Splashtop_Streamer_Win_INSTALLER_v3[.]3[.]4[.]0[.]exe

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General

Target

Splashtop_Streamer_Win_INSTALLER_v3.3.4.0.exe
Size

30.4MB
MD5

1da690d55503e167312a1f259125172b
SHA1

f42a6cbca3027d35ea3a4ef53d788b1896ebcb03
SHA256

0ae43451a00d8480f5069e6f141283d35b883087b74e3c8956c494cda524887d
SHA512

80d7b2ac1f508a592a7b2afa77b80cc35b514c45ab216aa755e9bc77017ec49a70fc4a2d8b745df8ff481674dfa308f658371ebc6980dec70d06bbb196be2640
SSDEEP

393216:PML+obcQPt0rnshUYMO918ODCls1v0Ww0eJ0JJAAoIYDDxxW/71Dm6bzUOYow4Es:qzccarshqnHJdAYDN8/7j0OVw4Z

Score

1^/10

Malware Config

Signatures

NSIS installer 1 IoCs

installer

resource	yara_rule
sample	nsis_installer_2

Files

Splashtop_Streamer_Win_INSTALLER_v3.3.4.0.exe
.exe windows x86

d5fa748f831e9cb7001e0fb806ee70d6

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

57:57:25:23:72:8c:d8:b1:4b:9f:a7:c2:92:bf:d0:7d
Certificate

Issuer

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

Not Before

14/05/2019, 00:00

Not After

07/01/2020, 23:59

Subject

CN=Splashtop Inc.,O=Splashtop Inc.,L=San Jose,ST=California,C=US

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

e1:71:83:30:77:f5:46:da:4a:f7:d2:34:f4:7b:c8:67:be:f1:aa:a1:65:4b:c5:9e:7a:48:17:85:34:61:48:20
Signer

Actual PE Digest

e1:71:83:30:77:f5:46:da:4a:f7:d2:34:f4:7b:c8:67:be:f1:aa:a1:65:4b:c5:9e:7a:48:17:85:34:61:48:20

Digest Algorithm

sha256

PE Digest Matches

true

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE

Imports

kernel32

GetModuleHandleA
GlobalFlags
GetVersionExA
LoadLibraryA
GlobalFindAtomW
GetStartupInfoW
HeapAlloc
HeapFree
ExitProcess
UnhandledExceptionFilter
SetUnhandledExceptionFilter
IsDebuggerPresent
RtlUnwind
RaiseException
HeapReAlloc
HeapSize
GetStdHandle
GetModuleFileNameA
FreeEnvironmentStringsW
GetEnvironmentStringsW
SetHandleCount
GetFileType
GetStartupInfoA
HeapCreate
VirtualFree
VirtualAlloc
GetCPInfo
GetACP
GetOEMCP
IsValidCodePage
InitializeCriticalSectionAndSpinCount
GetTimeFormatA
GetDateFormatA
GetTimeZoneInformation
LCMapStringW
GetConsoleCP
GetConsoleMode
LCMapStringA
GetStringTypeA
GetStringTypeW
GetLocaleInfoA
SetStdHandle
WriteConsoleA
GetConsoleOutputCP
WriteConsoleW
GetProcessHeap
CreateFileA
SetEnvironmentVariableA
WritePrivateProfileStringW
SetErrorMode
lstrlenA
TlsFree
DeleteCriticalSection
LocalReAlloc
TlsSetValue
TlsAlloc
InitializeCriticalSection
GlobalHandle
GlobalReAlloc
EnterCriticalSection
TlsGetValue
LeaveCriticalSection
LocalAlloc
CompareStringW
InterlockedDecrement
InterlockedIncrement
GlobalAddAtomW
GlobalDeleteAtom
GetCurrentThread
ConvertDefaultLocale
EnumResourceLanguagesW
lstrcmpA
GetLocaleInfoW
LoadLibraryExW
CompareStringA
InterlockedExchange
lstrcmpW
GetFileTime
GetFileSizeEx
FileTimeToLocalFileTime
FileTimeToSystemTime
GetFullPathNameW
GetVolumeInformationW
DuplicateHandle
GetFileSize
SetEndOfFile
UnlockFile
LockFile
FlushFileBuffers
SetFilePointer
GlobalLock
GlobalUnlock
FormatMessageW
FindClose
FindNextFileW
DeleteFileW
FindFirstFileW
GetFileAttributesW
QueryPerformanceCounter
TerminateProcess
LocalFree
GlobalFree
GlobalAlloc
GetCurrentThreadId
GetWindowsDirectoryW
GetSystemTimeAsFileTime
GetVersionExW
GetModuleHandleW
GetModuleFileNameW
Process32NextW
Process32FirstW
CreateToolhelp32Snapshot
SetLastError
ReadFile
WriteFile
CreateFileW
GetCurrentProcess
OpenProcess
GetExitCodeProcess
GetProcessId
GetSystemWindowsDirectoryW
GetCommandLineW
GetLastError
CreateMutexW
MultiByteToWideChar
GetDiskFreeSpaceExW
RemoveDirectoryW
SetCurrentDirectoryW
Sleep
GetTempPathW
CreateThread
WaitForSingleObject
WideCharToMultiByte
GetCurrentProcessId
ProcessIdToSessionId
FindResourceW
LoadResource
LockResource
SizeofResource
lstrlenW
OutputDebugStringW
FreeLibrary
GetProcAddress
LoadLibraryW
GetTickCount
CloseHandle

user32

GetMessagePos
MapWindowPoints
SetMenu
GetClientRect
CreateWindowExW
GetClassInfoExW
GetClassInfoW
RegisterClassW
AdjustWindowRectEx
DefWindowProcW
CallWindowProcW
CopyRect
GetMenu
SetWindowLongW
SetWindowPos
SystemParametersInfoA
IsIconic
GetDlgCtrlID
SetWindowTextW
GrayStringW
DrawTextExW
DrawTextW
TabbedTextOutW
GetCapture
ClientToScreen
UnhookWindowsHookEx
GetDC
ReleaseDC
GetSysColor
GetSysColorBrush
GetWindowLongW
GetLastActivePopup
IsWindowEnabled
EnableWindow
GetMessageTime
CallNextHookEx
GetMessageW
TranslateMessage
DispatchMessageW
GetActiveWindow
GetKeyState
PeekMessageW
GetCursorPos
ValidateRect
SetMenuItemBitmaps
GetMenuCheckMarkDimensions
LoadBitmapW
GetFocus
GetParent
SendMessageW
ModifyMenuW
EnableMenuItem
CheckMenuItem
PostQuitMessage
PostMessageW
CharUpperW
MessageBoxW
GetMenuState
GetMenuItemID
GetMenuItemCount
GetSubMenu
GetSystemMetrics
SetForegroundWindow
PtInRect
GetWindowRect
GetWindowPlacement
GetWindow
LoadCursorW
SetCursor
GetForegroundWindow
ShowWindow
GetClassNameW
IsWindowVisible
GetWindowTextW
GetWindowThreadProcessId
DestroyWindow
GetTopWindow
GetDlgItem
IsWindow
SetWindowsHookExW
DestroyMenu
UnregisterClassW
RegisterWindowMessageW
LoadIconW
WinHelpW
GetClassLongW
SetPropW
GetPropW
RemovePropW

gdi32

TextOutW
ExtTextOutW
Escape
SelectObject
SetViewportOrgEx
OffsetViewportOrgEx
SetViewportExtEx
ScaleViewportExtEx
SetWindowExtEx
ScaleWindowExtEx
DeleteDC
GetStockObject
RectVisible
PtVisible
DeleteObject
CreateBitmap
GetClipBox
SetMapMode
SetTextColor
SetBkColor
RestoreDC
GetDeviceCaps
SaveDC

comdlg32

GetFileTitleW

winspool.drv

DocumentPropertiesW
OpenPrinterW
ClosePrinter

advapi32

RegQueryValueW
RegOpenKeyW
DuplicateTokenEx
OpenProcessToken
RegSetValueExW
RegEnumKeyW
RegQueryValueExW
RegOpenKeyExW
RegDeleteKeyW
RegFlushKey
RegCreateKeyExW
RegCloseKey
RegOpenCurrentUser
RevertToSelf
ImpersonateLoggedOnUser

shell32

ShellExecuteExW
SHCreateDirectoryExW

shlwapi

PathStripToRootW
PathIsUNCW
PathFindFileNameW
PathFindExtensionW

oleaut32

VariantClear
VariantInit
VariantChangeType

wtsapi32

WTSQueryUserToken

Sections

.text
Size: 172KB - Virtual size: 172KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 51KB - Virtual size: 50KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 8KB - Virtual size: 23KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 182KB - Virtual size: 181KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

d5fa748f831e9cb7001e0fb806ee70d6

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

57:57:25:23:72:8c:d8:b1:4b:9f:a7:c2:92:bf:d0:7dCertificate

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

e1:71:83:30:77:f5:46:da:4a:f7:d2:34:f4:7b:c8:67:be:f1:aa:a1:65:4b:c5:9e:7a:48:17:85:34:61:48:20Signer

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

gdi32

comdlg32

winspool.drv

advapi32

shell32

shlwapi

oleaut32

wtsapi32

Sections

.text Size: 172KB - Virtual size: 172KB

.rdata Size: 51KB - Virtual size: 50KB

.data Size: 8KB - Virtual size: 23KB

.rsrc Size: 182KB - Virtual size: 181KB

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

57:57:25:23:72:8c:d8:b1:4b:9f:a7:c2:92:bf:d0:7d
Certificate

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

e1:71:83:30:77:f5:46:da:4a:f7:d2:34:f4:7b:c8:67:be:f1:aa:a1:65:4b:c5:9e:7a:48:17:85:34:61:48:20
Signer

.text
Size: 172KB - Virtual size: 172KB

.rdata
Size: 51KB - Virtual size: 50KB

.data
Size: 8KB - Virtual size: 23KB

.rsrc
Size: 182KB - Virtual size: 181KB