werfault[.]exe

Sharing

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General

Target

werfault.exe
Size

299KB
MD5

1c7db4a4f28d9003e4ac027d9f486b7e
SHA1

e5bf16c807f845854f976520eefab00890c9fee4
SHA256

f4ef776be91d69ca06e0c67848634c9c764dba7b47365b643cffc181b24ea51d
SHA512

4492d3a0f3b5f79d16e509ba9ed1dcd37557702b56a2fae017b8e222162fe68fb3cf8e18ae854d8d11de6b6720df1a18376eaf56e76438fedb3411168c20baec
SSDEEP

6144:N6RVP9t7VNb3qqjLBZkiuqJPG+06AxXm6u8AsJo//DWFVJyB60OHyLC7v2:N6D7VbBwqJPt0pXmcg/qjc2Hywu

Score

N/A

Malware Config

Signatures

Files

werfault.exe
.exe windows x64

4d7307cfbdbd0c5f1319b1cf5c054ca6

Code Sign

33:00:00:02:ed:2c:45:e4:c1:45:cf:48:44:00:00:00:00:02:ed
Certificate

Issuer

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

Not Before

15/12/2020, 21:29

Not After

02/12/2021, 21:29

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

e7:0e:49:b0:2c:09:c9:d9:af:a0:60:a5:10:f1:e7:a8:8f:58:fd:d9:a2:f0:51:4a:c5:bf:cc:f6:3a:30:f6:0f
Signer

Actual PE Digest

e7:0e:49:b0:2c:09:c9:d9:af:a0:60:a5:10:f1:e7:a8:8f:58:fd:d9:a2:f0:51:4a:c5:bf:cc:f6:3a:30:f6:0f

Digest Algorithm

sha256

PE Digest Matches

true

Signature Validations

Trusted

false

Verification

Signing Certificate

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

17/11/2022, 13:16
Valid: false

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_FORCE_INTEGRITY
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_GUARD_CF
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE

Imports

msvcrt

_wtoi
wcspbrk
wcschr
iswspace
_wcsicmp
_vscwprintf
_wcsnicmp
memmove
wcsrchr
_purecall
_vsnprintf_s
memcpy_s
_wtoi64
free
_vsnwprintf
??0exception@@QEAA@AEBV0@@Z
tolower
isspace
wcsstr
towlower
??1exception@@UEAA@XZ
??1type_info@@UEAA@XZ
_callnewh
??0exception@@QEAA@XZ
wcsncmp
_CxxThrowException
memset
malloc
?terminate@@YAXXZ
_commode
_fmode
__C_specific_handler
_initterm
__setusermatherr
_cexit
_exit
exit
__set_app_type
__wgetmainargs
_amsg_exit
__CxxFrameHandler3
_XcptFilter
wcscmp

cryptsp

CryptAcquireContextW
CryptReleaseContext

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

GetModuleHandleW
GetModuleHandleExW
LoadLibraryExW
FreeLibrary
FreeLibraryAndExitThread
GetModuleFileNameA
LoadStringW
GetProcAddress

api-ms-win-core-errorhandling-l1-1-1

UnhandledExceptionFilter
GetLastError
SetErrorMode
SetUnhandledExceptionFilter

api-ms-win-eventing-provider-l1-1-0

EventWrite
EventSetInformation
EventUnregister
EventRegister
EventWriteTransfer

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

HeapSetInformation
HeapAlloc
GetProcessHeap
HeapFree

api-ms-win-core-handle-l1-1-0

DuplicateHandle
CloseHandle

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

Sleep
CreateMutexW
SetEvent
OpenMutexW
WaitForSingleObjectEx
OpenEventW
ReleaseMutex
WaitForSingleObject

api-ms-win-core-profile-l1-1-0

QueryPerformanceCounter

api-ms-win-core-processthreads-l1-1-2

GetCurrentProcessId
GetCurrentThread
OpenProcess
GetProcessId
GetCurrentProcess
TerminateProcess
GetProcessTimes
OpenProcessToken
GetThreadContext
OpenThread
SetPriorityClass
SetThreadPriority
GetThreadPriority
CreateThread
GetExitCodeThread
CreateProcessW
GetCurrentThreadId

api-ms-win-core-sysinfo-l1-2-1

GetSystemInfo
GetWindowsDirectoryW
GlobalMemoryStatusEx
GetTickCount
GetProductInfo
GetSystemTimeAsFileTime
GetSystemDirectoryW
GetVersionExW

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

RtlVirtualUnwind
RtlCaptureContext
RtlLookupFunctionEntry

api-ms-win-core-localization-l1-2-1

FormatMessageW
GetSystemDefaultLangID

api-ms-win-core-debug-l1-1-1

DebugBreak
OutputDebugStringW
IsDebuggerPresent

api-ms-win-core-heap-l2-1-0

LocalFree

api-ms-win-security-base-l1-2-0

CheckTokenMembership
FreeSid
CreateWellKnownSid
GetTokenInformation
GetSidSubAuthority
AllocateAndInitializeSid
GetSidSubAuthorityCount
IsValidSid
GetLengthSid
CopySid

api-ms-win-core-version-l1-1-0

GetFileVersionInfoSizeExW
VerQueryValueW
GetFileVersionInfoExW

api-ms-win-core-file-l1-2-1

QueryDosDeviceW
WriteFile
GetDriveTypeW
ReadFile
GetTempFileNameW
DeleteFileW
CreateDirectoryW
GetLogicalDriveStringsW
GetDiskFreeSpaceExW
SetFileAttributesW
GetLongPathNameW
GetTempPathW
CompareFileTime
SetFileInformationByHandle
GetFinalPathNameByHandleW
FindFirstFileW
FileTimeToLocalFileTime
GetFileAttributesW
FindClose
FindNextFileW
GetFileAttributesExW
GetFileSize
CreateFileW

api-ms-win-core-memory-l1-1-2

VirtualAlloc
VirtualFree
MapViewOfFile
OpenFileMappingW
ReadProcessMemory
CreateFileMappingW
UnmapViewOfFile

api-ms-win-core-registry-l1-1-0

RegEnumValueW
RegGetKeySecurity
RegSetKeySecurity
RegGetValueW
RegSetValueExW
RegCreateKeyExW
RegDeleteTreeW
RegDeleteValueW
RegQueryValueExW
RegOpenKeyExW
RegEnumKeyExW
RegQueryInfoKeyW
RegCloseKey

api-ms-win-core-psapi-l1-1-0

K32EnumProcessModules
K32GetModuleFileNameExW

api-ms-win-service-management-l1-1-0

OpenServiceW
CloseServiceHandle
OpenSCManagerW

api-ms-win-core-string-l1-1-0

MultiByteToWideChar

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

GetCommandLineW
ExpandEnvironmentStringsW

api-ms-win-eventlog-legacy-l1-1-0

DeregisterEventSource
ReportEventW
RegisterEventSourceW

api-ms-win-core-localization-obsolete-l1-3-0

GetUserDefaultUILanguage

ntdll

NtSuspendProcess
NtResumeProcess
RtlCreateProcessReflection
RtlFreeSid
NtAlpcSendWaitReceivePort
NtAlpcConnectPort
RtlAllocateAndInitializeSid
NtWaitForSingleObject
EtwEventWriteNoRegistration
ZwUpdateWnfStateData
ZwQueryWnfStateNameInformation
DbgPrint
RtlAllocateHeap
RtlFreeHeap
RtlSetThreadErrorMode
RtlGetUnloadEventTraceEx
RtlAdjustPrivilege
NtSetSystemInformation
EtwGetTraceLoggerHandle
EtwGetTraceEnableLevel
EtwGetTraceEnableFlags
EtwTraceMessage
DbgPrintEx
NtQuerySystemInformation
NtClose
NtOpenEvent
RtlImageNtHeaderEx
RtlNtStatusToDosError
RtlInitUnicodeString
NtQueryInformationProcess
NtQueryInformationThread
EtwUnregisterTraceGuids
EtwRegisterTraceGuidsW

wer

WerpCreateMachineStore
WerpPromptUser
WerpGetReportFlags
WerReportCloseHandle
WerReportSubmit
WerpAddFile
WerReportAddFile
WerpSetCallBack
WerpSetTelemetryKernelParams
WerpSetIntegratorReportId
WerReportCreate
WerpSetReportNamespaceParameter
WerpReportSprintfParameter
WerpValidateReportKey
WerpGetStorePath
WerpSetReportFlags

api-ms-win-downlevel-shlwapi-l2-1-1

IsOS

dbghelp

MiniDumpWriteDump

wintrust

CryptCATAdminEnumCatalogFromHash
CryptCATAdminCalcHashFromFileHandle
CryptCATAdminAcquireContext
CryptCATEnumerateCatAttr
CryptCATCatalogInfoFromContext
CryptCATOpen
CryptCATAdminReleaseContext
CryptCATClose

api-ms-win-core-apiquery-l1-1-0

ApiSetQueryApiSetPresence

api-ms-win-core-delayload-l1-1-1

DelayLoadFailureHook
ResolveDelayLoadedAPI

api-ms-win-security-sddl-l1-1-0

ConvertSidToStringSidW
ConvertStringSecurityDescriptorToSecurityDescriptorW

api-ms-win-core-wow64-l1-1-0

IsWow64Process

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

CloseThreadpoolWait
WaitForThreadpoolWaitCallbacks
CreateThreadpoolWait
SetThreadpoolWait

api-ms-win-core-synch-l1-2-1

WaitForMultipleObjects

api-ms-win-eventing-controller-l1-1-0

StopTraceW
StartTraceW

rpcrt4

RpcStringFreeW
UuidToStringW
UuidCreate

api-ms-win-core-timezone-l1-1-0

FileTimeToSystemTime

api-ms-win-service-management-l2-1-0

QueryServiceConfigW

api-ms-win-core-file-l2-1-1

MoveFileExW

api-ms-win-core-registry-l1-1-1

RegSetKeyValueW

api-ms-win-core-libraryloader-l1-2-2

LoadLibraryW

bcrypt

BCryptCreateHash
BCryptFinishHash
BCryptDestroyHash
BCryptHashData

api-ms-win-eventing-legacy-l1-1-0

EnableTrace
QueryTraceW

api-ms-win-core-registry-l2-2-0

RegOpenKeyW
RegDeleteKeyW

api-ms-win-core-toolhelp-l1-1-0

Module32NextW
Thread32First
Thread32Next
CreateToolhelp32Snapshot
Module32FirstW

api-ms-win-core-shlwapi-obsolete-l1-2-0

StrStrIW

api-ms-win-security-trustee-l1-1-1

BuildSecurityDescriptorW

faultrep

WerpInitiateCrashReporting

Sections

.text
Size: 147KB - Virtual size: 146KB

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

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 1024B - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 4KB - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.didat
Size: 512B - Virtual size: 112B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 512B - Virtual size: 368B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

4d7307cfbdbd0c5f1319b1cf5c054ca6

Code Sign

33:00:00:02:ed:2c:45:e4:c1:45:cf:48:44:00:00:00:00:02:edCertificate

Extended Key Usages

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

Key Usages

e7:0e:49:b0:2c:09:c9:d9:af:a0:60:a5:10:f1:e7:a8:8f:58:fd:d9:a2:f0:51:4a:c5:bf:cc:f6:3a:30:f6:0fSigner

Signature Validations

Verification

17/11/2022, 13:16 Valid: false

Headers

DLL Characteristics

File Characteristics

Imports

msvcrt

cryptsp

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

api-ms-win-core-errorhandling-l1-1-1

api-ms-win-eventing-provider-l1-1-0

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

api-ms-win-core-handle-l1-1-0

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

api-ms-win-core-profile-l1-1-0

api-ms-win-core-processthreads-l1-1-2

api-ms-win-core-sysinfo-l1-2-1

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

api-ms-win-core-localization-l1-2-1

api-ms-win-core-debug-l1-1-1

api-ms-win-core-heap-l2-1-0

api-ms-win-security-base-l1-2-0

api-ms-win-core-version-l1-1-0

api-ms-win-core-file-l1-2-1

api-ms-win-core-memory-l1-1-2

api-ms-win-core-registry-l1-1-0

api-ms-win-core-psapi-l1-1-0

api-ms-win-service-management-l1-1-0

api-ms-win-core-string-l1-1-0

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

api-ms-win-eventlog-legacy-l1-1-0

api-ms-win-core-localization-obsolete-l1-3-0

ntdll

wer

api-ms-win-downlevel-shlwapi-l2-1-1

dbghelp

wintrust

api-ms-win-core-apiquery-l1-1-0

api-ms-win-core-delayload-l1-1-1

api-ms-win-security-sddl-l1-1-0

api-ms-win-core-wow64-l1-1-0

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

api-ms-win-core-synch-l1-2-1

api-ms-win-eventing-controller-l1-1-0

rpcrt4

api-ms-win-core-timezone-l1-1-0

api-ms-win-service-management-l2-1-0

api-ms-win-core-file-l2-1-1

api-ms-win-core-registry-l1-1-1

api-ms-win-core-libraryloader-l1-2-2

bcrypt

api-ms-win-eventing-legacy-l1-1-0

api-ms-win-core-registry-l2-2-0

api-ms-win-core-toolhelp-l1-1-0

api-ms-win-core-shlwapi-obsolete-l1-2-0

api-ms-win-security-trustee-l1-1-1

faultrep

Sections

.text Size: 147KB - Virtual size: 146KB

.imrsiv Size: - Virtual size: 4B

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

.data Size: 1024B - Virtual size: 2KB

.pdata Size: 4KB - Virtual size: 4KB

.didat Size: 512B - Virtual size: 112B

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

.reloc Size: 512B - Virtual size: 368B

33:00:00:02:ed:2c:45:e4:c1:45:cf:48:44:00:00:00:00:02:ed
Certificate

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

e7:0e:49:b0:2c:09:c9:d9:af:a0:60:a5:10:f1:e7:a8:8f:58:fd:d9:a2:f0:51:4a:c5:bf:cc:f6:3a:30:f6:0f
Signer

17/11/2022, 13:16
Valid: false

.text
Size: 147KB - Virtual size: 146KB

.imrsiv
Size: - Virtual size: 4B

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

.data
Size: 1024B - Virtual size: 2KB

.pdata
Size: 4KB - Virtual size: 4KB

.didat
Size: 512B - Virtual size: 112B

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

.reloc
Size: 512B - Virtual size: 368B