WerFault[.]exe

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General

Target

WerFault.exe
Size

400KB
MD5

26b2170bec5ea59b297d07bbb894fbab
SHA1

74a146afc6ed664baa40451196288181e2205db7
SHA256

93743ab3a4fbec556e28a35234ec8a09d9a360dacae79fd8909533de71998bba
SHA512

2512980280832b4e0c59241dbbd888753ea5b2622007b6d593982ff82a6ec223fc0a07c726e1e51c21b2fb46fff91e62edd4f7c3bbb6ef0f226bc67001e90ba8
SSDEEP

6144:cVvu7xPDfUM/AkxK420yAzR/NPTJwoU7sm8oAVZiDVrUe9Ii5YoUVJyB60OHyLCI:cc7NDft/ALoMuiDVfD5YZc2HywQjV

Score

1^/10

Malware Config

Signatures

Files

WerFault.exe
.exe windows x86

471b331c175de147e88422ce352bc6a4

Code Sign

33:00:00:00:24:18:fc:0b:68:9e:73:99:d0:00:00:00:00:00:24
Certificate

Issuer

CN=Microsoft Windows Production PCA 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

17/06/2013, 21:43

Not After

17/09/2014, 21:43

Subject

CN=Microsoft Windows,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

61:07:76:56:00:00:00:00:00:08
Certificate

Issuer

CN=Microsoft Root Certificate Authority 2010,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

19/10/2011, 18:41

Not After

19/10/2026, 18:51

Subject

CN=Microsoft Windows Production PCA 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

f9:89:c3:12:6d:7c:78:1e:f5:35:ad:b9:3e:9a:63:5c:4d:99:e0:34:74:92:98:04:8e:4b:e0:d7:cd:9d:4a:6e
Signer

Actual PE Digest

f9:89:c3:12:6d:7c:78:1e:f5:35:ad:b9:3e:9a:63:5c:4d:99:e0:34:74:92:98:04:8e:4b:e0:d7:cd:9d:4a:6e

Digest Algorithm

sha256

PE Digest Matches

true

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_FORCE_INTEGRITY
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE

Imports

advapi32

TraceMessage
GetTraceLoggerHandle
GetTraceEnableLevel
GetTraceEnableFlags
RegisterTraceGuidsW
UnregisterTraceGuids
MD5Final
MD5Update
MD5Init
BuildSecurityDescriptorW
RegSetKeyValueW
EventWrite
EventUnregister
EventRegister
ConvertSidToStringSidW
EqualSid
CloseThreadWaitChainSession
GetThreadWaitChain
OpenThreadWaitChainSession
RegisterWaitChainCOMCallback
SetFileSecurityW
SetSecurityDescriptorDacl
InitializeSecurityDescriptor
SetEntriesInAclW
OpenThreadToken
GetSecurityDescriptorDacl
CreateWellKnownSid
FreeSid
CheckTokenMembership
AllocateAndInitializeSid
CopySid
GetLengthSid
IsValidSid
GetSidSubAuthorityCount
GetFileSecurityW
GetSidSubAuthority
GetTokenInformation
StopTraceW
EnableTrace
StartTraceW
QueryTraceW
DeregisterEventSource
ReportEventW
RegisterEventSourceW
RegOpenKeyW
CloseServiceHandle
QueryServiceConfigW
OpenServiceW
OpenSCManagerW
ConvertStringSecurityDescriptorToSecurityDescriptorW
RegDeleteKeyW
CreateProcessAsUserW
OpenProcessToken

kernel32

GetFileAttributesExW
WriteFile
FileTimeToSystemTime
RegQueryValueExW
RegGetValueW
FindFirstFileW
FindNextFileW
FindClose
GetSystemInfo
GetProductInfo
GetSystemDefaultLangID
SetFileAttributesW
MoveFileExW
GetDiskFreeSpaceExW
OpenProcess
CreateFileMappingW
MapViewOfFile
UnmapViewOfFile
GetSystemDirectoryW
GetUserDefaultUILanguage
DeviceIoControl
GetFileAttributesW
ReadProcessMemory
GetApplicationRestartSettings
GetProcessTimes
IsDebuggerPresent
DebugBreak
LoadLibraryExW
FreeLibraryAndExitThread
GetModuleHandleExW
CreateThread
GetExitCodeThread
FreeLibrary
HeapAlloc
GetProcessHeap
HeapFree
OpenFileMappingW
DuplicateHandle
QueryFullProcessImageNameW
CreateToolhelp32Snapshot
Process32FirstW
Process32NextW
GetNativeSystemInfo
GetThreadUILanguage
IsWow64Process
SearchPathW
GetFileSize
MultiByteToWideChar
FormatMessageW
lstrlenW
GetWindowsDirectoryW
GetSystemWow64DirectoryW
ExpandEnvironmentStringsW
GetTempFileNameW
GetLongPathNameW
GetTempPathW
WaitForSingleObjectEx
RemoveDirectoryW
VirtualQuery
CheckRemoteDebuggerPresent
SetEnvironmentVariableW
GetModuleHandleW
CompareStringW
GetPriorityClass
SetEvent
GetStringTypeExW
CreateEventW
ResetEvent
WaitForMultipleObjects
K32GetModuleFileNameExW
GetPackageFullName
GetEnvironmentVariableW
WerGetFlags
Module32FirstW
RegDeleteTreeW
Thread32First
OpenThread
Thread32Next
QueryPerformanceFrequency
GetProcessIoCounters
LocalFree
PssQuerySnapshot
PssWalkMarkerCreate
PssWalkMarkerFree
GetThreadId
InitializeCriticalSection
DeleteCriticalSection
SetThreadpoolWait
CloseThreadpoolWait
WaitForThreadpoolWaitCallbacks
LeaveCriticalSection
EnterCriticalSection
CreateThreadpoolWait
GetThreadContext
GetProcessId
GetApplicationUserModelId
LCMapStringW
GetProcAddress
VirtualAlloc
VirtualFree
SetLastError
GetLogicalDriveStringsW
QueryDosDeviceW
GetDriveTypeW
FindFirstFileNameW
FindNextFileNameW
K32EnumProcessModules
GlobalMemoryStatusEx
SetThreadErrorMode
LoadLibraryW
OpenEventW
RegGetKeySecurity
RegSetKeySecurity
FindFirstFileExW
CompareFileTime
RegEnumKeyExW
CreateProcessW
GetModuleFileNameW
ReleaseMutex
WaitForSingleObject
RegEnumValueW
RegDeleteValueW
RegOpenKeyExW
RegCreateKeyExW
RegCloseKey
RegSetValueExW
RegQueryInfoKeyW
CreateMutexW
OpenMutexW
DeleteFileW
GetLastError
WTSGetActiveConsoleSessionId
SetThreadPriority
GetCurrentThread
GetThreadPriority
GetVersionExW
CloseHandle
GetCommandLineW
TerminateProcess
GetCurrentProcess
UnhandledExceptionFilter
GetTickCount
GetSystemTimeAsFileTime
GetCurrentThreadId
GetCurrentProcessId
QueryPerformanceCounter
GetModuleHandleA
SetUnhandledExceptionFilter
Sleep
HeapSetInformation
Module32NextW
SetPriorityClass
GetLocalTime
CreateDirectoryW
ResolveDelayLoadedAPI
DelayLoadFailureHook
SetErrorMode
InitializeCriticalSectionAndSpinCount
ReadFile
GetThreadTimes
CreateFileW

user32

TranslateMessage
DispatchMessageW
GetClassNameW
IsHungAppWindow
GetWindowThreadProcessId
GetShellWindow
IsWindowEnabled
GetWindow
SendMessageW
IsWindow
GetWindowLongW
ShowWindow
SetWindowPos
EndDialog
PostMessageW
LoadIconW
ChangeWindowMessageFilter
SetWindowLongW
DefWindowProcW
RegisterClassExW
CreateWindowExW
GetWindowBand
RegisterErrorReportingDialog
ord2521
CheckWindowThreadDesktop
LoadStringW
GetUserObjectInformationW
GetThreadDesktop
EnumWindows
GetMessageW
GetProcessWindowStation
RegisterWindowMessageW

msvcrt

_purecall
_wcstoui64
wcsstr
memcpy
__CxxFrameHandler3
_CxxThrowException
realloc
_onexit
__dllonexit
??1type_info@@UAE@XZ
_lock
_except_handler4_common
_controlfp
?terminate@@YAXXZ
_initterm
__setusermatherr
__p__fmode
_cexit
_exit
exit
__set_app_type
__wgetmainargs
_amsg_exit
__p__commode
towlower
isspace
tolower
_unlock
wcsncmp
_XcptFilter
_vsnwprintf
_wcsicmp
??2@YAPAXI@Z
??3@YAXPAX@Z
memset
wcsrchr
_wtoi64
_wtoi
memmove
_wcsnicmp
wcschr
_vscwprintf
iswspace
wcspbrk
malloc
free

ntdll

RtlAllocateHeap
RtlFreeHeap
RtlGetUnloadEventTraceEx
RtlAdjustPrivilege
NtSetSystemInformation
NtQueryObject
NtQueryInformationToken
EtwTraceMessage
RtlCompareUnicodeString
RtlNtStatusToDosErrorNoTeb
NtClose
RtlFreeSid
NtAlpcSendWaitReceivePort
DbgPrintEx
WinSqmAddToStream
RtlCreateProcessReflection
WinSqmSetString
NtAlpcConnectPort
RtlInitUnicodeString
RtlAllocateAndInitializeSid
NtWaitForSingleObject
NtOpenEvent
NtPowerInformation
NtQuerySystemInformation
EtwEventWriteNoRegistration
ZwUpdateWnfStateData
ZwQueryWnfStateNameInformation
NtQueryInformationThread
NtQueryInformationProcess
RtlImageNtHeaderEx
RtlGetVersion
NtQueryEvent
WinSqmSetDWORD
WinSqmStartSession
ShipAssert
WinSqmEndSession
NtSuspendProcess
NtResumeProcess
NtSystemDebugControl
RtlNtStatusToDosError
WinSqmIncrementDWORD
RtlUpcaseUnicodeChar
RtlCompareMemory
DbgPrint

ole32

CoTaskMemFree
CoTaskMemAlloc
CoGetMalloc
CoCreateInstance
CoUninitialize
CoCreateGuid
CoGetActivationState
CoGetCallState
CoInitialize
CoUnmarshalInterface
CoSetProxyBlanket
CLSIDFromString
ProgIDFromCLSID

oleaut32

SysFreeString
SysAllocStringLen

shlwapi

ord437

imm32

ImmDisableIME

wer

WerpHashApplicationParameters
WerpSetReportApplicationIdentity
WerpValidateReportKey
WerpGetStorePath
WerpReserveMachineQueueReportDir
WerpPromptUser
WerpAuxmdDumpRegisteredBlocks
WerpAuxmdDumpProcessImages
WerpAuxmdInitialize
WerpRestartApplication
WerpIsTransportAvailable
WerReportSetUIOption
WerpSetReportFlags
WerpGetReportFlags
WerpStitchedMinidumpVmPostReadCallback
WerpStitchedMinidumpVmPreReadCallback
WerpSetEventName
WerpResetTransientImageCacheStatistics
WerpTraceImageCacheStatistics
WerpTraceUnmappedVaRangesStatistics
WerpTraceAuxMemDumpStatistics
WerpTraceSnapshotStatistics
WerpForceDeferredCollection
WerpFreeUnmappedVaRanges
WerpFlushImageCache
WerpAuxmdFree
WerpInitializeImageCache
WerReportCloseHandle
WerReportSubmit
WerpAddFile
WerpSetCallBack
WerpSetIntegratorReportId
WerReportCreate
WerpSetReportNamespaceParameter
WerpReportSprintfParameter
WerReportSetParameter
WerpSetDynamicParameter
WerpAddMemoryBlock
WerpGetExtendedDiagData
WerpAddRegisteredDataToReport
WerReportAddDump
WerpAddAppCompatData
WerpGetFileByIndex
WerpGetNumFiles
WerpFreeString
WerpCreateIntegratorReportId
WerpReportCancel
WerpAuxmdFreeCopyBuffer
WerpAuxmdMapFile
WerpStitchedMinidumpVmQueryCallback
WerpAuxmdHashVaRanges
WerpUnmapProcessViews
WerReportAddFile

comctl32

ord413
ord410
ord345
ord412

faultrep

WerpInitiateCrashReporting

api-ms-win-core-synch-l1-2-0

WaitOnAddress
WakeByAddressSingle

Sections

.text
Size: 265KB - Virtual size: 265KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.imrsiv
Size: - Virtual size: 4B

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.data
Size: 2KB - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.idata
Size: 12KB - Virtual size: 11KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 86KB - Virtual size: 86KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 22KB - Virtual size: 21KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

471b331c175de147e88422ce352bc6a4

Code Sign

33:00:00:00:24:18:fc:0b:68:9e:73:99:d0:00:00:00:00:00:24Certificate

Extended Key Usages

61:07:76:56:00:00:00:00:00:08Certificate

Key Usages

f9:89:c3:12:6d:7c:78:1e:f5:35:ad:b9:3e:9a:63:5c:4d:99:e0:34:74:92:98:04:8e:4b:e0:d7:cd:9d:4a:6eSigner

Headers

DLL Characteristics

File Characteristics

Imports

advapi32

kernel32

user32

msvcrt

ntdll

ole32

oleaut32

shlwapi

imm32

wer

comctl32

faultrep

api-ms-win-core-synch-l1-2-0

Sections

.text Size: 265KB - Virtual size: 265KB

.imrsiv Size: - Virtual size: 4B

.data Size: 2KB - Virtual size: 2KB

.idata Size: 12KB - Virtual size: 11KB

.rsrc Size: 86KB - Virtual size: 86KB

.reloc Size: 22KB - Virtual size: 21KB

33:00:00:00:24:18:fc:0b:68:9e:73:99:d0:00:00:00:00:00:24
Certificate

61:07:76:56:00:00:00:00:00:08
Certificate

f9:89:c3:12:6d:7c:78:1e:f5:35:ad:b9:3e:9a:63:5c:4d:99:e0:34:74:92:98:04:8e:4b:e0:d7:cd:9d:4a:6e
Signer

.text
Size: 265KB - Virtual size: 265KB

.imrsiv
Size: - Virtual size: 4B

.data
Size: 2KB - Virtual size: 2KB

.idata
Size: 12KB - Virtual size: 11KB

.rsrc
Size: 86KB - Virtual size: 86KB

.reloc
Size: 22KB - Virtual size: 21KB