System[.]IO[.]FileSystem[.]dll

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General

Target

System.IO.FileSystem.dll
Size

15KB
MD5

c855b90fbc564d532128e685242f7149
SHA1

cc76dfef548afcbc70813915db81c7c65a5443ac
SHA256

25b1ae806cca3ef36f4ab1181d95a88271a2c1a766a9cb077950a1aa80e1c35f
SHA512

bb4de8fdc7474d58d00f34e4e8cf8ab086dd471153cf247aedc254f18a35320f4413d055203fe6ea6544f40ad0f8166a5baf987faf46d9b2d9e3934c4dd4f0f9
SSDEEP

192:Hd0yPGruxTmfWyV2W5suWXebPpUNTQHnhWgN7agWjEJp13s5yX01k9z3AJeQ:eXATIWyV2W5sTb2HRN7WEFcYR9zW/

Score

1^/10

Malware Config

Signatures

Files

System.IO.FileSystem.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

5d:75:4f:b2:43:c2:55:a2:74:9f:c9:0a:9f:70:a4:40:d7:7b:b6:65:36:a3:77:d1:ba:60:d7:60:1a:64:9a:7e
Signer

Actual PE Digest

5d:75:4f:b2:43:c2:55:a2:74:9f:c9:0a:9f:70:a4:40:d7:7b:b6:65:36:a3:77:d1:ba:60:d7:60:1a:64:9a:7e

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.FileSystem/Release/net7.0/System.IO.FileSystem.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

5d:75:4f:b2:43:c2:55:a2:74:9f:c9:0a:9f:70:a4:40:d7:7b:b6:65:36:a3:77:d1:ba:60:d7:60:1a:64:9a:7eSigner

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

5d:75:4f:b2:43:c2:55:a2:74:9f:c9:0a:9f:70:a4:40:d7:7b:b6:65:36:a3:77:d1:ba:60:d7:60:1a:64:9a:7e
Signer

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

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

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