sunmscapi[.]dll

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General

Target

sunmscapi.dll
Size

42KB
MD5

1a9e801d22d2703eb2c2b6b9740e2146
SHA1

4b590770a3464e9082b9b3789678f04ce0f6f2ee
SHA256

090edfe359c78f0af2b7ea92f1b405159819658bfedb23f1ab2e50adf7236def
SHA512

26233278fa9de4747e9a7c2ab6e1531217c113144524a49fd149e93b5460ef04214fb063739ce3e424c8dd67bde67dc36bc0e5eb6bcd697c2a1e9808661afe6e
SSDEEP

768:X18bwhLBIQ+altWoD5HSHDIXP+6wtrYks0mtKSdj/aZxMDG/AMeEyJl:X18bwh/tWo5SHDHdYks0mtKSdj/63AMM

Score

1^/10

Malware Config

Signatures

Files

sunmscapi.dll
.dll windows x64

347fe60117ee109ab6b481d9d8166498

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

16:02:67:bc:e9:e4:71:d4:42:3c:12:35:c8:c8:84:5a:3e:78:36:f8:60:6f:fc:ca:89:f8:33:29:40:ec:ed:ec
Signer

Actual PE Digest

16:02:67:bc:e9:e4:71:d4:42:3c:12:35:c8:c8:84:5a:3e:78:36:f8:60:6f:fc:ca:89:f8:33:29:40:ec:ed:ec

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

crypt32

CertDeleteCertificateFromStore
CertFreeCertificateChain
CertGetCertificateChain
CertOpenSystemStoreA
CertGetNameStringA
CryptAcquireCertificatePrivateKey
CertGetPublicKeyLength
CertCloseStore
CertAddCertificateContextToStore
CertSetCertificateContextProperty
CertFreeCertificateContext
CertCreateCertificateContext
CertFindCertificateInStore
CertEnumCertificatesInStore

advapi32

CryptGenKey
CryptVerifySignatureA
CryptSignHashA
CryptDestroyHash
CryptCreateHash
CryptDecrypt
CryptEncrypt
CryptImportKey
CryptExportKey
CryptGetUserKey
CryptGenRandom
CryptGetProvParam
CryptSetHashParam
CryptGetKeyParam
CryptSetKeyParam
CryptAcquireContextA
CryptReleaseContext
CryptDestroyKey

ncrypt

NCryptSignHash
NCryptVerifySignature
NCryptOpenStorageProvider
NCryptImportKey
NCryptFreeObject
NCryptTranslateHandle
NCryptGetProperty
NCryptExportKey

kernel32

IsDebuggerPresent
InitializeSListHead
DisableThreadLibraryCalls
GetSystemTimeAsFileTime
GetCurrentThreadId
GetCurrentProcessId
QueryPerformanceCounter
GetLastError
FormatMessageA
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
IsProcessorFeaturePresent

vcruntime140

__std_exception_destroy
__std_exception_copy
__std_type_info_destroy_list
__CxxFrameHandler3
__C_specific_handler
memset
memcpy
_CxxThrowException

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

__acrt_iob_func
fflush
__stdio_common_vfprintf
__stdio_common_vsprintf

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

mbstowcs

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

getenv

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

strcpy
strcmp

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

_initialize_onexit_table
_cexit
_execute_onexit_table
_initialize_narrow_environment
_configure_narrow_argv
_initterm
_initterm_e
_seh_filter_dll

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

_callnewh
malloc
free

Exports

Exports

Java_sun_security_mscapi_CKeyPairGenerator_00024RSA_generateCKeyPair
Java_sun_security_mscapi_CKeyStore_destroyKeyContainer
Java_sun_security_mscapi_CKeyStore_generateRSAPrivateKeyBlob
Java_sun_security_mscapi_CKeyStore_loadKeysOrCertificateChains
Java_sun_security_mscapi_CKeyStore_removeCertificate
Java_sun_security_mscapi_CKeyStore_storeCertificate
Java_sun_security_mscapi_CKeyStore_storePrivateKey
Java_sun_security_mscapi_CKey_cleanUp
Java_sun_security_mscapi_CKey_getContainerName
Java_sun_security_mscapi_CKey_getKeyType
Java_sun_security_mscapi_CPublicKey_00024CRSAPublicKey_getExponent
Java_sun_security_mscapi_CPublicKey_00024CRSAPublicKey_getModulus
Java_sun_security_mscapi_CPublicKey_getPublicKeyBlob
Java_sun_security_mscapi_CRSACipher_encryptDecrypt
Java_sun_security_mscapi_CSignature_00024RSA_generatePublicKeyBlob
Java_sun_security_mscapi_CSignature_importECPublicKey
Java_sun_security_mscapi_CSignature_importPublicKey
Java_sun_security_mscapi_CSignature_signCngHash
Java_sun_security_mscapi_CSignature_signHash
Java_sun_security_mscapi_CSignature_verifyCngSignedHash
Java_sun_security_mscapi_CSignature_verifySignedHash
Java_sun_security_mscapi_PRNG_generateSeed

Sections

.text
Size: 20KB - Virtual size: 19KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 10KB - Virtual size: 10KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 1024B - Virtual size: 912B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 512B - Virtual size: 64B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

347fe60117ee109ab6b481d9d8166498

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

16:02:67:bc:e9:e4:71:d4:42:3c:12:35:c8:c8:84:5a:3e:78:36:f8:60:6f:fc:ca:89:f8:33:29:40:ec:ed:ecSigner

Signature Validations

Verification

21/04/2022, 12:57 Valid: true

Chain 1

Headers

DLL Characteristics

File Characteristics

Imports

crypt32

advapi32

ncrypt

kernel32

vcruntime140

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

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

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

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

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

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

Exports

Exports

Sections

.text Size: 20KB - Virtual size: 19KB

.rdata Size: 10KB - Virtual size: 10KB

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

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

.rsrc Size: 1024B - Virtual size: 912B

.reloc Size: 512B - Virtual size: 64B

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

16:02:67:bc:e9:e4:71:d4:42:3c:12:35:c8:c8:84:5a:3e:78:36:f8:60:6f:fc:ca:89:f8:33:29:40:ec:ed:ec
Signer

21/04/2022, 12:57
Valid: true

.text
Size: 20KB - Virtual size: 19KB

.rdata
Size: 10KB - Virtual size: 10KB

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

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

.rsrc
Size: 1024B - Virtual size: 912B

.reloc
Size: 512B - Virtual size: 64B