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

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General

Target

System.IO.Compression.Brotli.dll
Size

16KB
MD5

701c9b5438e2ead62a144a8434d3945a
SHA1

2d55e2f9de6b610baa4a4f1814d42b84ece4c9b9
SHA256

1b9482b8bdf2139d35689556086967990648b4840cb4f9e8b3cbf76c6b312810
SHA512

7dcafd0d92b3b35ac61a12200b632ec2c90e5b99df9e2e51df62590f0a5c107cc403dec3e7106f72f79995c860e8489adc4252443d2d05c8a89526a4e6bf831f
SSDEEP

384:Uk9Fj/UyNdLTW2TWKdHRN7XyipJAlGspYIT:39xDpCm38

Score

1^/10

Malware Config

Signatures

Files

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

dae02f32a21e03ce65412f6e56942daa

Code Sign

33:00:00:01:87:72:17:72:15:59:40:c7:09:00:00:00:00:01:87
Certificate

Issuer

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

Not Before

04/03/2020, 18:39

Not After

03/03/2021, 18:39

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

4e:3a:ec:80:55:5b:36:b1:3a:c8:23:9d:f8:0c:28:29:95:b3:23:65:90:76:9e:cf:37:70:b2:c6:1f:bf:b1:47
Signer

Actual PE Digest

4e:3a:ec:80:55:5b:36:b1:3a:c8:23:9d:f8:0c:28:29:95:b3:23:65:90:76:9e:cf:37:70:b2:c6:1f:bf:b1:47

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

Imports

mscoree

_CorDllMain

Sections

.text
Size: 5KB - Virtual size: 5KB

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

33:00:00:01:87:72:17:72:15:59:40:c7:09:00:00:00:00:01:87Certificate

Extended Key Usages

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

Key Usages

4e:3a:ec:80:55:5b:36:b1:3a:c8:23:9d:f8:0c:28:29:95:b3:23:65:90:76:9e:cf:37:70:b2:c6:1f:bf:b1:47Signer

Headers

DLL Characteristics

File Characteristics

Imports

mscoree

Sections

.text Size: 5KB - Virtual size: 5KB

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

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

33:00:00:01:87:72:17:72:15:59:40:c7:09:00:00:00:00:01:87
Certificate

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

4e:3a:ec:80:55:5b:36:b1:3a:c8:23:9d:f8:0c:28:29:95:b3:23:65:90:76:9e:cf:37:70:b2:c6:1f:bf:b1:47
Signer

.text
Size: 5KB - Virtual size: 5KB

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

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