UCK[.]exe[.]vir

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General

Target

UCK.exe.vir
Size

69.3MB
MD5

28a9db31e704699f2876c73352ff17da
SHA1

75b224a6b1530ddded8403fd237dd4152713b0e0
SHA256

d0c89f27ba1a20906c10ff013d3cbb935f3f36515bc4df21ae27737342cd1f1e
SHA512

9791dc9f6d1aaf1cb3712492153a901fca04700aa333652bb7aacd3ee18b0c07f88fc9b3a6d8a4fe666a991fe92e919594bb3816928d725af27999db9674ff52
SSDEEP

1572864:RkliCjxMgp23PnpSRxxhaz/+df11/GgzBGQIj5Oi:2M+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

840b6a2099d4f3da7cef82b7a01c4bd3

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

FindNextFileW
FindFirstFileExW
SetFilePointerEx
GetConsoleMode
GetConsoleCP
GetStringTypeW
LCMapStringW
GetTimeFormatW
GetDateFormatW
GetTimeZoneInformation
GetFileAttributesExW
CreateProcessW
GetExitCodeProcess
GetStdHandle
IsValidCodePage
SetStdHandle
QueryPerformanceFrequency
HeapQueryInformation
FreeLibraryAndExitThread
ExitThread
CreateThread
VirtualQuery
VirtualAlloc
GetSystemInfo
GetCommandLineW
GetCommandLineA
ExitProcess
RtlPcToFileHeader
RtlUnwindEx
OutputDebugStringW
GetEnvironmentStringsW
FreeEnvironmentStringsW
SetEnvironmentVariableW
CreateFileW
InitializeSListHead
GetSystemTimeAsFileTime
QueryPerformanceCounter
GetStartupInfoW
IsDebuggerPresent
IsProcessorFeaturePresent
TerminateProcess
SetUnhandledExceptionFilter
UnhandledExceptionFilter
RtlVirtualUnwind
RtlLookupFunctionEntry
RtlCaptureContext
CreateEventW
WaitForSingleObjectEx
ResetEvent
SearchPathA
GetProfileIntA
GetTempFileNameA
GetTempPathA
VerifyVersionInfoA
VerSetConditionMask
FindResourceExW
GetTickCount
SystemTimeToTzSpecificLocalTime
GetFileTime
GetFileSizeEx
GetFileAttributesExA
GetFileAttributesA
FileTimeToLocalFileTime
SetErrorMode
GetWindowsDirectoryA
lstrcpyA
GetCPInfo
GetOEMCP
VirtualProtect
GetStringTypeExA
GetVolumeInformationA
lstrcmpiA
GetCurrentProcess
DuplicateHandle
UnlockFile
SetFilePointer
SetEndOfFile
ReadFile
LockFile
GetFullPathNameA
GetFileSize
FlushFileBuffers
FindFirstFileA
FindClose
DeleteFileA
GetUserDefaultUILanguage
GetSystemDefaultUILanguage
GetLocaleInfoW
CompareStringW
GetCurrentDirectoryA
GetACP
GlobalFlags
GetThreadLocale
LocalReAlloc
LocalAlloc
GlobalHandle
GlobalReAlloc
TlsFree
TlsSetValue
TlsGetValue
TlsAlloc
InitializeCriticalSection
InitializeCriticalSectionAndSpinCount
LeaveCriticalSection
EnterCriticalSection
FileTimeToSystemTime
GlobalGetAtomNameA
GlobalFindAtomA
lstrcmpW
GetSystemDirectoryW
EncodePointer
GetCurrentProcessId
GlobalAddAtomA
WritePrivateProfileStringA
GetPrivateProfileStringA
GetPrivateProfileIntA
GetModuleHandleW
CompareStringA
lstrcmpA
GlobalDeleteAtom
LoadLibraryExW
GetModuleFileNameA
FreeLibrary
GetVersionExA
GetCurrentThread
SetThreadPriority
GetCurrentThreadId
CreateEventA
WaitForSingleObject
SetEvent
QueryActCtxW
FindActCtxSectionStringW
DeactivateActCtx
ActivateActCtx
CreateActCtxW
LoadLibraryW
GetModuleHandleExW
GetModuleFileNameW
FreeResource
OutputDebugStringA
MultiByteToWideChar
CopyFileA
FormatMessageA
MulDiv
LocalFree
GlobalFree
GlobalUnlock
GlobalLock
GlobalSize
GlobalAlloc
SetLastError
DeleteCriticalSection
InitializeCriticalSectionEx
GetProcessHeap
HeapSize
HeapFree
HeapReAlloc
HeapAlloc
GetLastError
RaiseException
DecodePointer
lstrlenA
WideCharToMultiByte
FindResourceA
lstrcatA
LoadLibraryA
FindResourceW
SizeofResource
LockResource
LoadResource
GetProcAddress
GetModuleHandleA
ResumeThread
SuspendThread
Sleep
CloseHandle
WriteFile
GetFileType
CreateFileA
WriteConsoleW

user32

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

gdi32

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

msimg32

AlphaBlend
TransparentBlt

winspool.drv

DocumentPropertiesA
OpenPrinterA
ClosePrinter

advapi32

RegEnumKeyA
RegEnumKeyExA
RegEnumValueA
RegQueryValueA
RegCloseKey
RegDeleteKeyA
RegCreateKeyExA
RegQueryValueExA
RegSetValueExA
RegOpenKeyExA
RegDeleteValueA

shell32

DragFinish
DragQueryFileA
SHGetDesktopFolder
SHGetSpecialFolderLocation
SHGetPathFromIDListA
SHGetFileInfoA
SHAddToRecentDocs
SHGetSpecialFolderPathA
ShellExecuteA
SHAppBarMessage
SHBrowseForFolderA

comctl32

InitCommonControlsEx

shlwapi

StrFormatKBSizeA
PathStripToRootA
PathIsUNCA
PathFindFileNameA
PathFindExtensionA
PathRemoveFileSpecW

uxtheme

IsAppThemed
GetThemePartSize
IsThemeBackgroundPartiallyTransparent
GetThemeSysColor
DrawThemeText
DrawThemeParentBackground
OpenThemeData
CloseThemeData
DrawThemeBackground
GetThemeColor
GetCurrentThemeName
GetWindowTheme

ole32

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

oleaut32

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

oledlg

ord8

winmm

PlaySoundA
mciSendStringA

oleacc

AccessibleObjectFromWindow
LresultFromObject
CreateStdAccessibleObject

gdiplus

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

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: 650KB - Virtual size: 650KB

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: 89KB

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

840b6a2099d4f3da7cef82b7a01c4bd3

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: 650KB - Virtual size: 650KB

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

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

.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: 650KB - Virtual size: 650KB

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

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

.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