NB
Static task
static1
Behavioral task
behavioral1
Sample
81f9c328bfb2c311e899543acb596900ffad895ec224c0c5af275c4d5016ffa5.dll
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
81f9c328bfb2c311e899543acb596900ffad895ec224c0c5af275c4d5016ffa5.dll
Resource
win10v2004-20230915-en
General
-
Target
81f9c328bfb2c311e899543acb596900ffad895ec224c0c5af275c4d5016ffa5
-
Size
2.5MB
-
MD5
1f31b69b539de4fb62f1c7540fc214ce
-
SHA1
256c9eae16a8d87d2f1e6980d3496202195b5072
-
SHA256
81f9c328bfb2c311e899543acb596900ffad895ec224c0c5af275c4d5016ffa5
-
SHA512
34795776e47b8f48713a005d1a2429a6d86059d371296ff1e28a1a58aaf5f9f0a7f76073e236c2df7364fd53fb5c3bc7c6b782ec0eb9535a29ca2cc8055c53ff
-
SSDEEP
49152:i1c7IGZ8cnKlG4pGXZE4EZm6OkK/m7YZQ45KNF:i+B8cnKlG4pGXZE+6OkK/MI
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 81f9c328bfb2c311e899543acb596900ffad895ec224c0c5af275c4d5016ffa5
Files
-
81f9c328bfb2c311e899543acb596900ffad895ec224c0c5af275c4d5016ffa5.dll windows:4 windows x86
1f2b8402f091ee47a9e90e3cdc19bec7
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
msvfw32
DrawDibDraw
avifil32
AVIStreamInfoA
AVIStreamGetFrame
winmm
PlaySoundA
waveOutPrepareHeader
waveOutUnprepareHeader
midiStreamRestart
midiStreamClose
midiOutReset
midiStreamStop
midiStreamOut
midiOutPrepareHeader
midiStreamProperty
midiStreamOpen
midiOutUnprepareHeader
waveOutOpen
waveOutGetNumDevs
waveOutClose
waveOutReset
waveOutPause
waveOutWrite
ws2_32
recv
getpeername
accept
WSACleanup
ioctlsocket
inet_ntoa
gethostbyname
WSAStartup
recvfrom
WSAAsyncSelect
closesocket
kernel32
GetVersion
IsDBCSLeadByte
lstrcmpA
lstrcmpiA
lstrcpynA
FileTimeToSystemTime
GetFileType
DuplicateHandle
SystemTimeToFileTime
GetLocalTime
DosDateTimeToFileTime
SetFileTime
InterlockedIncrement
InterlockedDecrement
LocalFree
FlushFileBuffers
LockFile
UnlockFile
SetEndOfFile
GlobalDeleteAtom
GlobalFindAtomA
GlobalAddAtomA
GlobalGetAtomNameA
LocalAlloc
TlsAlloc
GlobalHandle
TlsFree
TlsSetValue
LocalReAlloc
TlsGetValue
GetFileTime
GetCurrentThread
GlobalFlags
SetErrorMode
GetProcessVersion
GetCPInfo
GetOEMCP
RtlUnwind
GetSystemTime
RaiseException
HeapSize
GetACP
SetHandleCount
GetStdHandle
GetStartupInfoA
FreeEnvironmentStringsA
FreeEnvironmentStringsW
GetEnvironmentStrings
GetEnvironmentStringsW
GetEnvironmentVariableA
HeapDestroy
HeapCreate
VirtualFree
SetEnvironmentVariableA
LCMapStringA
LCMapStringW
VirtualAlloc
IsBadWritePtr
SetUnhandledExceptionFilter
GetStringTypeA
GetStringTypeW
CompareStringA
CompareStringW
IsBadReadPtr
IsBadCodePtr
SetStdHandle
GetTimeZoneInformation
SetLastError
GetSystemDirectoryA
GetWindowsDirectoryA
TerminateProcess
GetCurrentProcess
GetFileSize
SetFilePointer
CreateSemaphoreA
ResumeThread
ReleaseSemaphore
EnterCriticalSection
LeaveCriticalSection
GetProfileStringA
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
GetPrivateProfileStringA
CreateThread
CreateEventA
Sleep
GlobalAlloc
GlobalLock
GlobalUnlock
GetTempPathA
FindFirstFileA
FindClose
SetFileAttributesA
GetFileAttributesA
DeleteFileA
CreateDirectoryA
SetCurrentDirectoryA
GetVolumeInformationA
GetModuleHandleA
GetProcAddress
MulDiv
GetCommandLineA
GetTickCount
CreateProcessA
WaitForSingleObject
CloseHandle
InterlockedExchange
FileTimeToLocalFileTime
user32
GetSysColorBrush
GetWindowTextA
FindWindowExA
GetDlgItem
GetClassNameA
GetDesktopWindow
DrawStateA
FrameRect
GetNextDlgTabItem
LoadIconA
TranslateMessage
DrawFrameControl
DrawEdge
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
GetSystemMenu
DeleteMenu
GetMenu
SetMenu
PeekMessageA
IsIconic
LoadStringA
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
GetCursorPos
GetSystemMetrics
EmptyClipboard
SetClipboardData
OpenClipboard
GetClipboardData
CloseClipboard
wsprintfA
WaitForInputIdle
UnregisterClassA
GetMenuCheckMarkDimensions
GetMenuState
SetMenuItemBitmaps
CheckMenuItem
MoveWindow
SetWindowTextA
IsDialogMessageA
ScrollWindowEx
SendDlgItemMessageA
MapWindowPoints
AdjustWindowRectEx
GetScrollPos
RegisterClassA
GetMenuItemCount
GetMenuItemID
CreateWindowExA
SetWindowsHookExA
CallNextHookEx
GetClassLongA
SetPropA
UnhookWindowsHookEx
GetPropA
CallWindowProcA
RemovePropA
GetMessageTime
GetLastActivePopup
RegisterWindowMessageA
GetWindowPlacement
EndDialog
CreateDialogIndirectParamA
DestroyWindow
GrayStringA
DrawTextA
TabbedTextOutA
EndPaint
BeginPaint
GetWindowDC
GetWindowTextLengthA
CharUpperA
GetForegroundWindow
SetFocus
DrawFocusRect
gdi32
LPtoDP
DPtoLP
GetCurrentObject
RoundRect
StartDocA
StartPage
BitBlt
GetPixel
CreateCompatibleDC
GetTextExtentPoint32A
GetDeviceCaps
DeleteDC
EndDoc
EndPage
CreateFontIndirectA
GetStockObject
CreateSolidBrush
Rectangle
FillRgn
CreateRectRgn
CombineRgn
PatBlt
CreatePen
GetObjectA
SelectObject
CreatePatternBrush
CreateBitmap
CreateDCA
CreateCompatibleBitmap
GetPolyFillMode
GetStretchBltMode
GetROP2
GetBkColor
GetBkMode
GetTextColor
CreateRoundRectRgn
CreateEllipticRgn
PathToRegion
EndPath
BeginPath
GetWindowOrgEx
GetViewportOrgEx
GetWindowExtEx
GetDIBits
RealizePalette
SelectPalette
StretchBlt
CreatePalette
GetSystemPaletteEntries
CreateDIBitmap
DeleteObject
SelectClipRgn
CreatePolygonRgn
GetClipRgn
SetStretchBltMode
CreateDIBSection
CreateRectRgnIndirect
SetBkColor
TextOutA
SetBkMode
SetTextColor
SetDIBitsToDevice
SaveDC
RestoreDC
SetPolyFillMode
SetROP2
SetMapMode
SetViewportOrgEx
OffsetViewportOrgEx
SetViewportExtEx
ScaleViewportExtEx
SetWindowOrgEx
SetWindowExtEx
ScaleWindowExtEx
GetClipBox
ExcludeClipRect
MoveToEx
LineTo
ExtSelectClipRgn
GetViewportExtEx
PtVisible
RectVisible
ExtTextOutA
Escape
GetTextMetricsA
Ellipse
winspool.drv
OpenPrinterA
DocumentPropertiesA
ClosePrinter
comdlg32
GetSaveFileNameA
GetOpenFileNameA
ChooseColorA
GetFileTitleA
advapi32
RegCloseKey
RegOpenKeyExA
RegCreateKeyExA
RegSetValueExA
RegQueryValueA
shell32
SHGetSpecialFolderPathA
ShellExecuteA
Shell_NotifyIconA
ole32
OleInitialize
OleUninitialize
CLSIDFromString
oleaut32
UnRegisterTypeLi
RegisterTypeLi
LoadTypeLi
comctl32
_TrackMouseEvent
ord17
ImageList_Destroy
Exports
Exports
Sections
.text Size: 860KB - Virtual size: 859KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 1.4MB - Virtual size: 1.4MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 100KB - Virtual size: 396KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 32KB - Virtual size: 28KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 112KB - Virtual size: 108KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ