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

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General

Target

System.IO.Compression.FileSystem.dll
Size

15KB
MD5

df4f1a5fbff80fd621ab03bea760464c
SHA1

4fbcb6a94f2952fb40d3ef8d2571656f0a5e06d6
SHA256

06e888e72d859cd49770316d7f9fb0e9141a58e8cc0416eb73e7a04726f99dfc
SHA512

52f5a2e0ebd0cc0cb1841dade0d57f5a1972ba680ca440bd54ed7a227585853c20834758d965be5dd55df9cfea31be7986409b6af12471caf409686edebc8b10
SSDEEP

192:PTbZYFTZaWu1mWXuWXebPpUNTQHnhWgN7agWeY217weX01k9z3AIaKR67j:yjaWu1mWXTb2HRN7rY21nR9zZaKk7j

Score

1^/10

Malware Config

Signatures

Files

System.IO.Compression.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

d5:97:c2:97:16:75:02:26:bb:bb:2b:97:14:64:9c:f7:5d:ad:4f:6f:23:e2:73:b5:94:4e:50:3f:fb:ec:4f:62
Signer

Actual PE Digest

d5:97:c2:97:16:75:02:26:bb:bb:2b:97:14:64:9c:f7:5d:ad:4f:6f:23:e2:73:b5:94:4e:50:3f:fb:ec:4f:62

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.IO.Compression.FileSystem/Release/net7.0-linux/System.IO.Compression.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

d5:97:c2:97:16:75:02:26:bb:bb:2b:97:14:64:9c:f7:5d:ad:4f:6f:23:e2:73:b5:94:4e:50:3f:fb:ec:4f:62Signer

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

d5:97:c2:97:16:75:02:26:bb:bb:2b:97:14:64:9c:f7:5d:ad:4f:6f:23:e2:73:b5:94:4e:50:3f:fb:ec:4f:62
Signer

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

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

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