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

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General

Target

System.IO.Compression.dll
Size

109KB
MD5

9661714578a06ecb815369db1d364fe9
SHA1

629ce95c12b21678d877359ec4552d431c1cfbab
SHA256

b963eb95627b5f223e813fce8a53e6c9d72891714923de7263111473faebf3ef
SHA512

3dcfdd4916ba5af0ecc585405dd7a9ff58c79c583d8f5f62f12e75a9f12b6530e39637f4f795e39a23b2a0a9f476818f28ea9e9d1557aa5e6e14b5f5f56ac1cc
SSDEEP

1536:vUDglrO+lIFVkQT31aWzXCJ/tBvjZs1wJSGvNbZO0Wehg5aQKnfXmNo6/KwEBPD:Ugh3dBbi1wgGvIC1fWNo6/KwEtD

Score

1^/10

Malware Config

Signatures

Files

System.IO.Compression.dll
.dll windows x86

dae02f32a21e03ce65412f6e56942daa

Code Sign

33:00:00:00:b5:ac:7d:6d:87:6b:26:11:47:00:00:00:00:00:b5
Certificate

Issuer

CN=Microsoft Time-Stamp PCA,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

07/09/2016, 17:58

Not After

07/09/2018, 17:58

Subject

CN=Microsoft Time-Stamp Service,OU=MOPR+OU=nCipher DSE ESN:B8EC-30A4-7144,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

33:00:00:01:40:96:a9:ee:70:56:fe:cc:07:00:01:00:00:01:40
Certificate

Issuer

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

Not Before

18/08/2016, 20:17

Not After

02/11/2017, 20:17

Subject

CN=Microsoft Corporation,OU=MOPR,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

61:33:26:1a:00:00:00:00:00:31
Certificate

Issuer

CN=Microsoft Root Certificate Authority,0.9.2342.19200300.100.1.25=#13096d6963726f736f6674,0.9.2342.19200300.100.1.25=#1303636f6d

Not Before

31/08/2010, 22:19

Not After

31/08/2020, 22:29

Subject

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

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

61:16:68:34:00:00:00:00:00:1c
Certificate

Issuer

CN=Microsoft Root Certificate Authority,0.9.2342.19200300.100.1.25=#13096d6963726f736f6674,0.9.2342.19200300.100.1.25=#1303636f6d

Not Before

03/04/2007, 12:53

Not After

03/04/2021, 13:03

Subject

CN=Microsoft Time-Stamp PCA,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

33:00:00:00:64:47:84:94:86:db:41:19:38:00:00:00:00:00:64
Certificate

Issuer

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

Not Before

28/10/2015, 20:31

Not After

28/01/2017, 20:31

Subject

CN=Microsoft Corporation,OU=MOPR,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

a5:a7:b0:36:3d:52:e4:36:b0:25:a6:d9:b0:09:06:f8:84:76:f1:ba:ee:ad:df:87:dc:8b:19:38:0b:aa:6b:65
Signer

Actual PE Digest

a5:a7:b0:36:3d:52:e4:36:b0:25:a6:d9:b0:09:06:f8:84:76:f1:ba:ee:ad:df:87:dc:8b:19:38:0b:aa:6b:65

Digest Algorithm

sha256

PE Digest Matches

true

8f:5d:f3:b7:ed:4e:6c:e4:c3:5d:36:90:b3:bf:25:91:27:fc:d3:1a
Signer

Actual PE Digest

8f:5d:f3:b7:ed:4e:6c:e4:c3:5d:36:90:b3:bf:25:91:27:fc:d3:1a

Digest Algorithm

sha1

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_LARGE_ADDRESS_AWARE

Imports

mscoree

_CorDllMain

Sections

.text
Size: 90KB - Virtual size: 89KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rsrc
Size: 2KB - Virtual size: 2KB

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

33:00:00:00:b5:ac:7d:6d:87:6b:26:11:47:00:00:00:00:00:b5Certificate

Extended Key Usages

33:00:00:01:40:96:a9:ee:70:56:fe:cc:07:00:01:00:00:01:40Certificate

Extended Key Usages

61:33:26:1a:00:00:00:00:00:31Certificate

Key Usages

61:16:68:34:00:00:00:00:00:1cCertificate

Extended Key Usages

Key Usages

33:00:00:00:64:47:84:94:86:db:41:19:38:00:00:00:00:00:64Certificate

Extended Key Usages

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

Key Usages

a5:a7:b0:36:3d:52:e4:36:b0:25:a6:d9:b0:09:06:f8:84:76:f1:ba:ee:ad:df:87:dc:8b:19:38:0b:aa:6b:65Signer

8f:5d:f3:b7:ed:4e:6c:e4:c3:5d:36:90:b3:bf:25:91:27:fc:d3:1aSigner

Headers

DLL Characteristics

File Characteristics

Imports

mscoree

Sections

.text Size: 90KB - Virtual size: 89KB

.rsrc Size: 2KB - Virtual size: 2KB

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

33:00:00:00:b5:ac:7d:6d:87:6b:26:11:47:00:00:00:00:00:b5
Certificate

33:00:00:01:40:96:a9:ee:70:56:fe:cc:07:00:01:00:00:01:40
Certificate

61:33:26:1a:00:00:00:00:00:31
Certificate

61:16:68:34:00:00:00:00:00:1c
Certificate

33:00:00:00:64:47:84:94:86:db:41:19:38:00:00:00:00:00:64
Certificate

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

a5:a7:b0:36:3d:52:e4:36:b0:25:a6:d9:b0:09:06:f8:84:76:f1:ba:ee:ad:df:87:dc:8b:19:38:0b:aa:6b:65
Signer

8f:5d:f3:b7:ed:4e:6c:e4:c3:5d:36:90:b3:bf:25:91:27:fc:d3:1a
Signer

.text
Size: 90KB - Virtual size: 89KB

.rsrc
Size: 2KB - Virtual size: 2KB

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