winupdateuninstall[.]exe

Sharing

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General

Target

winupdateuninstall.exe
Size

781KB
MD5

6739cf871d4a99055645bcda2a3112c4
SHA1

d4c6b6e10786017699054676edca56e2a0ab0975
SHA256

d9c5774e66a9b2955475824a50819aef60ada18697e10f8c1ec40cd6d14bbc1d
SHA512

70f7f6b71faced6a379691bdd56cf6574427b9ff1d129b685eae05fde786b21122caf4f16107bcae5b6def0a628eb93382ad9ac315b6c22ee1359d27de6fb75a
SSDEEP

12288:lIbU9zR9h0tYEkQx3FqvxF6BRpwymRZPkXFdU:lIbU9LatDk8qvxF6dwymbkXFdU

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
winupdateuninstall.exe

Files

winupdateuninstall.exe
.exe windows:5 windows x86

cd72e942ac03b9c7c92f6aa6500828d2

Headers

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE

Imports

wsock32

WSACleanup
inet_addr
gethostbyname
gethostname
WSAStartup

winmm

mixerSetControlDetails
waveOutGetVolume
joyGetPosEx
mixerGetControlDetailsW
mixerOpen
mixerGetDevCapsW
mixerGetLineControlsW
waveOutSetVolume
mixerClose
mciSendStringW
joyGetDevCapsW
mixerGetLineInfoW

version

VerQueryValueW
GetFileVersionInfoW
GetFileVersionInfoSizeW

comctl32

ImageList_Create
CreateStatusWindowW
ImageList_ReplaceIcon
ord17
ImageList_GetIconSize
ImageList_Destroy
ImageList_AddMasked

psapi

GetModuleBaseNameW
GetModuleFileNameExW

kernel32

FindNextFileW
FindClose
FileTimeToLocalFileTime
SetEnvironmentVariableW
Beep
MoveFileW
OutputDebugStringW
CreateProcessW
GetFileAttributesW
WideCharToMultiByte
MultiByteToWideChar
GetExitCodeProcess
WriteProcessMemory
ReadProcessMemory
GetCurrentProcessId
OpenProcess
TerminateProcess
SetPriorityClass
SetLastError
GetEnvironmentVariableW
GetLocalTime
GetDateFormatW
GetTimeFormatW
SetErrorMode
GetDiskFreeSpaceW
SetVolumeLabelW
CreateFileW
DeviceIoControl
GetDriveTypeW
GetVolumeInformationW
CreateDirectoryW
ReadFile
WriteFile
GlobalSize
DeleteFileW
SetFileAttributesW
LocalFileTimeToFileTime
SetFileTime
GetSystemTime
GetComputerNameW
GetWindowsDirectoryW
GetTempPathW
GetFullPathNameW
GetShortPathNameW
FindFirstFileW
FreeLibrary
EnterCriticalSection
LeaveCriticalSection
VirtualProtect
QueryDosDeviceW
CompareStringW
RemoveDirectoryW
CopyFileW
GetCurrentProcess
FormatMessageW
GetPrivateProfileStringW
GetPrivateProfileSectionW
GetPrivateProfileSectionNamesW
WritePrivateProfileStringW
WritePrivateProfileSectionW
SetEndOfFile
GetACP
GetFileType
SetFilePointerEx
GetFileSizeEx
SystemTimeToFileTime
FileTimeToSystemTime
GetFileSize
VirtualAllocEx
VirtualFreeEx
EnumResourceNamesW
LoadLibraryExW
IsValidCodePage
GetOEMCP
InterlockedDecrement
InterlockedIncrement
GetStartupInfoW
HeapSetInformation
GetCommandLineW
HeapQueryInformation
HeapSize
HeapFree
HeapReAlloc
ExitProcess
HeapAlloc
UnhandledExceptionFilter
SetUnhandledExceptionFilter
IsDebuggerPresent
GetStdHandle
HeapCreate
InitializeCriticalSectionAndSpinCount
LockResource
LoadResource
SizeofResource
FindResourceW
GetSystemTimeAsFileTime
GetModuleFileNameW
DeleteCriticalSection
GetCPInfo
MulDiv
GetVersionExW
GetLastError
CreateMutexW
CloseHandle
GetExitCodeThread
SetThreadPriority
CreateThread
lstrcmpiW
GetCurrentThreadId
GlobalUnlock
GlobalFree
GlobalAlloc
GlobalLock
GetModuleHandleW
GetProcAddress
GetCurrentDirectoryW
InitializeCriticalSection
SetCurrentDirectoryW
Sleep
GetTickCount
TlsAlloc
TlsGetValue
TlsSetValue
SetHandleCount
IsProcessorFeaturePresent
GetStringTypeW
LCMapStringW
RaiseException
RtlUnwind
GetConsoleCP
GetConsoleMode
FreeEnvironmentStringsW
GetEnvironmentStringsW
TlsFree
QueryPerformanceCounter
SetFilePointer
FlushFileBuffers
WriteConsoleW
SetStdHandle
GetProcessHeap
LoadLibraryW
VirtualQuery

user32

GetMenuStringW
IsWindowEnabled
ExitWindowsEx
SetMenu
FlashWindow
MapWindowPoints
RedrawWindow
SetParent
GetClassInfoExW
UpdateWindow
GetMessagePos
GetClassLongW
DefDlgProcW
CallWindowProcW
CheckRadioButton
IntersectRect
PtInRect
CreateAcceleratorTableW
DestroyAcceleratorTable
AppendMenuW
SetMenuDefaultItem
RemoveMenu
SetMenuItemInfoW
IsMenu
CreateMenu
CreatePopupMenu
SetMenuInfo
DestroyMenu
TrackPopupMenuEx
CreateIconIndirect
GetDesktopWindow
CopyImage
LookupIconIdFromDirectoryEx
CreateIconFromResourceEx
GetWindow
BringWindowToTop
GetTopWindow
SetRect
GetIconInfo
SetWindowTextW
IsWindowVisible
CheckMenuItem
MessageBoxW
SetClipboardViewer
LoadAcceleratorsW
GetSubMenu
GetMenu
CreateWindowExW
RegisterClassExW
LoadImageW
ChangeClipboardChain
DestroyIcon
DestroyWindow
IsCharAlphaW
MapVirtualKeyW
VkKeyScanExW
GetWindowTextW
DefWindowProcW
WindowFromPoint
GetSystemMetrics
keybd_event
SetKeyboardState
GetKeyboardState
GetCursorPos
GetAsyncKeyState
AttachThreadInput
SendInput
UnregisterHotKey
RegisterHotKey
PostQuitMessage
SendMessageTimeoutW
UnhookWindowsHookEx
SetWindowsHookExW
PostThreadMessageW
IsCharUpperW
IsCharLowerW
IsCharAlphaNumericW
ToUnicodeEx
GetKeyboardLayout
CallNextHookEx
CharLowerW
ReleaseDC
GetDC
OpenClipboard
GetClipboardData
GetClipboardFormatNameW
CloseClipboard
SetClipboardData
EmptyClipboard
PostMessageW
FindWindowW
EndDialog
IsWindow
GetMenuItemID
GetMenuItemCount
GetCursor
ClientToScreen
GetCaretPos
EnumClipboardFormats
MessageBeep
SetDlgItemTextW
GetDlgItem
SendDlgItemMessageW
DialogBoxParamW
EnableMenuItem
SetForegroundWindow
DispatchMessageW
TranslateMessage
ShowWindow
CountClipboardFormats
SetWindowLongW
ScreenToClient
IsDialogMessageW
SendMessageW
GetWindowLongW
GetKeyState
FillRect
DrawIconEx
GetSysColorBrush
GetSysColor
RegisterWindowMessageW
IsIconic
IsZoomed
EnumWindows
GetWindowTextLengthW
EnableWindow
InvalidateRect
SetWindowPos
SetWindowRgn
SetFocus
SetActiveWindow
EnumChildWindows
MoveWindow
GetQueueStatus
GetWindowRect
GetClientRect
SystemParametersInfoW
TranslateAcceleratorW
KillTimer
PeekMessageW
GetFocus
GetClassNameW
GetWindowThreadProcessId
GetForegroundWindow
GetMessageW
SetTimer
GetParent
GetDlgCtrlID
CharUpperW
IsClipboardFormatAvailable
AdjustWindowRectEx
mouse_event
DrawTextW
LoadCursorW

gdi32

FillRgn
GetClipBox
SetBkMode
EnumFontFamiliesExW
CreateDIBSection
GdiFlush
ExcludeClipRect
SetTextColor
SetBkColor
GetPixel
BitBlt
CreateCompatibleBitmap
GetSystemPaletteEntries
GetDIBits
CreateCompatibleDC
CreatePolygonRgn
CreateRectRgn
CreateRoundRectRgn
CreateEllipticRgn
DeleteDC
GetObjectW
GetTextMetricsW
GetTextFaceW
SelectObject
GetStockObject
CreateDCW
CreateSolidBrush
CreateFontW
GetClipRgn
GetDeviceCaps
DeleteObject

comdlg32

GetOpenFileNameW
CommDlgExtendedError
GetSaveFileNameW

advapi32

RegDeleteKeyW
RegSetValueExW
RegCreateKeyExW
RegQueryValueExW
AdjustTokenPrivileges
LookupPrivilegeValueW
OpenProcessToken
CloseServiceHandle
UnlockServiceDatabase
LockServiceDatabase
OpenSCManagerW
GetUserNameW
RegEnumKeyExW
RegEnumValueW
RegQueryInfoKeyW
RegOpenKeyExW
RegCloseKey
RegConnectRegistryW
RegDeleteValueW

shell32

DragQueryPoint
SHFileOperationW
SHGetPathFromIDListW
SHBrowseForFolderW
SHGetDesktopFolder
SHGetMalloc
SHGetFolderPathW
ShellExecuteExW
Shell_NotifyIconW
DragFinish
DragQueryFileW
ExtractIconW

ole32

OleInitialize
OleUninitialize
CoCreateInstance
CoInitialize
CoUninitialize
CLSIDFromString
CoGetObject
StringFromGUID2
CreateStreamOnHGlobal

oleaut32

SafeArrayGetDim
GetActiveObject
OleLoadPicture
SafeArrayUnaccessData
SafeArrayAccessData
SafeArrayUnlock
VariantCopy
SafeArrayGetElemsize
SafeArrayPtrOfIndex
SafeArrayLock
SafeArrayDestroy
SafeArrayGetLBound
SafeArrayGetUBound
SafeArrayCopy
SysAllocString
VariantChangeType
VariantClear
SafeArrayCreate
SysFreeString
SysStringLen

Sections

.text
Size: 616KB - Virtual size: 616KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 138KB - Virtual size: 137KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 11KB - Virtual size: 38KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 14KB - Virtual size: 14KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

cd72e942ac03b9c7c92f6aa6500828d2

Headers

File Characteristics

Imports

wsock32

winmm

version

comctl32

psapi

kernel32

user32

gdi32

comdlg32

advapi32

shell32

ole32

oleaut32

Sections

.text Size: 616KB - Virtual size: 616KB

.rdata Size: 138KB - Virtual size: 137KB

.data Size: 11KB - Virtual size: 38KB

.rsrc Size: 14KB - Virtual size: 14KB

.text
Size: 616KB - Virtual size: 616KB

.rdata
Size: 138KB - Virtual size: 137KB

.data
Size: 11KB - Virtual size: 38KB

.rsrc
Size: 14KB - Virtual size: 14KB