w2k_lsa_auth[.]dll

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General

Target

w2k_lsa_auth.dll
Size

28KB
MD5

e86efe5d17beda5a9196f018b673544a
SHA1

b9c89b72cedd925c12dad1f3738dc36b365aa98d
SHA256

997786319b2fd243b15c937b69ac03bfd990d8bb6775379fb77a6a1e4f7818ce
SHA512

892c5354dda7763ed56882a4226cde60f5ee8df637f97ed71bc3b865ead2f60521949c6bed3b6a0689f8cffd459cd24b9a1875224b1ca3070145a8d7641b36af
SSDEEP

768:abHCk7AI6I3g9NoZTU35QUOHkbGGGGNET7T7T7T7lWa/DaXhDGheER:nsAI6I3g9NoZTU35QUOHkbGGGGNET7Tr

Score

1^/10

Malware Config

Signatures

Files

w2k_lsa_auth.dll
.dll windows x64

5c1d1a09b401e3ada4327da0eeb022b6

Code Sign

04:09:18:1b:5f:d5:bb:66:75:53:43:b5:6f:95:50:08
Certificate

Issuer

CN=DigiCert Assured ID Root CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

22-10-2013 12:00

Not After

22-10-2028 12:00

Subject

CN=DigiCert SHA2 Assured ID Code Signing CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

0b:57:4a:41:07:aa:92:e5:9f:28:78:61:b0:2a:6e:c5
Certificate

Issuer

CN=DigiCert SHA2 Assured ID Code Signing CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

20-03-2020 00:00

Not After

18-06-2023 12:00

Subject

CN=Azul Systems\, Inc.,O=Azul Systems\, Inc.,L=Sunnyvale,ST=California,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

0a:7a:4a:88:9e:c9:99:42:90:06:63:38:4d:86:97:9d
Certificate

Issuer

CN=DigiCert Trusted G4 RSA4096 SHA256 TimeStamping CA,O=DigiCert\, Inc.,C=US

Not Before

29-03-2022 00:00

Not After

14-03-2033 23:59

Subject

CN=DigiCert Timestamp 2022 - 2,O=DigiCert\, Inc.,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature

07:36:37:b7:24:54:7c:d8:47:ac:fd:28:66:2a:5e:5b
Certificate

Issuer

CN=DigiCert Trusted Root G4,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

23-03-2022 00:00

Not After

22-03-2037 23:59

Subject

CN=DigiCert Trusted G4 RSA4096 SHA256 TimeStamping CA,O=DigiCert\, Inc.,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

38:26:8a:34:61:7a:fd:b7:de:51:8d:31:26:75:b3:17:bb:8d:8b:c5:da:2e:75:72:fd:2f:2a:13:b8:52:dd:a6
Signer

Actual PE Digest

38:26:8a:34:61:7a:fd:b7:de:51:8d:31:26:75:b3:17:bb:8d:8b:c5:da:2e:75:72:fd:2f:2a:13:b8:52:dd:a6

Digest Algorithm

sha256

PE Digest Matches

true

Signature Validations

Trusted

true

Verification

Signing Certificate

CN=Azul Systems\, Inc.,O=Azul Systems\, Inc.,L=Sunnyvale,ST=California,C=US

21-04-2022 12:57
Valid: true

Chain 1

CN=Azul Systems\, Inc.,O=Azul Systems\, Inc.,L=Sunnyvale,ST=California,C=US

CN=DigiCert SHA2 Assured ID Code Signing CA,OU=www.digicert.com,O=DigiCert Inc,C=US

CN=DigiCert Assured ID Root CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE

Imports

advapi32

LsaNtStatusToWinError

secur32

LsaLookupAuthenticationPackage
LsaFreeReturnBuffer
LsaCallAuthenticationPackage
LsaConnectUntrusted

kernel32

IsDebuggerPresent
InitializeSListHead
DisableThreadLibraryCalls
GetCurrentThreadId
CompareFileTime
GetLastError
GetSystemTimeAsFileTime
LocalAlloc
LocalFree
FormatMessageW
FileTimeToSystemTime
GetWindowsDirectoryW
GetSystemWindowsDirectoryW
GetCurrentProcessId
QueryPerformanceCounter
IsProcessorFeaturePresent
TerminateProcess
GetCurrentProcess
SetUnhandledExceptionFilter
UnhandledExceptionFilter
RtlVirtualUnwind
RtlLookupFunctionEntry
RtlCaptureContext

wsock32

htonl

vcruntime140

__C_specific_handler
__std_type_info_destroy_list
memset
memcpy

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

strlen
wcsncpy
wcslen

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

__stdio_common_vfprintf
__acrt_iob_func
__stdio_common_vswprintf

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

_cexit
_execute_onexit_table
_initialize_onexit_table
_initialize_narrow_environment
_configure_narrow_argv
_seh_filter_dll
_initterm_e
_initterm

Exports

Exports

JNI_OnLoad
JNI_OnUnload
Java_sun_security_krb5_Config_getWindowsDirectory
Java_sun_security_krb5_Credentials_acquireDefaultNativeCreds

Sections

.text
Size: 9KB - Virtual size: 8KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 7KB - Virtual size: 7KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 512B - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 1024B - Virtual size: 624B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 1024B - Virtual size: 924B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 512B - Virtual size: 24B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

5c1d1a09b401e3ada4327da0eeb022b6

Code Sign

04:09:18:1b:5f:d5:bb:66:75:53:43:b5:6f:95:50:08Certificate

Extended Key Usages

Key Usages

0b:57:4a:41:07:aa:92:e5:9f:28:78:61:b0:2a:6e:c5Certificate

Extended Key Usages

Key Usages

0a:7a:4a:88:9e:c9:99:42:90:06:63:38:4d:86:97:9dCertificate

Extended Key Usages

Key Usages

07:36:37:b7:24:54:7c:d8:47:ac:fd:28:66:2a:5e:5bCertificate

Extended Key Usages

Key Usages

38:26:8a:34:61:7a:fd:b7:de:51:8d:31:26:75:b3:17:bb:8d:8b:c5:da:2e:75:72:fd:2f:2a:13:b8:52:dd:a6Signer

Signature Validations

Verification

21-04-2022 12:57 Valid: true

Chain 1

Headers

DLL Characteristics

File Characteristics

Imports

advapi32

secur32

kernel32

wsock32

vcruntime140

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

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

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

Exports

Exports

Sections

.text Size: 9KB - Virtual size: 8KB

.rdata Size: 7KB - Virtual size: 7KB

.data Size: 512B - Virtual size: 2KB

.pdata Size: 1024B - Virtual size: 624B

.rsrc Size: 1024B - Virtual size: 924B

.reloc Size: 512B - Virtual size: 24B

04:09:18:1b:5f:d5:bb:66:75:53:43:b5:6f:95:50:08
Certificate

0b:57:4a:41:07:aa:92:e5:9f:28:78:61:b0:2a:6e:c5
Certificate

0a:7a:4a:88:9e:c9:99:42:90:06:63:38:4d:86:97:9d
Certificate

07:36:37:b7:24:54:7c:d8:47:ac:fd:28:66:2a:5e:5b
Certificate

38:26:8a:34:61:7a:fd:b7:de:51:8d:31:26:75:b3:17:bb:8d:8b:c5:da:2e:75:72:fd:2f:2a:13:b8:52:dd:a6
Signer

21-04-2022 12:57
Valid: true

.text
Size: 9KB - Virtual size: 8KB

.rdata
Size: 7KB - Virtual size: 7KB

.data
Size: 512B - Virtual size: 2KB

.pdata
Size: 1024B - Virtual size: 624B

.rsrc
Size: 1024B - Virtual size: 924B

.reloc
Size: 512B - Virtual size: 24B