MsMpEng[.]exe | Triage

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General

Target

MsMpEng.exe
Size

130KB
MD5

0ce4761bf8ceca34a907580d156f74b9
SHA1

dfdb9afc3f73b1f3b7f116e581a99d9f64fb9fa3
SHA256

9ad63a5ce2cbce512bd960f6f4e69c23c68c38378d759d4ac1fb5c5916ad044c
SHA512

81768ec9674c8975308aaa54849352890faf21946a7e6fe3b23baad265eece83e363cbdb52daebb9aa9f7904b629ef0f42db2e4d1b3cb44ca05f5f3280953be5
SSDEEP

3072:svFTTgHn92SaEU1oy53JW4s71KTeO5DpENR2bT+eH:sRgHnZ3U1T53JWCpENRuf

Score

1^/10

Malware Config

Signatures

Files

MsMpEng.exe
.exe windows x64

687123f1c206e22e386166a0d2a899f7

Code Sign

33:00:00:03:f0:b3:c9:1e:ce:a8:0a:5b:3a:00:00:00:00:03:f0
Certificate

Issuer

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

Not Before

13/10/2022, 19:43

Not After

11/10/2023, 19:43

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

01:7f:ca:c9:9d:41:f2:21:46:f7:a3:e1:5a:b5:bb:63:48:44:1e:18:71:22:9a:7f:a5:a2:0d:ea:80:6e:31:7e
Signer

Actual PE Digest

01:7f:ca:c9:9d:41:f2:21:46:f7:a3:e1:5a:b5:bb:63:48:44:1e:18:71:22:9a:7f:a5:a2:0d:ea:80:6e:31:7e

Digest Algorithm

sha256

PE Digest Matches

true

Signature Validations

Trusted

false

Verification

Signing Certificate

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

02/02/2023, 17:55
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

advapi32

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

kernel32

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

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

_wcsicmp
towlower
isdigit
iswspace
strcpy_s

crypt32

CertVerifyCertificateChainPolicy

wintrust

CryptCATAdminAcquireContext
CryptCATAdminReleaseCatalogContext
CryptCATCatalogInfoFromContext
WTHelperGetProvSignerFromChain
CryptCATAdminReleaseContext
CryptCATAdminEnumCatalogFromHash
WinVerifyTrust
WTHelperProvDataFromStateData
CryptCATAdminCalcHashFromFileHandle

ntdll

RtlUnwindEx
RtlPcToFileHeader
RtlGetVersion
RtlLookupFunctionEntry
RtlCaptureContext
RtlNtStatusToDosError
RtlVirtualUnwind

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

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

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

_wfopen
_set_fmode
fgetws
__stdio_common_vsprintf
__stdio_common_vswprintf
feof
__p__commode
fclose

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

_configthreadlocale

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

_callnewh
_set_new_mode
_calloc_base
malloc
free
_free_base

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

wcstol

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

ceilf

Sections

.text
Size: 72KB - Virtual size: 69KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 24KB - Virtual size: 22KB

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: 356B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

687123f1c206e22e386166a0d2a899f7

Code Sign

33:00:00:03:f0:b3:c9:1e:ce:a8:0a:5b:3a:00:00:00:00:03:f0Certificate

Extended Key Usages

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

Key Usages

01:7f:ca:c9:9d:41:f2:21:46:f7:a3:e1:5a:b5:bb:63:48:44:1e:18:71:22:9a:7f:a5:a2:0d:ea:80:6e:31:7eSigner

Signature Validations

Verification

02/02/2023, 17:55 Valid: false

Headers

DLL Characteristics

File Characteristics

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: 69KB

.rdata Size: 24KB - Virtual size: 22KB

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

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

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

.reloc Size: 4KB - Virtual size: 356B

33:00:00:03:f0:b3:c9:1e:ce:a8:0a:5b:3a:00:00:00:00:03:f0
Certificate

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

01:7f:ca:c9:9d:41:f2:21:46:f7:a3:e1:5a:b5:bb:63:48:44:1e:18:71:22:9a:7f:a5:a2:0d:ea:80:6e:31:7e
Signer

02/02/2023, 17:55
Valid: false

.text
Size: 72KB - Virtual size: 69KB

.rdata
Size: 24KB - Virtual size: 22KB

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

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

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

.reloc
Size: 4KB - Virtual size: 356B