RunDllHostCallBack
Static task
static1
Behavioral task
behavioral1
Sample
c39bf52ab33221d7c12441e4e6046bd1.dll
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
c39bf52ab33221d7c12441e4e6046bd1.dll
Resource
win10v2004-20240226-en
General
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Target
c39bf52ab33221d7c12441e4e6046bd1
-
Size
948KB
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MD5
c39bf52ab33221d7c12441e4e6046bd1
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SHA1
991a06496b643f0222251ed0eb8561a8e8f5b51d
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SHA256
79e90b711cdc848d0756c1bcd3ec309ab834932c3da2c6576c90088e64ae9639
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SHA512
26d9559920ed475b8b30b033366d87df63f0ce2d0698e03dc1497be19d71287c4989434af3d88cf4c8cd1a0f98ea624697b7fd51ae07388bd197ea13c719d05a
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SSDEEP
12288:pYey3mj3XpGo63qA1CGCGFe9XmF5qH/SMZoSBXjn0F0vP:pYeyAJvYqSCGCGkpmZM9zl
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource c39bf52ab33221d7c12441e4e6046bd1
Files
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c39bf52ab33221d7c12441e4e6046bd1.dll windows:4 windows x86 arch:x86
8a9445084f790a545ce50088bed34cfe
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
SetStdHandle
IsBadCodePtr
IsBadReadPtr
CompareStringW
CompareStringA
SetUnhandledExceptionFilter
GetStringTypeW
GetStringTypeA
IsBadWritePtr
VirtualAlloc
LCMapStringW
LCMapStringA
SetEnvironmentVariableA
GlobalAlloc
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
GetFullPathNameA
FreeLibrary
LoadLibraryA
lstrlenA
GetVersionExA
WritePrivateProfileStringA
CreateThread
CreateEventA
GetFileTime
GetFileSize
TlsGetValue
LocalReAlloc
TlsSetValue
TlsFree
GlobalHandle
TlsAlloc
LocalAlloc
lstrcmpA
GetVersion
GlobalGetAtomNameA
GlobalAddAtomA
GlobalFindAtomA
GlobalDeleteAtom
lstrcmpiA
SetEndOfFile
UnlockFile
LockFile
FlushFileBuffers
SetFilePointer
GetCurrentProcess
DuplicateHandle
lstrcpynA
SetLastError
FileTimeToLocalFileTime
GlobalLock
GlobalUnlock
FindFirstFileA
FindClose
GetFileAttributesA
FileTimeToSystemTime
LocalFree
MultiByteToWideChar
WideCharToMultiByte
InterlockedDecrement
InterlockedIncrement
SetCurrentDirectoryA
GetVolumeInformationA
GetModuleHandleA
GetProcAddress
MulDiv
GetCommandLineA
GetTickCount
WaitForSingleObject
CloseHandle
user32
OpenClipboard
GetClipboardData
CloseClipboard
SetClipboardData
EmptyClipboard
wsprintfA
GetSystemMetrics
GetCursorPos
MessageBoxA
SetWindowPos
SendMessageA
DestroyCursor
SetParent
IsWindow
PostMessageA
GetTopWindow
GetParent
GetFocus
GetClientRect
InvalidateRect
ValidateRect
UpdateWindow
EqualRect
GetWindowRect
SetForegroundWindow
DestroyMenu
IsChild
ReleaseDC
IsRectEmpty
FillRect
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
ReleaseCapture
GetCapture
GetWindowTextA
GetWindowTextLengthA
CharUpperA
GetWindowDC
BeginPaint
EndPaint
TabbedTextOutA
DrawTextA
GrayStringA
GetDlgItem
DestroyWindow
CreateDialogIndirectParamA
EndDialog
GetNextDlgTabItem
GetWindowPlacement
GetDC
GetForegroundWindow
GetLastActivePopup
GetMessageTime
RemovePropA
CallWindowProcA
GetPropA
UnhookWindowsHookEx
SetPropA
GetClassLongA
CallNextHookEx
SetWindowsHookExA
CreateWindowExA
GetMenuItemID
GetMenuItemCount
RegisterClassA
GetScrollPos
RegisterWindowMessageA
AdjustWindowRectEx
MapWindowPoints
SendDlgItemMessageA
ScrollWindowEx
IsDialogMessageA
SetWindowTextA
MoveWindow
CheckMenuItem
SetMenuItemBitmaps
GetMenuState
GetMenuCheckMarkDimensions
GetClassNameA
GetDesktopWindow
UnregisterClassA
LoadStringA
GetSysColorBrush
SetCapture
GetScrollRange
SetScrollRange
SetScrollPos
InflateRect
SetRect
IntersectRect
DestroyIcon
PtInRect
OffsetRect
IsWindowVisible
EnableWindow
RedrawWindow
GetWindowLongA
SetWindowLongA
GetSysColor
SetActiveWindow
SetCursorPos
LoadCursorA
SetCursor
gdi32
SetBkColor
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
GetObjectA
CreatePen
PatBlt
FillRgn
CreateRectRgn
CombineRgn
CreateSolidBrush
GetStockObject
CreateFontIndirectA
EndPage
EndDoc
DeleteDC
StartDocA
StartPage
BitBlt
GetPixel
CreateCompatibleDC
SetPixelV
Ellipse
Rectangle
LPtoDP
DPtoLP
GetCurrentObject
RoundRect
GetTextExtentPoint32A
GetDeviceCaps
GetTextMetricsA
Escape
ExtTextOutA
TextOutA
RectVisible
PtVisible
GetViewportExtEx
ExtSelectClipRgn
LineTo
MoveToEx
ExcludeClipRect
GetClipBox
ScaleWindowExtEx
SetWindowExtEx
SetWindowOrgEx
ScaleViewportExtEx
SetViewportExtEx
OffsetViewportOrgEx
SetViewportOrgEx
SetMapMode
SetROP2
SetPolyFillMode
SetBkMode
RestoreDC
SaveDC
SetTextColor
winmm
waveOutReset
midiStreamRestart
midiStreamClose
midiOutReset
midiStreamStop
midiStreamOut
midiOutPrepareHeader
midiStreamProperty
midiStreamOpen
midiOutUnprepareHeader
waveOutOpen
waveOutGetNumDevs
waveOutClose
waveOutUnprepareHeader
waveOutPause
waveOutWrite
waveOutPrepareHeader
winspool.drv
ClosePrinter
DocumentPropertiesA
OpenPrinterA
advapi32
RegCreateKeyExA
RegCloseKey
RegOpenKeyExA
RegSetValueExA
RegQueryValueA
shell32
Shell_NotifyIconA
ShellExecuteA
ole32
OleUninitialize
CLSIDFromString
OleInitialize
oleaut32
UnRegisterTypeLi
RegisterTypeLi
LoadTypeLi
comctl32
ImageList_Destroy
ord17
ImageList_Draw
ImageList_GetImageCount
_TrackMouseEvent
ImageList_GetImageInfo
ws2_32
recvfrom
recv
getpeername
accept
inet_ntoa
WSACleanup
ioctlsocket
closesocket
WSAAsyncSelect
comdlg32
GetFileTitleA
GetSaveFileNameA
GetOpenFileNameA
ChooseColorA
Exports
Exports
Sections
.text Size: 512KB - Virtual size: 508KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 232KB - Virtual size: 230KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 60KB - Virtual size: 170KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 72KB - Virtual size: 68KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 68KB - Virtual size: 67KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ