RunDllHostCallBack
Static task
static1
Behavioral task
behavioral1
Sample
4fff08c17c32e5cc092eb97cbe82db26.dll
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
4fff08c17c32e5cc092eb97cbe82db26.dll
Resource
win10v2004-20231222-en
General
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Target
4fff08c17c32e5cc092eb97cbe82db26
-
Size
1.6MB
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MD5
4fff08c17c32e5cc092eb97cbe82db26
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SHA1
2c4fe5ef0608dbebcbd5a9ec9f6dfe039716ea78
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SHA256
3b2abb2b4df132e82433f5c50ce2eb68df998d083e9caa6feb2ae0a477fa1afc
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SHA512
d3255eef90975fab9247cdf6d2ca164041bd442820920d2d6c254d942770cd3bdac717986ae99566c9c7f4f422f3b9002fc43907cfefc0e63b5e4cd0b8bebea5
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SSDEEP
24576:MMW+Fs66JVyJGrCDxk4DRfLWTZaqdiXSp0c02uFG6dAk3HMlZM:MdJwJrdWTZaqdwk0c05HGi4ZM
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 4fff08c17c32e5cc092eb97cbe82db26
Files
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4fff08c17c32e5cc092eb97cbe82db26.dll windows:4 windows x86 arch:x86
02b24452ecab1f6913c31e6074fd8093
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
kernel32
IsBadCodePtr
IsBadReadPtr
CompareStringW
CompareStringA
SetUnhandledExceptionFilter
GetStringTypeW
GetStringTypeA
IsBadWritePtr
VirtualAlloc
LCMapStringW
GlobalAlloc
SetEnvironmentVariableA
VirtualFree
HeapCreate
HeapDestroy
GetEnvironmentVariableA
GetEnvironmentStringsW
GetEnvironmentStrings
FreeEnvironmentStringsW
FreeEnvironmentStringsA
GetStartupInfoA
GetFileType
GetStdHandle
SetHandleCount
GetACP
HeapSize
TerminateProcess
GetLocalTime
GetSystemTime
GetTimeZoneInformation
RaiseException
RtlUnwind
GetOEMCP
GetCPInfo
GetProcessVersion
SetErrorMode
GlobalFlags
GetCurrentThread
Sleep
CreateSemaphoreA
ResumeThread
ReleaseSemaphore
EnterCriticalSection
LeaveCriticalSection
GetProfileStringA
WriteFile
ReadFile
GetLastError
WaitForMultipleObjects
CreateFileA
SetEvent
FindResourceA
LoadResource
LockResource
GetModuleFileNameA
GetCurrentThreadId
ExitProcess
GlobalSize
GlobalFree
DeleteCriticalSection
InitializeCriticalSection
lstrcatA
WinExec
lstrcpyA
FindNextFileA
GlobalReAlloc
HeapFree
HeapReAlloc
GetProcessHeap
HeapAlloc
GetUserDefaultLCID
GetFullPathNameA
FreeLibrary
LoadLibraryA
lstrlenA
lstrlenW
GetVersionExA
WritePrivateProfileStringA
CreateThread
SetStdHandle
CreateEventA
GetFileTime
GetFileSize
TlsGetValue
LocalReAlloc
TlsSetValue
TlsFree
GlobalHandle
TlsAlloc
LocalAlloc
lstrcmpA
GetVersion
GlobalGetAtomNameA
GlobalAddAtomA
GlobalFindAtomA
GlobalDeleteAtom
lstrcmpiA
GetThreadLocale
SetEndOfFile
UnlockFile
LockFile
FlushFileBuffers
SetFilePointer
GetCurrentProcess
DuplicateHandle
lstrcpynA
GlobalLock
GlobalUnlock
FindFirstFileA
FindClose
SetFileAttributesA
GetFileAttributesA
SetLastError
FileTimeToLocalFileTime
FileTimeToSystemTime
FormatMessageA
LocalFree
MultiByteToWideChar
WideCharToMultiByte
InterlockedDecrement
InterlockedIncrement
SetCurrentDirectoryA
GetVolumeInformationA
GetModuleHandleA
GetProcAddress
MulDiv
GetCommandLineA
GetTickCount
WaitForSingleObject
LCMapStringA
CloseHandle
user32
OpenClipboard
GetClipboardData
CloseClipboard
SetClipboardData
EmptyClipboard
GetSystemMetrics
wsprintfA
GetCursorPos
MessageBoxA
MessageBeep
SetWindowPos
SendMessageA
DestroyCursor
SetParent
IsWindow
PostMessageA
GetTopWindow
GetParent
GetFocus
GetClientRect
InvalidateRect
ValidateRect
UpdateWindow
EqualRect
GetWindowRect
SetForegroundWindow
DestroyMenu
IsChild
ReleaseDC
IsRectEmpty
FillRect
GetDC
SystemParametersInfoA
TranslateMessage
LoadIconA
DrawFrameControl
DrawEdge
DrawFocusRect
WindowFromPoint
GetMessageA
DispatchMessageA
SetRectEmpty
RegisterClipboardFormatA
CreateIconFromResourceEx
CreateIconFromResource
DrawIconEx
CreatePopupMenu
AppendMenuA
ModifyMenuA
CreateMenu
CreateAcceleratorTableA
GetDlgCtrlID
GetSubMenu
EnableMenuItem
ClientToScreen
EnumDisplaySettingsA
LoadImageA
ShowWindow
IsWindowEnabled
TranslateAcceleratorA
GetKeyState
CopyAcceleratorTableA
PostQuitMessage
IsZoomed
GetSystemMenu
DeleteMenu
GetClassInfoA
DefWindowProcA
GetMenu
SetMenu
PeekMessageA
IsIconic
SetFocus
GetActiveWindow
GetWindow
DestroyAcceleratorTable
SetWindowRgn
GetMessagePos
ScreenToClient
ChildWindowFromPointEx
CopyRect
LoadBitmapA
WinHelpA
KillTimer
SetTimer
GetWindowTextA
GetWindowTextLengthA
CharUpperA
GetWindowDC
BeginPaint
EndPaint
TabbedTextOutA
DrawTextA
GrayStringA
GetDlgItem
DestroyWindow
CreateDialogIndirectParamA
EndDialog
GetNextDlgTabItem
GetWindowPlacement
RegisterWindowMessageA
GetForegroundWindow
GetLastActivePopup
GetMessageTime
RemovePropA
CallWindowProcA
GetPropA
UnhookWindowsHookEx
SetPropA
SetCursor
CallNextHookEx
SetWindowsHookExA
CreateWindowExA
GetMenuItemID
GetMenuItemCount
RegisterClassA
GetScrollPos
AdjustWindowRectEx
MapWindowPoints
SendDlgItemMessageA
GetClassLongA
ScrollWindowEx
IsDialogMessageA
SetWindowTextA
MoveWindow
CheckMenuItem
SetMenuItemBitmaps
GetMenuState
GetMenuCheckMarkDimensions
GetClassNameA
GetDesktopWindow
CharNextA
SetWindowContextHelpId
MapDialogRect
UnregisterClassA
LoadStringA
GetSysColorBrush
GetNextDlgGroupItem
PostThreadMessageA
ReleaseCapture
GetCapture
SetCapture
GetScrollRange
SetScrollRange
SetScrollPos
InflateRect
SetRect
IntersectRect
DestroyIcon
PtInRect
OffsetRect
IsWindowVisible
EnableWindow
RedrawWindow
GetWindowLongA
SetWindowLongA
GetSysColor
SetActiveWindow
SetCursorPos
LoadCursorA
gdi32
CreateRectRgnIndirect
SetStretchBltMode
GetClipRgn
CreatePolygonRgn
SelectClipRgn
DeleteObject
CreateDIBitmap
GetSystemPaletteEntries
CreatePalette
StretchBlt
SelectPalette
RealizePalette
GetDIBits
GetWindowExtEx
GetViewportOrgEx
GetWindowOrgEx
BeginPath
EndPath
PathToRegion
CreateEllipticRgn
CreateRoundRectRgn
GetTextColor
GetBkMode
GetBkColor
GetROP2
GetStretchBltMode
GetPolyFillMode
CreateCompatibleBitmap
CreateDCA
CreateBitmap
SelectObject
CreatePen
PatBlt
FillRgn
CreateRectRgn
CombineRgn
CreateSolidBrush
CreateFontIndirectA
GetStockObject
GetObjectA
EndPage
EndDoc
DeleteDC
StartDocA
StartPage
BitBlt
CreateCompatibleDC
Ellipse
Rectangle
LPtoDP
DPtoLP
GetCurrentObject
RoundRect
GetTextExtentPoint32A
GetDeviceCaps
SetBkColor
GetMapMode
GetTextMetricsA
Escape
ExtTextOutA
TextOutA
RectVisible
PtVisible
GetViewportExtEx
ExtSelectClipRgn
LineTo
MoveToEx
ExcludeClipRect
GetClipBox
ScaleWindowExtEx
SetWindowExtEx
SetWindowOrgEx
ScaleViewportExtEx
SetViewportExtEx
OffsetViewportOrgEx
SetViewportOrgEx
SetMapMode
SetTextColor
SetROP2
SetPolyFillMode
SetBkMode
RestoreDC
SaveDC
winmm
waveOutReset
midiStreamRestart
midiStreamClose
midiOutReset
midiStreamStop
midiStreamOut
midiOutPrepareHeader
midiStreamProperty
midiStreamOpen
midiOutUnprepareHeader
waveOutOpen
waveOutGetNumDevs
waveOutClose
waveOutUnprepareHeader
waveOutPause
waveOutWrite
waveOutPrepareHeader
winspool.drv
ClosePrinter
DocumentPropertiesA
OpenPrinterA
advapi32
RegCloseKey
RegOpenKeyExA
RegSetValueExA
RegQueryValueA
RegCreateKeyExA
shell32
Shell_NotifyIconA
ShellExecuteA
ole32
StgCreateDocfileOnILockBytes
CreateILockBytesOnHGlobal
CoFreeUnusedLibraries
CoRegisterMessageFilter
CoRevokeClassObject
OleFlushClipboard
OleIsCurrentClipboard
StgOpenStorageOnILockBytes
CoTaskMemFree
CoTaskMemAlloc
CLSIDFromProgID
OleInitialize
OleUninitialize
CLSIDFromString
CoCreateInstance
OleRun
CoGetClassObject
oleaut32
LHashValOfNameSys
OleCreateFontIndirect
UnRegisterTypeLi
SysFreeString
RegisterTypeLi
SafeArrayCreate
SysAllocString
VariantInit
VariantCopyInd
SafeArrayAccessData
SafeArrayUnaccessData
SafeArrayGetDim
SafeArrayGetLBound
SafeArrayGetUBound
VariantChangeType
VariantClear
VariantCopy
VariantTimeToSystemTime
SysStringLen
SysAllocStringLen
SysAllocStringByteLen
SafeArrayGetElemsize
LoadTypeLi
comctl32
ImageList_Destroy
ord17
oledlg
ord8
ws2_32
recvfrom
recv
getpeername
accept
inet_ntoa
WSACleanup
closesocket
WSAAsyncSelect
ioctlsocket
comdlg32
GetOpenFileNameA
GetFileTitleA
ChooseColorA
GetSaveFileNameA
Exports
Exports
Sections
.text Size: 552KB - Virtual size: 548KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 900KB - Virtual size: 899KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 64KB - Virtual size: 174KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 24KB - Virtual size: 21KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 76KB - Virtual size: 75KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ