System[.]IO[.]FileSystem_1[.]dll

Sharing

Copy URL Twitter E-mail

General

Target

System.IO.FileSystem_1.dll
Size

22KB
MD5

84abec24a10c4d4f4b10887cb85fde6a
SHA1

b46ad93384323ed4aa88e8af3cdee208a88f1f6d
SHA256

2d917d520488b56673e74ac9dc610a2488ae70a7ebbbbff097c2e855ba1ef590
SHA512

54973fd33c986714556c97fe25a6a345b3df42f8b1f3a89d52b639a98d1d58aeb535ab7e75a8df0f0fe1cf4a558ee30e62c5fa4520ce62a837aab227e5a3d443
SSDEEP

384:34Ye1WQYWgWTYWz3rq0GftpBjUVLP4ERHRN7+lXhW/aFbz:3cz3iyEEBIsaRz

Score

1^/10

Malware Config

Signatures

Files

System.IO.FileSystem_1.dll
.dll windows x86

dae02f32a21e03ce65412f6e56942daa

Code Sign

33:00:00:00:cb:d9:52:06:53:bf:3e:2a:59:00:00:00:00:00:cb
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:5847-F761-4F70,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

a9:af:4d:7c:c1:ee:92:03:43:8d:f0:f3:6c:bd:de:aa:ca:a9:cf:b6:9f:6d:00:0f:49:e8:de:e9:7f:7b:5c:4d
Signer

Actual PE Digest

a9:af:4d:7c:c1:ee:92:03:43:8d:f0:f3:6c:bd:de:aa:ca:a9:cf:b6:9f:6d:00:0f:49:e8:de:e9:7f:7b:5c:4d

Digest Algorithm

sha256

PE Digest Matches

true

d2:9d:19:50:3d:20:8f:ec:9d:80:8b:ad:c1:a7:84:55:c1:af:90:58
Signer

Actual PE Digest

d2:9d:19:50:3d:20:8f:ec:9d:80:8b:ad:c1:a7:84:55:c1:af:90:58

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: 3KB - Virtual size: 2KB

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:cb:d9:52:06:53:bf:3e:2a:59:00:00:00:00:00:cbCertificate

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

a9:af:4d:7c:c1:ee:92:03:43:8d:f0:f3:6c:bd:de:aa:ca:a9:cf:b6:9f:6d:00:0f:49:e8:de:e9:7f:7b:5c:4dSigner

d2:9d:19:50:3d:20:8f:ec:9d:80:8b:ad:c1:a7:84:55:c1:af:90:58Signer

Headers

DLL Characteristics

File Characteristics

Imports

mscoree

Sections

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

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

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

33:00:00:00:cb:d9:52:06:53:bf:3e:2a:59:00:00:00:00:00:cb
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

a9:af:4d:7c:c1:ee:92:03:43:8d:f0:f3:6c:bd:de:aa:ca:a9:cf:b6:9f:6d:00:0f:49:e8:de:e9:7f:7b:5c:4d
Signer

d2:9d:19:50:3d:20:8f:ec:9d:80:8b:ad:c1:a7:84:55:c1:af:90:58
Signer

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

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

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