SplashtopStreamer[.]exe

Sharing

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General

Target

SplashtopStreamer.exe
Size

49.4MB
MD5

18beaa4385120ee70acb2ebc1837986f
SHA1

1d4808a33128a254f7787ffe75877d10bc4afca2
SHA256

4222b6de397b6716d960675e7fb803c3666ebf9538ca84c973ca2d0a2e344580
SHA512

3bba9bdeec34995cc2a257ad3d1e72d592ddb45794c6c917b54a72c27ac349286a84ebb262e3b6ec0b149a520cf3b808d5b33c1526e7f3e0df13453927c0c483
SSDEEP

786432:SXFDwNWGG7iE9EewIoi+EPLnkJEl9zneT3cBcr4eihL71G2O70w7pLb2:YFDiWGG799Eewti+EDXjznetqLfOpLb2

Score

1^/10

Malware Config

Signatures

NSIS installer 1 IoCs

installer

resource	yara_rule
sample	nsis_installer_2

Files

SplashtopStreamer.exe
.exe windows x86

d21dbfa064899ab1acb2e824ec9e653e

Code Sign

0e:9b:18:8e:f9:d0:2d:e7:ef:db:50:e2:08:40:18:5a
Certificate

Issuer

CN=DigiCert Assured ID Root CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

01/08/2022, 00:00

Not After

09/11/2031, 23:59

Subject

CN=DigiCert Trusted Root G4,OU=www.digicert.com,O=DigiCert Inc,C=US

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

07:36:37:b7:24:54:7c:d8:47:ac:fd:28:66:2a:5e:5b
Certificate

Issuer

CN=DigiCert Trusted Root G4,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

23/03/2022, 00:00

Not After

22/03/2037, 23:59

Subject

CN=DigiCert Trusted G4 RSA4096 SHA256 TimeStamping CA,O=DigiCert\, Inc.,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

08:ad:40:b2:60:d2:9c:4c:9f:5e:cd:a9:bd:93:ae:d9
Certificate

Issuer

CN=DigiCert Trusted Root G4,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

29/04/2021, 00:00

Not After

28/04/2036, 23:59

Subject

CN=DigiCert Trusted G4 Code Signing RSA4096 SHA384 2021 CA1,O=DigiCert\, Inc.,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

0c:4d:69:72:4b:94:fa:3c:2a:4a:3d:29:07:80:3d:5a
Certificate

Issuer

CN=DigiCert Trusted G4 RSA4096 SHA256 TimeStamping CA,O=DigiCert\, Inc.,C=US

Not Before

21/09/2022, 00:00

Not After

21/11/2033, 23:59

Subject

CN=DigiCert Timestamp 2022 - 2,O=DigiCert,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature

0c:7e:ec:c8:c5:e1:d1:fb:52:92:56:a2:d3:10:f0:71
Certificate

Issuer

CN=DigiCert Trusted G4 Code Signing RSA4096 SHA384 2021 CA1,O=DigiCert\, Inc.,C=US

Not Before

01/11/2022, 00:00

Not After

07/01/2025, 23:59

Subject

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

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

88:bb:b4:33:1e:78:16:01:2c:21:37:d1:52:6e:5d:6e:84:48:6a:c6:72:22:54:b6:5d:66:b2:51:8a:37:65:e5
Signer

Actual PE Digest

88:bb:b4:33:1e:78:16:01:2c:21:37:d1:52:6e:5d:6e:84:48:6a:c6:72:22:54:b6:5d:66:b2:51:8a:37:65:e5

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

GetStartupInfoW
HeapAlloc
HeapFree
ExitProcess
UnhandledExceptionFilter
SetUnhandledExceptionFilter
IsDebuggerPresent
RtlUnwind
RaiseException
HeapReAlloc
HeapSize
GetStdHandle
GetModuleFileNameA
FreeEnvironmentStringsW
GetEnvironmentStringsW
SetHandleCount
GetFileType
GetStartupInfoA
HeapCreate
VirtualFree
GetTickCount
VirtualAlloc
GlobalFindAtomW
GetACP
GetOEMCP
IsValidCodePage
GetTimeZoneInformation
GetTimeFormatA
GetDateFormatA
InitializeCriticalSectionAndSpinCount
LCMapStringW
GetConsoleCP
GetConsoleMode
LCMapStringA
GetStringTypeA
GetStringTypeW
GetLocaleInfoA
SetStdHandle
WriteConsoleA
GetConsoleOutputCP
WriteConsoleW
GetProcessHeap
CreateFileA
SetEnvironmentVariableA
LoadLibraryA
GetVersionExA
GlobalFlags
GetModuleHandleA
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
DeleteFileW
DeviceIoControl
FindClose
QueryPerformanceCounter
GlobalFree
GlobalAlloc
FindNextFileW
GetFileAttributesW
FindFirstFileW
GetWindowsDirectoryW
GetSystemTimeAsFileTime
GetVersionExW
Process32NextW
Process32FirstW
CreateToolhelp32Snapshot
WriteFile
TerminateProcess
GetCurrentProcess
LocalFree
SetLastError
GetCurrentThreadId
ReadFile
CreateFileW
GetModuleFileNameW
GetModuleHandleW
OpenProcess
GetExitCodeProcess
GetProcessId
GetSystemWindowsDirectoryW
GetCommandLineW
GetSystemDirectoryW
SetDllDirectoryW
GetLastError
CreateMutexW
GetLocalTime
GetSystemTime
MultiByteToWideChar
GetDiskFreeSpaceExW
RemoveDirectoryW
SetCurrentDirectoryW
Sleep
GetTempPathW
CreateThread
WaitForSingleObject
WideCharToMultiByte
GetCurrentProcessId
ProcessIdToSessionId
lstrlenW
OutputDebugStringW
FreeLibrary
GetProcAddress
LoadLibraryW
FindResourceW
LoadResource
LockResource
SizeofResource
GetCPInfo
CloseHandle

user32

DestroyMenu
UnregisterClassW
RegisterWindowMessageW
LoadIconW
WinHelpW
GetClassLongW
SetPropW
GetPropW
RemovePropW
IsWindow
GetDlgItem
GetTopWindow
DestroyWindow
GetMessageTime
GetMessagePos
MapWindowPoints
SetMenu
GetClientRect
CreateWindowExW
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
SetWindowsHookExW
CallNextHookEx
GetMessageW
TranslateMessage
DispatchMessageW
GetActiveWindow
GetKeyState
PeekMessageW
GetCursorPos
ValidateRect
SetMenuItemBitmaps
GetMenuCheckMarkDimensions
LoadBitmapW
GetFocus
GetParent
SendMessageW
ModifyMenuW
EnableMenuItem
CheckMenuItem
PostQuitMessage
MessageBoxW
GetWindowThreadProcessId
GetWindowTextW
IsWindowVisible
GetClassNameW
ShowWindow
GetForegroundWindow
SetCursor
LoadCursorW
GetWindow
GetWindowPlacement
GetWindowRect
PtInRect
PostMessageW
CharUpperW
GetMenuState
GetMenuItemID
GetMenuItemCount
GetSubMenu
GetSystemMetrics
SetForegroundWindow
GetClassInfoExW

gdi32

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

comdlg32

GetFileTitleW

advapi32

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

shell32

ShellExecuteExW
SHCreateDirectoryExW

shlwapi

PathStripToRootW
PathIsUNCW
PathFindFileNameW
PathFindExtensionW

oleaut32

VariantInit
VariantClear
VariantChangeType

Sections

.text
Size: 177KB - Virtual size: 176KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

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

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

d21dbfa064899ab1acb2e824ec9e653e

Code Sign

0e:9b:18:8e:f9:d0:2d:e7:ef:db:50:e2:08:40:18:5aCertificate

Key Usages

07:36:37:b7:24:54:7c:d8:47:ac:fd:28:66:2a:5e:5bCertificate

Extended Key Usages

Key Usages

08:ad:40:b2:60:d2:9c:4c:9f:5e:cd:a9:bd:93:ae:d9Certificate

Extended Key Usages

Key Usages

0c:4d:69:72:4b:94:fa:3c:2a:4a:3d:29:07:80:3d:5aCertificate

Extended Key Usages

Key Usages

0c:7e:ec:c8:c5:e1:d1:fb:52:92:56:a2:d3:10:f0:71Certificate

Extended Key Usages

Key Usages

88:bb:b4:33:1e:78:16:01:2c:21:37:d1:52:6e:5d:6e:84:48:6a:c6:72:22:54:b6:5d:66:b2:51:8a:37:65:e5Signer

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

gdi32

comdlg32

advapi32

shell32

shlwapi

oleaut32

Sections

.text Size: 177KB - Virtual size: 176KB

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

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

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

0e:9b:18:8e:f9:d0:2d:e7:ef:db:50:e2:08:40:18:5a
Certificate

07:36:37:b7:24:54:7c:d8:47:ac:fd:28:66:2a:5e:5b
Certificate

08:ad:40:b2:60:d2:9c:4c:9f:5e:cd:a9:bd:93:ae:d9
Certificate

0c:4d:69:72:4b:94:fa:3c:2a:4a:3d:29:07:80:3d:5a
Certificate

0c:7e:ec:c8:c5:e1:d1:fb:52:92:56:a2:d3:10:f0:71
Certificate

88:bb:b4:33:1e:78:16:01:2c:21:37:d1:52:6e:5d:6e:84:48:6a:c6:72:22:54:b6:5d:66:b2:51:8a:37:65:e5
Signer

.text
Size: 177KB - Virtual size: 176KB

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

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

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