kuai[.]exe[.]vir

Resubmissions

22-11-2024 05:20

241122-f1maes1ldp 10

19-11-2024 04:50

241119-fgjees1elr 10

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General

Target

kuai.exe.vir
Size

31.4MB
MD5

bb1058c71041096a14109e59bdcb4e5f
SHA1

0ad3510e1e0f1e01fdd645e114f8ce743b1aed1b
SHA256

ac4e2d438500d0cd21f3fc269b37123dcd8c732bcf945b716b29643c411f4089
SHA512

f25a6cd4b741f33f10f06fad324d93b48013ffcfcb850fa50971b1b76bde381007b8bf5b0b736569ac5661e49a3e8d54b308f8f09dfbc8540b9911ee71ded99b
SSDEEP

393216:ysFBi0lwDQi8oo4zAQUi+9U8TEFzSVy6vbBYShIL6DNBjuy1K+HAfHiF3v:y+BBuEidD98TE8s6NzpS/Q

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
kuai.exe.vir

Files

kuai.exe.vir
.exe windows:5 windows x64 arch:x64

9d715ab20c6e41d0ed8cdbe91e00d6de

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE

Imports

kernel32

FlsSetValue
FlsFree
FlsAlloc
TerminateProcess
UnhandledExceptionFilter
SetUnhandledExceptionFilter
IsDebuggerPresent
RtlVirtualUnwind
RtlCaptureContext
GetACP
IsValidCodePage
GetStdHandle
HeapSetInformation
HeapCreate
LCMapStringA
LCMapStringW
GetStringTypeA
GetStringTypeW
FreeEnvironmentStringsA
GetEnvironmentStrings
FreeEnvironmentStringsW
FlsGetValue
SetHandleCount
GetFileType
QueryPerformanceCounter
GetSystemTimeAsFileTime
InitializeCriticalSectionAndSpinCount
GetTimeZoneInformation
GetConsoleCP
GetConsoleMode
SetStdHandle
WriteConsoleA
GetConsoleOutputCP
WriteConsoleW
CompareStringW
SetEnvironmentVariableA
DecodePointer
EncodePointer
HeapSize
HeapQueryInformation
ExitProcess
Sleep
RtlPcToFileHeader
RaiseException
GetStartupInfoA
GetCommandLineA
HeapReAlloc
HeapAlloc
HeapFree
RtlUnwindEx
RtlLookupFunctionEntry
GetFileSizeEx
LocalFileTimeToFileTime
GetFileAttributesExA
SetErrorMode
GetCurrentDirectoryA
FileTimeToLocalFileTime
SystemTimeToFileTime
FileTimeToSystemTime
GetModuleHandleW
GetOEMCP
GetCPInfo
TlsFree
DeleteCriticalSection
LocalReAlloc
TlsSetValue
GlobalHandle
GlobalReAlloc
TlsAlloc
InitializeCriticalSection
EnterCriticalSection
TlsGetValue
LeaveCriticalSection
LocalAlloc
GlobalFlags
GetDiskFreeSpaceA
GetFileTime
SetFileTime
GetShortPathNameA
GetFullPathNameA
GetVolumeInformationA
GetCurrentProcess
DuplicateHandle
GetFileSize
SetEndOfFile
UnlockFile
LockFile
FlushFileBuffers
SetFilePointer
lstrcmpiA
GetThreadLocale
GetStringTypeExA
GetCurrentThread
ConvertDefaultLocale
EnumResourceLanguagesA
GetLocaleInfoA
GetCurrentProcessId
lstrcmpA
GetModuleFileNameW
GetPrivateProfileStringA
WritePrivateProfileStringA
GetPrivateProfileIntA
GetProfileIntA
GetTickCount
CopyFileA
GlobalSize
FormatMessageA
LocalFree
lstrlenW
GetCurrentThreadId
GlobalGetAtomNameA
GlobalAddAtomA
GlobalFindAtomA
GlobalDeleteAtom
CompareStringA
MultiByteToWideChar
FreeLibrary
lstrcmpW
GetVersionExA
GlobalFree
FreeResource
GetModuleFileNameA
GetModuleHandleA
LoadLibraryA
GetProcAddress
GetLastError
SetLastError
lstrcpynA
GlobalAlloc
MulDiv
lstrcpyA
lstrcatA
GetTempFileNameA
WriteFile
FindFirstFileA
DeleteFileA
MoveFileA
FindClose
GetFileAttributesA
CreateFileA
ReadFile
CloseHandle
lstrlenA
GlobalLock
GlobalUnlock
WideCharToMultiByte
LoadResource
LockResource
SizeofResource
GetEnvironmentStringsW
FindResourceA

user32

CopyAcceleratorTableA
CreateMenu
PostThreadMessageA
GetTabbedTextExtentA
GetDCEx
LockWindowUpdate
DestroyIcon
IsDialogMessageA
SetDlgItemTextA
SetMenuItemBitmaps
GetMenuCheckMarkDimensions
LoadBitmapA
ModifyMenuA
GetMenuState
EnableMenuItem
CheckMenuItem
RegisterWindowMessageA
LoadIconA
SendDlgItemMessageA
WinHelpA
IsChild
GetCapture
SetWindowsHookExA
CallNextHookEx
GetClassLongA
GetClassNameA
GetClassLongPtrA
SetPropA
GetPropA
RemovePropA
GetFocus
SetFocus
GetWindowTextLengthA
GetWindowTextA
GetForegroundWindow
GetLastActivePopup
DispatchMessageA
BeginDeferWindowPos
EndDeferWindowPos
GetTopWindow
GetWindowLongPtrA
SetWindowLongPtrA
UnhookWindowsHookEx
GetMessageTime
GetMessagePos
PeekMessageA
MapWindowPoints
ScrollWindow
TrackPopupMenu
SetMenu
SetScrollRange
GetScrollRange
SetScrollPos
GetScrollPos
SetForegroundWindow
ShowScrollBar
IsWindowVisible
PostMessageA
GetSubMenu
GetMenuItemID
WindowFromPoint
CreateWindowExA
GetClassInfoExA
GetClassInfoA
RegisterClassA
AdjustWindowRectEx
EqualRect
DeferWindowPos
GetScrollInfo
SetScrollInfo
CopyRect
GetDlgCtrlID
PtInRect
DefWindowProcA
CallWindowProcA
GetMenu
SetWindowLongA
SetWindowPos
IntersectRect
SystemParametersInfoA
IsIconic
GetWindowPlacement
GetWindowRect
GetSystemMetrics
GetWindow
GetDesktopWindow
GetActiveWindow
SetActiveWindow
CreateDialogIndirectParamA
DestroyWindow
GetWindowLongA
IsWindowEnabled
GetParent
GetNextDlgTabItem
EndDialog
ShowWindow
OpenClipboard
SetCapture
SetTimer
GetClipboardData
EmptyClipboard
SetClipboardData
CloseClipboard
IsClipboardFormatAvailable
GetKeyState
EnableScrollBar
KillTimer
InvalidateRect
ReleaseDC
GetDC
ScreenToClient
OffsetRect
EnableWindow
SendMessageA
GetAsyncKeyState
SetParent
GetSystemMenu
TranslateAcceleratorA
LoadAcceleratorsA
ReleaseCapture
GetCursorPos
LoadCursorA
SetCursor
GetDlgItem
IsWindow
GetSysColor
ShowCaret
HideCaret
SetCaretPos
UpdateWindow
GetClientRect
CreateCaret
SetWindowRgn
DrawIcon
UnregisterClassA
GetSysColorBrush
GetMenuItemInfoA
CharUpperA
RegisterClipboardFormatA
ShowOwnedPopups
GetMessageA
TranslateMessage
ValidateRect
MessageBoxA
PostQuitMessage
DeleteMenu
IsZoomed
TranslateMDISysAccel
DrawMenuBar
DefMDIChildProcA
DefFrameProcA
IsRectEmpty
SetCursorPos
RedrawWindow
EndPaint
BeginPaint
GetWindowDC
ClientToScreen
GrayStringA
DrawTextExA
DrawTextA
TabbedTextOutA
FillRect
DestroyCursor
SetRect
SetWindowTextA
ReuseDDElParam
LoadMenuA
DestroyMenu
GetWindowThreadProcessId
InsertMenuItemA
CreatePopupMenu
SetRectEmpty
BringWindowToTop
InflateRect
GetMenuStringA
AppendMenuA
InsertMenuA
RemoveMenu
GetMenuItemCount
UnpackDDElParam

gdi32

DeleteDC
CreatePen
GetViewportOrgEx
Rectangle
PatBlt
GetStockObject
ExtTextOutA
CreateRectRgn
CreateRectRgnIndirect
SetRectRgn
CombineRgn
GetMapMode
DeleteObject
CreatePatternBrush
SaveDC
RestoreDC
SetBkMode
SetPolyFillMode
SetROP2
SetStretchBltMode
SetMapMode
ExcludeClipRect
IntersectClipRect
LineTo
MoveToEx
SetTextAlign
SelectClipRgn
GetViewportExtEx
GetWindowExtEx
GetPixel
PtVisible
RectVisible
TextOutA
Escape
EndDoc
SetViewportOrgEx
OffsetViewportOrgEx
SetViewportExtEx
ScaleViewportExtEx
SetWindowOrgEx
SetWindowExtEx
ScaleWindowExtEx
GetCurrentPositionEx
CreateSolidBrush
GetTextMetricsA
GetCharWidthA
CreateFontA
StretchDIBits
GetBkColor
CreateEllipticRgn
LPtoDP
Ellipse
GetNearestColor
GetBkMode
GetPolyFillMode
GetROP2
GetStretchBltMode
GetTextColor
GetTextAlign
GetTextFaceA
GetTextExtentPointA
GetWindowOrgEx
SetAbortProc
AbortDoc
EndPage
StartPage
StartDocA
DPtoLP
CreateDCA
CopyMetaFileA
CreateBitmap
SetBkColor
SetTextColor
GetClipBox
GetTextExtentPoint32A
BitBlt
SelectObject
CreateFontIndirectA
CreateCompatibleDC
CreateCompatibleBitmap
GetObjectA
GetDeviceCaps

comdlg32

GetFileTitleA

winspool.drv

DocumentPropertiesA
OpenPrinterA
GetJobA
ClosePrinter

advapi32

GetFileSecurityA
SetFileSecurityA
RegOpenKeyA
RegEnumKeyA
RegDeleteKeyA
RegDeleteValueA
RegSetValueExA
RegQueryValueExA
RegCreateKeyExA
RegSetValueA
RegOpenKeyExA
RegQueryValueA
RegCloseKey
RegCreateKeyA

shell32

ExtractIconA
DragAcceptFiles
ShellExecuteA
DragFinish
DragQueryFileA
SHGetFileInfoA
SHGetSpecialFolderPathA

shlwapi

PathFindFileNameA
PathStripToRootA
PathIsUNCA
PathFindExtensionA
PathRemoveFileSpecW

oledlg

ord8

ole32

OleDestroyMenuDescriptor
OleCreateMenuDescriptor
OleTranslateAccelerator
CoInitializeEx
CoUninitialize
CreateStreamOnHGlobal
CoCreateInstance
OleInitialize
CoFreeUnusedLibraries
OleUninitialize
DoDragDrop
OleFlushClipboard
OleIsCurrentClipboard
RevokeDragDrop
CoLockObjectExternal
RegisterDragDrop
OleGetClipboard
OleDuplicateData
CoTaskMemAlloc
ReleaseStgMedium
CoTaskMemFree
CoRegisterMessageFilter
CoRevokeClassObject
IsAccelerator

oleaut32

VariantClear
VariantInit
SysAllocStringLen
VariantChangeType

oleacc

LresultFromObject
CreateStdAccessibleObject

Sections

.text
Size: 572KB - Virtual size: 571KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 187KB - Virtual size: 187KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 30.6MB - Virtual size: 30.6MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 38KB - Virtual size: 38KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 75KB - Virtual size: 75KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Resubmissions

Sharing

General

Malware Config

Signatures

Files

9d715ab20c6e41d0ed8cdbe91e00d6de

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

gdi32

comdlg32

winspool.drv

advapi32

shell32

shlwapi

oledlg

ole32

oleaut32

oleacc

Sections

.text Size: 572KB - Virtual size: 571KB

.rdata Size: 187KB - Virtual size: 187KB

.data Size: 30.6MB - Virtual size: 30.6MB

.pdata Size: 38KB - Virtual size: 38KB

.rsrc Size: 75KB - Virtual size: 75KB

.text
Size: 572KB - Virtual size: 571KB

.rdata
Size: 187KB - Virtual size: 187KB

.data
Size: 30.6MB - Virtual size: 30.6MB

.pdata
Size: 38KB - Virtual size: 38KB

.rsrc
Size: 75KB - Virtual size: 75KB