Cln_Inst[.]exe

Resubmissions

25-08-2023 09:26

230825-lea8xscc2t 5

25-08-2023 09:11

230825-k5zhrsad47 3

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General

Target

Cln_Inst.exe
Size

1.6MB
MD5

42956cdbfe0f2354ebb55c09245c053d
SHA1

e2ce0f2c0fb0e18a59818904045cbe6d27c3ac63
SHA256

657430f9c34a05127ad85442cb3d0981dd25ad97cd5ff0985835d44ad0f931da
SHA512

eb99559e804c5ccbe32c53b8c6f518233088453efc22c2d742d5be8f8170d084b0dfedc487beddd76206a7043debe2c447be4b15c0e4fe1395a9b0add74c3423
SSDEEP

49152:pNP41hSbUTOq/+MOgprwpH/cxgh9hNYJeTEHr:XihSbUyq5OgprwpHUohNYMTEHr

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
Cln_Inst.exe

Files

Cln_Inst.exe
.exe windows x86

18d422390a5e15b0d08c14f95ddbd24c

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE

Imports

cfgdll

?UpdateConfig@@YA_NPAU_cln_cfg@@PAVCWnd@@@Z

kernel32

SetEnvironmentVariableA
GetEnvironmentVariableW
GetCommandLineA
CloseHandle
GetCurrentProcess
GetModuleFileNameA
lstrcpyA
GetComputerNameA
CreateFileA
SetNamedPipeHandleState
WaitNamedPipeA
Sleep
FlushFileBuffers
ReadFileEx
WriteFileEx
GetLastError
CancelIo
WaitForSingleObjectEx
CreateEventA
SetLastError
lstrlenW
LocalAlloc
LocalFree
DecodePointer
RaiseException
HeapAlloc
HeapReAlloc
HeapFree
HeapSize
GetProcessHeap
InitializeCriticalSectionEx
DeleteCriticalSection
FormatMessageA
GetUserDefaultLangID
OutputDebugStringA
FreeResource
GetModuleFileNameW
GetModuleHandleA
GetModuleHandleW
GetProcAddress
CreateFileW
LockResource
GlobalLock
SetFilePointerEx
GetConsoleCP
GetStringTypeW
GetTimeZoneInformation
TerminateProcess
SetUnhandledExceptionFilter
UnhandledExceptionFilter
FreeEnvironmentStringsW
GetEnvironmentStringsW
QueryPerformanceCounter
GetStartupInfoW
GetStdHandle
ReadConsoleW
GetConsoleMode
IsValidCodePage
GetFileType
SetStdHandle
IsProcessorFeaturePresent
IsDebuggerPresent
HeapQueryInformation
VirtualQuery
VirtualAlloc
GetSystemInfo
AreFileApisANSI
GetModuleHandleExW
ExitProcess
ExitThread
CreateThread
GetSystemTimeAsFileTime
RtlUnwind
FindResourceExW
GlobalUnlock
WriteConsoleW
OutputDebugStringW
LoadResource
LCMapStringW
GlobalFree
LoadLibraryW
FindResourceA
VirtualProtect
SearchPathA
GetProfileIntA
GetTickCount
GetTempFileNameA
GetTempPathA
VerifyVersionInfoA
VerSetConditionMask
GetFileTime
GetFileSizeEx
GetFileAttributesExA
GetFileAttributesA
FileTimeToLocalFileTime
SetErrorMode
GetWindowsDirectoryA
GetCPInfo
GetOEMCP
FileTimeToSystemTime
GetVolumeInformationA
lstrcmpiA
DuplicateHandle
WriteFile
UnlockFile
SetFilePointer
SetEndOfFile
ReadFile
LockFile
GetFullPathNameA
GetFileSize
FindFirstFileA
FindClose
DeleteFileA
GetUserDefaultUILanguage
GetSystemDefaultUILanguage
GetLocaleInfoW
CompareStringW
GetCurrentDirectoryA
LocalReAlloc
GlobalHandle
GlobalReAlloc
TlsFree
TlsSetValue
TlsGetValue
TlsAlloc
GetACP
InitializeCriticalSection
GlobalFlags
GlobalGetAtomNameA
GlobalFindAtomA
LoadLibraryA
lstrcmpW
GetSystemDirectoryW
InitializeCriticalSectionAndSpinCount
LeaveCriticalSection
EnterCriticalSection
EncodePointer
CopyFileA
MulDiv
GlobalSize
GetCurrentProcessId
GlobalAddAtomA
WritePrivateProfileStringA
GetPrivateProfileStringA
GetPrivateProfileIntA
CompareStringA
WideCharToMultiByte
MultiByteToWideChar
FindResourceW
lstrcmpA
GlobalDeleteAtom
GlobalAlloc
SizeofResource
LoadLibraryExW
FreeLibrary
GetVersionExA
GetCurrentThread
ResumeThread
SetThreadPriority
GetCurrentThreadId
WaitForSingleObject

user32

SetMenuDefaultItem
CopyIcon
GetDoubleClickTime
SetClassLongA
SetCursorPos
CopyAcceleratorTableA
DestroyAcceleratorTable
CreateAcceleratorTableA
LoadAcceleratorsW
ToAsciiEx
GetKeyboardState
LockWindowUpdate
SetRect
MapVirtualKeyExA
IsCharLowerA
GetKeyboardLayout
PostThreadMessageA
IsZoomed
GetComboBoxInfo
LoadMenuW
TrackMouseEvent
MonitorFromPoint
UpdateLayeredWindow
IsMenu
SetWindowRgn
DrawFrameControl
DrawEdge
LoadImageW
DrawStateA
EmptyClipboard
SetClipboardData
CloseClipboard
OpenClipboard
EnumDisplayMonitors
SetLayeredWindowAttributes
SetParent
GetSystemMenu
UnionRect
GetKeyNameTextA
MapVirtualKeyA
NotifyWinEvent
InvertRect
HideCaret
EnableScrollBar
GetAsyncKeyState
MessageBeep
GetIconInfo
DrawIconEx
IsRectEmpty
DrawFocusRect
GetNextDlgGroupItem
ReuseDDElParam
UnpackDDElParam
LoadImageA
OffsetRect
SetRectEmpty
InsertMenuItemA
LoadMenuA
TranslateAcceleratorA
LoadAcceleratorsA
BringWindowToTop
GetMenuDefaultItem
CreatePopupMenu
GetMenuItemInfoA
IntersectRect
InflateRect
LoadCursorW
WindowFromPoint
ReleaseCapture
SetCapture
WaitMessage
CharUpperA
DestroyIcon
InvalidateRect
KillTimer
SetTimer
DeleteMenu
SystemParametersInfoA
CopyImage
LoadCursorA
GetSysColorBrush
RealChildWindowFromPoint
IsDialogMessageA
SetWindowTextA
ModifyMenuA
CheckDlgButton
MoveWindow
ShowWindow
GetMonitorInfoA
MonitorFromWindow
WinHelpA
GetScrollInfo
SetScrollInfo
LoadIconA
GetTopWindow
GetClassNameA
GetClassLongA
SetWindowLongA
PtInRect
EqualRect
CopyRect
MapWindowPoints
AdjustWindowRectEx
GetWindowRect
RemovePropA
GetPropA
SetPropA
ShowScrollBar
GetScrollRange
SetScrollRange
ScrollWindow
RedrawWindow
SetForegroundWindow
GetForegroundWindow
UpdateWindow
TrackPopupMenu
SetMenu
GetMenu
GetCapture
GetDlgCtrlID
EndDeferWindowPos
DeferWindowPos
BeginDeferWindowPos
SetWindowPlacement
GetWindowPlacement
SetWindowPos
IsChild
CreateWindowExA
GetClassInfoExA
GetClassInfoA
RegisterClassA
CallWindowProcA
DefWindowProcA
GetMessageTime
GetMessagePos
RegisterWindowMessageA
GetWindow
GetWindowTextLengthA
GetWindowTextA
GetScrollPos
SetScrollPos
SetFocus
FillRect
GetSysColor
ScreenToClient
ClientToScreen
EndPaint
BeginPaint
ReleaseDC
GetWindowDC
GetDC
TabbedTextOutA
GrayStringA
DrawTextExA
DrawTextA
UnhookWindowsHookEx
RemoveMenu
AppendMenuA
InsertMenuA
GetMenuItemCount
GetMenuItemID
GetSubMenu
GetMenuState
GetMenuStringA
GetLastActivePopup
GetWindowThreadProcessId
RegisterClipboardFormatA
CharUpperBuffA
FrameRect
DrawMenuBar
DefFrameProcA
DefMDIChildProcA
TranslateMDISysAccel
IsClipboardFormatAvailable
GetUpdateRect
SubtractRect
GetWindowRgn
DestroyCursor
MapDialogRect
SendDlgItemMessageA
CreateMenu
SetCursor
ShowOwnedPopups
PostQuitMessage
PostMessageA
CallNextHookEx
SetWindowsHookExA
GetCursorPos
ValidateRect
GetKeyState
IsWindowVisible
PeekMessageA
DispatchMessageA
TranslateMessage
GetMessageA
GetDesktopWindow
GetWindowLongA
SetActiveWindow
IsWindowEnabled
GetActiveWindow
GetNextDlgTabItem
GetDlgItem
EndDialog
CreateDialogIndirectParamA
DestroyWindow
IsWindow
LoadBitmapW
GetParent
SetMenuItemInfoA
GetMenuCheckMarkDimensions
SetMenuItemBitmaps
EnableMenuItem
CheckMenuItem
GetFocus
UnregisterClassA
wsprintfW
wsprintfA
LoadIconW
MessageBoxA
GetClientRect
DrawIcon
GetSystemMetrics
EnableWindow
IsIconic
SendMessageA
DestroyMenu

gdi32

SetLayout
GetLayout
SetPolyFillMode
SetROP2
SetTextColor
SetTextAlign
GetObjectA
MoveToEx
TextOutA
ExtTextOutA
SetViewportExtEx
SetViewportOrgEx
SetWindowExtEx
SetWindowOrgEx
OffsetViewportOrgEx
OffsetWindowOrgEx
ScaleViewportExtEx
ScaleWindowExtEx
CreateFontIndirectA
GetTextExtentPoint32A
GetTextMetricsA
CombineRgn
CreateRectRgnIndirect
PatBlt
SetRectRgn
DPtoLP
CreateCompatibleBitmap
CreatePalette
GetNearestPaletteIndex
GetPaletteEntries
GetSystemPaletteEntries
RealizePalette
GetBkColor
SetMapMode
CreateDIBitmap
EnumFontFamiliesA
GetTextCharsetInfo
SetPixel
StretchBlt
CreateDIBSection
SetDIBColorTable
CreateEllipticRgn
Ellipse
GetTextColor
CreatePolygonRgn
Polygon
Polyline
Rectangle
EnumFontFamiliesExA
GetRgnBox
OffsetRgn
CreateRoundRectRgn
RoundRect
FrameRgn
PtInRegion
SetPixelV
ExtFloodFill
SetPaletteEntries
FillRgn
GetBoundsRect
GetWindowOrgEx
LPtoDP
GetViewportOrgEx
GetTextFaceA
SetBkMode
SetBkColor
SelectPalette
SelectObject
ExtSelectClipRgn
SelectClipRgn
SaveDC
RestoreDC
RectVisible
PtVisible
LineTo
IntersectClipRect
GetWindowExtEx
GetViewportExtEx
GetStockObject
GetPixel
GetObjectType
GetClipBox
ExcludeClipRect
Escape
DeleteObject
DeleteDC
CreateSolidBrush
CreateRectRgn
CreatePatternBrush
CreatePen
CreateHatchBrush
CreateCompatibleDC
BitBlt
GetDeviceCaps
CreateDCA
CopyMetaFileA
CreateBitmap

msimg32

AlphaBlend
TransparentBlt

winspool.drv

ClosePrinter
OpenPrinterA
DocumentPropertiesA

advapi32

GetTokenInformation
RegEnumKeyExA
RegEnumValueA
RegQueryValueA
RegEnumKeyA
RegDeleteValueA
StartServiceA
QueryServiceStatus
QueryServiceConfigA
OpenServiceA
OpenSCManagerA
DeleteService
CreateServiceA
ControlService
CloseServiceHandle
ChangeServiceConfigA
RegSetValueExA
RegQueryValueExA
RegOpenKeyExA
RegDeleteKeyA
RegCreateKeyExA
RegCloseKey
LsaNtStatusToWinError
LsaRemoveAccountRights
LsaAddAccountRights
LsaEnumerateAccountRights
LsaOpenPolicy
LsaClose
LookupAccountNameA
RevertToSelf
LookupAccountSidA
OpenProcessToken

shell32

SHBrowseForFolderA
SHGetFileInfoA
SHGetPathFromIDListA
SHGetSpecialFolderLocation
SHGetDesktopFolder
DragQueryFileA
SHAppBarMessage
ShellExecuteA
DragFinish

shlwapi

PathFindFileNameA
PathIsUNCA
PathStripToRootA
StrFormatKBSizeA
PathFindExtensionA
PathRemoveFileSpecW

uxtheme

DrawThemeParentBackground
GetWindowTheme
GetThemeSysColor
IsAppThemed
DrawThemeText
DrawThemeBackground
IsThemeBackgroundPartiallyTransparent
GetThemePartSize
GetCurrentThemeName
OpenThemeData
CloseThemeData
GetThemeColor

ole32

ReleaseStgMedium
OleDuplicateData
CoTaskMemFree
CoTaskMemAlloc
CoInitialize
CoCreateInstance
CoCreateGuid
CoDisconnectObject
RevokeDragDrop
RegisterDragDrop
CoLockObjectExternal
CoInitializeEx
CreateStreamOnHGlobal
DoDragDrop
OleLockRunning
OleGetClipboard
IsAccelerator
OleTranslateAccelerator
OleDestroyMenuDescriptor
CoUninitialize
OleCreateMenuDescriptor

oleaut32

SysAllocStringLen
SysAllocString
VarBstrFromDate
VariantCopy
VariantTimeToSystemTime
SystemTimeToVariantTime
SysStringLen
LoadTypeLi
VariantChangeType
VariantClear
VariantInit
SysAllocStringByteLen
SysFreeString

ws2_32

WSAGetLastError
getpeername
htons
ntohs
recv
send
socket
WSAStartup
WSACleanup
connect
inet_addr
gethostbyname
gethostname
closesocket

oleacc

CreateStdAccessibleObject
AccessibleObjectFromWindow
LresultFromObject

gdiplus

GdipGetImagePixelFormat
GdipGetImageHeight
GdipGetImageWidth
GdipGetImageGraphicsContext
GdipGetImagePalette
GdipCloneImage
GdiplusStartup
GdipFree
GdipAlloc
GdiplusShutdown
GdipGetImagePaletteSize
GdipCreateBitmapFromStream
GdipCreateBitmapFromScan0
GdipBitmapLockBits
GdipBitmapUnlockBits
GdipDeleteGraphics
GdipDrawImageI
GdipCreateBitmapFromHBITMAP
GdipCreateFromHDC
GdipSetInterpolationMode
GdipDisposeImage
GdipDrawImageRectI

imm32

ImmReleaseContext
ImmGetContext
ImmGetOpenStatus

winmm

PlaySoundA

Sections

.text
Size: 1.3MB - Virtual size: 1.3MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 302KB - Virtual size: 302KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 26KB - Virtual size: 59KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 19KB - Virtual size: 18KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Resubmissions

Sharing

General

Malware Config

Signatures

Files

18d422390a5e15b0d08c14f95ddbd24c

Headers

DLL Characteristics

File Characteristics

Imports

cfgdll

kernel32

user32

gdi32

msimg32

winspool.drv

advapi32

shell32

shlwapi

uxtheme

ole32

oleaut32

ws2_32

oleacc

gdiplus

imm32

winmm

Sections

.text Size: 1.3MB - Virtual size: 1.3MB

.rdata Size: 302KB - Virtual size: 302KB

.data Size: 26KB - Virtual size: 59KB

.rsrc Size: 19KB - Virtual size: 18KB

.text
Size: 1.3MB - Virtual size: 1.3MB

.rdata
Size: 302KB - Virtual size: 302KB

.data
Size: 26KB - Virtual size: 59KB

.rsrc
Size: 19KB - Virtual size: 18KB