Static task
static1
Behavioral task
behavioral1
Sample
vncviewer.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
vncviewer.exe
Resource
win10v2004-20230915-en
General
-
Target
vncviewer.exe
-
Size
356KB
-
MD5
1e447b068d464b4d3bb9096ba2b7614f
-
SHA1
d2df05f9be5abc2f4bd10538280529e4507bdbbd
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SHA256
7c9fbecc1c81cf501709029b0df80a201519acd6445fcc66ea66108919120e20
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SHA512
347e30e6fae9f592b1cac9a48d823671f674d04f8ce6144a10b20c48e8b0e076a10078080a4929591e784cbf099a1ce8d9c4fc58a1b41b84a5b40eacae64b79b
-
SSDEEP
6144:Mxs/J32yTk0mkFNC555lLtsRSeL5ICvzwLcHADVOunBVGn:MIBFNaXf+75ICvAcHADVj
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource vncviewer.exe
Files
-
vncviewer.exe.exe windows:4 windows x86
e0d5575fd5da566b2c101de2b2e2dfda
Headers
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
Imports
winmm
PlaySoundA
kernel32
GetModuleFileNameA
WriteConsoleA
OutputDebugStringA
GetStdHandle
AllocConsole
SetFilePointer
SetEndOfFile
FindNextFileA
GetVersionExA
GetLogicalDriveStringsA
DeleteFileA
SetFileTime
WriteFile
FindFirstFileA
GetPrivateProfileIntA
WideCharToMultiByte
FreeEnvironmentStringsW
GetEnvironmentStrings
UnhandledExceptionFilter
GetDriveTypeA
FreeEnvironmentStringsA
InterlockedIncrement
InterlockedDecrement
GetCurrentDirectoryA
IsBadWritePtr
HeapReAlloc
HeapSize
VirtualFree
HeapCreate
VirtualAlloc
GetEnvironmentVariableA
SetLastError
HeapDestroy
SetUnhandledExceptionFilter
CreateThread
GetVersion
ExitThread
GetStartupInfoA
GetModuleHandleA
GetCommandLineA
GetFileAttributesA
TerminateProcess
GetFullPathNameA
HeapAlloc
HeapFree
ExitProcess
RaiseException
InterlockedExchange
RtlUnwind
TlsGetValue
ResumeThread
GetCurrentProcess
GetCurrentThread
TlsAlloc
GetCurrentThreadId
TlsSetValue
DuplicateHandle
CreateSemaphoreA
SetThreadPriority
LeaveCriticalSection
EnterCriticalSection
WaitForSingleObject
InitializeCriticalSection
LoadLibraryA
DeleteCriticalSection
GetEnvironmentStringsW
GetLastError
GetProcAddress
SetHandleCount
GetFileType
Sleep
IsBadCodePtr
MultiByteToWideChar
IsBadReadPtr
GetStringTypeW
GetCPInfo
GetStringTypeA
LCMapStringA
GetACP
GetOEMCP
LCMapStringW
CompareStringA
CompareStringW
FlushFileBuffers
CloseHandle
LocalFree
FormatMessageA
GlobalUnlock
GlobalLock
GlobalAlloc
WritePrivateProfileStringA
GetPrivateProfileStringA
Beep
ReadFile
CreateFileA
SetEnvironmentVariableA
SetStdHandle
FindClose
SetErrorMode
user32
SetClipboardViewer
GetDlgItemTextA
GetSystemMenu
SetDlgItemTextA
SetWindowTextA
EndDialog
DialogBoxParamA
CheckMenuItem
DrawMenuBar
AppendMenuA
GetWindowLongA
ShowWindow
CreateWindowExA
RegisterClassA
GetSysColorBrush
SetWindowPlacement
LoadCursorA
LoadIconA
SendMessageA
EnableMenuItem
SetForegroundWindow
GetMessageA
IsDialogMessageA
LoadKeyboardLayoutA
SetDlgItemInt
SetClassLongA
GetDlgCtrlID
GetKeyboardState
GetDlgItemInt
MapWindowPoints
DestroyAcceleratorTable
ToAscii
GetKeyState
OpenDesktopA
TranslateAcceleratorA
CreateAcceleratorTableA
FindWindowA
EnumDesktopWindows
CloseDesktop
TranslateMessage
GetClassNameA
PeekMessageA
EnableWindow
DispatchMessageA
GetWindowTextA
LoadImageA
CreateDialogParamA
GetDlgItem
GetSubMenu
DestroyIcon
DestroyMenu
TrackPopupMenu
GetMenuItemID
SetMenuDefaultItem
GetCursorPos
RegisterClassExA
LoadMenuA
EmptyClipboard
SetCursorPos
GetSystemMetrics
OpenClipboard
SetClipboardData
GetClipboardOwner
GetKeyboardLayoutNameA
GetClipboardData
CloseClipboard
EndPaint
SetScrollInfo
BeginPaint
GetForegroundWindow
SetTimer
PostMessageA
SetCursor
GetWindow
GetFocus
SetFocus
WindowFromPoint
ScreenToClient
MessageBoxA
ChangeClipboardChain
KillTimer
DestroyWindow
PostQuitMessage
DefWindowProcA
DrawTextA
ReleaseDC
GetDC
IsIconic
GetClientRect
ShowScrollBar
UpdateWindow
ScrollWindowEx
InvalidateRect
AdjustWindowRectEx
SystemParametersInfoA
SetRect
GetWindowPlacement
GetMenuState
GetWindowRect
SetWindowLongA
LoadStringA
SetWindowPos
gdi32
SetBkColor
UpdateColors
BitBlt
SetBkMode
CreatePalette
GdiFlush
CreateCompatibleDC
GetStockObject
GetDeviceCaps
CreateCompatibleBitmap
DeleteObject
SetTextColor
SelectObject
RealizePalette
ExtTextOutA
DeleteDC
StretchBlt
SelectPalette
GetClipBox
Rectangle
SetStretchBltMode
CreateFontIndirectA
SetPixelV
SetBrushOrgEx
comdlg32
GetSaveFileNameA
CommDlgExtendedError
GetOpenFileNameA
advapi32
RegOpenKeyA
RegEnumValueA
RegCloseKey
RegSetValueExA
RegDeleteKeyA
RegOpenKeyExA
RegQueryValueExA
RegDeleteValueA
RegCreateKeyA
RegSetValueA
RegCreateKeyExA
shell32
Shell_NotifyIconA
wsock32
WSACleanup
accept
WSAStartup
inet_ntoa
listen
WSAAsyncSelect
send
bind
WSAGetLastError
shutdown
recv
setsockopt
socket
ioctlsocket
gethostbyname
htons
connect
getpeername
closesocket
comctl32
CreateToolbarEx
ord17
Sections
.text Size: 236KB - Virtual size: 233KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 20KB - Virtual size: 16KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 40KB - Virtual size: 42KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 56KB - Virtual size: 52KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ