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

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General

Target

System.IO.Compression.FileSystem.dll
Size

13KB
MD5

5f1154ea2c7c750eaf98db68d4545046
SHA1

99a18acfa05b5dde99994324fdd9cefc325cdcb1
SHA256

f27a3d3c0c5d2eb508c7f71d91d528f1c4a62110df178114c0c4fe319e5c3937
SHA512

46e96b5a1552624f68d4132ca1175d377e7b67dd7fa427c8d3f3e807956f82fdacd4d4e8a55cd6f7cdf022d9dd05699be7651ea312066b927c6244644637660d
SSDEEP

192:+Wu7RW7DNUHrtWtWsI9A9GaHnhWgN7aQWw+P+CjAWqnajKsbl2KqX:+Wu7RWn+BWcyHRN7X+P+CcWlGsbM

Score

1^/10

Malware Config

Signatures

Files

System.IO.Compression.FileSystem.dll
.dll windows:5 windows x86 arch:x86

Code Sign

33:00:00:01:52:9b:40:9f:50:56:99:75:88:00:00:00:00:01:52
Certificate

Issuer

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

Not Before

02/05/2019, 21:37

Not After

02/05/2020, 21:37

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

95:98:74:c7:de:b7:e9:2e:6e:e1:03:e7:c2:58:85:38:5d:77:72:d0:e0:16:41:10:51:17:e4:76:c4:86:e7:36
Signer

Actual PE Digest

95:98:74:c7:de:b7:e9:2e:6e:e1:03:e7:c2:58:85:38:5d:77:72:d0:e0:16:41:10:51:17:e4:76:c4:86:e7:36

Digest Algorithm

sha256

PE Digest Matches

true

Headers

DLL Characteristics

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_32BIT_MACHINE
IMAGE_FILE_DLL

PDB Paths

System.IO.Compression.FileSystem.ni.pdb
System.IO.Compression.FileSystem.pdb

Sections

.data
Size: 512B - Virtual size: 4B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.text
Size: 4KB - Virtual size: 3KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

Code Sign

33:00:00:01:52:9b:40:9f:50:56:99:75:88:00:00:00:00:01:52Certificate

Extended Key Usages

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

Key Usages

95:98:74:c7:de:b7:e9:2e:6e:e1:03:e7:c2:58:85:38:5d:77:72:d0:e0:16:41:10:51:17:e4:76:c4:86:e7:36Signer

Headers

DLL Characteristics

File Characteristics

PDB Paths

Sections

.data Size: 512B - Virtual size: 4B

.text Size: 4KB - Virtual size: 3KB

33:00:00:01:52:9b:40:9f:50:56:99:75:88:00:00:00:00:01:52
Certificate

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

95:98:74:c7:de:b7:e9:2e:6e:e1:03:e7:c2:58:85:38:5d:77:72:d0:e0:16:41:10:51:17:e4:76:c4:86:e7:36
Signer

.data
Size: 512B - Virtual size: 4B

.text
Size: 4KB - Virtual size: 3KB