lsass[.]exe | Triage

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General

Target

lsass.exe
Size

82KB
MD5

b26bc68116d08a7bab9c10a22404f250
SHA1

d398b9d68f555c9c6c041c8bea8849d1a6b1aac4
SHA256

63a75a4eb57158fa4d796a2414790fcd3694d8ab9eae3e8942e9cbcd0f71691a
SHA512

6e0a6665e18ad5e667d29845d52cc75e7c6407b03c6d61d73465b95bdc9d96e14206bd8aee8aa78c9ff44b644f22e3601dbee09b6678dcf4eaefc1ae227c8198
SSDEEP

1536:kZkEMHWPgEAmkNeHdAejzsfUtiugXNMPoz3:ku9HWPFAmxjTirNMwz

Score

1^/10

Malware Config

Signatures

Files

lsass.exe
.exe windows:10 windows x64 arch:x64

3bdaf07fd26e433f565a3c3ab5543b25

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

44:5d:0b:f4:2a:44:12:23:09:69:2f:c6:50:6c:6f:fc:9a:f9:37:f4:00:7f:fa:01:56:dd:20:aa:a8:7f:84:1f
Signer

Actual PE Digest

44:5d:0b:f4:2a:44:12:23:09:69:2f:c6:50:6c:6f:fc:9a:f9:37:f4:00:7f:fa:01:56:dd:20:aa:a8:7f:84:1f

Digest Algorithm

sha256

PE Digest Matches

true

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
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

lsass.pdb

Imports

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

wcsncmp
wcschr
_wcsicmp
wcstol
_vsnprintf_s
strcpy_s
memcpy
memset

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

_initterm_e
exit
_initterm

ntdll

RtlLeaveCriticalSection
NtSetInformationThread
NtFreeVirtualMemory
NtConnectPort
NtAllocateVirtualMemory
RtlReleaseResource
NtRequestWaitReplyPort
NtClose
NtAcceptConnectPort
NtReplyWaitReceivePort
RtlCaptureContext
NtListenPort
RtlLookupFunctionEntry
RtlVirtualUnwind
NtCompleteConnectPort
NtCreatePort
RtlSetDaclSecurityDescriptor
RtlSetOwnerSecurityDescriptor
RtlFreeHeap
RtlSetSaclSecurityDescriptor
NtDeviceIoControlFile
RtlSetProcessIsCritical
RtlFreeSid
RtlDeriveCapabilitySidsFromName
RtlLengthRequiredSid
RtlAddMandatoryAce
NtSetSecurityObject
NtOpenEvent
RtlSubAuthoritySid
RtlAllocateHeap
RtlUnhandledExceptionFilter
RtlCreateAndSetSD
RtlInitializeSid
RtlEnterCriticalSection
RtlNtStatusToDosError
RtlAcquireResourceExclusive
NtSetInformationProcess
RtlCreateAcl
RtlCreateSecurityDescriptor
NtOpenFile
RtlInitializeResource
RtlAcquireResourceShared
DbgPrintEx
RtlAddAccessAllowedAce
RtlLengthSid
RtlAllocateAndInitializeSid
NtSetInformationFile
RtlInitUnicodeString
RtlMakeSelfRelativeSD

rpcrt4

RpcServerUseProtseqEpW
RpcServerRegisterIf3
RpcServerListen
NdrServerCallAll
NdrServerCall2
I_RpcMapWin32Status

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

SetUnhandledExceptionFilter
GetLastError
SetErrorMode
SetLastError
UnhandledExceptionFilter

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

DuplicateHandle
CloseHandle

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

DeviceIoControl

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

GetProcAddress
LoadLibraryExW

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

RegEnumKeyExW
RegCloseKey
RegQueryValueExW
RegOpenKeyExW

api-ms-win-core-heap-obsolete-l1-1-0

LocalFree
LocalAlloc

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

GetTokenInformation

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

ExitProcess
ExitThread
OpenProcessToken
TlsSetValue
TlsAlloc
GetCurrentProcess
GetCurrentProcessId
GetCurrentThreadId
TerminateProcess
CreateThread
TlsGetValue

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

SetEnvironmentVariableW
GetEnvironmentVariableW

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

CreateEventW
SetEvent
OpenEventW

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

SetThreadpoolThreadMaximum
CreateThreadpoolIo
CreateThreadpool
StartThreadpoolIo
TrySubmitThreadpoolCallback
CancelThreadpoolIo

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

Sleep

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

GetSystemInfo
GetTickCount
GetSystemTimeAsFileTime

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

QueryPerformanceCounter

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

WerSetFlags

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

DelayLoadFailureHook

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

ResolveDelayLoadedAPI

Exports

Exports

LsaGetInterface
LsaImpersonateKsecCaller
LsaRegisterExtension
LsaRegisterInterface

Sections

.text
Size: 24KB - Virtual size: 21KB

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: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 4KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.didat
Size: 4KB - Virtual size: 48B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 4KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 4KB - Virtual size: 524B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

3bdaf07fd26e433f565a3c3ab5543b25

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

44:5d:0b:f4:2a:44:12:23:09:69:2f:c6:50:6c:6f:fc:9a:f9:37:f4:00:7f:fa:01:56:dd:20:aa:a8:7f:84:1fSigner

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

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

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

ntdll

rpcrt4

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

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

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

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

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

api-ms-win-core-heap-obsolete-l1-1-0

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

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

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

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

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

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

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

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

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

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

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

Exports

Exports

Sections

.text Size: 24KB - Virtual size: 21KB

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

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

.pdata Size: 4KB - Virtual size: 1KB

.didat Size: 4KB - Virtual size: 48B

.rsrc Size: 4KB - Virtual size: 1KB

.reloc Size: 4KB - Virtual size: 524B

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

44:5d:0b:f4:2a:44:12:23:09:69:2f:c6:50:6c:6f:fc:9a:f9:37:f4:00:7f:fa:01:56:dd:20:aa:a8:7f:84:1f
Signer

.text
Size: 24KB - Virtual size: 21KB

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

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

.pdata
Size: 4KB - Virtual size: 1KB

.didat
Size: 4KB - Virtual size: 48B

.rsrc
Size: 4KB - Virtual size: 1KB

.reloc
Size: 4KB - Virtual size: 524B