UCK[.]exe[.]vir

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General

Target

UCK.exe.vir
Size

69.3MB
MD5

5e5192cf2a58201319654480e59ca7be
SHA1

e71db356d15109d9aca6a62a35a54e110526e470
SHA256

b6f2037780e056e3dad5a80e57bb9e7c41ce2eff928d8410d17b77928f424d51
SHA512

2cca572547695a382fee7dc7bbd26ab5bf454fb28f5b2f590ded8502a859a42faee91b5516c04f75d587c124c2361e84a98e86c56201cd1f4593d6b7e52d8218
SSDEEP

1572864:LkllCjxMgp23PnpSRxxhaz/+df11/GgzBGQIj5Oi:Qz+9unkRxDw/Mf/pBGRj5

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
UCK.exe.vir

Files

UCK.exe.vir
.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: 667KB - Virtual size: 666KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 3.5MB - Virtual size: 3.5MB

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

Sharing

General

Malware Config

Signatures

Files

ae2f4699214319460f142323a078cf38

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

gdi32

msimg32

winspool.drv

advapi32

shell32

comctl32

shlwapi

uxtheme

ole32

oleaut32

oledlg

winmm

oleacc

gdiplus

imm32

Sections

.text Size: 1.9MB - Virtual size: 1.9MB

TEXT Size: 19KB - Virtual size: 18KB

.rdata Size: 667KB - Virtual size: 666KB

.data Size: 3.5MB - Virtual size: 3.5MB

.pdata Size: 89KB - Virtual size: 88KB

.gfids Size: 105KB - Virtual size: 104KB

.giats Size: 512B - Virtual size: 16B

.tls Size: 512B - Virtual size: 9B

.rsrc Size: 63.0MB - Virtual size: 63.0MB

.reloc Size: 60KB - Virtual size: 60KB

.text
Size: 1.9MB - Virtual size: 1.9MB

TEXT
Size: 19KB - Virtual size: 18KB

.rdata
Size: 667KB - Virtual size: 666KB

.data
Size: 3.5MB - Virtual size: 3.5MB

.pdata
Size: 89KB - Virtual size: 88KB

.gfids
Size: 105KB - Virtual size: 104KB

.giats
Size: 512B - Virtual size: 16B

.tls
Size: 512B - Virtual size: 9B

.rsrc
Size: 63.0MB - Virtual size: 63.0MB

.reloc
Size: 60KB - Virtual size: 60KB