RtlUpd[.]exe | Triage

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General

Target

RtlUpd.exe
Size

1.5MB
MD5

a555d7b3455264b89ee32392cd27655e
SHA1

6f3c5f9530ed733f8fdd1ad6f8becb2cb652f86b
SHA256

c340785f97313ebb70a8272f933be8d67b7ad3391123487c61e28a4ea506adba
SHA512

de6b19b7f9790d74cd4af0b14b1f7456fa646966c016cd7f956ade4d523db0b8115279e6e730d84f082acd82edc0c3cdd781c2a055adaa4194d7c9fe27ec30f6
SSDEEP

24576:QoAdE1VDpxHhPpD5U6rqjsxwSoPdVoBjCvuF17+2NdJfiOgUv+FtibXka:QOZpD5jrq5SoPdVoXiOgU+FtibXka

Score

1^/10

Malware Config

Signatures

Files

RtlUpd.exe
.exe windows:4 windows x86

3449e4028b224ee74cee65ff5109d03b

Code Sign

79:a2:a5:85:f9:d1:15:42:13:d9:b8:3e:f6:b6:8d:ed
Certificate

Issuer

CN=VeriSign Time Stamping Services CA,O=VeriSign\, Inc.,C=US

Not Before

01/05/2012, 00:00

Not After

31/12/2012, 23:59

Subject

CN=Symantec Time Stamping Services Signer - G3,O=Symantec Corporation,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature

47:bf:19:95:df:8d:52:46:43:f7:db:6d:48:0d:31:a4
Certificate

Issuer

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

Not Before

04/12/2003, 00:00

Not After

03/12/2013, 23:59

Subject

CN=VeriSign Time Stamping Services CA,O=VeriSign\, Inc.,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

65:52:26:e1:b2:2e:18:e1:59:0f:29:85:ac:22:e7:5c
Certificate

Issuer

OU=Class 3 Public Primary Certification Authority,O=VeriSign\, Inc.,C=US

Not Before

21/05/2009, 00:00

Not After

20/05/2019, 23:59

Subject

CN=VeriSign Class 3 Code Signing 2009-2 CA,OU=VeriSign Trust Network+OU=Terms of use at https://www.verisign.com/rpa (c)09,O=VeriSign\, Inc.,C=US

Extended Key Usages

ExtKeyUsageClientAuth
ExtKeyUsageCodeSigning

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

61:0c:12:06:00:00:00:00:00:1b
Certificate

Issuer

CN=Microsoft Code Verification Root,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

23/05/2006, 17:01

Not After

23/05/2016, 17:11

Subject

OU=Class 3 Public Primary Certification Authority,O=VeriSign\, Inc.,C=US

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

2c:80:89:2e:01:15:b0:b7:7a:a3:59:4b:9a:73:39:53
Certificate

Issuer

CN=VeriSign Class 3 Code Signing 2009-2 CA,OU=VeriSign Trust Network+OU=Terms of use at https://www.verisign.com/rpa (c)09,O=VeriSign\, Inc.,C=US

Not Before

21/07/2010, 00:00

Not After

11/06/2013, 23:59

Subject

CN=Realtek Semiconductor Corp,OU=Digital ID Class 3 - Microsoft Software Validation v2+OU=RTCN,O=Realtek Semiconductor Corp,L=Hsinchu,ST=Taiwan,C=TW

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

56:2d:ab:7c:6a:23:7d:f6:f9:a3:4c:29:8f:78:31:8e:d7:f5:ad:b6
Signer

Actual PE Digest

56:2d:ab:7c:6a:23:7d:f6:f9:a3:4c:29:8f:78:31:8e:d7:f5:ad:b6

Digest Algorithm

sha1

PE Digest Matches

true

Headers

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE

Imports

setupapi

SetupCopyOEMInfW
SetupOpenInfFileW
SetupCloseInfFile
SetupGetTargetPathW
SetupFindNextLine
SetupGetFieldCount
SetupGetStringFieldW
SetupFindFirstLineW
SetupDiOpenDevRegKey
SetupDiGetClassDevsW
SetupDiGetDeviceInstanceIdW
SetupDiDestroyDeviceInfoList
SetupDiEnumDeviceInfo
SetupDiSetClassInstallParamsW
SetupDiCallClassInstaller
SetupDiGetDeviceInstallParamsW
SetupDiGetDeviceInfoListDetailW
CM_Get_DevNode_Status_Ex
SetupDiGetDeviceRegistryPropertyW
SetupDiEnumDeviceInterfaces
SetupDiGetDeviceInterfaceDetailW

newdev

UpdateDriverForPlugAndPlayDevicesW

version

GetFileVersionInfoW
GetFileVersionInfoSizeW
VerQueryValueW

kernel32

DeleteCriticalSection
TlsFree
InterlockedIncrement
GetThreadLocale
ReadFile
SetFilePointer
FlushFileBuffers
LockFile
UnlockFile
SetEndOfFile
GetFileSize
DuplicateHandle
GetVolumeInformationW
GetFullPathNameW
lstrlenA
FileTimeToSystemTime
SetErrorMode
FileTimeToLocalFileTime
GetFileAttributesW
GetFileTime
GetTickCount
LocalReAlloc
HeapAlloc
GetProcessHeap
GetStartupInfoW
RtlUnwind
ExitProcess
RaiseException
HeapReAlloc
HeapSize
VirtualProtect
VirtualAlloc
GetSystemInfo
VirtualQuery
SetUnhandledExceptionFilter
GetStdHandle
GetModuleFileNameA
FreeEnvironmentStringsA
GetEnvironmentStrings
FreeEnvironmentStringsW
GetEnvironmentStringsW
GetCommandLineA
SetHandleCount
GetFileType
GetStartupInfoA
HeapDestroy
HeapCreate
VirtualFree
QueryPerformanceCounter
GetSystemTimeAsFileTime
TerminateProcess
UnhandledExceptionFilter
IsDebuggerPresent
GetCPInfo
GetACP
GetOEMCP
IsValidCodePage
LCMapStringA
LCMapStringW
GetTimeZoneInformation
GetStringTypeA
GetStringTypeW
GetLocaleInfoA
GetConsoleCP
GetConsoleMode
SetStdHandle
WriteConsoleA
GetConsoleOutputCP
WriteConsoleW
CreateFileA
SetEnvironmentVariableA
TlsSetValue
TlsAlloc
InitializeCriticalSection
GlobalHandle
GlobalReAlloc
EnterCriticalSection
TlsGetValue
LeaveCriticalSection
GlobalFlags
WritePrivateProfileStringW
GetModuleHandleA
GlobalFindAtomW
CompareStringW
LoadLibraryA
GetVersionExA
InterlockedDecrement
MulDiv
lstrlenW
GlobalUnlock
FreeResource
GetCurrentProcessId
SetLastError
GlobalAddAtomW
GlobalDeleteAtom
GetCurrentThread
GetCurrentThreadId
ConvertDefaultLocale
GetVersion
EnumResourceLanguagesW
lstrcmpA
GetLocaleInfoW
WideCharToMultiByte
CompareStringA
InterlockedExchange
GlobalLock
lstrcmpW
CreateThread
FindClose
FindFirstFileW
lstrcpyW
SetFileAttributesW
FindNextFileW
DeleteFileW
MoveFileExW
GetModuleFileNameW
GetCommandLineW
CreateProcessW
WaitForSingleObject
GetExitCodeProcess
GlobalAlloc
GlobalFree
Sleep
GetModuleHandleW
GetCurrentProcess
GetVersionExW
GetSystemDefaultLangID
GetUserDefaultLangID
CreateFileW
WriteFile
CloseHandle
GetWindowsDirectoryW
lstrcatW
LoadLibraryW
GetProcAddress
FreeLibrary
LocalAlloc
GetLastError
FormatMessageW
LocalFree
MultiByteToWideChar
FindResourceW
LoadResource
LockResource
SizeofResource
HeapFree

user32

RegisterClipboardFormatW
PostThreadMessageW
GetSysColorBrush
ReleaseCapture
SetCapture
EndPaint
BeginPaint
GetWindowDC
ClientToScreen
GrayStringW
DrawTextExW
DrawTextW
TabbedTextOutW
ShowWindow
MoveWindow
SetWindowTextW
IsDialogMessageW
RegisterWindowMessageW
SendDlgItemMessageW
SendDlgItemMessageA
WinHelpW
IsChild
GetCapture
GetClassLongW
GetClassNameW
SetPropW
GetPropW
RemovePropW
SetFocus
GetWindowTextW
GetForegroundWindow
GetTopWindow
GetMessageTime
MapWindowPoints
UpdateWindow
GetMenu
CreateWindowExW
GetClassInfoExW
GetClassInfoW
RegisterClassW
GetSysColor
AdjustWindowRectEx
EqualRect
PtInRect
GetDlgCtrlID
DefWindowProcW
CallWindowProcW
SetWindowLongW
IntersectRect
SystemParametersInfoA
GetWindowPlacement
GetWindowRect
UnhookWindowsHookEx
GetMenuItemID
GetMenuItemCount
GetSubMenu
GetWindow
SetWindowContextHelpId
MapDialogRect
SetWindowPos
ReleaseDC
GetDC
CopyRect
GetDesktopWindow
SetActiveWindow
CreateDialogIndirectParamW
DestroyWindow
IsWindow
GetDlgItem
GetNextDlgTabItem
EndDialog
GetWindowThreadProcessId
GetWindowLongW
GetLastActivePopup
IsWindowEnabled
SetWindowsHookExW
CallNextHookEx
GetMessageW
TranslateMessage
DispatchMessageW
GetActiveWindow
IsWindowVisible
DestroyMenu
UnregisterClassW
MessageBeep
GetNextDlgGroupItem
InvalidateRgn
InvalidateRect
SetRect
IsRectEmpty
CopyAcceleratorTableW
GetMessagePos
CharNextW
GetKeyState
PeekMessageW
GetCursorPos
ValidateRect
SetMenuItemBitmaps
GetMenuCheckMarkDimensions
LoadBitmapW
GetFocus
GetParent
ModifyMenuW
GetMenuState
EnableMenuItem
CheckMenuItem
PostMessageW
PostQuitMessage
ExitWindowsEx
CharUpperW
LoadCursorW
SetCursor
MessageBoxW
GetSystemMetrics
EnableWindow
LoadIconW
SetForegroundWindow
GetClientRect
IsIconic
SendMessageW
DrawIcon
OffsetRect
UnregisterClassA

gdi32

GetStockObject
DeleteDC
GetMapMode
GetBkColor
GetTextColor
GetRgnBox
ExtSelectClipRgn
SetMapMode
RestoreDC
SaveDC
GetObjectW
SetBkColor
SetTextColor
GetClipBox
GetDeviceCaps
CreateRectRgnIndirect
CreateBitmap
ScaleWindowExtEx
SetWindowExtEx
ScaleViewportExtEx
SetViewportExtEx
OffsetViewportOrgEx
SetViewportOrgEx
SelectObject
Escape
ExtTextOutW
TextOutW
RectVisible
PtVisible
GetWindowExtEx
GetViewportExtEx
DeleteObject

comdlg32

GetFileTitleW

winspool.drv

ClosePrinter
DocumentPropertiesW
OpenPrinterW

advapi32

RegQueryValueW
RegEnumKeyW
RegDeleteKeyW
RegQueryValueExW
RegOpenKeyW
RegDeleteValueW
OpenProcessToken
LookupPrivilegeValueW
AdjustTokenPrivileges
RegCreateKeyW
RegSetValueExW
RegOpenKeyExW
RegEnumKeyExW
RegCloseKey
RegCreateKeyExW

shell32

ShellExecuteW

shlwapi

PathFindExtensionW
PathFindFileNameW
PathStripToRootW
SHDeleteKeyW
PathIsUNCW

oledlg

OleUIBusyW

ole32

CreateILockBytesOnHGlobal
StgCreateDocfileOnILockBytes
StgOpenStorageOnILockBytes
CoGetClassObject
CoTaskMemAlloc
CoTaskMemFree
CLSIDFromString
CLSIDFromProgID
OleUninitialize
CoFreeUnusedLibraries
OleInitialize
CoRegisterMessageFilter
OleFlushClipboard
OleIsCurrentClipboard
CoRevokeClassObject

oleaut32

VariantInit
VariantCopy
SysAllocString
SafeArrayDestroy
SystemTimeToVariantTime
VariantTimeToSystemTime
OleCreateFontIndirect
SysStringLen
SysFreeString
VariantChangeType
VariantClear
SysAllocStringLen

Sections

.text
Size: 244KB - Virtual size: 240KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 64KB - Virtual size: 63KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 12KB - Virtual size: 26KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 1.1MB - Virtual size: 1.1MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

3449e4028b224ee74cee65ff5109d03b

Code Sign

79:a2:a5:85:f9:d1:15:42:13:d9:b8:3e:f6:b6:8d:edCertificate

Extended Key Usages

Key Usages

47:bf:19:95:df:8d:52:46:43:f7:db:6d:48:0d:31:a4Certificate

Extended Key Usages

Key Usages

65:52:26:e1:b2:2e:18:e1:59:0f:29:85:ac:22:e7:5cCertificate

Extended Key Usages

Key Usages

61:0c:12:06:00:00:00:00:00:1bCertificate

Key Usages

2c:80:89:2e:01:15:b0:b7:7a:a3:59:4b:9a:73:39:53Certificate

Extended Key Usages

Key Usages

56:2d:ab:7c:6a:23:7d:f6:f9:a3:4c:29:8f:78:31:8e:d7:f5:ad:b6Signer

Headers

File Characteristics

Imports

setupapi

newdev

version

kernel32

user32

gdi32

comdlg32

winspool.drv

advapi32

shell32

shlwapi

oledlg

ole32

oleaut32

Sections

.text Size: 244KB - Virtual size: 240KB

.rdata Size: 64KB - Virtual size: 63KB

.data Size: 12KB - Virtual size: 26KB

.rsrc Size: 1.1MB - Virtual size: 1.1MB

79:a2:a5:85:f9:d1:15:42:13:d9:b8:3e:f6:b6:8d:ed
Certificate

47:bf:19:95:df:8d:52:46:43:f7:db:6d:48:0d:31:a4
Certificate

65:52:26:e1:b2:2e:18:e1:59:0f:29:85:ac:22:e7:5c
Certificate

61:0c:12:06:00:00:00:00:00:1b
Certificate

2c:80:89:2e:01:15:b0:b7:7a:a3:59:4b:9a:73:39:53
Certificate

56:2d:ab:7c:6a:23:7d:f6:f9:a3:4c:29:8f:78:31:8e:d7:f5:ad:b6
Signer

.text
Size: 244KB - Virtual size: 240KB

.rdata
Size: 64KB - Virtual size: 63KB

.data
Size: 12KB - Virtual size: 26KB

.rsrc
Size: 1.1MB - Virtual size: 1.1MB