UCK[.]exe[.]v | Triage

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General

Target

UCK.exe.v
Size

68.7MB
MD5

a9735c4b17942b8cb6a35414eb578cb8
SHA1

74c84a78a77db0f3c63feda7ac2e6d077c580a96
SHA256

4198879d91f3c044b68bc811555a07be20f2c99056279306000e9bb303fb3a10
SHA512

8c3c10957658cb4124039365c0079361f1cd4795c9b2778a18fd79534291a56fdf37f4cc7a42a1d112dfa67bc57b9fcddbe45283dcc62811ecbde8ecd2799c79
SSDEEP

1572864:BHCjxMgp23PnpSRxxhaz/+df11/GgzBGQIj5Oi:B+9unkRxDw/Mf/pBGRj5

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
UCK.exe.v

Files

UCK.exe.v
.exe windows:5 windows x64 arch:x64

448f42f5cfdc60c87f361de82079f217

Headers

DLL Characteristics

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

GetFileAttributesA
GetFileSizeEx
GetFileTime
TerminateProcess
UnhandledExceptionFilter
SetUnhandledExceptionFilter
IsDebuggerPresent
RtlVirtualUnwind
RtlLookupFunctionEntry
RtlCaptureContext
RaiseException
RtlPcToFileHeader
HeapFree
RtlUnwindEx
GetSystemTimeAsFileTime
HeapReAlloc
HeapAlloc
SetEnvironmentVariableA
SetCurrentDirectoryA
GetCommandLineA
GetStartupInfoA
VirtualProtect
VirtualAlloc
GetSystemInfo
VirtualQuery
Sleep
ExitProcess
HeapQueryInformation
HeapSize
EncodePointer
DecodePointer
FlsGetValue
FlsSetValue
FlsAlloc
HeapSetInformation
HeapCreate
SetHandleCount
GetStdHandle
GetFileType
GetConsoleCP
GetConsoleMode
GetACP
IsValidCodePage
LCMapStringA
LCMapStringW
FreeEnvironmentStringsA
GetEnvironmentStrings
FreeEnvironmentStringsW
GetEnvironmentStringsW
QueryPerformanceCounter
InitializeCriticalSectionAndSpinCount
GetStringTypeA
GetStringTypeW
GetTimeZoneInformation
WriteConsoleA
GetConsoleOutputCP
WriteConsoleW
SetStdHandle
GetUserDefaultLCID
EnumSystemLocalesA
IsValidLocale
GetLocaleInfoW
CompareStringW
FileTimeToLocalFileTime
SetErrorMode
GetFullPathNameA
GetVolumeInformationA
GetCurrentProcess
DuplicateHandle
SetEndOfFile
UnlockFile
LockFile
FlushFileBuffers
SetFilePointer
ReadFile
WritePrivateProfileStringA
FileTimeToSystemTime
GetThreadLocale
GetOEMCP
GetCPInfo
GlobalFlags
TlsFree
DeleteCriticalSection
LocalReAlloc
TlsSetValue
GlobalHandle
GlobalReAlloc
TlsAlloc
InitializeCriticalSection
EnterCriticalSection
TlsGetValue
LeaveCriticalSection
LocalAlloc
GetModuleHandleW
GetCurrentThread
ConvertDefaultLocale
EnumResourceLanguagesA
GetLocaleInfoA
lstrcmpA
GetCurrentProcessId
GetModuleFileNameA
GetModuleFileNameW
GetCurrentThreadId
GlobalGetAtomNameA
GlobalAddAtomA
GlobalFindAtomA
GlobalDeleteAtom
CompareStringA
FreeLibrary
lstrcmpW
GetModuleHandleA
GetVersionExA
FreeResource
SetLastError
GlobalFree
GlobalAlloc
GlobalLock
GlobalUnlock
FormatMessageA
LocalFree
MultiByteToWideChar
MulDiv
GetTickCount
DeleteFileA
FindNextFileA
lstrcatA
WriteFile
LoadLibraryA
GetProcAddress
CreateMutexA
GetLastError
GetCurrentDirectoryA
GetLogicalDriveStringsA
GetDriveTypeA
CreateThread
CopyFileA
lstrlenA
FindFirstFileA
FindClose
lstrcpyA
CreateFileA
GetFileSize
CloseHandle
WideCharToMultiByte
FindResourceA
LoadResource
LockResource
SizeofResource
CreateFileW
FlsFree
GetProcessHeap

user32

PostThreadMessageA
UnregisterClassA
GetSysColorBrush
WindowFromPoint
SetWindowContextHelpId
MapDialogRect
GetMessageA
TranslateMessage
ValidateRect
GetWindowThreadProcessId
DestroyMenu
EndPaint
BeginPaint
GetWindowDC
ReleaseDC
GrayStringA
DrawTextExA
DrawTextA
TabbedTextOutA
ShowWindow
MoveWindow
SetWindowTextA
IsDialogMessageA
SetMenuItemBitmaps
GetMenuCheckMarkDimensions
ModifyMenuA
RegisterWindowMessageA
SendDlgItemMessageA
WinHelpA
IsChild
GetCapture
SetWindowsHookExA
CallNextHookEx
GetClassLongA
GetClassNameA
GetClassLongPtrA
SetPropA
GetPropA
RegisterClipboardFormatA
GetFocus
SetFocus
GetWindowTextLengthA
GetWindowTextA
GetForegroundWindow
GetLastActivePopup
DispatchMessageA
GetTopWindow
GetWindowLongPtrA
SetWindowLongPtrA
GetMessageTime
GetMessagePos
PeekMessageA
MapWindowPoints
TrackPopupMenu
GetKeyState
SetMenu
UpdateWindow
CreateWindowExA
GetClassInfoExA
GetClassInfoA
RegisterClassA
GetSysColor
AdjustWindowRectEx
EqualRect
CopyRect
GetDlgCtrlID
DefWindowProcA
CallWindowProcA
GetMenu
SetWindowPos
OffsetRect
IntersectRect
SystemParametersInfoA
GetWindowPlacement
GetWindow
GetDesktopWindow
GetActiveWindow
SetActiveWindow
CreateDialogIndirectParamA
DestroyWindow
IsWindow
GetWindowLongA
GetDlgItem
IsWindowEnabled
GetNextDlgTabItem
EndDialog
MessageBeep
GetNextDlgGroupItem
InvalidateRgn
SetRect
IsRectEmpty
CopyAcceleratorTableA
CharNextA
CharUpperA
ReleaseCapture
RemovePropA
SetCapture
GetMenuState
GetMenuItemID
GetMenuItemCount
SetWindowLongA
GetParent
ScreenToClient
PtInRect
SetCursor
LoadCursorA
PostQuitMessage
GetSystemMetrics
GetCursorPos
CloseWindow
LoadIconA
SetForegroundWindow
IsIconic
GetSystemMenu
AppendMenuA
CreatePopupMenu
DrawIcon
LoadBitmapA
FindWindowA
MessageBoxA
EnableMenuItem
KillTimer
SetTimer
IsWindowVisible
InvalidateRect
GetDC
ClientToScreen
GetClientRect
GetWindowRect
PostMessageA
LoadMenuA
GetSubMenu
CheckMenuItem
EnableWindow
SendMessageA
UnhookWindowsHookEx

gdi32

SetWindowExtEx
ScaleWindowExtEx
ExtSelectClipRgn
DeleteDC
ScaleViewportExtEx
CreateRectRgnIndirect
GetMapMode
GetBkColor
GetTextColor
GetRgnBox
GetWindowExtEx
GetViewportExtEx
SetViewportExtEx
OffsetViewportOrgEx
SetViewportOrgEx
SelectObject
Escape
ExtTextOutA
TextOutA
RectVisible
CreateCompatibleBitmap
CreateFontIndirectA
PtVisible
CreateSolidBrush
DeleteObject
MoveToEx
LineTo
SetMapMode
RestoreDC
SaveDC
CreateBitmap
GetClipBox
GetDeviceCaps
GetStockObject
GetTextExtentPoint32A
StretchBlt
Ellipse
CreateFontA
CreatePen
SetBkMode
SetTextColor
SetBkColor
GetCurrentObject
GetObjectA
BitBlt
CreateCompatibleDC

comdlg32

GetFileTitleA

winspool.drv

ClosePrinter
OpenPrinterA
DocumentPropertiesA

advapi32

RegSetValueExA
RegCreateKeyExA
RegQueryValueA
RegOpenKeyA
RegEnumKeyA
RegDeleteKeyA
RegOpenKeyExA
RegQueryValueExA
RegCloseKey

shell32

DragFinish
SHBrowseForFolderA
SHGetMalloc
Shell_NotifyIconA
DragAcceptFiles
ShellExecuteA
SHGetPathFromIDListA
DragQueryPoint
DragQueryFileA
SHGetSpecialFolderPathA

shlwapi

PathFindFileNameA
PathRemoveFileSpecW
PathStripToRootA
PathFindExtensionA
PathIsUNCA

oledlg

ord8

ole32

OleInitialize
CoFreeUnusedLibraries
OleUninitialize
CreateILockBytesOnHGlobal
StgCreateDocfileOnILockBytes
StgOpenStorageOnILockBytes
CoGetClassObject
CoInitializeEx
CoCreateInstance
CoUninitialize
OleFlushClipboard
CoTaskMemAlloc
CoTaskMemFree
CoRegisterMessageFilter
CoRevokeClassObject
CLSIDFromProgID
OleIsCurrentClipboard
CLSIDFromString

oleaut32

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

msvfw32

MCIWndCreateA

oleacc

CreateStdAccessibleObject
LresultFromObject

Sections

.text
Size: 405KB - Virtual size: 405KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 147KB - Virtual size: 146KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 5.5MB - Virtual size: 5.6MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 30KB - Virtual size: 29KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 62.5MB - Virtual size: 62.5MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 79KB - Virtual size: 78KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

448f42f5cfdc60c87f361de82079f217

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

gdi32

comdlg32

winspool.drv

advapi32

shell32

shlwapi

oledlg

ole32

oleaut32

msvfw32

oleacc

Sections

.text Size: 405KB - Virtual size: 405KB

.rdata Size: 147KB - Virtual size: 146KB

.data Size: 5.5MB - Virtual size: 5.6MB

.pdata Size: 30KB - Virtual size: 29KB

.rsrc Size: 62.5MB - Virtual size: 62.5MB

.reloc Size: 79KB - Virtual size: 78KB

.text
Size: 405KB - Virtual size: 405KB

.rdata
Size: 147KB - Virtual size: 146KB

.data
Size: 5.5MB - Virtual size: 5.6MB

.pdata
Size: 30KB - Virtual size: 29KB

.rsrc
Size: 62.5MB - Virtual size: 62.5MB

.reloc
Size: 79KB - Virtual size: 78KB