Static task
static1
Behavioral task
behavioral1
Sample
UCK.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
UCK.exe
Resource
win10v2004-20240802-en
General
-
Target
UCK.exe.v
-
Size
70.2MB
-
MD5
8f032f34569c3c9e99562a22dfd78a57
-
SHA1
2e014a220d6767924c6f9e669ae8deb8bd42383e
-
SHA256
78604a5813861a7dd652b6d2f151bcf8215f0c700b4a1a8f28986fee220b1a59
-
SHA512
34a2e6c8f0131f305b0a8eaa385e780fe1da5e21c6977324ecb3249e53460d9c3a5caea9675a3c0120c5982e980c9029706b1c1999cff616cf5febc3df82722d
-
SSDEEP
1572864:HklDCjxMgp23PnpSRxxhaz/+df11/GgzBGQIj5Oi:Eh+9unkRxDw/Mf/pBGRj5
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource UCK.exe.v
Files
-
UCK.exe.v.exe windows:6 windows x64 arch:x64
ae2f4699214319460f142323a078cf38
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
Imports
kernel32
SetFilePointerEx
GetConsoleMode
GetConsoleCP
LCMapStringW
GetTimeFormatW
GetDateFormatW
GetTimeZoneInformation
CreateProcessW
GetExitCodeProcess
GetStdHandle
GetFileType
SetStdHandle
FindFirstFileExW
VirtualQuery
VirtualAlloc
GetSystemInfo
HeapQueryInformation
FreeLibraryAndExitThread
ExitThread
CreateThread
GetCommandLineW
GetCommandLineA
ExitProcess
RtlPcToFileHeader
RtlUnwindEx
OutputDebugStringW
FindNextFileW
IsValidCodePage
GetOEMCP
GetACP
GetCPInfo
GetEnvironmentStringsW
FreeEnvironmentStringsW
SetEnvironmentVariableW
GetStringTypeW
GetStartupInfoW
IsDebuggerPresent
InitializeSListHead
GetSystemTimeAsFileTime
QueryPerformanceCounter
IsProcessorFeaturePresent
TerminateProcess
SetUnhandledExceptionFilter
UnhandledExceptionFilter
RtlVirtualUnwind
RtlLookupFunctionEntry
RtlCaptureContext
WaitForSingleObjectEx
ResetEvent
SearchPathW
GetProfileIntW
GetTempPathW
GetTempFileNameW
VerifyVersionInfoW
VerSetConditionMask
FindResourceExW
GetTickCount
SystemTimeToTzSpecificLocalTime
GetFileTime
GetFileSizeEx
GetFileAttributesExW
GetFileAttributesW
FileTimeToLocalFileTime
SetErrorMode
GetWindowsDirectoryW
lstrcpyW
VirtualProtect
GetStringTypeExW
lstrcmpiW
GetCurrentProcess
DuplicateHandle
UnlockFile
SetFilePointer
SetEndOfFile
ReadFile
LockFile
GetVolumeInformationW
GetFullPathNameW
GetFileSize
FlushFileBuffers
FindFirstFileW
FindClose
DeleteFileW
GetUserDefaultUILanguage
GetSystemDefaultUILanguage
GetLocaleInfoW
CompareStringW
GetCurrentDirectoryW
GlobalFlags
GetThreadLocale
GlobalGetAtomNameW
LocalReAlloc
LocalAlloc
GlobalHandle
GlobalReAlloc
TlsFree
TlsSetValue
TlsGetValue
TlsAlloc
InitializeCriticalSection
InitializeCriticalSectionAndSpinCount
LeaveCriticalSection
EnterCriticalSection
FileTimeToSystemTime
GlobalFindAtomW
GetSystemDirectoryW
EncodePointer
GetCurrentProcessId
GlobalAddAtomW
WritePrivateProfileStringW
GetPrivateProfileStringW
GetPrivateProfileIntW
lstrcmpW
lstrcmpA
GlobalDeleteAtom
LoadLibraryExW
FreeLibrary
GetVersionExW
GetCurrentThread
SetThreadPriority
GetCurrentThreadId
CreateEventW
WaitForSingleObject
SetEvent
QueryActCtxW
FindActCtxSectionStringW
DeactivateActCtx
ActivateActCtx
CreateActCtxW
LoadLibraryW
GetModuleHandleExW
GetModuleFileNameW
FreeResource
OutputDebugStringA
WideCharToMultiByte
CopyFileW
FormatMessageW
MulDiv
LocalFree
GlobalFree
GlobalUnlock
GlobalLock
GlobalSize
GlobalAlloc
SetLastError
DeleteCriticalSection
InitializeCriticalSectionEx
GetProcessHeap
HeapSize
HeapFree
HeapReAlloc
HeapAlloc
GetLastError
RaiseException
DecodePointer
lstrlenW
MultiByteToWideChar
lstrcatW
LoadLibraryA
FindResourceW
SizeofResource
LockResource
LoadResource
GetProcAddress
GetModuleHandleW
ResumeThread
SuspendThread
CreateFileW
Sleep
CloseHandle
WriteFile
QueryPerformanceFrequency
WriteConsoleW
user32
SetRect
InvalidateRgn
CopyAcceleratorTableW
CharNextW
WindowFromPoint
ReleaseCapture
SetCapture
WaitMessage
CharUpperW
DestroyIcon
InvalidateRect
KillTimer
DeleteMenu
CopyImage
RealChildWindowFromPoint
IntersectRect
LoadCursorW
GetSysColorBrush
OffsetRect
SetRectEmpty
SendDlgItemMessageA
IsDialogMessageW
SetWindowTextW
CheckDlgButton
MoveWindow
GetMonitorInfoW
MonitorFromWindow
WinHelpW
GetScrollInfo
SetScrollInfo
LoadIconW
GetTopWindow
GetClassNameW
GetClassLongPtrW
SetWindowLongPtrW
GetWindowLongPtrW
EqualRect
MapWindowPoints
AdjustWindowRectEx
GetWindowRect
GetWindowTextLengthW
GetWindowTextW
RemovePropW
GetPropW
SetPropW
ShowScrollBar
GetScrollRange
SetScrollRange
GetScrollPos
SetScrollPos
ScrollWindow
RedrawWindow
SetForegroundWindow
GetForegroundWindow
UpdateWindow
TrackPopupMenu
SetMenu
GetMenu
GetCapture
SetFocus
GetDlgCtrlID
EndDeferWindowPos
DeferWindowPos
BeginDeferWindowPos
SetWindowPlacement
GetWindowPlacement
IsChild
IsMenu
CreateWindowExW
GetClassInfoExW
GetClassInfoW
RegisterClassW
CallWindowProcW
DefWindowProcW
GetMessageTime
GetMessagePos
RegisterWindowMessageW
SystemParametersInfoW
InflateRect
CopyRect
GetMenuItemInfoW
DestroyMenu
UnhookWindowsHookEx
MapDialogRect
GetWindow
SetWindowContextHelpId
SetWindowPos
GetLastActivePopup
GetWindowThreadProcessId
MessageBoxW
SetCursor
ShowOwnedPopups
PostQuitMessage
CallNextHookEx
ValidateRect
GetKeyState
IsWindowVisible
PeekMessageW
IsRectEmpty
GetNextDlgGroupItem
MessageBeep
SendMessageW
PostMessageW
ShowWindow
IsIconic
SetTimer
DispatchMessageW
TranslateMessage
GetMessageW
GetDesktopWindow
GetWindowLongW
SetActiveWindow
IsWindowEnabled
GetActiveWindow
GetNextDlgTabItem
GetDlgItem
EndDialog
CreateDialogIndirectParamW
DestroyWindow
IsWindow
GetParent
GetAsyncKeyState
TrackMouseEvent
LoadImageW
CreatePopupMenu
GetMenuDefaultItem
BringWindowToTop
LoadAcceleratorsW
TranslateAcceleratorW
InsertMenuItemW
UnpackDDElParam
ReuseDDElParam
RegisterClipboardFormatW
DrawFocusRect
DrawIconEx
GetIconInfo
SetMenuItemInfoW
GetMenuCheckMarkDimensions
EnableScrollBar
HideCaret
InvertRect
NotifyWinEvent
MapVirtualKeyW
GetKeyNameTextW
SetLayeredWindowAttributes
EnumDisplayMonitors
EnableWindow
GetSystemMetrics
LoadMenuW
GetSubMenu
DrawIcon
SetWindowRgn
GetClientRect
GetCursorPos
ClipCursor
PtInRect
SetWindowLongW
FindWindowW
EnumWindows
SetWindowsHookExW
LoadBitmapW
wsprintfW
UnregisterClassW
GetMenuStringW
GetMenuState
GetMenuItemID
GetMenuItemCount
InsertMenuW
AppendMenuW
RemoveMenu
DrawTextW
DrawTextExW
GrayStringW
TabbedTextOutW
GetDC
GetWindowDC
DrawStateW
ReleaseDC
BeginPaint
EndPaint
ClientToScreen
ScreenToClient
GetSysColor
FillRect
GetFocus
CheckMenuItem
EnableMenuItem
SetMenuItemBitmaps
DrawEdge
DrawFrameControl
IsZoomed
GetSystemMenu
SetCursorPos
CopyIcon
FrameRect
UnionRect
PostThreadMessageW
UpdateLayeredWindow
MonitorFromPoint
GetComboBoxInfo
GetKeyboardLayout
IsCharLowerW
MapVirtualKeyExW
ToUnicodeEx
GetKeyboardState
CreateAcceleratorTableW
DestroyAcceleratorTable
LockWindowUpdate
SetMenuDefaultItem
GetDoubleClickTime
ModifyMenuW
CharUpperBuffW
IsClipboardFormatAvailable
GetUpdateRect
DrawMenuBar
DefFrameProcW
DefMDIChildProcW
TranslateMDISysAccel
SubtractRect
CreateMenu
GetWindowRgn
DestroyCursor
EmptyClipboard
SetClipboardData
CloseClipboard
OpenClipboard
SetParent
SetClassLongPtrW
gdi32
GetClipBox
GetObjectType
GetPixel
GetStockObject
GetViewportExtEx
GetWindowExtEx
IntersectClipRect
LineTo
PtVisible
RectVisible
RestoreDC
SaveDC
SelectClipRgn
ExtSelectClipRgn
SelectObject
SelectPalette
SetBkColor
SetBkMode
SetMapMode
SetLayout
GetLayout
SetPolyFillMode
SetROP2
SetTextColor
SetTextAlign
GetObjectW
MoveToEx
TextOutW
ExtTextOutW
SetViewportExtEx
SetViewportOrgEx
SetWindowExtEx
SetWindowOrgEx
OffsetViewportOrgEx
OffsetWindowOrgEx
ScaleViewportExtEx
ScaleWindowExtEx
CreateFontIndirectW
GetTextExtentPoint32W
ExcludeClipRect
CreateRectRgnIndirect
GetMapMode
PatBlt
SetRectRgn
DPtoLP
GetTextMetricsW
GetBkColor
GetTextColor
GetRgnBox
CreateCompatibleBitmap
EnumFontFamiliesExW
CreatePalette
GetNearestPaletteIndex
GetPaletteEntries
GetSystemPaletteEntries
RealizePalette
CreateDIBitmap
EnumFontFamiliesW
GetTextCharsetInfo
StretchBlt
CreateDIBSection
SetDIBColorTable
Ellipse
CreatePolygonRgn
Polygon
Polyline
CreateRoundRectRgn
LPtoDP
Rectangle
OffsetRgn
RoundRect
FillRgn
FrameRgn
GetBoundsRect
PtInRegion
ExtFloodFill
SetPaletteEntries
SetPixelV
GetWindowOrgEx
GetViewportOrgEx
GetTextFaceW
Escape
DeleteObject
DeleteDC
CreateRectRgn
CreateHatchBrush
CreateCompatibleDC
CreateBitmap
BitBlt
GetDeviceCaps
CreateDCW
CopyMetaFileW
CreateSolidBrush
CreatePatternBrush
CreatePen
CombineRgn
SetPixel
CreateEllipticRgn
msimg32
TransparentBlt
AlphaBlend
winspool.drv
ClosePrinter
DocumentPropertiesW
OpenPrinterW
advapi32
RegDeleteKeyW
RegEnumKeyExW
RegEnumValueW
RegQueryValueW
RegEnumKeyW
RegCloseKey
RegCreateKeyExW
RegQueryValueExW
RegSetValueExW
RegOpenKeyExW
RegDeleteValueW
shell32
ShellExecuteA
SHGetSpecialFolderPathW
SHAddToRecentDocs
SHGetFileInfoW
SHAppBarMessage
SHBrowseForFolderW
DragFinish
DragQueryFileW
ShellExecuteW
SHGetDesktopFolder
SHGetSpecialFolderLocation
SHGetPathFromIDListW
comctl32
InitCommonControlsEx
shlwapi
PathFindFileNameW
PathIsUNCW
PathStripToRootW
PathRemoveFileSpecW
StrFormatKBSizeW
PathFindExtensionW
uxtheme
IsThemeBackgroundPartiallyTransparent
GetThemeSysColor
GetWindowTheme
DrawThemeText
DrawThemeParentBackground
OpenThemeData
CloseThemeData
DrawThemeBackground
GetThemeColor
GetCurrentThemeName
IsAppThemed
GetThemePartSize
ole32
OleFlushClipboard
OleIsCurrentClipboard
CoRegisterMessageFilter
CoRevokeClassObject
CreateStreamOnHGlobal
OleUninitialize
DoDragDrop
OleGetClipboard
CoLockObjectExternal
RegisterDragDrop
RevokeDragDrop
OleLockRunning
OleCreateMenuDescriptor
OleDestroyMenuDescriptor
OleTranslateAccelerator
IsAccelerator
OleInitialize
CoFreeUnusedLibraries
CoInitializeEx
CreateILockBytesOnHGlobal
StgOpenStorageOnILockBytes
StgCreateDocfileOnILockBytes
CoGetClassObject
CoDisconnectObject
CLSIDFromProgID
CoInitialize
CoCreateInstance
CoCreateGuid
CoUninitialize
ReleaseStgMedium
OleDuplicateData
CoTaskMemFree
CoTaskMemAlloc
CLSIDFromString
oleaut32
VarBstrFromDate
VariantCopy
SafeArrayDestroy
SysStringLen
LoadTypeLi
OleCreateFontIndirect
VariantClear
VariantInit
SysAllocStringLen
SysAllocString
SysFreeString
VarUdateFromDate
VariantTimeToSystemTime
SystemTimeToVariantTime
VariantChangeType
oledlg
OleUIBusyW
winmm
PlaySoundW
mciSendStringW
oleacc
LresultFromObject
AccessibleObjectFromWindow
CreateStdAccessibleObject
gdiplus
GdipDrawImageI
GdipDeleteGraphics
GdipCreateBitmapFromHBITMAP
GdipBitmapLockBits
GdipCreateBitmapFromScan0
GdipCreateBitmapFromStream
GdipGetImagePaletteSize
GdipGetImagePalette
GdipGetImageHeight
GdipGetImageWidth
GdipGetImageGraphicsContext
GdipDisposeImage
GdipCloneImage
GdiplusStartup
GdipFree
GdipAlloc
GdiplusShutdown
GdipCreateFromHDC
GdipSetInterpolationMode
GdipDrawImageRectI
GdipBitmapUnlockBits
GdipGetImagePixelFormat
imm32
ImmGetContext
ImmGetOpenStatus
ImmReleaseContext
Sections
.text Size: 1.9MB - Virtual size: 1.9MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
TEXT Size: 19KB - Virtual size: 18KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 664KB - Virtual size: 664KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 4.4MB - Virtual size: 4.5MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 89KB - Virtual size: 88KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.gfids Size: 105KB - Virtual size: 104KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.giats Size: 512B - Virtual size: 16B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.tls Size: 512B - Virtual size: 9B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 63.0MB - Virtual size: 63.0MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 60KB - Virtual size: 60KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ