System[.]IO[.]dll

Sharing

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General

Target

System.IO.dll
Size

20KB
MD5

d552de7d39179b914db7cc2dbdd005c2
SHA1

044329c6c335224ba05a4e398a5fcb204f13ac36
SHA256

24bd076d31dc9d363eb2adb8b27a7d45d9f975aeec565132d27901537e31f239
SHA512

b82cbd6c4b3d378fba1793858c556ea1fdaa405905686ce219f192d16041e79aa063145c6d469aa7c15aa945d3ef344618fa0996d6611282a8718dd0de77d64d
SSDEEP

384:FJm/WFMrOhEZ0GftpBjMT6fMk+ILKHRN7uX6lFgJj:yaYbKi2zkmuXMw

Score

1^/10

Malware Config

Signatures

Files

System.IO.dll
.dll windows x86

dae02f32a21e03ce65412f6e56942daa

Code Sign

33:00:00:00:62:41:2f:c7:4d:8a:ae:13:26:00:00:00:00:00:62
Certificate

Issuer

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

Not Before

10/02/2015, 18:33

Not After

10/05/2016, 18:33

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

33:00:00:00:ca:6c:d5:32:12:35:c4:e1:55:00:01:00:00:00:ca
Certificate

Issuer

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

Not Before

22/04/2014, 17:39

Not After

22/07/2015, 17:39

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

40:36:ae:d3:7a:ba:73:88:52:39:0f:84:47:c9:e1:b0:16:ab:c0:17:d5:81:94:9e:74:9b:35:d5:c7:3f:39:78
Signer

Actual PE Digest

40:36:ae:d3:7a:ba:73:88:52:39:0f:84:47:c9:e1:b0:16:ab:c0:17:d5:81:94:9e:74:9b:35:d5:c7:3f:39:78

Digest Algorithm

sha256

PE Digest Matches

true

Signature Validations

Trusted

false

Verification

Signing Certificate

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

23/03/2023, 16:06
Valid: false

53:23:f4:1b:9c:d4:d7:9b:5b:00:20:68:be:35:2e:d4:4c:8e:c2:c3
Signer

Actual PE Digest

53:23:f4:1b:9c:d4:d7:9b:5b:00:20:68:be:35:2e:d4:4c:8e:c2:c3

Digest Algorithm

sha1

PE Digest Matches

true

Signature Validations

Trusted

false

Verification

Signing Certificate

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

19/02/2015, 01:06
Valid: false

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_32BIT_MACHINE

Imports

mscoree

_CorDllMain

Sections

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

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rsrc
Size: 1024B - Virtual size: 928B

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

33:00:00:00:62:41:2f:c7:4d:8a:ae:13:26:00:00:00:00:00:62Certificate

Extended Key Usages

33:00:00:00:ca:6c:d5:32:12:35:c4:e1:55:00:01:00:00:00:caCertificate

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

40:36:ae:d3:7a:ba:73:88:52:39:0f:84:47:c9:e1:b0:16:ab:c0:17:d5:81:94:9e:74:9b:35:d5:c7:3f:39:78Signer

Signature Validations

Verification

23/03/2023, 16:06 Valid: false

53:23:f4:1b:9c:d4:d7:9b:5b:00:20:68:be:35:2e:d4:4c:8e:c2:c3Signer

Signature Validations

Verification

19/02/2015, 01:06 Valid: false

Headers

DLL Characteristics

File Characteristics

Imports

mscoree

Sections

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

.rsrc Size: 1024B - Virtual size: 928B

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

33:00:00:00:62:41:2f:c7:4d:8a:ae:13:26:00:00:00:00:00:62
Certificate

33:00:00:00:ca:6c:d5:32:12:35:c4:e1:55:00:01:00:00:00:ca
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

40:36:ae:d3:7a:ba:73:88:52:39:0f:84:47:c9:e1:b0:16:ab:c0:17:d5:81:94:9e:74:9b:35:d5:c7:3f:39:78
Signer

23/03/2023, 16:06
Valid: false

53:23:f4:1b:9c:d4:d7:9b:5b:00:20:68:be:35:2e:d4:4c:8e:c2:c3
Signer

19/02/2015, 01:06
Valid: false

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

.rsrc
Size: 1024B - Virtual size: 928B

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