System[.]Collections[.]Immutable[.]dll

Sharing

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General

Target

System.Collections.Immutable.dll
Size

295KB
MD5

d8203aedaabeac1e606cd0e2af397d01
SHA1

eef943e4369166a039dee90f2d81504613d49ca0
SHA256

2f05a2c489c2d30a6cca346d4ce184323d70eb4f5afa6bed34d5800274444e57
SHA512

ce09543cbb799db65c71ea9d050cef99d702d9af0cc4c7e346f97f616b091d0ab9a211197caf7fd5a53af1ba6ce913b2b121499d36cd43b499fd201376f4f3d6
SSDEEP

6144:UgQflmXU2jFqgqXf3sHwcmtpAGb2Fwz5UcEUcsoJ:nQflEf2yEXbs7cNc7J

Score

1^/10

Malware Config

Signatures

Files

System.Collections.Immutable.dll
.dll windows x86

dae02f32a21e03ce65412f6e56942daa

Code Sign

33:00:00:00:c3:3b:b8:10:d6:ab:75:9c:84:00:00:00:00:00:c3
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=AOC+OU=nCipher DSE ESN:D236-37DA-9761,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

33:00:00:01:79:7c:2e:57:4e:52:e1:ca:d6:00:01:00:00:01:79
Certificate

Issuer

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

Not Before

11/08/2017, 20:11

Not After

11/08/2018, 20:11

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:c4:e9:89:f8:7a:81:50:e9:ff:00:00:00:00:00:c4
Certificate

Issuer

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

Not Before

11/08/2017, 20:20

Not After

11/08/2018, 20:20

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

3e:6a:78:e9:d4:27:08:fe:96:07:0a:5e:40:02:fe:24:72:b1:a0:6e:79:af:f5:75:65:a9:f9:c0:d9:db:ff:16
Signer

Actual PE Digest

3e:6a:78:e9:d4:27:08:fe:96:07:0a:5e:40:02:fe:24:72:b1:a0:6e:79:af:f5:75:65:a9:f9:c0:d9:db:ff:16

Digest Algorithm

sha256

PE Digest Matches

true

73:90:24:98:5c:c9:b5:cc:e4:ff:d0:9e:73:a2:e6:f3:97:4f:9b:47
Signer

Actual PE Digest

73:90:24:98:5c:c9:b5:cc:e4:ff:d0:9e:73:a2:e6:f3:97:4f:9b:47

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: 160KB - Virtual size: 159KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rsrc
Size: 118KB - Virtual size: 118KB

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:c3:3b:b8:10:d6:ab:75:9c:84:00:00:00:00:00:c3Certificate

Extended Key Usages

33:00:00:01:79:7c:2e:57:4e:52:e1:ca:d6:00:01:00:00:01:79Certificate

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:c4:e9:89:f8:7a:81:50:e9:ff:00:00:00:00:00:c4Certificate

Extended Key Usages

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

Key Usages

3e:6a:78:e9:d4:27:08:fe:96:07:0a:5e:40:02:fe:24:72:b1:a0:6e:79:af:f5:75:65:a9:f9:c0:d9:db:ff:16Signer

73:90:24:98:5c:c9:b5:cc:e4:ff:d0:9e:73:a2:e6:f3:97:4f:9b:47Signer

Headers

DLL Characteristics

File Characteristics

Imports

mscoree

Sections

.text Size: 160KB - Virtual size: 159KB

.rsrc Size: 118KB - Virtual size: 118KB

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

33:00:00:00:c3:3b:b8:10:d6:ab:75:9c:84:00:00:00:00:00:c3
Certificate

33:00:00:01:79:7c:2e:57:4e:52:e1:ca:d6:00:01:00:00:01:79
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:c4:e9:89:f8:7a:81:50:e9:ff:00:00:00:00:00:c4
Certificate

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

3e:6a:78:e9:d4:27:08:fe:96:07:0a:5e:40:02:fe:24:72:b1:a0:6e:79:af:f5:75:65:a9:f9:c0:d9:db:ff:16
Signer

73:90:24:98:5c:c9:b5:cc:e4:ff:d0:9e:73:a2:e6:f3:97:4f:9b:47
Signer

.text
Size: 160KB - Virtual size: 159KB

.rsrc
Size: 118KB - Virtual size: 118KB

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