System[.]Collections[.]Immutable[.]dll

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General

Target

System.Collections.Immutable.dll
Size

184KB
MD5

5b9f4e045bd0941f35665de23f2b9403
SHA1

9c6c2d157a5bbf8e275c8627cb0547b1007bb8d1
SHA256

a99911373eb198dbb32d0cf8246e398ac89e8fbfb29023ab6ec8d1017bbd7063
SHA512

9146d67763bf730e27b621ce60be3bb1e2e874f9310dab35c05f4d83896b55d26bbd624ef9dfb94a01a69d8509dd6f2da98394c16204df6d728828f8fbd6e005
SSDEEP

3072:+HutEkGE0frJeOAY1tn/Du+q0gtLAEcn94SgyKAqYHmok2aH:Iu501WY9/Du+q0ILAEGzgEkZH

Score

1^/10

Malware Config

Signatures

Files

System.Collections.Immutable.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

35:55:17:7e:68:9f:14:9b:bf:48:ed:22:16:41:79:6d:0e:e9:34:03:db:61:72:6a:db:25:02:64:cc:da:61:5e
Signer

Actual PE Digest

35:55:17:7e:68:9f:14:9b:bf:48:ed:22:16:41:79:6d:0e:e9:34:03:db:61:72:6a:db:25:02:64:cc:da:61:5e

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

/_/artifacts/obj/System.Collections.Immutable/netstandard2.0-Release/System.Collections.Immutable.pdb

Imports

mscoree

_CorDllMain

Sections

.text
Size: 173KB - Virtual size: 173KB

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

35:55:17:7e:68:9f:14:9b:bf:48:ed:22:16:41:79:6d:0e:e9:34:03:db:61:72:6a:db:25:02:64:cc:da:61:5eSigner

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

mscoree

Sections

.text Size: 173KB - Virtual size: 173KB

.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

35:55:17:7e:68:9f:14:9b:bf:48:ed:22:16:41:79:6d:0e:e9:34:03:db:61:72:6a:db:25:02:64:cc:da:61:5e
Signer

.text
Size: 173KB - Virtual size: 173KB

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

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