NtlmShared[.]dll

Sharing

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General

Target

NtlmShared.dll
Size

53KB
MD5

c930610d62a8543073f9a97d3eb0bf4a
SHA1

a0cb0e5694918877048c5a5d840074296b10da88
SHA256

ef71cd59946127b08fba0fe15cb941c02bb855af3352b762382dc9a4e0e5193e
SHA512

155c7dc9235d211357828d808df1bb1a86144ab86ae95e3139230f022064b4776f656c95c7a0bbb5726e94ad45b079d6a8f808f79d4e8ea806d0ce463697d33d
SSDEEP

1536:Jx5XR9ymJZ343JAk0gDpv81NQCen47b2Mfg/WOMuxSrKWGlygPyDpzv:3wUenTCgOO7xSOWEQpb

Score

1^/10

Malware Config

Signatures

Files

NtlmShared.dll
.dll windows:10 windows x86 arch:x86

aa88ce810083e9c380ae5ec38b607e7c

Code Sign

33:00:00:04:5b:f6:31:bc:00:f4:fc:37:45:00:00:00:00:04:5b
Certificate

Issuer

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

Not Before

14/09/2023, 18:20

Not After

04/09/2024, 18:20

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

93:5c:34:04:3f:8d:42:d0:8c:4e:f9:67:a2:42:70:6a:6b:c5:1a:21:de:0a:ff:95:cc:f6:9d:69:c7:33:56:16
Signer

Actual PE Digest

93:5c:34:04:3f:8d:42:d0:8c:4e:f9:67:a2:42:70:6a:6b:c5:1a:21:de:0a:ff:95:cc:f6:9d:69:c7:33:56:16

Digest Algorithm

sha256

PE Digest Matches

true

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_GUARD_CF

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DLL

PDB Paths

NtlmShared.pdb

Imports

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

memcpy_s
_vsnwprintf_s
memmove_s
memcpy
memcmp
_except_handler4_common
memset

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

__dllonexit3
_onexit
_purecall
_initterm_e
_initterm

ntdll

EtwGetTraceEnableFlags
RtlInitUnicodeString
EtwEventSetInformation
EtwEventUnregister
EtwEventRegister
RtlEqualUnicodeString
RtlUpperChar
RtlCompareMemory
EtwUnregisterTraceGuids
EtwGetTraceLoggerHandle
RtlNtStatusToDosError
EtwGetTraceEnableLevel
EtwRegisterTraceGuidsW
RtlDowncaseUnicodeString
RtlFreeUnicodeString
RtlUpcaseUnicodeString
RtlConvertSidToUnicodeString
NtQuerySystemTime
EtwTraceMessage

bcrypt

BCryptDecrypt
BCryptDeriveKeyPBKDF2
BCryptOpenAlgorithmProvider
BCryptGetProperty
BCryptFinishHash
BCryptCloseAlgorithmProvider
BCryptDestroyKey
BCryptGenerateSymmetricKey
BCryptCreateHash
BCryptHashData
BCryptHash
BCryptDestroyHash

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

DisableThreadLibraryCalls
GetModuleHandleW
GetModuleFileNameA
GetModuleFileNameW
GetProcAddress
GetModuleHandleExW

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

WaitForSingleObject
InitializeCriticalSection
WaitForSingleObjectEx
OpenSemaphoreW
InitializeCriticalSectionEx
ReleaseMutex
ReleaseSRWLockExclusive
ReleaseSRWLockShared
LeaveCriticalSection
CreateSemaphoreExW
AcquireSRWLockExclusive
CreateMutexExW
AcquireSRWLockShared
DeleteCriticalSection
ReleaseSemaphore
EnterCriticalSection

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

GetProcessHeap
HeapAlloc
HeapFree

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

SetLastError
SetUnhandledExceptionFilter
GetLastError
UnhandledExceptionFilter

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

WaitForThreadpoolTimerCallbacks
CloseThreadpoolTimer
CreateThreadpoolTimer
SetThreadpoolTimer

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

GetCurrentProcess
GetCurrentThreadId
TerminateProcess
GetCurrentProcessId

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

FormatMessageW

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

IsDebuggerPresent
OutputDebugStringW
DebugBreak

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

CloseHandle

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

QueryPerformanceCounter

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

GetTickCount
GetSystemTimeAsFileTime

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

DecodePointer
EncodePointer

cryptdll

PBKDF2

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

LocalAlloc
LocalFree

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

ResolveDelayLoadedAPI

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

DelayLoadFailureHook

Exports

Exports

MsvpCachePasswordsToCredential
MsvpCalculateNtlm2Challenge
MsvpCalculateNtlm2SessionKeys
MsvpCalculateNtlm3Owf
MsvpCompareCredentials
MsvpComputeSaltedHashedPassword
MsvpCredentialToCachePasswords
MsvpDecryptDpapiMasterKey
MsvpDeriveSecureCredKey
MsvpGMSACred
MsvpLm20GetNtlm3ChallengeResponse
MsvpLm3Response
MsvpLm3ValidateResponse
MsvpMakeSecretPasswordNT5
MsvpNtlm3Response
MsvpNtlm3ValidateResponse
MsvpPasswordValidate
MsvpPutClearOwfsInPrimaryCredential
MsvpUpdateSharedConfiguration
MsvpValidateSupplementalCreds
MsvpValidateSupplementalCredsBuffer
NtLmAlterRtlEqualUnicodeString
NtlmSharedAllocate
NtlmSharedAllocatePrivateHeap
NtlmSharedCleanup
NtlmSharedFree
NtlmSharedFreePrivateHeap
NtlmSharedInit

Sections

.text
Size: 34KB - Virtual size: 33KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 512B - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.didat
Size: 512B - Virtual size: 32B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 2KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

aa88ce810083e9c380ae5ec38b607e7c

Code Sign

33:00:00:04:5b:f6:31:bc:00:f4:fc:37:45:00:00:00:00:04:5bCertificate

Extended Key Usages

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

Key Usages

93:5c:34:04:3f:8d:42:d0:8c:4e:f9:67:a2:42:70:6a:6b:c5:1a:21:de:0a:ff:95:cc:f6:9d:69:c7:33:56:16Signer

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

bcrypt

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

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

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

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

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

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

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

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

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

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

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

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

cryptdll

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

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

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

Exports

Exports

Sections

.text Size: 34KB - Virtual size: 33KB

.data Size: 512B - Virtual size: 1KB

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

.didat Size: 512B - Virtual size: 32B

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

.reloc Size: 2KB - Virtual size: 1KB

33:00:00:04:5b:f6:31:bc:00:f4:fc:37:45:00:00:00:00:04:5b
Certificate

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

93:5c:34:04:3f:8d:42:d0:8c:4e:f9:67:a2:42:70:6a:6b:c5:1a:21:de:0a:ff:95:cc:f6:9d:69:c7:33:56:16
Signer

.text
Size: 34KB - Virtual size: 33KB

.data
Size: 512B - Virtual size: 1KB

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

.didat
Size: 512B - Virtual size: 32B

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

.reloc
Size: 2KB - Virtual size: 1KB