormats
CloseClipboard
DestroyCursor
PostMessageA
CharUpperBuffA
CopyIcon
PostQuitMessage
GetProcessWindowStation
ShowScrollBar
EnableMenuItem
LoadImageW
HideCaret
FindWindowExW
MonitorFromPoint
LoadIconW
SystemParametersInfoW
GetWindow
GetWindowLongW
GetWindowRect
ToUnicode
InsertMenuW
PostThreadMessageW
IsWindowEnabled
IsDialogMessageA
FindWindowW
DeleteMenu
GetKeyboardLayout

version

GetFileVersionInfoSizeW
VerQueryValueW
GetFileVersionInfoW

urlmon

URLDownloadToFileW

oleaut32

SafeArrayPutElement
SetErrorInfo
GetErrorInfo
VariantInit
VariantClear
SysFreeString
SafeArrayAccessData
SysReAllocStringLen
SafeArrayCreate
CreateErrorInfo
SafeArrayGetElement
GetActiveObject
SysAllocStringLen
SafeArrayUnaccessData
SafeArrayPtrOfIndex
VariantCopy
SafeArrayGetUBound
SafeArrayGetLBound
VariantCopyInd
VariantChangeType

netapi32

NetWkstaGetInfo

advapi32

RegSetValueExW
RegConnectRegistryW
RegCreateKeyA
GetUserNameA
GetUserNameW
RegQueryInfoKeyW
RegUnLoadKeyW
RegSaveKeyW
EqualSid
RegReplaceKeyW
GetTokenInformation
RegCreateKeyExW
RegLoadKeyW
RegEnumKeyExW
RegDeleteKeyW
RegOpenKeyExW
OpenProcessToken
AllocateAndInitializeSid
FreeSid
RegDeleteValueW
RegFlushKey
RegEnumValueW
RegQueryValueExW
RegCloseKey
RegRestoreKeyW

msvcrt

memcpy
memset

kernel32

SetFileAttributesW
SetFileTime
QueryDosDeviceW
GetACP
LocalFree
CloseHandle
GetCurrentProcessId
SizeofResource
ReadProcessMemory
TerminateThread
QueryPerformanceFrequency
IsDebuggerPresent
FindNextFileW
GetFullPathNameW
VirtualFree
HeapAlloc
ExitProcess
FindNextChangeNotification
GetCPInfoExW
GlobalSize
WriteProcessMemory
RtlUnwind
GetCPInfo
EnumSystemLocalesW
GetStdHandle
GetTimeZoneInformation
FileTimeToLocalFileTime
GetModuleHandleW
FreeLibrary
TryEnterCriticalSection
HeapDestroy
FileTimeToDosDateTime
ReadFile
DosDateTimeToFileTime
CreateProcessW
GetLastError
GetModuleFileNameW
SetLastError
GlobalAlloc
GlobalUnlock
FindResourceW
CreateThread
CompareStringW
MapViewOfFile
CreateMutexW
LoadLibraryA
GetVolumeInformationW
ResetEvent
MulDiv
FreeResource
GetDriveTypeW
GetVersion
RaiseException
MoveFileW
GlobalAddAtomW
FindFirstChangeNotificationW
FormatMessageW
OpenProcess
SwitchToThread
GetExitCodeThread
GetStringTypeW
GetCurrentThread
GetLogicalDrives
LocalFileTimeToFileTime
GetFileAttributesExW
IsBadReadPtr
LoadLibraryExW
TerminateProcess
LockResource
GetCurrentThreadId
UnhandledExceptionFilter
GlobalFindAtomW
VirtualQuery
GlobalFree
VirtualQueryEx
Sleep
EnterCriticalSection
SetFilePointer
ReleaseMutex
LoadResource
SuspendThread
GetTickCount
WaitForMultipleObjects
GetFileSize
GetTempFileNameW
GlobalDeleteAtom
GetStartupInfoW
GetFileAttributesW
InitializeCriticalSection
GetThreadPriority
GetCurrentProcess
GlobalLock
SetThreadPriority
VirtualAlloc
GetTempPathW
GetSystemInfo
GetCommandLineW
LeaveCriticalSection
GetProcAddress
ResumeThread
VirtualAllocEx
GetLogicalDriveStringsW
WinExec
GetVersionExW
VerifyVersionInfoW
HeapCreate
LCMapStringW
GetDiskFreeSpaceW
VerSetConditionMask
FindFirstFileW
GetUserDefaultUILanguage
UnmapViewOfFile
GlobalHandle
lstrlenW
CompareStringA
QueryPerformanceCounter
SetEndOfFile
lstrcmpW
InitializeCriticalSectionAndSpinCount
HeapFree
WideCharToMultiByte
FindClose
MultiByteToWideChar
LoadLibraryW
SetEvent
CreateFileW
GetLocaleInfoW
EnumResourceNamesW
DeleteFileW
FindCloseChangeNotification
GetEnvironmentVariableW
GetLocalTime
WaitForSingleObject
WriteFile
CreateFileMappingW
ExitThread
DeleteCriticalSection
GetDateFormatW
TlsGetValue
SetErrorMode
GetComputerNameW
IsValidLocale
SleepEx
TlsSetValue
VirtualFreeEx
CreateDirectoryW
GetSystemDefaultUILanguage
EnumCalendarInfoW
LocalAlloc
RemoveDirectoryW
CreateEventW
WaitForMultipleObjectsEx
GetThreadLocale
SetThreadLocale

ole32

CoCreateGuid
CoCreateInstance
CoUninitialize
IsEqualGUID
OleInitialize
ProgIDFromCLSID
CLSIDFromProgID
OleUninitialize
CoInitialize
CoTaskMemFree
CoTaskMemAlloc
StringFromCLSID

gdi32

AddFontMemResourceEx
Pie
SetBkMode
GetTextCharsetInfo
GetRandomRgn
CreateCompatibleBitmap
BeginPath
GetEnhMetaFileHeader
CloseEnhMetaFile
RectVisible
AngleArc
ResizePalette
SetAbortProc
SetTextColor
GetTextColor
StretchBlt
PathToRegion
GetCharABCWidthsFloatW
GetGlyphIndicesW
ExtSelectClipRgn
ExtEscape
RoundRect
SelectClipRgn
RectInRegion
RestoreDC
FillPath
SetRectRgn
GetTextMetricsW
GetWindowOrgEx
CreatePalette
GetTextCharset
CreateDCW
CreateICW
CreatePen
FillRgn
PolyBezierTo
GetStockObject
CreateSolidBrush
GetFontUnicodeRanges
GetBkMode
Polygon
MoveToEx
PlayEnhMetaFile
Ellipse
ModifyWorldTransform
StartPage
GetBitmapBits
StartDocW
AbortDoc
GetEnhMetaFileBits
GetSystemPaletteEntries
CreatePenIndirect
SetBitmapBits
GetEnhMetaFilePaletteEntries
SetMapMode
CreateFontIndirectW
PolyBezier
ExtCreatePen
GetBitmapDimensionEx
DPtoLP
GetNearestColor
EndDoc
GetObjectW
GetCurrentObject
GetFontData
GetWinMetaFileBits
SetROP2
GetTextExtentExPointW
GetROP2
GetOutlineTextMetricsW
GetEnhMetaFileDescriptionW
PtVisible
ArcTo
CreateEnhMetaFileW
Arc
CreateRectRgnIndirect
TextOutW
SelectPalette
SetGraphicsMode
ExcludeClipRect
SetTextJustification
SetWindowOrgEx
MaskBlt
GetCharacterPlacementW
CreatePatternBrush
EndPage
EndPath
EqualRgn
DeleteEnhMetaFile
Chord
SetDIBits
SetViewportOrgEx
GetViewportOrgEx
CreateRectRgn
RealizePalette
GetObjectType
GetDIBColorTable
SetDIBColorTable
GetGlyphOutlineW
OffsetClipRgn
GetTextMetricsA
CreateBrushIndirect
PatBlt
SetEnhMetaFileBits
CreateDCA
CreateEllipticRgn
PlgBlt
Rectangle
DeleteDC
SaveDC
GetWorldTransform
BitBlt
FrameRgn
SetWorldTransform
GetDeviceCaps
GetTextExtentPoint32W
PtInRegion
GetClipBox
GetClipRgn
Polyline
IntersectClipRect
CombineTransform
CreateBitmap
CombineRgn
SetWinMetaFileBits
CreateDIBitmap
GetStretchBltMode
CreateDIBSection
GetDIBits
SetStretchBltMode
ExtCreateRegion
CreateFontIndirectA
LineTo
GetRgnBox
EnumFontFamiliesW
EnumFontsW
SetWindowExtEx
CreateHalftonePalette
DeleteObject
SelectObject
ExtFloodFill
UnrealizeObject
CopyEnhMetaFileW
OffsetRgn
SetBkColor
CreateCompatibleDC
GetObjectA
GetBrushOrgEx
GetCurrentPositionEx
SetDCPenColor
GetNearestPaletteIndex
SetTextAlign
GetTextAlign
RemoveFontMemResourceEx
CreateRoundRectRgn
GetTextExtentPointW
ExtTextOutW
SetBrushOrgEx
GetPixel
GdiFlush
GetTextFaceW
SetViewportExtEx
SetPixel
PolyPolyline
EnumFontFamiliesExW
StretchDIBits
WidenPath
GetPaletteEntries

magnification

MagSetWindowSource
MagSetWindowFilterList

Exports

Exports

TMethodImplementationIntercept
__dbk_fcall_wrapper
dbkFCallWrapperAddr

Sections

.text
Size: 10.2MB - Virtual size: 10.2MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.itext
Size: 48KB - Virtual size: 47KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 104KB - Virtual size: 104KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.bss
Size: - Virtual size: 246KB

IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.idata
Size: 19KB - Virtual size: 18KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.didata
Size: 26KB - Virtual size: 26KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.edata
Size: 512B - Virtual size: 160B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.tls
Size: - Virtual size: 88B

IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rdata
Size: 512B - Virtual size: 93B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 837KB - Virtual size: 836KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

.rsrc
Size: 10.1MB - Virtual size: 10.1MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

8cd825d47bf4a971f7cb44f6fc29fe1f

Headers

DLL Characteristics

File Characteristics

Imports

mpr

winmm

winspool.drv

comdlg32

comctl32

shell32

user32

version

urlmon

oleaut32

netapi32

advapi32

msvcrt

kernel32

ole32

gdi32

magnification

Exports

Exports

Sections

.text Size: 10.2MB - Virtual size: 10.2MB

.itext Size: 48KB - Virtual size: 47KB

.data Size: 104KB - Virtual size: 104KB

.bss Size: - Virtual size: 246KB

.idata Size: 19KB - Virtual size: 18KB

.didata Size: 26KB - Virtual size: 26KB

.edata Size: 512B - Virtual size: 160B

.tls Size: - Virtual size: 88B

.rdata Size: 512B - Virtual size: 93B

.reloc Size: 837KB - Virtual size: 836KB

.rsrc Size: 10.1MB - Virtual size: 10.1MB

.text
Size: 10.2MB - Virtual size: 10.2MB

.itext
Size: 48KB - Virtual size: 47KB

.data
Size: 104KB - Virtual size: 104KB

.bss
Size: - Virtual size: 246KB

.idata
Size: 19KB - Virtual size: 18KB

.didata
Size: 26KB - Virtual size: 26KB

.edata
Size: 512B - Virtual size: 160B

.tls
Size: - Virtual size: 88B

.rdata
Size: 512B - Virtual size: 93B

.reloc
Size: 837KB - Virtual size: 836KB

.rsrc
Size: 10.1MB - Virtual size: 10.1MB