MsMpEng[.]exe | Triage

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General

Target

MsMpEng.exe
Size

130KB
MD5

e122babda743d897a26adf2aeb09bdb1
SHA1

b392d5db45f0af5aeefd2f66e30c084505852254
SHA256

807d27d07068dc6f76c75debb7f49971eece28e9bbca3a30942c0762a85fecb8
SHA512

04c43f56490f9bd5b38bf8d1fe06b6a146cd816ab6b2defa5376780a40e6f13f17b39db42966803d47dc2c292aba53397e51f9e00805afcdaee5573ab126bf10
SSDEEP

3072:XP1TTYvt9G3EU1oX53J2Es/GKTeD3fpENRnRm5sF:XBYvtNU1e53J2CpENRRmG

Score

1^/10

Malware Config

Signatures

Files

MsMpEng.exe
.exe windows x64

e2e328ab5fe673ea2e115a8d3570c7fe

Code Sign

33:00:00:03:ef:5e:9b:c0:d6:1b:1a:67:fc:00:00:00:00:03:ef
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

4e:03:8b:2e:15:f1:1e:fc:32:aa:e1:bb:7f:6b:c7:7d:38:99:08:08:15:71:97:ea:3b:42:b1:38:0f:3b:33:f9
Signer

Actual PE Digest

4e:03:8b:2e:15:f1:1e:fc:32:aa:e1:bb:7f:6b:c7:7d:38:99:08:08:15:71:97:ea:3b:42:b1:38:0f:3b:33:f9

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

13/04/2023, 18:10
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

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

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

_wcsicmp
isdigit
towlower
iswspace
strcpy_s

crypt32

CertVerifyCertificateChainPolicy

wintrust

CryptCATAdminReleaseCatalogContext
CryptCATAdminReleaseContext
CryptCATAdminEnumCatalogFromHash
CryptCATAdminAcquireContext
CryptCATCatalogInfoFromContext
WTHelperGetProvSignerFromChain
WinVerifyTrust
WTHelperProvDataFromStateData
CryptCATAdminCalcHashFromFileHandle

ntdll

RtlUnwindEx
RtlPcToFileHeader
RtlNtStatusToDosError
RtlLookupFunctionEntry
RtlCaptureContext
RtlVirtualUnwind
RtlGetVersion

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

__p__commode
_set_fmode
feof
fgetws
__stdio_common_vsprintf
__stdio_common_vswprintf
fclose
_wfopen

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

_configthreadlocale

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

_callnewh
_set_new_mode
free
_free_base
_calloc_base
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: 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

e2e328ab5fe673ea2e115a8d3570c7fe

Code Sign

33:00:00:03:ef:5e:9b:c0:d6:1b:1a:67:fc:00:00:00:00:03:efCertificate

Extended Key Usages

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

Key Usages

4e:03:8b:2e:15:f1:1e:fc:32:aa:e1:bb:7f:6b:c7:7d:38:99:08:08:15:71:97:ea:3b:42:b1:38:0f:3b:33:f9Signer

Signature Validations

Verification

13/04/2023, 18:10 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:ef:5e:9b:c0:d6:1b:1a:67:fc:00:00:00:00:03:ef
Certificate

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

4e:03:8b:2e:15:f1:1e:fc:32:aa:e1:bb:7f:6b:c7:7d:38:99:08:08:15:71:97:ea:3b:42:b1:38:0f:3b:33:f9
Signer

13/04/2023, 18:10
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