MsMpEng[.]exe | Triage

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General

Target

MsMpEng.exe
Size

130KB
MD5

6eb45e2626f7d47cb0f491a1f2ef7e3e
SHA1

8e51703b8b91287b0564c7684bc476e2d7888eff
SHA256

7acd545afee1c8c9210b4bb6aa73d93b35d6aad2e330ec94bbcd2732dc8008c0
SHA512

ed8b60ddf2005077ff503602baf75d317bdb629a9107a3a2c283e2e9ad7f6bb9644666a3d713991b66f0e28ddc92c4d258c1a7f529511f01aeed8b87290eedc7
SSDEEP

3072:S+QOJiuXVyF3gcsku2oKTesQciC4Y4F1evqfN:uUiuXVupsMx4Y4Fsy1

Score

1^/10

Malware Config

Signatures

Files

MsMpEng.exe
.exe windows:10 windows x64 arch:x64

f189c7b818d0aa5ff3015f856e3c3a13

Code Sign

33:00:00:04:50:0d:a4:5d:0a:6c:7a:8a:57:00:00:00:00:04:50
Certificate

Issuer

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

Not Before

08-08-2023 18:38

Not After

07-08-2024 18:38

Subject

CN=Microsoft Windows Publisher,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

79:2f:76:cb:ae:96:92:b7:da:0b:ea:81:0d:62:35:95:49:1f:18:b3:96:22:a4:ea:64:ce:26:67:20:a4:5f:2f
Signer

Actual PE Digest

79:2f:76:cb:ae:96:92:b7:da:0b:ea:81:0d:62:35:95:49:1f:18:b3:96:22:a4:ea:64:ce:26:67:20:a4:5f:2f

Digest Algorithm

sha256

PE Digest Matches

true

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

PDB Paths

MsMpEng.pdb

Imports

advapi32

UnregisterTraceGuids
RegisterTraceGuidsW
GetTraceEnableLevel
GetTraceEnableFlags
GetTraceLoggerHandle
TraceMessage
RegCloseKey
RegOpenKeyExW
EventWriteTransfer
EventUnregister
EventRegister
RegQueryValueExW
RegSetValueExW

kernel32

UnhandledExceptionFilter
SetUnhandledExceptionFilter
IsProcessorFeaturePresent
GetModuleHandleW
TerminateProcess
RaiseException
SetLastError
FlsAlloc
FlsGetValue
FlsSetValue
FlsFree
EncodePointer
EnterCriticalSection
LeaveCriticalSection
InitializeCriticalSectionEx
DeleteCriticalSection
GetModuleHandleExW
InitializeCriticalSectionAndSpinCount
FindFirstFileW
GetCurrentThreadId
ExpandEnvironmentStringsW
FindClose
CreateFileW
GetFileAttributesW
CreateEventW
LoadLibraryExW
GetModuleFileNameW
InitializeSListHead
GetSystemDirectoryW
HeapSetInformation
GetProcessHeap
HeapAlloc
HeapFree
DecodePointer
GetCurrentProcessId
QueryPerformanceCounter
IsDebuggerPresent
VirtualLock
SetErrorMode
CloseHandle
GetCurrentProcess
FreeLibrary
GetProcAddress
GetLastError
GetSystemTimeAsFileTime
FindNextFileW

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

_wcsicmp
isdigit
towlower
strcpy_s
iswspace

crypt32

CertVerifyCertificateChainPolicy

wintrust

WTHelperProvDataFromStateData
WTHelperGetProvSignerFromChain
WinVerifyTrust
CryptCATAdminAcquireContext
CryptCATAdminReleaseContext
CryptCATAdminReleaseCatalogContext
CryptCATAdminCalcHashFromFileHandle
CryptCATCatalogInfoFromContext
CryptCATAdminEnumCatalogFromHash

ntdll

RtlLookupFunctionEntry
RtlVirtualUnwind
RtlUnwindEx
RtlPcToFileHeader
RtlGetVersion
RtlNtStatusToDosError
RtlCaptureContext
RtlUnwind

api-ms-win-crt-runtime-l1-1-0

_invalid_parameter_noinfo_noreturn
_seh_filter_exe
_set_app_type
_configure_wide_argv
_initialize_wide_environment
_get_initial_wide_environment
_initterm
_initterm_e
abort
exit
terminate
_crt_atexit
_register_onexit_function
_initialize_onexit_table
_exit
_errno
__p___argc
__p___wargv
_cexit
_register_thread_local_exe_atexit_callback
_c_exit

api-ms-win-crt-stdio-l1-1-0

_set_fmode
__p__commode
_wfopen
__stdio_common_vswprintf
feof
fgetws
fclose
__stdio_common_vsprintf

api-ms-win-crt-locale-l1-1-0

_configthreadlocale

api-ms-win-crt-heap-l1-1-0

_free_base
_calloc_base
free
_set_new_mode
_callnewh
malloc

api-ms-win-crt-convert-l1-1-0

wcstol

api-ms-win-crt-math-l1-1-0

ceilf

Sections

.text
Size: 72KB - Virtual size: 70KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 24KB - Virtual size: 23KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 4KB - Virtual size: 5KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 8KB - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 4KB - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 4KB - Virtual size: 360B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

f189c7b818d0aa5ff3015f856e3c3a13

Code Sign

33:00:00:04:50:0d:a4:5d:0a:6c:7a:8a:57:00:00:00:00:04:50Certificate

Extended Key Usages

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

Key Usages

79:2f:76:cb:ae:96:92:b7:da:0b:ea:81:0d:62:35:95:49:1f:18:b3:96:22:a4:ea:64:ce:26:67:20:a4:5f:2fSigner

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

advapi32

kernel32

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

crypt32

wintrust

ntdll

api-ms-win-crt-runtime-l1-1-0

api-ms-win-crt-stdio-l1-1-0

api-ms-win-crt-locale-l1-1-0

api-ms-win-crt-heap-l1-1-0

api-ms-win-crt-convert-l1-1-0

api-ms-win-crt-math-l1-1-0

Sections

.text Size: 72KB - Virtual size: 70KB

.rdata Size: 24KB - Virtual size: 23KB

.data Size: 4KB - Virtual size: 5KB

.pdata Size: 8KB - Virtual size: 4KB

.rsrc Size: 4KB - Virtual size: 2KB

.reloc Size: 4KB - Virtual size: 360B

33:00:00:04:50:0d:a4:5d:0a:6c:7a:8a:57:00:00:00:00:04:50
Certificate

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

79:2f:76:cb:ae:96:92:b7:da:0b:ea:81:0d:62:35:95:49:1f:18:b3:96:22:a4:ea:64:ce:26:67:20:a4:5f:2f
Signer

.text
Size: 72KB - Virtual size: 70KB

.rdata
Size: 24KB - Virtual size: 23KB

.data
Size: 4KB - Virtual size: 5KB

.pdata
Size: 8KB - Virtual size: 4KB

.rsrc
Size: 4KB - Virtual size: 2KB

.reloc
Size: 4KB - Virtual size: 360B