RunDllHostCallBack
Static task
static1
Behavioral task
behavioral1
Sample
40c80bda2a4986d860e21d3eab9fbbff8e1740d9cc105fc03176f944eefd4a36.dll
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
40c80bda2a4986d860e21d3eab9fbbff8e1740d9cc105fc03176f944eefd4a36.dll
Resource
win10v2004-20230915-en
General
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Target
40c80bda2a4986d860e21d3eab9fbbff8e1740d9cc105fc03176f944eefd4a36
-
Size
1.2MB
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MD5
4cbae76ea5df04c47a30d0dd8e11c7c4
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SHA1
c7a8127b07585220c12ccd7aea2ac8d34b398f71
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SHA256
40c80bda2a4986d860e21d3eab9fbbff8e1740d9cc105fc03176f944eefd4a36
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SHA512
027b5e59fa68bcf4d26a0dc62016e28e6c470de939b5c92f0299fdf98150685db24a7951e79e5034a85def9797f26743ccc4ccb906fadb143139260800357d1b
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SSDEEP
24576:ElIRTRVAkir0aRUmVT1KI9xHl9T0B99Cj9n99W99qpBHE2G3HjN9297+AxYHvYv1:ECRUr0XY8o5
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 40c80bda2a4986d860e21d3eab9fbbff8e1740d9cc105fc03176f944eefd4a36
Files
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40c80bda2a4986d860e21d3eab9fbbff8e1740d9cc105fc03176f944eefd4a36.dll windows x86
110da27fd5a8be90a3b478e319c65740
Headers
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DLL
Imports
winmm
waveOutUnprepareHeader
waveOutPrepareHeader
waveOutWrite
midiStreamClose
midiOutReset
midiStreamRestart
midiStreamStop
midiStreamOut
midiOutPrepareHeader
midiStreamProperty
midiStreamOpen
midiOutUnprepareHeader
waveOutOpen
waveOutPause
waveOutReset
waveOutClose
waveOutGetNumDevs
ws2_32
inet_ntoa
WSAStartup
WSACleanup
recvfrom
ioctlsocket
recv
getpeername
accept
closesocket
WSAAsyncSelect
socket
kernel32
GetTimeZoneInformation
GetVersion
InterlockedIncrement
InterlockedDecrement
GetSystemInfo
IsProcessorFeaturePresent
lstrcmpiA
SetLastError
TerminateProcess
GetCurrentProcess
InterlockedExchange
SetStdHandle
IsBadCodePtr
IsBadReadPtr
CompareStringW
CompareStringA
GetStringTypeW
GetStringTypeA
GetFileSize
IsBadWritePtr
VirtualAlloc
LCMapStringW
LCMapStringA
SetEnvironmentVariableA
VirtualFree
HeapCreate
HeapDestroy
GetEnvironmentVariableA
GetEnvironmentStringsW
GetEnvironmentStrings
FreeEnvironmentStringsW
FreeEnvironmentStringsA
GetStartupInfoA
GetFileType
GetStdHandle
SetHandleCount
GetACP
HeapSize
GetLocalTime
GetSystemTime
RaiseException
RtlUnwind
GetOEMCP
GetCPInfo
GetProcessVersion
SetErrorMode
GlobalFlags
GetCurrentThread
GetFileTime
TlsGetValue
LocalReAlloc
TlsSetValue
TlsFree
GlobalHandle
TlsAlloc
LocalAlloc
lstrcmpA
GlobalGetAtomNameA
GlobalAddAtomA
GlobalFindAtomA
GlobalDeleteAtom
SetEndOfFile
UnlockFile
LockFile
FlushFileBuffers
DuplicateHandle
lstrcpynA
FileTimeToLocalFileTime
FileTimeToSystemTime
LocalFree
SetFilePointer
GetSystemDirectoryA
Beep
GetWindowsDirectoryA
LoadLibraryExA
CreateSemaphoreA
ResumeThread
ReleaseSemaphore
EnterCriticalSection
LeaveCriticalSection
GetProfileStringA
CloseHandle
WaitForSingleObject
GetTickCount
GetCommandLineA
MulDiv
GetProcAddress
GetModuleHandleA
GetVolumeInformationA
SetCurrentDirectoryA
GetFileAttributesA
FindClose
FindFirstFileA
WriteFile
WaitForMultipleObjects
CreateFileA
SetEvent
FindResourceA
LoadResource
LockResource
ReadFile
GetModuleFileNameA
GetCurrentThreadId
ExitProcess
GlobalSize
GlobalFree
DeleteCriticalSection
InitializeCriticalSection
lstrcatA
lstrlenA
WinExec
lstrcpyA
FindNextFileA
GlobalReAlloc
HeapFree
HeapReAlloc
GetProcessHeap
HeapAlloc
MultiByteToWideChar
WideCharToMultiByte
GetFullPathNameA
FreeLibrary
LoadLibraryA
GetLastError
GetVersionExA
WritePrivateProfileStringA
CreateThread
GlobalUnlock
CreateEventA
Sleep
GlobalAlloc
GlobalLock
SetUnhandledExceptionFilter
user32
SetClipboardData
OpenClipboard
GetClipboardData
CloseClipboard
wsprintfA
EmptyClipboard
GetCursorPos
GetDlgItem
GetDesktopWindow
CreateIconIndirect
GetIconInfo
CopyIcon
LoadStringA
SetWindowTextA
UnhookWindowsHookEx
SetWindowsHookExA
CallNextHookEx
GetMenuItemCount
GetMenuItemID
GetMenuState
GetWindowTextA
GetClassNameA
LoadIconA
TranslateMessage
DrawFrameControl
DrawEdge
DrawFocusRect
WindowFromPoint
GetMessageA
DispatchMessageA
SetRectEmpty
RegisterClipboardFormatA
CreateIconFromResourceEx
CreateIconFromResource
DrawIconEx
CreatePopupMenu
GetSysColorBrush
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
GetParent
GetTopWindow
PostMessageA
IsWindow
SetParent
DestroyCursor
SendMessageA
SetWindowPos
MessageBoxA
GetSystemMetrics
GetWindowTextLengthA
CharUpperA
GetWindowDC
BeginPaint
EndPaint
TabbedTextOutA
DrawTextA
GrayStringA
DestroyWindow
CreateDialogIndirectParamA
EndDialog
GetNextDlgTabItem
GetWindowPlacement
RegisterWindowMessageA
GetForegroundWindow
GetLastActivePopup
GetMessageTime
RemovePropA
CallWindowProcA
GetPropA
SetPropA
GetClassLongA
CreateWindowExA
RegisterClassA
GetScrollPos
AdjustWindowRectEx
MapWindowPoints
SendDlgItemMessageA
ScrollWindowEx
IsDialogMessageA
MoveWindow
CheckMenuItem
SetMenuItemBitmaps
GetMenuCheckMarkDimensions
UnregisterClassA
gdi32
ExcludeClipRect
GetClipBox
ScaleWindowExtEx
SetWindowExtEx
SetWindowOrgEx
ScaleViewportExtEx
SetViewportExtEx
MoveToEx
LineTo
SetTextColor
GetTextMetricsA
OffsetRgn
FrameRgn
SetBkColor
CreateDIBSection
SetStretchBltMode
GetClipRgn
CreatePolygonRgn
SelectClipRgn
DeleteObject
CreateDIBitmap
GetSystemPaletteEntries
CreatePalette
StretchBlt
SelectPalette
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
Ellipse
Rectangle
LPtoDP
DPtoLP
GetCurrentObject
RoundRect
GetTextExtentPoint32A
GetDeviceCaps
ExtSelectClipRgn
GetViewportExtEx
PtVisible
RectVisible
TextOutA
ExtTextOutA
Escape
CreateRectRgnIndirect
RealizePalette
SaveDC
RestoreDC
SetBkMode
SetPolyFillMode
SetROP2
SetMapMode
SetViewportOrgEx
OffsetViewportOrgEx
winspool.drv
OpenPrinterA
DocumentPropertiesA
ClosePrinter
advapi32
RegQueryValueA
RegSetValueExA
RegOpenKeyExA
RegQueryValueExA
RegCloseKey
RegOpenKeyA
RegCreateKeyExA
shell32
Shell_NotifyIconA
ShellExecuteA
ole32
OleInitialize
OleUninitialize
CLSIDFromString
oleaut32
UnRegisterTypeLi
RegisterTypeLi
LoadTypeLi
comctl32
ImageList_Read
ImageList_Destroy
ord17
ImageList_GetImageCount
ImageList_GetImageInfo
ImageList_GetIcon
ImageList_Duplicate
comdlg32
GetFileTitleA
ChooseColorA
GetOpenFileNameA
GetSaveFileNameA
Exports
Exports
Sections
.text Size: 756KB - Virtual size: 753KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 160KB - Virtual size: 159KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 124KB - Virtual size: 409KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 24KB - Virtual size: 22KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 120KB - Virtual size: 116KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ