System[.]IO[.]dll

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General

Target

System.IO.dll
Size

15KB
MD5

38a21e1ac10602156a36c50c67824d64
SHA1

e5918fb970489049d7cd0af7fd698649a01047f1
SHA256

4d0bf8f31e0c9c193cfecac7a7962a61df2df8381a9a4dd1bf8a9897d0f8dd2b
SHA512

89c9e4ea794d0d999cbb48181ff859df67cb86dce69fda394795ea834e71266e05ff51e5f9e2ead0888acb8cd8f2fea5595599b37a4bcf77421206be4ed890ee
SSDEEP

384:/G/383TTH5W2GbWyTb2HRN7WJ31AqR9zKk6o:Y3SCR/iWBr9z1N

Score

1^/10

Malware Config

Signatures

Files

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

dae02f32a21e03ce65412f6e56942daa

Code Sign

33:00:00:03:7c:c9:f6:bc:ed:07:59:ae:08:00:00:00:00:03:7c
Certificate

Issuer

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

Not Before

11-05-2023 19:03

Not After

08-05-2024 19:03

Subject

CN=.NET,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

aa:72:b2:13:c9:3d:77:3d:e7:8f:d1:cb:38:98:6c:03:da:8c:85:32:b6:e3:31:85:59:f4:11:69:fe:64:c9:6d
Signer

Actual PE Digest

aa:72:b2:13:c9:3d:77:3d:e7:8f:d1:cb:38:98:6c:03:da:8c:85:32:b6:e3:31:85:59:f4:11:69:fe:64:c9:6d

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_32BIT_MACHINE
IMAGE_FILE_DLL

PDB Paths

/__w/1/s/artifacts/obj/System.IO/Release/net7.0/System.IO.pdb

Imports

mscoree

_CorDllMain

Sections

.text
Size: 3KB - 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

33:00:00:03:7c:c9:f6:bc:ed:07:59:ae:08:00:00:00:00:03:7cCertificate

Extended Key Usages

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

Key Usages

aa:72:b2:13:c9:3d:77:3d:e7:8f:d1:cb:38:98:6c:03:da:8c:85:32:b6:e3:31:85:59:f4:11:69:fe:64:c9:6dSigner

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

mscoree

Sections

.text Size: 3KB - Virtual size: 2KB

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

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

33:00:00:03:7c:c9:f6:bc:ed:07:59:ae:08:00:00:00:00:03:7c
Certificate

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

aa:72:b2:13:c9:3d:77:3d:e7:8f:d1:cb:38:98:6c:03:da:8c:85:32:b6:e3:31:85:59:f4:11:69:fe:64:c9:6d
Signer

.text
Size: 3KB - Virtual size: 2KB

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

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