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

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General

Target

System.IO.UnmanagedMemoryStream.dll
Size

13KB
MD5

8bff687bd8e4ec547dfc2b153cd07ac8
SHA1

f763143defebc75b106e5b268df6f771c52c363e
SHA256

b92896a988038b970c60a941212c26fe01ecc7d5dc0103e14520b5cd2d929a98
SHA512

09c33a045eb8e821874be8e262f697adc3705cb3818ace1fb30ec91b21e36058a39b1abc9202d1175e4d7e6f610501a87056214ec9a84fff96e5360fa33da84a
SSDEEP

192:P+CsKwdxt0BYW/+WLqW4GD5dHnhWgN7aQWLYqCE0qnajKsDS:/1wntNW/+W9dHRN70BClGsD

Score

1^/10

Malware Config

Signatures

Files

System.IO.UnmanagedMemoryStream.dll
.dll windows:4 windows x86 arch:x86

dae02f32a21e03ce65412f6e56942daa

Code Sign

33:00:00:01:87:72:17:72:15:59:40:c7:09:00:00:00:00:01:87
Certificate

Issuer

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

Not Before

04/03/2020, 18:39

Not After

03/03/2021, 18:39

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

7b:63:0a:ea:c6:32:16:56:3b:1a:c2:27:9e:c1:e6:6d:bb:1a:c3:7d:19:87:a8:08:53:52:bf:f6:63:4d:34:40
Signer

Actual PE Digest

7b:63:0a:ea:c6:32:16:56:3b:1a:c2:27:9e:c1:e6:6d:bb:1a:c3:7d:19:87:a8:08:53:52:bf:f6:63:4d:34:40

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

Imports

mscoree

_CorDllMain

Sections

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

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

33:00:00:01:87:72:17:72:15:59:40:c7:09:00:00:00:00:01:87Certificate

Extended Key Usages

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

Key Usages

7b:63:0a:ea:c6:32:16:56:3b:1a:c2:27:9e:c1:e6:6d:bb:1a:c3:7d:19:87:a8:08:53:52:bf:f6:63:4d:34:40Signer

Headers

DLL Characteristics

File Characteristics

Imports

mscoree

Sections

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

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

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

33:00:00:01:87:72:17:72:15:59:40:c7:09:00:00:00:00:01:87
Certificate

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

7b:63:0a:ea:c6:32:16:56:3b:1a:c2:27:9e:c1:e6:6d:bb:1a:c3:7d:19:87:a8:08:53:52:bf:f6:63:4d:34:40
Signer

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

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

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