KerbClientShared[.]dll

Sharing

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General

Target

KerbClientShared.dll
Size

127KB
MD5

20c1b6f7f5586dde171a8b5e4e7a58cf
SHA1

4f7715336d5e3b725951931fc96d5a71a6d6393d
SHA256

58e67dde8940f24e9084cea1f5d7358bbf2bc1f8df74d3773b2aa5c5a82424f4
SHA512

3456ae72b092e4f56ea872f80460937287c2579fc1075610469107b9fad92a7ffb97bf78a688bc51aee7c5d1dc842746755f9359367ba761f60af565067f4347
SSDEEP

3072:8eBkP5CNJN5iHjN3LyhR7GP4V6DIsZnVnpj6EXKF4On+/Cml:/yP4yHI5sZZkuKo

Score

1^/10

Malware Config

Signatures

Files

KerbClientShared.dll
.dll windows:10 windows x86 arch:x86

0b8aa55cb8c398c0c406a6d0ab5a6790

Code Sign

33:00:00:03:81:a4:c7:63:e7:ad:c5:b4:ee:00:00:00:00:03:81
Certificate

Issuer

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

Not Before

10/03/2022, 19:24

Not After

08/03/2023, 19:24

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

89:d6:f1:b2:e7:28:f1:66:9e:97:a8:5f:a1:26:4e:3f:8c:d9:2c:bf:8b:f3:f2:19:d7:33:5c:82:70:69:fa:7f
Signer

Actual PE Digest

89:d6:f1:b2:e7:28:f1:66:9e:97:a8:5f:a1:26:4e:3f:8c:d9:2c:bf:8b:f3:f2:19:d7:33:5c:82:70:69:fa:7f

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

KerbClientShared.pdb

Imports

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

_initterm_e
_initterm

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

_o__cexit
_o__configure_narrow_argv
_o__crt_atexit
_o__execute_onexit_table
_o__initialize_narrow_environment
_o__initialize_onexit_table
_o__register_onexit_function
_o__seh_filter_dll
memcpy
_o__wcsnicmp
_except_handler4_common
_o___std_type_info_destroy_list
memcmp

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

memset

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

SetUnhandledExceptionFilter
UnhandledExceptionFilter

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

QueryPerformanceCounter

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

GetSystemTimeAsFileTime
GetSystemInfo

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

SetThreadStackGuarantee
GetCurrentProcessId
GetCurrentThreadId
TerminateProcess
GetCurrentProcess

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

IsProcessorFeaturePresent

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

DisableThreadLibraryCalls

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

InitializeSListHead

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

IsDebuggerPresent

api-ms-win-eventing-classicprovider-l1-1-0

UnregisterTraceGuids
GetTraceEnableLevel
GetTraceEnableFlags
GetTraceLoggerHandle
TraceMessage

api-ms-win-eventing-provider-l1-1-0

EventSetInformation
EventUnregister
EventRegister

api-ms-win-eventing-obsolete-l1-1-0

RegisterTraceGuidsA

msasn1

ASN1EncSetError
ASN1_Encode
ASN1ztcharstring_free
ASN1bitstring_free
ASN1BERDecCharString
ASN1_CreateModule
ASN1BERDecU32Val
ASN1DEREncBitString
ASN1BERDecZeroCharString
ASN1BEREncObjectIdentifier
ASN1BERDecObjectIdentifier
ASN1BERDecBitString
ASN1charstring_free
ASN1DEREncOctetString
ASN1BERDecS32Val
ASN1BEREncOpenType
ASN1BEREncSX
ASN1DecAlloc
ASN1Free
ASN1BERDecSkip
ASN1BEREncBool
ASN1BEREncEndOfContents
ASN1DEREncCharString
ASN1BEREncS32
ASN1_CloseEncoder
ASN1objectidentifier_free
ASN1BERDecBool
ASN1BERDecEndOfContents
ASN1BEREncExplicitTag
ASN1BERDecNotEndOfContents
ASN1BERDecOctetString
ASN1BEREncU32
ASN1BERDecPeekTag
ASN1BERDecGeneralizedTime
ASN1DEREncGeneralizedTime
ASN1BERDecExplicitTag
ASN1DecSetError
ASN1octetstring_free
ASN1BERDecSXVal
ASN1BERDecOpenType2
ASN1_CloseDecoder
ASN1intx_free
ASN1_CreateDecoder
ASN1_Decode
ASN1_CreateEncoder
ASN1_FreeEncoded
ASN1_FreeDecoded

ntdll

RtlTimeFieldsToTime
RtlDowncaseUnicodeString
RtlDowncaseUnicodeChar
RtlInitUnicodeString
RtlCompareMemory
RtlFreeHeap
RtlImageNtHeader
RtlAllocateHeap
RtlTimeToTimeFields

bcrypt

BCryptDestroyKey
BCryptFinalizeKeyPair
BCryptGenerateKeyPair
BCryptOpenAlgorithmProvider
BCryptExportKey
BCryptCloseAlgorithmProvider
BCryptImportKeyPair
BCryptSetProperty
BCryptSecretAgreement

ws2_32

ntohl

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

MultiByteToWideChar

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

VirtualAlloc
VirtualQuery
VirtualProtect

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

ResolveDelayLoadedAPI

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

DelayLoadFailureHook

Exports

Exports

KerbClientAlloc
KerbClientAllocateStoredCred
KerbClientBuildAsReqAuthenticator
KerbClientBuildEncryptedAuthData
KerbClientBuildExplicitArmorKey
KerbClientBuildFastArmoredKdcRequest
KerbClientBuildFastChallenge
KerbClientBuildKeyList
KerbClientBuildStrengthenedReplyKey
KerbClientBuildTicketArmorKey
KerbClientComputeTgsChecksum
KerbClientDecryptApReply
KerbClientDecryptPacCredentials
KerbClientDeriveFastChallengeKey
KerbClientDuplicateStoredCred
KerbClientFree
KerbClientFreeStoredCred
KerbClientFreeSupplementalCredentials
KerbClientPackApReply
KerbClientPackAsn1Buffer
KerbClientParseKeyListReplyPaData
KerbClientSharedCleanup
KerbClientSharedInit
KerbClientTransformStoredCred
KerbClientUnpackAsn1BufferVoid
KerbClientUnpackKdcReplyBody
KerbClientUpdateSharedConfiguration
KerbClientVerifyChecksum
KerbClientVerifyEncryptedChallengePaData
KerbClientVerifyFastArmoredKdcReply
KerbClientVerifyFastArmoredKerbError
KerbClientVerifyFastArmoredTgsReply
KerbDHCreateBCryptKey
KerbDHGetLegacyDHParameters
KerbDHGetLittleEndianPublicKey
KerbDHGetSharedSecretFromCapiKeyBuffer
KerbKdcReplyContainsTgt
KerbPackKdcReplyWithEncryptedSessionKey

Sections

.text
Size: 101KB - Virtual size: 100KB

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: 5KB - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.didat
Size: 512B - Virtual size: 36B

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: 7KB - Virtual size: 6KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

0b8aa55cb8c398c0c406a6d0ab5a6790

Code Sign

33:00:00:03:81:a4:c7:63:e7:ad:c5:b4:ee:00:00:00:00:03:81Certificate

Extended Key Usages

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

Key Usages

89:d6:f1:b2:e7:28:f1:66:9e:97:a8:5f:a1:26:4e:3f:8c:d9:2c:bf:8b:f3:f2:19:d7:33:5c:82:70:69:fa:7fSigner

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

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

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

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

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

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

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

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

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

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

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

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

api-ms-win-eventing-classicprovider-l1-1-0

api-ms-win-eventing-provider-l1-1-0

api-ms-win-eventing-obsolete-l1-1-0

msasn1

ntdll

bcrypt

ws2_32

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

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

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

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

Exports

Exports

Sections

.text Size: 101KB - Virtual size: 100KB

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

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

.didat Size: 512B - Virtual size: 36B

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

.reloc Size: 7KB - Virtual size: 6KB

33:00:00:03:81:a4:c7:63:e7:ad:c5:b4:ee:00:00:00:00:03:81
Certificate

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

89:d6:f1:b2:e7:28:f1:66:9e:97:a8:5f:a1:26:4e:3f:8c:d9:2c:bf:8b:f3:f2:19:d7:33:5c:82:70:69:fa:7f
Signer

.text
Size: 101KB - Virtual size: 100KB

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

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

.didat
Size: 512B - Virtual size: 36B

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

.reloc
Size: 7KB - Virtual size: 6KB