cryptdll[.]dll

Sharing

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General

Target

cryptdll.dll
Size

56KB
MD5

71af1bc0466ab48a705e2861859f40a8
SHA1

0b49b1e1a6bb5b3f2be9d241411562377bcfa21c
SHA256

419439515ea7804f297a17dd7f840762fb50de2e09e6d6ad8d6ebb4e189b81d2
SHA512

df0402fbc80ac93d21fbe26e5f614ae13694d101b9e000383eca1a077ee881c6d2c24930c452fb340536bc277c84128cd072c5d6fe107be65e3f353c8af501b6
SSDEEP

1536:Dq0juawfNK6/pKO7oK9KNKou4rmbIXKCKxKtKUbvocbNmJTFscloPKzJ:+0jujdboASfu46wtAi1kicoCF

Score

1^/10

Malware Config

Signatures

Files

cryptdll.dll
.dll windows:10 windows x86 arch:x86

2713d6de24282cb3af6e2436f33fc7da

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

01:b7:d1:d1:bc:ed:38:c1:c3:52:dc:98:14:b8:47:58:88:6b:81:0e:21:7d:80:60:f9:9e:d9:0e:5d:0d:11:70
Signer

Actual PE Digest

01:b7:d1:d1:bc:ed:38:c1:c3:52:dc:98:14:b8:47:58:88:6b:81:0e:21:7d:80:60:f9:9e:d9:0e:5d:0d:11:70

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

cryptdll.pdb

Imports

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

_initterm
_initterm_e

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

_o___std_type_info_destroy_list
_o__cexit
_o__configure_narrow_argv
_o__execute_onexit_table
_o__initialize_narrow_environment
_o__initialize_onexit_table
memmove
_o__seh_filter_dll
_o_free
_o_malloc
_except_handler4_common
memcmp
memcpy

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

memset

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

GetCurrentProcess
GetCurrentProcessId
GetCurrentThreadId
TerminateProcess

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

GetSystemTimeAsFileTime

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

InitializeSListHead

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

IsDebuggerPresent

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

SetUnhandledExceptionFilter
UnhandledExceptionFilter
SetLastError

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

IsProcessorFeaturePresent

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

RegQueryValueExW
RegOpenKeyExW
RegCloseKey

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

LocalFree
LocalAlloc

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

WideCharToMultiByte

ntdll

RtlLeaveCriticalSection
RtlInitializeCriticalSection
RtlUnicodeStringToOemString
RtlFreeOemString
RtlNtStatusToDosError
RtlDeleteCriticalSection
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: 37KB - Virtual size: 37KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 1024B - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.idata
Size: 2KB - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.didat
Size: 512B - Virtual size: 60B

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: 2KB - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

2713d6de24282cb3af6e2436f33fc7da

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

01:b7:d1:d1:bc:ed:38:c1:c3:52:dc:98:14:b8:47:58:88:6b:81:0e:21:7d:80:60:f9:9e:d9:0e:5d:0d:11:70Signer

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-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-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: 37KB - Virtual size: 37KB

.data Size: 1024B - Virtual size: 4KB

.idata Size: 2KB - Virtual size: 2KB

.didat Size: 512B - Virtual size: 60B

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

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

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

01:b7:d1:d1:bc:ed:38:c1:c3:52:dc:98:14:b8:47:58:88:6b:81:0e:21:7d:80:60:f9:9e:d9:0e:5d:0d:11:70
Signer

.text
Size: 37KB - Virtual size: 37KB

.data
Size: 1024B - Virtual size: 4KB

.idata
Size: 2KB - Virtual size: 2KB

.didat
Size: 512B - Virtual size: 60B

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

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