System[.]IO[.]UnmanagedMemoryStream[.]dll

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General

Target

System.IO.UnmanagedMemoryStream.dll
Size

13KB
MD5

09b275bf1174ae72c57d79381fa6fc7c
SHA1

0ee0a88244653f1087f28e12b1e62d1a4701bc11
SHA256

bd4c294930daf8b1fca5ac3db3b21f35c05c4c28aea58f276dd0a1f3ef86cbea
SHA512

0abeb7830ec2da8450099988777745ca71de322e18c419e2862ee9079b772481d4b45912bd194eb00c96bdb6e55a5a3d9c655c06cf7c88284250321e39a5b5c2
SSDEEP

192:dWjzZW/9wwPEUBxdtZXtWsI9A9GaHnhWgN7aJeWwU2u1ZTBP3CNxXeRqnajva:dWjzZWewc4dTXcyHRN7WEU154JeRlLa

Score

1^/10

Malware Config

Signatures

Files

System.IO.UnmanagedMemoryStream.dll
.dll windows:5 windows x86 arch:x86

Code Sign

33:00:00:01:52:9b:40:9f:50:56:99:75:88:00:00:00:00:01:52
Certificate

Issuer

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

Not Before

02/05/2019, 21:37

Not After

02/05/2020, 21:37

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

7f:d5:3a:d3:09:2a:3b:0d:a5:54:ff:ae:ed:7a:d4:9c:61:6c:42:a1:ee:56:8c:54:48:a6:0b:c5:69:4b:b4:14
Signer

Actual PE Digest

7f:d5:3a:d3:09:2a:3b:0d:a5:54:ff:ae:ed:7a:d4:9c:61:6c:42:a1:ee:56:8c:54:48:a6:0b:c5:69:4b:b4:14

Digest Algorithm

sha256

PE Digest Matches

true

Headers

DLL Characteristics

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_32BIT_MACHINE
IMAGE_FILE_DLL

PDB Paths

System.IO.UnmanagedMemoryStream.ni.pdb
System.IO.UnmanagedMemoryStream.pdb

Sections

.data
Size: 512B - Virtual size: 4B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.text
Size: 4KB - Virtual size: 3KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

Code Sign

33:00:00:01:52:9b:40:9f:50:56:99:75:88:00:00:00:00:01:52Certificate

Extended Key Usages

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

Key Usages

7f:d5:3a:d3:09:2a:3b:0d:a5:54:ff:ae:ed:7a:d4:9c:61:6c:42:a1:ee:56:8c:54:48:a6:0b:c5:69:4b:b4:14Signer

Headers

DLL Characteristics

File Characteristics

PDB Paths

Sections

.data Size: 512B - Virtual size: 4B

.text Size: 4KB - Virtual size: 3KB

33:00:00:01:52:9b:40:9f:50:56:99:75:88:00:00:00:00:01:52
Certificate

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

7f:d5:3a:d3:09:2a:3b:0d:a5:54:ff:ae:ed:7a:d4:9c:61:6c:42:a1:ee:56:8c:54:48:a6:0b:c5:69:4b:b4:14
Signer

.data
Size: 512B - Virtual size: 4B

.text
Size: 4KB - Virtual size: 3KB