Microsoft[.]IO[.]RecyclableMemoryStream[.]dll

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General

Target

Microsoft.IO.RecyclableMemoryStream.dll
Size

39KB
MD5

3352c6991e0a8e7889586440516defb8
SHA1

3a1c12811c32b83ad40fee240cd5a3cf0f5f1fcc
SHA256

c756b58bb438134a99ec7267c40e416c477b9b351d3af213354086550a9641fb
SHA512

5955cc7f819d275fae1850cd29a626a33c0b454d05aabedb9838b4cff76ff42f0e260ddb90c6ef05fb66c1a966bb69a62cbdb6928327267701aec3eb150cff3f
SSDEEP

768:xh/MA112XbPSacHrqxQ2Z8EOLUK1MDvB75DK:DB112Xd3OLUK12v/K

Score

1^/10

Malware Config

Signatures

Files

Microsoft.IO.RecyclableMemoryStream.dll
.dll windows:4 windows x86 arch:x86

dae02f32a21e03ce65412f6e56942daa

Code Sign

33:00:00:01:df:6b:f0:2e:92:a7:4a:b4:d0:00:00:00:00:01:df
Certificate

Issuer

CN=Microsoft Code Signing PCA 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

15/12/2020, 21:31

Not After

02/12/2021, 21:31

Subject

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

Extended Key Usages

ExtKeyUsageCodeSigning

61:0e:90:d2:00:00:00:00:00:03
Certificate

Issuer

CN=Microsoft Root Certificate Authority 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

08/07/2011, 20:59

Not After

08/07/2026, 21:09

Subject

CN=Microsoft Code Signing PCA 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

34:ee:95:0c:85:e0:7d:05:a6:a2:eb:cd:e8:0e:39:c2:5b:7f:d1:eb:76:a8:be:a9:c1:c3:04:8a:59:d7:7c:4d
Signer

Actual PE Digest

34:ee:95:0c:85:e0:7d:05:a6:a2:eb:cd:e8:0e:39:c2:5b:7f:d1:eb:76:a8:be:a9:c1:c3:04:8a:59:d7:7c:4d

Digest Algorithm

sha256

PE Digest Matches

true

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_NO_SEH
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_DLL

PDB Paths

D:\a\1\s\src\obj\Release\netcoreapp2.1\Microsoft.IO.RecyclableMemoryStream.pdb

Imports

mscoree

_CorDllMain

Sections

.text
Size: 28KB - Virtual size: 28KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 512B - Virtual size: 12B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

dae02f32a21e03ce65412f6e56942daa

Code Sign

33:00:00:01:df:6b:f0:2e:92:a7:4a:b4:d0:00:00:00:00:01:dfCertificate

Extended Key Usages

61:0e:90:d2:00:00:00:00:00:03Certificate

Key Usages

34:ee:95:0c:85:e0:7d:05:a6:a2:eb:cd:e8:0e:39:c2:5b:7f:d1:eb:76:a8:be:a9:c1:c3:04:8a:59:d7:7c:4dSigner

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

mscoree

Sections

.text Size: 28KB - Virtual size: 28KB

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

.reloc Size: 512B - Virtual size: 12B

33:00:00:01:df:6b:f0:2e:92:a7:4a:b4:d0:00:00:00:00:01:df
Certificate

61:0e:90:d2:00:00:00:00:00:03
Certificate

34:ee:95:0c:85:e0:7d:05:a6:a2:eb:cd:e8:0e:39:c2:5b:7f:d1:eb:76:a8:be:a9:c1:c3:04:8a:59:d7:7c:4d
Signer

.text
Size: 28KB - Virtual size: 28KB

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

.reloc
Size: 512B - Virtual size: 12B