Static task
static1
Behavioral task
behavioral1
Sample
dayin2.4.0.0.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
dayin2.4.0.0.exe
Resource
win10v2004-20240226-en
General
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Target
dayin2.4.0.0.exe
-
Size
1.5MB
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MD5
5ed9c6e75cab146387b346b042620f51
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SHA1
37db4f1948b9948d2c20b3274153d8bdcaf2694a
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SHA256
e1c97f6f57434684b962c655a6f6a401f2f9b8f6b949acca157124ccc557e9e7
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SHA512
6fa30a84d4a7af63abbf7bf18b84ea7af59805a865ac39755a50cfdaab4bcee0233fab278faf33516ec840ad9b116f5827d5f2af35b020eadcb91783b3a96088
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SSDEEP
24576:6Z40cakuhPEv9uunPNCY6n+QVRgkeLkFv48ALe1jG3M:6e8gnT6n+4iVa4873
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource dayin2.4.0.0.exe
Files
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dayin2.4.0.0.exe.exe windows:4 windows x86 arch:x86
a0df289e586745e6b395a44db5527583
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
msvfw32
DrawDibDraw
avifil32
AVIStreamGetFrame
AVIStreamInfoA
kernel32
FreeEnvironmentStringsA
FreeEnvironmentStringsW
GetEnvironmentStrings
GetEnvironmentStringsW
SetHandleCount
GetStdHandle
GetFileType
GetEnvironmentVariableA
HeapDestroy
HeapCreate
VirtualFree
UnhandledExceptionFilter
LCMapStringA
LCMapStringW
VirtualAlloc
IsBadWritePtr
GetStringTypeA
GetStringTypeW
SetUnhandledExceptionFilter
CompareStringA
CompareStringW
IsBadReadPtr
IsBadCodePtr
SetStdHandle
GetACP
HeapSize
CloseHandle
TerminateProcess
RaiseException
GetLocalTime
GetSystemTime
GetTimeZoneInformation
RtlUnwind
GetStartupInfoA
GetOEMCP
GetCPInfo
GetProcessVersion
SetErrorMode
GlobalFlags
GetCurrentThread
GetFileTime
GetFileSize
TlsGetValue
LocalReAlloc
TlsSetValue
TlsFree
GlobalHandle
TlsAlloc
LocalAlloc
lstrcmpA
GetVersion
GlobalGetAtomNameA
GlobalAddAtomA
GlobalFindAtomA
GlobalDeleteAtom
lstrcmpiA
SetEndOfFile
UnlockFile
LockFile
FlushFileBuffers
SetFilePointer
DuplicateHandle
lstrcpynA
SetLastError
FileTimeToLocalFileTime
FileTimeToSystemTime
LocalFree
InterlockedDecrement
InterlockedIncrement
SuspendThread
TerminateThread
ReleaseMutex
CreateMutexA
GetCurrentProcess
GetWindowsDirectoryA
GetSystemDirectoryA
WideCharToMultiByte
MultiByteToWideChar
CreateSemaphoreA
ResumeThread
ReleaseSemaphore
EnterCriticalSection
LeaveCriticalSection
GetProfileStringA
WriteFile
WaitForMultipleObjects
CreateFileA
SetEvent
FindResourceA
LoadResource
LockResource
ReadFile
lstrlenW
GetModuleFileNameA
GetCurrentThreadId
ExitProcess
GlobalSize
GlobalFree
DeleteCriticalSection
InitializeCriticalSection
lstrcatA
lstrlenA
WinExec
lstrcpyA
FindNextFileA
GlobalReAlloc
HeapFree
HeapReAlloc
GetProcessHeap
HeapAlloc
GetUserDefaultLCID
GetFullPathNameA
FreeLibrary
LoadLibraryA
GetLastError
GetVersionExA
WritePrivateProfileStringA
GetPrivateProfileStringA
CreateThread
CreateEventA
Sleep
GlobalAlloc
GlobalLock
GlobalUnlock
GetTempPathA
FindFirstFileA
FindClose
GetFileAttributesA
CreateDirectoryA
SetCurrentDirectoryA
GetVolumeInformationA
GetModuleHandleA
GetProcAddress
MulDiv
GetCommandLineA
GetTickCount
WaitForSingleObject
SetEnvironmentVariableA
user32
GetDesktopWindow
GetMenuCheckMarkDimensions
GetMenuState
SetMenuItemBitmaps
CheckMenuItem
MoveWindow
SetWindowTextA
IsDialogMessageA
ScrollWindowEx
SendDlgItemMessageA
MapWindowPoints
AdjustWindowRectEx
GetScrollPos
RegisterClassA
GetMenuItemCount
GetMenuItemID
SetWindowsHookExA
CallNextHookEx
GetClassLongA
SetPropA
UnhookWindowsHookEx
GetPropA
CallWindowProcA
RemovePropA
GetMessageTime
GetLastActivePopup
RegisterWindowMessageA
GetWindowPlacement
EndDialog
CreateDialogIndirectParamA
DestroyWindow
GetDlgItem
GrayStringA
DrawTextA
TabbedTextOutA
EndPaint
BeginPaint
GetWindowDC
CharUpperA
GetWindowTextLengthA
GetWindowTextA
DrawStateA
FrameRect
GetNextDlgTabItem
GetForegroundWindow
CreateWindowExA
GetClassNameA
LoadIconA
TranslateMessage
DrawFrameControl
DrawEdge
DrawFocusRect
WindowFromPoint
GetMessageA
DispatchMessageA
RegisterClipboardFormatA
CreateIconFromResourceEx
CreateIconFromResource
LoadStringA
CreatePopupMenu
AppendMenuA
ModifyMenuA
CreateMenu
CreateAcceleratorTableA
GetDlgCtrlID
GetSubMenu
EnableMenuItem
ClientToScreen
EnumDisplaySettingsA
LoadImageA
SystemParametersInfoA
ShowWindow
IsWindowEnabled
TranslateAcceleratorA
GetKeyState
CopyAcceleratorTableA
PostQuitMessage
IsZoomed
GetClassInfoA
DefWindowProcA
GetSystemMenu
DeleteMenu
GetMenu
SetMenu
PeekMessageA
IsIconic
SetFocus
GetActiveWindow
GetWindow
DestroyAcceleratorTable
SetWindowRgn
GetMessagePos
ScreenToClient
ChildWindowFromPointEx
CopyRect
LoadBitmapA
WinHelpA
KillTimer
SetTimer
ReleaseCapture
GetCapture
SetCapture
GetScrollRange
SetScrollRange
SetScrollPos
SetRect
InflateRect
IntersectRect
DestroyIcon
PtInRect
OffsetRect
IsWindowVisible
EnableWindow
RedrawWindow
GetWindowLongA
SetWindowLongA
GetSysColor
SetActiveWindow
SetCursorPos
LoadCursorA
SetCursor
GetDC
FillRect
IsRectEmpty
ReleaseDC
IsChild
DestroyMenu
SetForegroundWindow
GetWindowRect
EqualRect
UpdateWindow
ValidateRect
InvalidateRect
GetClientRect
GetFocus
GetSysColorBrush
DrawIconEx
GetParent
GetTopWindow
PostMessageA
IsWindow
SetParent
DestroyCursor
SendMessageA
SetWindowPos
MessageBoxA
GetCursorPos
GetSystemMetrics
EmptyClipboard
SetClipboardData
OpenClipboard
GetClipboardData
CloseClipboard
wsprintfA
SetRectEmpty
UnregisterClassA
gdi32
SaveDC
RestoreDC
SetPolyFillMode
SetROP2
SetMapMode
SetViewportOrgEx
OffsetViewportOrgEx
SetViewportExtEx
ScaleViewportExtEx
SetWindowOrgEx
SetWindowExtEx
ScaleWindowExtEx
GetClipBox
ExcludeClipRect
MoveToEx
LineTo
GetTextColor
GetWindowOrgEx
ExtSelectClipRgn
GetViewportExtEx
PtVisible
RectVisible
ExtTextOutA
Escape
GetTextMetricsA
SetStretchBltMode
GetClipRgn
CreatePolygonRgn
SetDIBitsToDevice
SetTextColor
SetBkMode
TextOutA
SetBkColor
CreateRectRgnIndirect
CreateDIBSection
GetBkMode
GetBkColor
GetROP2
GetStretchBltMode
GetPolyFillMode
CreateCompatibleBitmap
CreateDCA
CreateBitmap
CreatePatternBrush
SelectObject
CreatePen
PatBlt
CombineRgn
CreateRectRgn
FillRgn
CreateSolidBrush
CreateFontIndirectA
GetStockObject
GetObjectA
EndPage
BeginPath
SelectClipRgn
EndPath
DeleteObject
CreateDIBitmap
GetSystemPaletteEntries
PathToRegion
CreatePalette
StretchBlt
SelectPalette
RealizePalette
GetDIBits
GetWindowExtEx
CreateEllipticRgn
GetViewportOrgEx
DeleteDC
EndDoc
GetDeviceCaps
GetTextExtentPoint32A
RoundRect
GetCurrentObject
DPtoLP
LPtoDP
Rectangle
Ellipse
CreateCompatibleDC
GetPixel
BitBlt
StartPage
StartDocA
CreateRoundRectRgn
winmm
midiStreamRestart
midiStreamClose
midiOutReset
midiStreamStop
midiStreamOut
midiOutPrepareHeader
midiStreamProperty
midiStreamOpen
midiOutUnprepareHeader
waveOutOpen
waveOutGetNumDevs
waveOutClose
waveOutReset
waveOutPause
waveOutWrite
waveOutPrepareHeader
waveOutUnprepareHeader
PlaySoundA
waveOutRestart
winspool.drv
DocumentPropertiesA
OpenPrinterA
ClosePrinter
comdlg32
GetFileTitleA
GetSaveFileNameA
GetOpenFileNameA
ChooseFontA
ChooseColorA
advapi32
RegCreateKeyExA
RegQueryValueA
RegSetValueExA
RegOpenKeyExA
RegCloseKey
shell32
SHGetSpecialFolderPathA
Shell_NotifyIconA
ShellExecuteA
ole32
CLSIDFromProgID
OleInitialize
OleUninitialize
CLSIDFromString
CreateStreamOnHGlobal
CoCreateInstance
OleRun
oleaut32
VariantCopy
UnRegisterTypeLi
OleCreatePictureIndirect
LoadTypeLi
LHashValOfNameSys
RegisterTypeLi
SafeArrayPutElement
SafeArrayCreate
SafeArrayDestroy
SysAllocString
VariantInit
VariantCopyInd
SafeArrayAccessData
SafeArrayUnaccessData
SafeArrayGetDim
SafeArrayGetLBound
VariantChangeType
VariantClear
SafeArrayGetUBound
comctl32
_TrackMouseEvent
ImageList_Destroy
ord17
ws2_32
closesocket
WSAAsyncSelect
WSACleanup
inet_ntoa
ntohl
accept
getpeername
recv
ioctlsocket
recvfrom
atl
ord42
Sections
.text Size: 1.2MB - Virtual size: 1.2MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 160KB - Virtual size: 158KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 124KB - Virtual size: 350KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 44KB - Virtual size: 43KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ