Static task
static1
Behavioral task
behavioral1
Sample
uyd.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
uyd.exe
Resource
win10v2004-20240802-en
General
-
Target
d5f1a67929e16bc93f8f1b889bfa38fdf4236391319b2fc9682aff365124cc2b
-
Size
3.5MB
-
MD5
5ade654e7a7ec8bf2d39d3fc93347e36
-
SHA1
166cad52099199c90d1f60cfbcb06c3ac5c771a8
-
SHA256
d5f1a67929e16bc93f8f1b889bfa38fdf4236391319b2fc9682aff365124cc2b
-
SHA512
f94094e15d8ed2e5af115a21f4fd79adef3bfb0fcd392c15d1034e69cd662a443fe94fd3064eca28208cae5aec923c94cfef7d44f48a8375cd8d882799d3196d
-
SSDEEP
98304:P0e6mnKhq9X8sAicJFvl6zG6lzhZgGx3RPboGmDNiMdS:PB6B4X8b3FV6lzzgGDfmDNY
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource unpack001/uyd.exe
Files
-
d5f1a67929e16bc93f8f1b889bfa38fdf4236391319b2fc9682aff365124cc2b.zip
-
uyd.exe.exe windows:4 windows x86 arch:x86
6cf8a3dd289751f6771cfd2815cccfa7
Headers
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
Imports
rasapi32
RasHangUpA
RasGetConnectStatusA
kernel32
SetEndOfFile
UnlockFile
LockFile
FlushFileBuffers
SetFilePointer
GetCurrentProcess
SuspendThread
TerminateThread
ReleaseMutex
CreateMutexA
SetLastError
GetTimeZoneInformation
FileTimeToSystemTime
CreateSemaphoreA
ResumeThread
ReleaseSemaphore
EnterCriticalSection
LeaveCriticalSection
GetProfileStringA
WriteFile
WaitForMultipleObjects
CreateFileA
SetEvent
FindResourceA
LoadResource
GetCurrentProcessId
QueryPerformanceCounter
GetLocaleInfoA
IsBadCodePtr
IsBadReadPtr
CompareStringW
CompareStringA
InterlockedExchange
SetUnhandledExceptionFilter
InterlockedIncrement
GetStringTypeA
IsBadWritePtr
VirtualQuery
GetSystemInfo
VirtualAlloc
VirtualProtect
LCMapStringW
LCMapStringA
SetEnvironmentVariableA
VirtualFree
HeapCreate
HeapDestroy
SetHandleCount
GetEnvironmentStringsW
FreeEnvironmentStringsW
GetEnvironmentStrings
FreeEnvironmentStringsA
UnhandledExceptionFilter
GetStdHandle
GetFileType
SetStdHandle
GetACP
HeapSize
LockResource
ReadFile
GetModuleFileNameA
WideCharToMultiByte
MultiByteToWideChar
GetCurrentThreadId
ExitProcess
GlobalSize
GlobalFree
DeleteCriticalSection
InitializeCriticalSection
lstrcatA
lstrlenA
WinExec
lstrcpyA
FindNextFileA
GlobalReAlloc
HeapFree
HeapReAlloc
GetProcessHeap
HeapAlloc
GetFullPathNameA
FreeLibrary
LoadLibraryA
GetLastError
GetVersionExA
WritePrivateProfileStringA
CreateThread
CreateEventA
Sleep
GlobalAlloc
GlobalLock
GlobalUnlock
FindFirstFileA
FindClose
SetFileAttributesA
GetFileAttributesA
CopyFileA
CreateDirectoryA
SetCurrentDirectoryA
GetVolumeInformationA
GetModuleHandleA
GetProcAddress
MulDiv
GetCommandLineA
GetTickCount
CreateProcessA
TerminateProcess
GetDateFormatA
GetTimeFormatA
RaiseException
GetSystemTimeAsFileTime
RtlUnwind
GetStartupInfoA
GetOEMCP
GetCPInfo
GetProcessVersion
SetErrorMode
GlobalFlags
GetCurrentThread
GetFileTime
GetFileSize
TlsGetValue
LocalReAlloc
TlsSetValue
TlsFree
GlobalHandle
TlsAlloc
LocalAlloc
WaitForSingleObject
CloseHandle
DuplicateHandle
lstrcpynA
FileTimeToLocalFileTime
LocalFree
InterlockedDecrement
GetStringTypeW
lstrcmpA
GetVersion
GlobalGetAtomNameA
GlobalAddAtomA
GlobalFindAtomA
GlobalDeleteAtom
lstrcmpiA
user32
OpenClipboard
SetClipboardData
EmptyClipboard
GetSystemMetrics
GetCursorPos
MessageBoxA
SetWindowPos
SendMessageA
DestroyCursor
SetParent
IsWindow
PostMessageA
GetTopWindow
GetParent
GetClipboardData
CloseClipboard
GetFocus
GetClientRect
InvalidateRect
ValidateRect
UpdateWindow
EqualRect
GetWindowRect
SetForegroundWindow
DestroyMenu
IsChild
ReleaseDC
IsRectEmpty
wsprintfA
GetDC
SetCursor
LoadCursorA
SetCursorPos
SetActiveWindow
GetSysColor
SetWindowLongA
GetWindowLongA
RedrawWindow
EnableWindow
IsWindowVisible
OffsetRect
PtInRect
DestroyIcon
IntersectRect
InflateRect
SetRect
SetScrollPos
SetScrollRange
GetScrollRange
SetCapture
GetCapture
ReleaseCapture
SetTimer
KillTimer
WinHelpA
LoadBitmapA
CopyRect
ChildWindowFromPointEx
ScreenToClient
GetMessagePos
SetWindowRgn
DestroyAcceleratorTable
GetWindow
GetActiveWindow
SetFocus
IsIconic
WaitForInputIdle
FillRect
DrawTextA
GetSysColorBrush
LoadStringA
GetDesktopWindow
GetClassNameA
GetMenuCheckMarkDimensions
GetMenuState
SetMenuItemBitmaps
CheckMenuItem
MoveWindow
IsDialogMessageA
ScrollWindowEx
SendDlgItemMessageA
MapWindowPoints
AdjustWindowRectEx
SetWindowTextA
LoadIconA
TranslateMessage
DrawFrameControl
DrawEdge
DrawFocusRect
WindowFromPoint
GetMessageA
DispatchMessageA
SetRectEmpty
RegisterClipboardFormatA
CreateIconFromResourceEx
CreateIconFromResource
DrawIconEx
CreatePopupMenu
AppendMenuA
ModifyMenuA
CreateMenu
CreateAcceleratorTableA
GetDlgCtrlID
GetSubMenu
EnableMenuItem
ClientToScreen
EnumDisplaySettingsA
LoadImageA
SystemParametersInfoA
ShowWindow
IsWindowEnabled
TranslateAcceleratorA
GetKeyState
CopyAcceleratorTableA
PostQuitMessage
IsZoomed
GetClassInfoA
DefWindowProcA
GetMenu
SetMenu
PeekMessageA
GetWindowTextA
GetWindowTextLengthA
CharUpperA
GetWindowDC
BeginPaint
EndPaint
TabbedTextOutA
UnregisterClassA
GrayStringA
GetDlgItem
DestroyWindow
CreateDialogIndirectParamA
EndDialog
GetNextDlgTabItem
GetWindowPlacement
RegisterWindowMessageA
GetForegroundWindow
GetLastActivePopup
GetMessageTime
RemovePropA
CallWindowProcA
GetPropA
UnhookWindowsHookEx
SetPropA
GetClassLongA
CallNextHookEx
SetWindowsHookExA
CreateWindowExA
GetMenuItemID
GetMenuItemCount
RegisterClassA
GetScrollPos
gdi32
SelectPalette
RealizePalette
GetDIBits
GetWindowExtEx
GetViewportOrgEx
GetWindowOrgEx
BeginPath
EndPath
PathToRegion
CreateEllipticRgn
CreateRoundRectRgn
GetTextColor
GetBkMode
GetBkColor
GetROP2
GetStretchBltMode
GetPolyFillMode
CreateCompatibleBitmap
CreateDCA
CreateBitmap
SelectObject
GetObjectA
CreatePen
PatBlt
CombineRgn
CreateRectRgn
FillRgn
CreateSolidBrush
GetStockObject
CreateFontIndirectA
EndPage
EndDoc
DeleteDC
StartDocA
StartPage
BitBlt
CreateCompatibleDC
CreateRectRgnIndirect
Rectangle
LPtoDP
StretchBlt
GetCurrentObject
RoundRect
GetTextExtentPoint32A
GetDeviceCaps
SaveDC
RestoreDC
SetBkMode
SetPolyFillMode
SetROP2
SetTextColor
SetMapMode
SetViewportOrgEx
OffsetViewportOrgEx
SetViewportExtEx
ScaleViewportExtEx
SetWindowOrgEx
SetWindowExtEx
ScaleWindowExtEx
GetClipBox
ExcludeClipRect
MoveToEx
LineTo
ExtSelectClipRgn
CreatePalette
GetSystemPaletteEntries
CreateDIBitmap
DeleteObject
SelectClipRgn
CreatePolygonRgn
GetClipRgn
SetStretchBltMode
DPtoLP
GetViewportExtEx
SetBkColor
Ellipse
GetTextMetricsA
Escape
ExtTextOutA
TextOutA
RectVisible
PtVisible
winmm
waveOutRestart
waveOutUnprepareHeader
waveOutPrepareHeader
waveOutWrite
waveOutPause
waveOutReset
midiStreamRestart
waveOutClose
waveOutGetNumDevs
waveOutOpen
midiOutUnprepareHeader
midiStreamOpen
midiStreamProperty
midiOutPrepareHeader
midiStreamOut
midiStreamStop
midiOutReset
midiStreamClose
winspool.drv
DocumentPropertiesA
ClosePrinter
OpenPrinterA
advapi32
RegQueryValueA
RegCreateKeyA
RegSetValueExA
RegOpenKeyExA
RegQueryValueExA
RegCloseKey
RegCreateKeyExA
shell32
ShellExecuteA
Shell_NotifyIconA
ole32
CLSIDFromString
OleUninitialize
OleInitialize
oleaut32
UnRegisterTypeLi
RegisterTypeLi
LoadTypeLi
comctl32
ord17
ImageList_Destroy
ws2_32
inet_ntoa
recvfrom
ioctlsocket
getpeername
accept
ntohl
WSAStartup
WSACleanup
select
send
closesocket
WSAAsyncSelect
recv
wininet
InternetCanonicalizeUrlA
InternetCrackUrlA
HttpOpenRequestA
HttpSendRequestA
InternetOpenA
InternetCloseHandle
InternetSetOptionA
InternetConnectA
InternetReadFile
HttpQueryInfoA
comdlg32
ChooseColorA
GetSaveFileNameA
GetOpenFileNameA
GetFileTitleA
Sections
.text Size: 656KB - Virtual size: 655KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rdata Size: 4.7MB - Virtual size: 4.7MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 92KB - Virtual size: 296KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 144KB - Virtual size: 142KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ