MpUXSrv[.]exe | Triage

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General

Target

MpUXSrv.exe
Size

68KB
MD5

1788eee5d6a908dd464308eb72602cfa
SHA1

83137b716a02e4b3af37ccba1f6e8572a5299036
SHA256

2d06a03258cf417a03fa5944139a996d429f27c0283dc9a55bd5572eff63b94c
SHA512

01e057777727f792763d07549c347b32a30a384a3e4a424b61c3e67afe750eb18f2541e0644b18dbc1025ccb91b8011bb936a4ea102b2e7e0408ed7dabb16722
SSDEEP

1536:FVH+ePTauGSPHO4mIo2/EncnPCYJYLFLKFTiuAFX2QGwNzjoP8:3+ePTauG0u4mIoDcqYQf2tazjo0

Score

1^/10

Malware Config

Signatures

Files

MpUXSrv.exe
.exe windows:10 windows x86

1a949d7b700c19f317aa5586d764cfb4

Code Sign

33:00:00:00:bc:e1:20:fd:d2:7c:c8:ee:93:00:00:00:00:00:bc
Certificate

Issuer

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

Not Before

18/08/2015, 17:15

Not After

18/11/2016, 17:15

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

f4:00:70:8b:43:da:77:67:49:56:fb:91:1c:fe:56:f9:b8:08:0c:9d:ec:b6:05:5f:37:16:13:9b:6a:b5:0b:0c
Signer

Actual PE Digest

f4:00:70:8b:43:da:77:67:49:56:fb:91:1c:fe:56:f9:b8:08:0c:9d:ec:b6:05:5f:37:16:13:9b:6a:b5:0b:0c

Digest Algorithm

sha256

PE Digest Matches

true

Headers

DLL Characteristics

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_32BIT_MACHINE

Imports

advapi32

TraceMessage
GetTraceLoggerHandle
GetTraceEnableLevel
GetTraceEnableFlags
RegisterTraceGuidsW
UnregisterTraceGuids
RegOpenKeyExW
RegQueryValueExW
RegCloseKey
EventSetInformation

kernel32

GetProcessHeap
HeapAlloc
HeapFree
GetVersionExW
CreateEventW
WaitForSingleObject
VirtualLock
DeleteCriticalSection
InitializeCriticalSectionAndSpinCount
ResetEvent
SetEvent
GetCurrentProcess
SetProcessWorkingSetSize
FreeLibrary
EncodePointer
DecodePointer
AcquireSRWLockShared
AcquireSRWLockExclusive
EnterCriticalSection
ReleaseSRWLockExclusive
ReleaseSRWLockShared
GetLastError
LeaveCriticalSection
CloseHandle
SetLastError
ExpandEnvironmentStringsW
GetSystemDirectoryW
LoadLibraryW
HeapSetInformation
GetProcAddress
GetModuleHandleW

msvcrt

_unlock
__RTDynamicCast
_vscwprintf
??3@YAXPAX@Z
memmove
_purecall
??_V@YAXPAX@Z
_vsnprintf
_vsnwprintf
_except_handler4_common
_controlfp
?terminate@@YAXXZ
??1type_info@@UAE@XZ
_onexit
__dllonexit
memset
_lock
_wcmdln
_initterm
__setusermatherr
__p__fmode
_cexit
_exit
exit
__set_app_type
__wgetmainargs
_amsg_exit
__p__commode
_XcptFilter
memcpy
__CxxFrameHandler3
_CxxThrowException
?what@exception@@UBEPBDXZ
??1exception@@UAE@XZ
??0exception@@QAE@ABV0@@Z
??0exception@@QAE@ABQBDH@Z
??0exception@@QAE@ABQBD@Z
??0exception@@QAE@XZ
_callnewh
malloc
wcschr
_wtoi

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

RoUninitialize
RoRegisterActivationFactories
RoRevokeActivationFactories
RoInitialize

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

WindowsIsStringEmpty
WindowsGetStringRawBuffer
WindowsDeleteString
WindowsStringHasEmbeddedNull
WindowsCreateString

ole32

CoResumeClassObjects
CoRegisterClassObject
CoRevokeClassObject
CoAddRefServerProcess
CoReleaseServerProcess
CoCreateInstance

api-ms-win-core-winrt-error-l1-1-1

RoOriginateError
RoOriginateErrorW

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

Sleep

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

GetStartupInfoW
GetCurrentProcessId
TerminateProcess
GetCurrentThreadId

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

UnhandledExceptionFilter
SetUnhandledExceptionFilter

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

GetModuleHandleA

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

QueryPerformanceCounter

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

GetTickCount
GetSystemTimeAsFileTime

mpclient

MpConfigClose
MpFreeMemory
MpConfigGetValueAlloc
MpHandleClose
MpClientUtilExportFunctions
MpConfigInitialize
MpConfigGetValue
MputIncrementDWORDRpc
MpConfigUninitialize
MpManagerOpen
MpManagerVersionQuery
MpConfigOpen

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

VerQueryValueW

ntdll

RtlNtStatusToDosError
RtlGetVersion

Sections

.text
Size: 43KB - Virtual size: 43KB

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: 3KB - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 3KB - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 4KB - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

1a949d7b700c19f317aa5586d764cfb4

Code Sign

33:00:00:00:bc:e1:20:fd:d2:7c:c8:ee:93:00:00:00:00:00:bcCertificate

Extended Key Usages

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

Key Usages

f4:00:70:8b:43:da:77:67:49:56:fb:91:1c:fe:56:f9:b8:08:0c:9d:ec:b6:05:5f:37:16:13:9b:6a:b5:0b:0cSigner

Headers

DLL Characteristics

File Characteristics

Imports

advapi32

kernel32

msvcrt

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

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

ole32

api-ms-win-core-winrt-error-l1-1-1

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

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

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

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

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

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

mpclient

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

ntdll

Sections

.text Size: 43KB - Virtual size: 43KB

.imrsiv Size: - Virtual size: 4B

.data Size: 3KB - Virtual size: 4KB

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

.rsrc Size: 3KB - Virtual size: 3KB

.reloc Size: 4KB - Virtual size: 3KB

33:00:00:00:bc:e1:20:fd:d2:7c:c8:ee:93:00:00:00:00:00:bc
Certificate

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

f4:00:70:8b:43:da:77:67:49:56:fb:91:1c:fe:56:f9:b8:08:0c:9d:ec:b6:05:5f:37:16:13:9b:6a:b5:0b:0c
Signer

.text
Size: 43KB - Virtual size: 43KB

.imrsiv
Size: - Virtual size: 4B

.data
Size: 3KB - Virtual size: 4KB

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

.rsrc
Size: 3KB - Virtual size: 3KB

.reloc
Size: 4KB - Virtual size: 3KB