vncviewer[.]exe

Resubmissions

02/09/2023, 22:33

230902-2gnvssff4s 1

Sharing

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General

Target

vncviewer.exe
Size

2.0MB
MD5

c71adb577b5be3404ab150e4ef4eb9a2
SHA1

a4bc65d33a3a845074ccb3658a94f546993356e3
SHA256

d4a5ff934554cdd01319fe1e1d50fa10a61104d9a06771a5d42f743f60f3568c
SHA512

50fd3de9095ea891738fc60b9b921aaf48cf84c9d06c8a579d471b9a263df4c19818b0f623d27ec036450fc4956c25c7ffb029695d817baa609ce2473a7232cd
SSDEEP

24576:xC9wSkiZBP3ZKSeyrv4jRWyBNdYC8UYRzyEiHyUgyZAJAyv5EEwY/i2TiNBreLFh:x9iZR3hrv4jRnEkAOLY4ravXFdB7M5lg

Score

1^/10

Malware Config

Signatures

Files

vncviewer.exe
.exe windows x64

b53dc4f8863a2ea25c86908835939902

Code Sign

52:31:09:fd:26:76:d2:5c:b3:d4:57:c9:a3:48:53:ee
Certificate

Issuer

CN=Symantec Class 3 SHA256 Code Signing CA,OU=Symantec Trust Network,O=Symantec Corporation,C=US

Not Before

23/08/2016, 00:00

Not After

22/11/2019, 23:59

Subject

CN=uvnc bvba,O=uvnc bvba,L=Antwerpen,ST=Antwerpen,C=BE

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

3d:78:d7:f9:76:49:60:b2:61:7d:f4:f0:1e:ca:86:2a
Certificate

Issuer

CN=VeriSign Class 3 Public Primary Certification Authority - G5,OU=VeriSign Trust Network+OU=(c) 2006 VeriSign\, Inc. - For authorized use only,O=VeriSign\, Inc.,C=US

Not Before

10/12/2013, 00:00

Not After

09/12/2023, 23:59

Subject

CN=Symantec Class 3 SHA256 Code Signing CA,OU=Symantec Trust Network,O=Symantec Corporation,C=US

Extended Key Usages

ExtKeyUsageClientAuth
ExtKeyUsageCodeSigning

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

7b:05:b1:d4:49:68:51:44:f7:c9:89:d2:9c:19:9d:12
Certificate

Issuer

CN=VeriSign Universal Root Certification Authority,OU=VeriSign Trust Network+OU=(c) 2008 VeriSign\, Inc. - For authorized use only,O=VeriSign\, Inc.,C=US

Not Before

12/01/2016, 00:00

Not After

11/01/2031, 23:59

Subject

CN=Symantec SHA256 TimeStamping CA,OU=Symantec Trust Network,O=Symantec Corporation,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

54:58:f2:aa:d7:41:d6:44:bc:84:a9:7b:a0:96:52:e6
Certificate

Issuer

CN=Symantec SHA256 TimeStamping CA,OU=Symantec Trust Network,O=Symantec Corporation,C=US

Not Before

02/01/2017, 00:00

Not After

01/04/2028, 23:59

Subject

CN=Symantec SHA256 TimeStamping Signer - G2,OU=Symantec Trust Network,O=Symantec Corporation,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature

c0:b2:47:bf:2f:45:8a:00:e4:24:44:98:90:7b:60:47:92:2f:38:07:ca:9a:ad:5b:48:e0:26:9d:b3:6d:59:ed
Signer

Actual PE Digest

c0:b2:47:bf:2f:45:8a:00:e4:24:44:98:90:7b:60:47:92:2f:38:07:ca:9a:ad:5b:48:e0:26:9d:b3:6d:59:ed

Digest Algorithm

sha256

PE Digest Matches

true

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE

Imports

comctl32

ImageList_Create
ImageList_ReplaceIcon
CreateToolbarEx
ord17
ord6
InitCommonControlsEx

winmm

timeGetTime
timeKillEvent
timeSetEvent
PlaySoundA

ws2_32

ioctlsocket
WSAStartup
WSACleanup
accept
bind
listen
__WSAFDIsSet
getpeername
inet_addr
send
socket
connect
htons
setsockopt
WSAGetLastError
closesocket
gethostbyname
select
WSAAsyncSelect
shutdown
recv

kernel32

LoadLibraryA
DeleteFileA
GetProcAddress
FreeLibrary
lstrcpyA
ReadFile
CompareFileTime
MoveFileA
EnterCriticalSection
WriteFile
GetDriveTypeA
SetFileTime
LeaveCriticalSection
InitializeCriticalSection
SetErrorMode
SetFilePointer
SetEndOfFile
lstrlenA
GetFileAttributesA
MoveFileExA
CreateFileA
FileTimeToSystemTime
FileTimeToLocalFileTime
GetLogicalDriveStringsA
DeleteCriticalSection
SystemTimeToFileTime
lstrcmpiA
CreateDirectoryA
GetFileTime
FlushFileBuffers
MulDiv
GetStdHandle
WriteConsoleA
OutputDebugStringA
AllocConsole
GetComputerNameA
GetVersionExA
SetFileAttributesW
DeleteFileW
HeapReAlloc
WriteConsoleW
CreateDirectoryW
GetFileAttributesExW
EnumSystemLocalesW
GetUserDefaultLCID
IsValidLocale
GetLocaleInfoW
LCMapStringW
CompareStringW
GetTimeFormatW
GetDateFormatW
GetStringTypeW
GetACP
GetModuleFileNameW
FreeLibraryAndExitThread
ExitThread
GetCurrentDirectoryW
GetCurrentDirectoryA
SetCurrentDirectoryW
SetCurrentDirectoryA
SetEnvironmentVariableW
SetEnvironmentVariableA
GetCPInfo
CopyFileA
ReadConsoleW
GetConsoleMode
GetConsoleCP
FindClose
PeekNamedPipe
GetDriveTypeW
CreateFileW
GetFullPathNameW
GetModuleHandleExW
ExitProcess
SetStdHandle
GetTimeZoneInformation
LoadLibraryExW
TlsFree
InitializeCriticalSectionAndSpinCount
SetLastError
InterlockedFlushSList
InterlockedPushEntrySList
RaiseException
EncodePointer
RtlPcToFileHeader
RtlUnwindEx
InitializeSListHead
GetSystemTimeAsFileTime
GetCurrentProcessId
GetModuleHandleW
GetStartupInfoW
IsDebuggerPresent
IsProcessorFeaturePresent
TerminateProcess
SetUnhandledExceptionFilter
UnhandledExceptionFilter
RtlVirtualUnwind
RtlLookupFunctionEntry
RtlCaptureContext
CreateSemaphoreA
GetSystemTime
TlsGetValue
TlsAlloc
GetCurrentThread
DuplicateHandle
GetCurrentThreadId
SetThreadPriority
ReleaseSemaphore
TlsSetValue
GetFileType
lstrcatA
GetProcessHeap
lstrcpynA
HeapAlloc
ReleaseMutex
CreateMutexA
GetCurrentProcess
HeapFree
DosDateTimeToFileTime
GetLocalTime
SetFileAttributesA
SetVolumeLabelA
LocalFileTimeToFileTime
GetVersion
GetLocaleInfoA
GetVolumeInformationA
GetFullPathNameA
QueryPerformanceCounter
QueryPerformanceFrequency
SetFilePointerEx
GetTempPathA
GetOEMCP
GetCommandLineA
GetCommandLineW
GetEnvironmentStringsW
FreeEnvironmentStringsW
FindNextFileA
FindFirstFileA
GetModuleFileNameA
WideCharToMultiByte
FindNextFileW
SetConsoleCtrlHandler
GlobalFree
GlobalSize
MultiByteToWideChar
GetPrivateProfileStringA
GlobalUnlock
GetPrivateProfileIntA
GlobalLock
WritePrivateProfileStringA
GlobalAlloc
GetTickCount
CreateEventA
FormatMessageA
LocalFree
Beep
ResetEvent
CreateThread
CloseHandle
SetEvent
GetLastError
Sleep
ResumeThread
WaitForSingleObject
GetModuleHandleA
OutputDebugStringW
WaitForSingleObjectEx
RemoveDirectoryW
HeapSize
MoveFileExW
FindFirstFileExA
FindFirstFileExW
SystemTimeToTzSpecificLocalTime
IsValidCodePage

user32

CallWindowProcA
SetCapture
GetCaretBlinkTime
ReleaseCapture
GetWindowThreadProcessId
GetMessageA
CallNextHookEx
PostThreadMessageA
SetWindowsHookExA
GetForegroundWindow
GetKeyState
ModifyMenuA
keybd_event
GetKeyboardState
VkKeyScanW
ToUnicode
SetCaretBlinkTime
WindowFromDC
MapWindowPoints
LoadBitmapA
IntersectRect
GetDesktopWindow
GetMenuStringA
PtInRect
SendMessageTimeoutA
GetMenuItemCount
DestroyIcon
DrawTextA
TranslateMessage
SendDlgItemMessageA
GetComboBoxInfo
PeekMessageA
GetWindowTextLengthA
GetScrollInfo
ScreenToClient
IsDlgButtonChecked
LoadKeyboardLayoutA
SetWindowLongPtrA
SetWindowRgn
GetParent
EnableWindow
MonitorFromPoint
EnumDisplayDevicesA
GetSystemMetrics
EnumDisplaySettingsExA
GetMonitorInfoA
SystemParametersInfoA
ValidateRect
LoadMenuA
GetMenuItemID
LoadStringA
TrackPopupMenu
GetSubMenu
SetMenuDefaultItem
RegisterClassExA
IsClipboardFormatAvailable
RegisterClipboardFormatA
RedrawWindow
SetWindowLongA
SetCursorPos
GetCursorPos
GetClipboardOwner
OpenClipboard
CloseClipboard
EmptyClipboard
GetClipboardData
SetClipboardData
SetScrollInfo
GetSystemMenu
AdjustWindowRectEx
ShowScrollBar
GetWindowRect
GetFocus
LoadCursorA
DestroyWindow
GetDC
SetWindowPos
SetClipboardViewer
PostMessageA
FillRect
GetKeyboardLayoutNameA
CreatePopupMenu
wsprintfA
ShowWindow
IsWindow
InvalidateRgn
RegisterWindowMessageA
SetTimer
ChangeClipboardChain
GetWindowLongA
SendNotifyMessageA
MessageBoxA
MoveWindow
RegisterClassA
DefWindowProcA
DestroyMenu
CreateWindowExA
SetFocus
ScrollWindowEx
DrawMenuBar
SetCursor
LoadIconA
GetDlgItemInt
AppendMenuA
CheckMenuItem
GetClientRect
SetRect
KillTimer
PostQuitMessage
GetSysColorBrush
EnableMenuItem
SetDlgItemInt
UpdateWindow
InvalidateRect
IsIconic
ReleaseDC
BeginPaint
EndPaint
GetDlgItemTextA
GetWindowTextA
SetWindowTextA
SendMessageA
GetDlgItem
GetWindowLongPtrA
TranslateAcceleratorA
DestroyAcceleratorTable
CreateAcceleratorTableA
LoadImageA
EndDialog
DialogBoxParamA
IsRectEmpty
SetDlgItemTextA
SetForegroundWindow
OemToCharA
CharToOemA
wvsprintfA
DispatchMessageA
ToAscii

gdi32

CreateCompatibleDC
SelectObject
BitBlt
CombineRgn
SetStretchBltMode
CreatePalette
SelectPalette
CreateRectRgn
GetDeviceCaps
GetStockObject
UpdateColors
RealizePalette
StretchBlt
PatBlt
CreateDIBSection
SetBrushOrgEx
CreateRectRgnIndirect
Rectangle
MoveToEx
CreatePen
LineTo
SetBkMode
SetTextColor
CreatePolygonRgn
CreateFontA
SetROP2
GetClipBox
DeleteDC
SetDIBColorTable
CreateSolidBrush
DeleteObject

comdlg32

CommDlgExtendedError
GetOpenFileNameA
GetSaveFileNameA

advapi32

GetSecurityDescriptorLength
RegSetValueExA
RegQueryValueExA
RegCloseKey
IsValidAcl
SetKernelObjectSecurity
GetSecurityDescriptorSacl
AdjustTokenPrivileges
GetSecurityDescriptorDacl
GetSecurityDescriptorGroup
LookupPrivilegeValueA
GetSecurityDescriptorControl
GetSecurityDescriptorOwner
IsValidSid
IsValidSecurityDescriptor
OpenProcessToken
GetKernelObjectSecurity
RegOpenKeyExA

shell32

ShellExecuteA
SHGetPathFromIDListA
SHGetSpecialFolderLocation
SHFileOperationA
Shell_NotifyIconA
SHGetFolderPathA

imm32

ImmAssociateContext

Sections

.text
Size: 1.2MB - Virtual size: 1.2MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 311KB - Virtual size: 311KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 6KB - Virtual size: 343KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 53KB - Virtual size: 53KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 474KB - Virtual size: 474KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 3KB - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Resubmissions

Sharing

General

Malware Config

Signatures

Files

b53dc4f8863a2ea25c86908835939902

Code Sign

52:31:09:fd:26:76:d2:5c:b3:d4:57:c9:a3:48:53:eeCertificate

Extended Key Usages

Key Usages

3d:78:d7:f9:76:49:60:b2:61:7d:f4:f0:1e:ca:86:2aCertificate

Extended Key Usages

Key Usages

7b:05:b1:d4:49:68:51:44:f7:c9:89:d2:9c:19:9d:12Certificate

Extended Key Usages

Key Usages

54:58:f2:aa:d7:41:d6:44:bc:84:a9:7b:a0:96:52:e6Certificate

Extended Key Usages

Key Usages

c0:b2:47:bf:2f:45:8a:00:e4:24:44:98:90:7b:60:47:92:2f:38:07:ca:9a:ad:5b:48:e0:26:9d:b3:6d:59:edSigner

Headers

DLL Characteristics

File Characteristics

Imports

comctl32

winmm

ws2_32

kernel32

user32

gdi32

comdlg32

advapi32

shell32

imm32

Sections

.text Size: 1.2MB - Virtual size: 1.2MB

.rdata Size: 311KB - Virtual size: 311KB

.data Size: 6KB - Virtual size: 343KB

.pdata Size: 53KB - Virtual size: 53KB

.rsrc Size: 474KB - Virtual size: 474KB

.reloc Size: 3KB - Virtual size: 3KB

52:31:09:fd:26:76:d2:5c:b3:d4:57:c9:a3:48:53:ee
Certificate

3d:78:d7:f9:76:49:60:b2:61:7d:f4:f0:1e:ca:86:2a
Certificate

7b:05:b1:d4:49:68:51:44:f7:c9:89:d2:9c:19:9d:12
Certificate

54:58:f2:aa:d7:41:d6:44:bc:84:a9:7b:a0:96:52:e6
Certificate

c0:b2:47:bf:2f:45:8a:00:e4:24:44:98:90:7b:60:47:92:2f:38:07:ca:9a:ad:5b:48:e0:26:9d:b3:6d:59:ed
Signer

.text
Size: 1.2MB - Virtual size: 1.2MB

.rdata
Size: 311KB - Virtual size: 311KB

.data
Size: 6KB - Virtual size: 343KB

.pdata
Size: 53KB - Virtual size: 53KB

.rsrc
Size: 474KB - Virtual size: 474KB

.reloc
Size: 3KB - Virtual size: 3KB