tvnserver[.]exe

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General

Target

tvnserver.exe
Size

1.6MB
MD5

db02477d08ea2fe71ef17ece4ed11116
SHA1

38b8ae855f18f6d0dd671652e3f37c7b3832d950
SHA256

819e2e99234092e09df610597ed2e4a2e2ba099655254e7c14d5792f2d1e43cc
SHA512

16b8df339fe861f4b55ec95480679738ee0988103729fbff311f16f0ebdb2051a73c181e1df6db7a5f9446fbad5569d214441f6f1814e5854ad924fb7dacebe1
SSDEEP

24576:tH7ZEcRPm9ljdTMfQuNiDcScDRS99TErUPopzFv73OZNXHZk724p2:x7KcRO9DuMcYjTErUPUhvGHS7L2

Score

1^/10

Malware Config

Signatures

Files

tvnserver.exe
.exe windows:5 windows x64 arch:x64

a875554f3b44e13e66468cd5bb84f136

Code Sign

7e:93:eb:fb:7c:c6:4e:59:ea:4b:9a:77:d4:06:fc:3b
Certificate

Issuer

CN=Thawte Timestamping CA,OU=Thawte Certification,O=Thawte,L=Durbanville,ST=Western Cape,C=ZA

Not Before

21/12/2012, 00:00

Not After

30/12/2020, 23:59

Subject

CN=Symantec Time Stamping Services CA - G2,O=Symantec Corporation,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

0e:cf:f4:38:c8:fe:bf:35:6e:04:d8:6a:98:1b:1a:50
Certificate

Issuer

CN=Symantec Time Stamping Services CA - G2,O=Symantec Corporation,C=US

Not Before

18/10/2012, 00:00

Not After

29/12/2020, 23:59

Subject

CN=Symantec Time Stamping Services Signer - G4,O=Symantec Corporation,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature

f6:7f:2c:33:f0:a5:9a:3e:3b:b4:04:82:4b:2a:a8:f0
Certificate

Issuer

CN=COMODO RSA Code Signing CA,O=COMODO CA Limited,L=Salford,ST=Greater Manchester,C=GB

Not Before

19/07/2016, 00:00

Not After

19/07/2017, 23:59

Subject

CN=GlavSoft LLC,O=GlavSoft LLC,POSTALCODE=634021,STREET=ul. Altayskaya 132-82,L=Tomsk,ST=Tomsk,C=RU

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

27:66:ee:56:eb:49:f3:8e:ab:d7:70:a2:fc:84:de:22
Certificate

Issuer

CN=AddTrust External CA Root,OU=AddTrust External TTP Network,O=AddTrust AB,C=SE

Not Before

30/05/2000, 10:48

Not After

30/05/2020, 10:48

Subject

CN=COMODO RSA Certification Authority,O=COMODO CA Limited,L=Salford,ST=Greater Manchester,C=GB

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

2e:7c:87:cc:0e:93:4a:52:fe:94:fd:1c:b7:cd:34:af
Certificate

Issuer

CN=COMODO RSA Certification Authority,O=COMODO CA Limited,L=Salford,ST=Greater Manchester,C=GB

Not Before

09/05/2013, 00:00

Not After

08/05/2028, 23:59

Subject

CN=COMODO RSA Code Signing CA,O=COMODO CA Limited,L=Salford,ST=Greater Manchester,C=GB

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

70:e3:4b:db:4b:89:90:fd:19:29:f2:ce:7d:f5:ca:52:5a:da:18:ec
Signer

Actual PE Digest

70:e3:4b:db:4b:89:90:fd:19:29:f2:ce:7d:f5:ca:52:5a:da:18:ec

Digest Algorithm

sha1

PE Digest Matches

true

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE

PDB Paths

Y:\build\tightvnc-2.8.8-gpl\x64\Release\tvnserver.pdb

Imports

psapi

GetModuleFileNameExW

kernel32

QueryPerformanceCounter
GlobalUnlock
SetNamedPipeHandleState
CreatePipe
SetHandleInformation
DeleteFileW
FindNextFileW
RemoveDirectoryW
FindClose
MoveFileW
SetFileTime
CreateDirectoryW
GetLogicalDriveStringsW
SetErrorMode
FindFirstFileW
GetFileSizeEx
GetLocalTime
SystemTimeToFileTime
FileTimeToSystemTime
SetEnvironmentVariableA
CompareStringW
CompareStringA
FlushFileBuffers
CreateFileA
WriteConsoleW
GetConsoleOutputCP
WriteConsoleA
SetStdHandle
GetConsoleMode
GetConsoleCP
SetFilePointer
GlobalAlloc
GetLocaleInfoA
GetStringTypeW
GetStringTypeA
MultiByteToWideChar
WideCharToMultiByte
LCMapStringA
InitializeCriticalSectionAndSpinCount
LoadLibraryA
HeapReAlloc
LCMapStringW
IsValidCodePage
GetOEMCP
GetACP
GetCPInfo
HeapAlloc
GetTickCount
HeapCreate
HeapSetInformation
GetStartupInfoA
GetFileType
SetHandleCount
GetCommandLineW
GetEnvironmentStringsW
FreeEnvironmentStringsW
GetModuleFileNameA
GetStdHandle
ExitProcess
HeapSize
FlsAlloc
SetLastError
FlsFree
FlsSetValue
FlsGetValue
DecodePointer
EncodePointer
HeapFree
GlobalLock
DisconnectNamedPipe
LocalAlloc
ReadFile
WriteFile
ConnectNamedPipe
GetOverlappedResult
CreateNamedPipeW
CreateFileMappingW
UnmapViewOfFile
MapViewOfFile
OpenThread
OpenProcess
DuplicateHandle
CreateProcessW
GetExitCodeProcess
WaitForMultipleObjects
TerminateProcess
GetProcAddress
LoadLibraryW
FreeLibrary
GetModuleFileNameW
GetVersionExW
GetComputerNameW
SetEvent
CreateEventW
FormatMessageW
LocalFree
CreateThread
IsDebuggerPresent
ResumeThread
CreateMutexW
GetLastError
ReleaseMutex
WaitForSingleObject
InitializeCriticalSection
LeaveCriticalSection
EnterCriticalSection
DeleteCriticalSection
GetModuleHandleW
ProcessIdToSessionId
Sleep
GetCurrentProcessId
CloseHandle
GetCurrentThreadId
CreateFileW
GetCurrentProcess
SetUnhandledExceptionFilter
FindResourceW
LoadResource
LockResource
FreeResource
UnhandledExceptionFilter
GetSystemTimeAsFileTime
RtlUnwindEx
RtlPcToFileHeader
RaiseException
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
GetStartupInfoW

user32

RegisterWindowMessageW
GetDlgItem
VkKeyScanExW
GetKeyboardLayout
ToUnicodeEx
GetKeyState
MapVirtualKeyW
LoadIconW
GetClientRect
DestroyIcon
UnregisterClassW
EnumChildWindows
MapWindowPoints
MoveWindow
KillTimer
SetTimer
SendMessageW
MessageBoxW
EndDialog
CreateDialogParamW
IsWindow
EnumDisplayMonitors
GetWindowThreadProcessId
TrackPopupMenu
GetSubMenu
LoadMenuW
GetCursorPos
RemoveMenu
SetMenuDefaultItem
EnumDisplayDevicesW
ChangeDisplaySettingsExW
EnumWindows
IsWindowVisible
DrawIconEx
GetIconInfo
GetCursorInfo
GetWindowInfo
FindWindowExW
GetClassNameW
GetDC
CloseClipboard
IsClipboardFormatAvailable
GetClipboardData
EmptyClipboard
ChangeClipboardChain
OpenClipboard
SetClipboardData
SetClipboardViewer
CallNextHookEx
WaitMessage
PeekMessageW
PostThreadMessageW
SetWindowsHookExW
UnhookWindowsHookEx
GetWindowRect
SendInput
GetSystemMetrics
SetClassLongPtrW
GetWindow
FindWindowW
ExitWindowsEx
LockWorkStation
OpenWindowStationW
SetProcessWindowStation
CloseWindowStation
SystemParametersInfoW
GetMessageW
TranslateMessage
DispatchMessageW
IsDialogMessageW
RegisterClassW
DefWindowProcW
PostQuitMessage
PostMessageW
CreateWindowExW
GetThreadDesktop
GetUserObjectInformationW
SetThreadDesktop
CloseDesktop
OpenDesktopW
OpenInputDesktop
SetForegroundWindow
SetFocus
GetForegroundWindow
InvalidateRect
GetWindowLongW
GetWindowTextW
SetWindowLongW
ShowWindow
SetWindowTextW
DestroyWindow
DialogBoxParamW
GetWindowLongPtrW
SetWindowLongPtrW

gdi32

GetBitmapBits
GetObjectW
BitBlt
DeleteDC
CreateDIBSection
CreateDCW
CreateCompatibleDC
DeleteObject
ExtEscape
GetDIBits
SelectObject
GetCurrentObject

advapi32

RegCreateKeyExW
ConvertStringSidToSidW
GetTokenInformation
CopySid
SetEntriesInAclW
SetSecurityDescriptorDacl
InitializeSecurityDescriptor
ImpersonateNamedPipeClient
RevertToSelf
DuplicateToken
ImpersonateLoggedOnUser
OpenThreadToken
OpenProcessToken
DuplicateTokenEx
SetTokenInformation
CreateProcessAsUserW
RegEnumKeyW
RegQueryValueExW
RegSetValueExW
RegDeleteValueW
RegDeleteKeyW
RegOpenKeyW
RegCreateKeyW
RegCloseKey
DeleteService
ControlService
OpenServiceW
StartServiceW
QueryServiceStatusEx
CreateServiceW
ChangeServiceConfig2W
CloseServiceHandle
OpenSCManagerW
StartServiceCtrlDispatcherW
RegisterServiceCtrlHandlerW
SetServiceStatus
SetSecurityInfo
ReportEventW
DeregisterEventSource
RegisterEventSourceW

shell32

ord680
SHGetSpecialFolderPathW
ShellExecuteExW
ShellExecuteW
CommandLineToArgvW
Shell_NotifyIconW

ws2_32

WSAGetLastError
WSAStartup
WSACleanup
htonl
bind
connect
setsockopt
recv
send
select
__WSAFDIsSet
accept
closesocket
getsockname
getpeername
listen
shutdown
socket
htons
ntohl
ntohs
gethostname
gethostbyname
inet_ntoa
inet_addr

comctl32

InitCommonControlsEx

version

GetFileVersionInfoW
GetFileVersionInfoSizeW
VerQueryValueW

Sections

.text
Size: 826KB - Virtual size: 825KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 700KB - Virtual size: 700KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 29KB - Virtual size: 38KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 67KB - Virtual size: 67KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 43KB - Virtual size: 42KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 10KB - Virtual size: 10KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

a875554f3b44e13e66468cd5bb84f136

Code Sign

7e:93:eb:fb:7c:c6:4e:59:ea:4b:9a:77:d4:06:fc:3bCertificate

Extended Key Usages

Key Usages

0e:cf:f4:38:c8:fe:bf:35:6e:04:d8:6a:98:1b:1a:50Certificate

Extended Key Usages

Key Usages

f6:7f:2c:33:f0:a5:9a:3e:3b:b4:04:82:4b:2a:a8:f0Certificate

Extended Key Usages

Key Usages

27:66:ee:56:eb:49:f3:8e:ab:d7:70:a2:fc:84:de:22Certificate

Key Usages

2e:7c:87:cc:0e:93:4a:52:fe:94:fd:1c:b7:cd:34:afCertificate

Extended Key Usages

Key Usages

70:e3:4b:db:4b:89:90:fd:19:29:f2:ce:7d:f5:ca:52:5a:da:18:ecSigner

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

psapi

kernel32

user32

gdi32

advapi32

shell32

ws2_32

comctl32

version

Sections

.text Size: 826KB - Virtual size: 825KB

.rdata Size: 700KB - Virtual size: 700KB

.data Size: 29KB - Virtual size: 38KB

.pdata Size: 67KB - Virtual size: 67KB

.rsrc Size: 43KB - Virtual size: 42KB

.reloc Size: 10KB - Virtual size: 10KB

7e:93:eb:fb:7c:c6:4e:59:ea:4b:9a:77:d4:06:fc:3b
Certificate

0e:cf:f4:38:c8:fe:bf:35:6e:04:d8:6a:98:1b:1a:50
Certificate

f6:7f:2c:33:f0:a5:9a:3e:3b:b4:04:82:4b:2a:a8:f0
Certificate

27:66:ee:56:eb:49:f3:8e:ab:d7:70:a2:fc:84:de:22
Certificate

2e:7c:87:cc:0e:93:4a:52:fe:94:fd:1c:b7:cd:34:af
Certificate

70:e3:4b:db:4b:89:90:fd:19:29:f2:ce:7d:f5:ca:52:5a:da:18:ec
Signer

.text
Size: 826KB - Virtual size: 825KB

.rdata
Size: 700KB - Virtual size: 700KB

.data
Size: 29KB - Virtual size: 38KB

.pdata
Size: 67KB - Virtual size: 67KB

.rsrc
Size: 43KB - Virtual size: 42KB

.reloc
Size: 10KB - Virtual size: 10KB