cryptdll[.]dll

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General

Target

cryptdll.dll
Size

65KB
MD5

cc7e0fbce951863dba1beb88b6ab786c
SHA1

9155e630e921ad209c902b6d30d5b76f45b789a3
SHA256

26d1a531233fd522e2e558e60fdba784a3e311c18919ce42a8f942539797bdbd
SHA512

a3fe3a58e7db24ebd8d31b1f4f194e3b1bc6250fa2804c9d1c3daea44741aaed92eb3c0995947631080dde4266583ef8c77d84d9e9c2f199b5d1c2eecd2b9caa
SSDEEP

1536:JwzaVDdpoi9IJQT32V7YSRf94jkNM+48sVsf+fJEJxPnr:24QiDT32V7YSRf94uMpDVEJxPr

Score

1^/10

Malware Config

Signatures

Files

cryptdll.dll
.dll windows x64

eee9e3c69e3aa8a672ba845111314df0

Code Sign

33:00:00:01:ba:73:af:63:1e:b0:1e:45:ca:00:00:00:00:01:ba
Certificate

Issuer

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

Not Before

06/06/2018, 18:57

Not After

29/05/2019, 18:57

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

c1:d5:e3:f4:57:5b:59:d6:af:bf:d4:b4:82:29:bb:71:b1:e6:16:ea:8f:25:38:49:0c:58:c0:8e:e1:20:31:42
Signer

Actual PE Digest

c1:d5:e3:f4:57:5b:59:d6:af:bf:d4:b4:82:29:bb:71:b1:e6:16:ea:8f:25:38:49:0c:58:c0:8e:e1:20:31:42

Digest Algorithm

sha256

PE Digest Matches

true

Signature Validations

Trusted

false

Verification

Signing Certificate

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

09/03/2023, 19:03
Valid: false

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_GUARD_CF

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE

Imports

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

_initterm
_initterm_e

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

memset

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

_o__cexit
_o__configure_narrow_argv
_o__execute_onexit_table
_o__initialize_narrow_environment
_o__initialize_onexit_table
_o__seh_filter_dll
memmove
_o_free
_o_malloc
__C_specific_handler
_o___std_type_info_destroy_list
memcmp
memcpy

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

DisableThreadLibraryCalls

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

QueryPerformanceCounter

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

GetCurrentProcessId
TerminateProcess
GetCurrentProcess
GetCurrentThreadId

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

GetSystemTimeAsFileTime

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

InitializeSListHead

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

RtlVirtualUnwind
RtlLookupFunctionEntry
RtlCaptureContext

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

IsDebuggerPresent

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

SetLastError
UnhandledExceptionFilter
SetUnhandledExceptionFilter

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

IsProcessorFeaturePresent

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

RegQueryValueExW
RegCloseKey
RegOpenKeyExW

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

LocalFree
LocalAlloc

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

WideCharToMultiByte

ntdll

RtlInitializeCriticalSection
RtlUnicodeStringToOemString
RtlFreeOemString
RtlDeleteCriticalSection
RtlLeaveCriticalSection
RtlNtStatusToDosError
RtlEnterCriticalSection

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

ResolveDelayLoadedAPI

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

DelayLoadFailureHook

Exports

Exports

CDBuildIntegrityVect
CDBuildVect
CDFindCommonCSystem
CDFindCommonCSystemWithKey
CDGenerateRandomBits
CDGetIntegrityVect
CDLocateCSystem
CDLocateCheckSum
CDLocateRng
CDRegisterCSystem
CDRegisterCheckSum
CDRegisterRng
HMACwithSHA
KRBFXCF2
MD5Final
MD5Init
MD5Update
PBKDF2
aesCTSDecryptMsg
aesCTSEncryptMsg

Sections

.text
Size: 32KB - Virtual size: 32KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 16KB - Virtual size: 16KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 1KB - Virtual size: 7KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.didat
Size: 512B - Virtual size: 120B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 1024B - Virtual size: 520B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

eee9e3c69e3aa8a672ba845111314df0

Code Sign

33:00:00:01:ba:73:af:63:1e:b0:1e:45:ca:00:00:00:00:01:baCertificate

Extended Key Usages

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

Key Usages

c1:d5:e3:f4:57:5b:59:d6:af:bf:d4:b4:82:29:bb:71:b1:e6:16:ea:8f:25:38:49:0c:58:c0:8e:e1:20:31:42Signer

Signature Validations

Verification

09/03/2023, 19:03 Valid: false

Headers

DLL Characteristics

File Characteristics

Imports

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

ntdll

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

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

Exports

Exports

Sections

.text Size: 32KB - Virtual size: 32KB

.rdata Size: 16KB - Virtual size: 16KB

.data Size: 1KB - Virtual size: 7KB

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

.didat Size: 512B - Virtual size: 120B

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

.reloc Size: 1024B - Virtual size: 520B

33:00:00:01:ba:73:af:63:1e:b0:1e:45:ca:00:00:00:00:01:ba
Certificate

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

c1:d5:e3:f4:57:5b:59:d6:af:bf:d4:b4:82:29:bb:71:b1:e6:16:ea:8f:25:38:49:0c:58:c0:8e:e1:20:31:42
Signer

09/03/2023, 19:03
Valid: false

.text
Size: 32KB - Virtual size: 32KB

.rdata
Size: 16KB - Virtual size: 16KB

.data
Size: 1KB - Virtual size: 7KB

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

.didat
Size: 512B - Virtual size: 120B

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

.reloc
Size: 1024B - Virtual size: 520B