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

Sharing

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General

Target

System.IO.FileSystem.dll
Size

20KB
MD5

3f82fd28f97edc8770fee705d4c34d67
SHA1

d8ca420ea76cadc80757cc1771bb0c195aba7957
SHA256

5747c77fc6e035ee9fc1583ac989af29edbf8056f1c7e4273343fb20bfc71eb6
SHA512

fd44deb13cac2dbe34cdd2f5969651c33c5ff12c07e0ae004c4f2f175a45811d0b7f3f9c3b5d52dd92d9a3a49c94593a389fb41728ab27540d5e471a573b22f9
SSDEEP

384:gNNNWuyWoigbCA0GftpBjH/+ILKHRN7hlPzwN:gNNzy8ihm7zC

Score

1^/10

Malware Config

Signatures

Files

System.IO.FileSystem.dll
.dll windows x86

dae02f32a21e03ce65412f6e56942daa

Code Sign

33:00:00:00:6f:65:2d:58:6d:07:11:46:28:00:00:00:00:00:6f
Certificate

Issuer

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

Not Before

20/03/2015, 17:32

Not After

20/06/2016, 17:32

Subject

CN=Microsoft Time-Stamp Service,OU=MOPR+OU=nCipher DSE ESN:C0F4-3086-DEF8,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

33:00:00:01:0a:2c:79:ae:d7:79:7b:a6:ac:00:01:00:00:01:0a
Certificate

Issuer

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

Not Before

04/06/2015, 17:42

Not After

04/09/2016, 17:42

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

33:00:00:00:38:8d:23:6d:16:27:a3:26:e0:00:00:00:00:00:38
Certificate

Issuer

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

Not Before

01/10/2014, 18:11

Not After

01/01/2016, 18:11

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

49:44:ae:1e:5d:f5:9a:9d:68:53:31:22:a5:c0:1e:29:c5:ed:7a:f0:b4:40:27:9a:80:f6:5b:cf:ae:12:4b:d7
Signer

Actual PE Digest

49:44:ae:1e:5d:f5:9a:9d:68:53:31:22:a5:c0:1e:29:c5:ed:7a:f0:b4:40:27:9a:80:f6:5b:cf:ae:12:4b:d7

Digest Algorithm

sha256

PE Digest Matches

true

c2:a3:1f:c3:db:f2:ca:74:d2:28:67:77:eb:c6:b8:02:de:da:a6:b1
Signer

Actual PE Digest

c2:a3:1f:c3:db:f2:ca:74:d2:28:67:77:eb:c6:b8:02:de:da:a6:b1

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: 2KB - Virtual size: 1KB

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

33:00:00:00:6f:65:2d:58:6d:07:11:46:28:00:00:00:00:00:6fCertificate

Extended Key Usages

33:00:00:01:0a:2c:79:ae:d7:79:7b:a6:ac:00:01:00:00:01:0aCertificate

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

33:00:00:00:38:8d:23:6d:16:27:a3:26:e0:00:00:00:00:00:38Certificate

Extended Key Usages

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

Key Usages

49:44:ae:1e:5d:f5:9a:9d:68:53:31:22:a5:c0:1e:29:c5:ed:7a:f0:b4:40:27:9a:80:f6:5b:cf:ae:12:4b:d7Signer

c2:a3:1f:c3:db:f2:ca:74:d2:28:67:77:eb:c6:b8:02:de:da:a6:b1Signer

Headers

DLL Characteristics

File Characteristics

Imports

mscoree

Sections

.text Size: 2KB - Virtual size: 1KB

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

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

33:00:00:00:6f:65:2d:58:6d:07:11:46:28:00:00:00:00:00:6f
Certificate

33:00:00:01:0a:2c:79:ae:d7:79:7b:a6:ac:00:01:00:00:01:0a
Certificate

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

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

33:00:00:00:38:8d:23:6d:16:27:a3:26:e0:00:00:00:00:00:38
Certificate

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

49:44:ae:1e:5d:f5:9a:9d:68:53:31:22:a5:c0:1e:29:c5:ed:7a:f0:b4:40:27:9a:80:f6:5b:cf:ae:12:4b:d7
Signer

c2:a3:1f:c3:db:f2:ca:74:d2:28:67:77:eb:c6:b8:02:de:da:a6:b1
Signer

.text
Size: 2KB - Virtual size: 1KB

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

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