api-ms-win-crt-heap-l1-1-0[.]dll

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General

Target

api-ms-win-crt-heap-l1-1-0.dll
Size

20KB
MD5

bacc491eb1dee4786ade841e7b480cd8
SHA1

84cb8f770cdf873415403edf48e625514aecad02
SHA256

43c80120970be1efed3ea60bf7aa37b46fcce946b94fb11ca6e3ffff2f16bb29
SHA512

7832912f38cd6ba145af57548c2a1d4da3bed9392a0ab3a0faffe18fab40087e1d74676e2af004627a37f7e079b9146dccf7aaa04e360a88443196fede4ccadc
SSDEEP

192:DFY17aFBR8WBhWUWYnO/VWQ4SWrJkn/uuOiqnajBc:DQZWBhWCUVcillc

Score

1^/10

Malware Config

Signatures

Files

api-ms-win-crt-heap-l1-1-0.dll
.dll windows x64

Code Sign

33:00:00:03:df:fb:6a:e3:f4:27:ec:b6:a3:00:00:00:00:03:df
Certificate

Issuer

CN=Microsoft Code Signing PCA 2010,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

15/12/2020, 21:24

Not After

02/12/2021, 21:24

Subject

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

Extended Key Usages

ExtKeyUsageCodeSigning

61:0c:52:4c:00:00:00:00:00:03
Certificate

Issuer

CN=Microsoft Root Certificate Authority 2010,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

06/07/2010, 20:40

Not After

06/07/2025, 20:50

Subject

CN=Microsoft Code Signing PCA 2010,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

97:15:93:c5:5b:40:f2:c6:8e:3c:03:6d:bc:d1:00:93:87:a3:2b:3d:f5:80:33:23:45:ac:7d:26:80:43:8d:24
Signer

Actual PE Digest

97:15:93:c5:5b:40:f2:c6:8e:3c:03:6d:bc:d1:00:93:87:a3:2b:3d:f5:80:33:23:45:ac:7d:26:80:43:8d:24

Digest Algorithm

sha256

PE Digest Matches

true

Signature Validations

Trusted

false

Verification

Signing Certificate

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

23/03/2023, 16:06
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

Exports

Exports

_aligned_free
_aligned_malloc
_aligned_msize
_aligned_offset_malloc
_aligned_offset_realloc
_aligned_offset_recalloc
_aligned_realloc
_aligned_recalloc
_callnewh
_calloc_base
_expand
_free_base
_get_heap_handle
_heapchk
_heapmin
_heapwalk
_malloc_base
_msize
_query_new_handler
_query_new_mode
_realloc_base
_recalloc
_set_new_mode
calloc
free
malloc
realloc

Sections

.rdata
Size: 4KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: - Virtual size: 128B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 4KB - Virtual size: 1008B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

Code Sign

33:00:00:03:df:fb:6a:e3:f4:27:ec:b6:a3:00:00:00:00:03:dfCertificate

Extended Key Usages

61:0c:52:4c:00:00:00:00:00:03Certificate

Key Usages

97:15:93:c5:5b:40:f2:c6:8e:3c:03:6d:bc:d1:00:93:87:a3:2b:3d:f5:80:33:23:45:ac:7d:26:80:43:8d:24Signer

Signature Validations

Verification

23/03/2023, 16:06 Valid: false

Headers

DLL Characteristics

File Characteristics

Exports

Exports

Sections

.rdata Size: 4KB - Virtual size: 1KB

.data Size: - Virtual size: 128B

.rsrc Size: 4KB - Virtual size: 1008B

33:00:00:03:df:fb:6a:e3:f4:27:ec:b6:a3:00:00:00:00:03:df
Certificate

61:0c:52:4c:00:00:00:00:00:03
Certificate

97:15:93:c5:5b:40:f2:c6:8e:3c:03:6d:bc:d1:00:93:87:a3:2b:3d:f5:80:33:23:45:ac:7d:26:80:43:8d:24
Signer

23/03/2023, 16:06
Valid: false

.rdata
Size: 4KB - Virtual size: 1KB

.data
Size: - Virtual size: 128B

.rsrc
Size: 4KB - Virtual size: 1008B