b3f42b33a6201216d8682d2e53552b83[.]exe

Sharing

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General

Target

b3f42b33a6201216d8682d2e53552b83.exe
Size

2.5MB
MD5

b3f42b33a6201216d8682d2e53552b83
SHA1

ac728fe6745fe585d83905750f9a46b94e685b50
SHA256

1b2f49a7d3f41631b9db7b8a1bcf8d4f81207a41e2b5b21d1435f0d63bd75f1e
SHA512

3e760de1e45428737a1ea47fe1574a89ed64d74d50cac3ac238b64734ec828e849180e592a0c064fa5efbf0987c4582eb35f8a260395e4d09579ac2389bf8ca6
SSDEEP

49152:OQsIYaqMoq24tp4g9Vo7q/oXJmxeqU3rR0BqrzSrwG9Mg:Wpaxd19xqt9CBqrzSrwGOg

Score

7^/10

Malware Config

Signatures

.NET Reactor proctector 1 IoCs

Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.

resource	yara_rule
sample	net_reactor

Files

b3f42b33a6201216d8682d2e53552b83.exe
.exe windows:4 windows x86

f34d5f2d4577ed6d9ceec516c1f5a744

Code Sign

04:00:00:00:00:01:2f:4e:e1:52:d7
Certificate

Issuer

CN=GlobalSign Root CA,OU=Root CA,O=GlobalSign nv-sa,C=BE

Not Before

13/04/2011, 10:00

Not After

28/01/2028, 12:00

Subject

CN=GlobalSign Timestamping CA - G2,O=GlobalSign nv-sa,C=BE

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

11:21:d6:99:a7:64:97:3e:f1:f8:42:7e:e9:19:cc:53:41:14
Certificate

Issuer

CN=GlobalSign Timestamping CA - G2,O=GlobalSign nv-sa,C=BE

Not Before

24/05/2016, 00:00

Not After

24/06/2027, 00:00

Subject

CN=GlobalSign TSA for MS Authenticode - G2,O=GMO GlobalSign Pte Ltd,C=SG

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature

2b:a7:21:42:24:82:95:02:08:d9:a1:7e:99:e1:98:db
Certificate

Issuer

CN=Symantec Class 3 SHA256 Code Signing CA,OU=Symantec Trust Network,O=Symantec Corporation,C=US

Not Before

02/09/2015, 00:00

Not After

01/10/2018, 23:59

Subject

CN=Environmental Systems Research Institute Inc.,O=Environmental Systems Research Institute Inc.,L=Redlands,ST=California,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

3d:78:d7:f9:76:49:60:b2:61:7d:f4:f0:1e:ca:86:2a
Certificate

Issuer

CN=VeriSign Class 3 Public Primary Certification Authority - G5,OU=VeriSign Trust Network+OU=(c) 2006 VeriSign\, Inc. - For authorized use only,O=VeriSign\, Inc.,C=US

Not Before

10/12/2013, 00:00

Not After

09/12/2023, 23:59

Subject

CN=Symantec Class 3 SHA256 Code Signing CA,OU=Symantec Trust Network,O=Symantec Corporation,C=US

Extended Key Usages

ExtKeyUsageClientAuth
ExtKeyUsageCodeSigning

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

2b:a7:21:42:24:82:95:02:08:d9:a1:7e:99:e1:98:db
Certificate

Issuer

CN=Symantec Class 3 SHA256 Code Signing CA,OU=Symantec Trust Network,O=Symantec Corporation,C=US

Not Before

02/09/2015, 00:00

Not After

01/10/2018, 23:59

Subject

CN=Environmental Systems Research Institute Inc.,O=Environmental Systems Research Institute Inc.,L=Redlands,ST=California,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

3d:78:d7:f9:76:49:60:b2:61:7d:f4:f0:1e:ca:86:2a
Certificate

Issuer

CN=VeriSign Class 3 Public Primary Certification Authority - G5,OU=VeriSign Trust Network+OU=(c) 2006 VeriSign\, Inc. - For authorized use only,O=VeriSign\, Inc.,C=US

Not Before

10/12/2013, 00:00

Not After

09/12/2023, 23:59

Subject

CN=Symantec Class 3 SHA256 Code Signing CA,OU=Symantec Trust Network,O=Symantec Corporation,C=US

Extended Key Usages

ExtKeyUsageClientAuth
ExtKeyUsageCodeSigning

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

5f:d6:93:fa:b0:98:e3:f4:67:7b:b8:cb:67:2c:22:9e
Certificate

Issuer

CN=Symantec Time Stamping Services CA - G2,O=Symantec Corporation,C=US

Not Before

11/06/2015, 00:00

Not After

29/12/2020, 23:59

Subject

CN=GeoTrust 2048-bit Timestamping Signer 1,O=GeoTrust Inc,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature

Certificate

Issuer

CN=Thawte Timestamping CA,OU=Thawte Certification,O=Thawte,L=Durbanville,ST=Western Cape,C=ZA

Not Before

01/01/1997, 00:00

Not After

31/12/2020, 23:59

Subject

CN=Thawte Timestamping CA,OU=Thawte Certification,O=Thawte,L=Durbanville,ST=Western Cape,C=ZA

7e:93:eb:fb:7c:c6:4e:59:ea:4b:9a:77:d4:06:fc:3b
Certificate

Issuer

CN=Thawte Timestamping CA,OU=Thawte Certification,O=Thawte,L=Durbanville,ST=Western Cape,C=ZA

Not Before

21/12/2012, 00:00

Not After

30/12/2020, 23:59

Subject

CN=Symantec Time Stamping Services CA - G2,O=Symantec Corporation,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

f4:37:ce:7b:5e:32:56:13:8f:38:a4:3f:97:34:c3:f5:c4:c7:dc:81:fc:bd:77:22:7f:63:ca:cb:0a:dd:da:26
Signer

Actual PE Digest

f4:37:ce:7b:5e:32:56:13:8f:38:a4:3f:97:34:c3:f5:c4:c7:dc:81:fc:bd:77:22:7f:63:ca:cb:0a:dd:da:26

Digest Algorithm

sha256

PE Digest Matches

false

22:06:25:c0:fd:ef:2a:39:7d:88:b6:79:3c:87:b4:62:5e:bd:8a:16
Signer

Actual PE Digest

22:06:25:c0:fd:ef:2a:39:7d:88:b6:79:3c:87:b4:62:5e:bd:8a:16

Digest Algorithm

sha1

PE Digest Matches

false

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_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE

Imports

mscoree

_CorExeMain

Sections

.text
Size: 2.4MB - Virtual size: 2.4MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rsrc
Size: 60KB - Virtual size: 60KB

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

f34d5f2d4577ed6d9ceec516c1f5a744

Code Sign

04:00:00:00:00:01:2f:4e:e1:52:d7Certificate

Key Usages

11:21:d6:99:a7:64:97:3e:f1:f8:42:7e:e9:19:cc:53:41:14Certificate

Extended Key Usages

Key Usages

2b:a7:21:42:24:82:95:02:08:d9:a1:7e:99:e1:98:dbCertificate

Extended Key Usages

Key Usages

3d:78:d7:f9:76:49:60:b2:61:7d:f4:f0:1e:ca:86:2aCertificate

Extended Key Usages

Key Usages

2b:a7:21:42:24:82:95:02:08:d9:a1:7e:99:e1:98:dbCertificate

Extended Key Usages

Key Usages

3d:78:d7:f9:76:49:60:b2:61:7d:f4:f0:1e:ca:86:2aCertificate

Extended Key Usages

Key Usages

5f:d6:93:fa:b0:98:e3:f4:67:7b:b8:cb:67:2c:22:9eCertificate

Extended Key Usages

Key Usages

Certificate

7e:93:eb:fb:7c:c6:4e:59:ea:4b:9a:77:d4:06:fc:3bCertificate

Extended Key Usages

Key Usages

f4:37:ce:7b:5e:32:56:13:8f:38:a4:3f:97:34:c3:f5:c4:c7:dc:81:fc:bd:77:22:7f:63:ca:cb:0a:dd:da:26Signer

22:06:25:c0:fd:ef:2a:39:7d:88:b6:79:3c:87:b4:62:5e:bd:8a:16Signer

Headers

DLL Characteristics

File Characteristics

Imports

mscoree

Sections

.text Size: 2.4MB - Virtual size: 2.4MB

.rsrc Size: 60KB - Virtual size: 60KB

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

04:00:00:00:00:01:2f:4e:e1:52:d7
Certificate

11:21:d6:99:a7:64:97:3e:f1:f8:42:7e:e9:19:cc:53:41:14
Certificate

2b:a7:21:42:24:82:95:02:08:d9:a1:7e:99:e1:98:db
Certificate

3d:78:d7:f9:76:49:60:b2:61:7d:f4:f0:1e:ca:86:2a
Certificate

2b:a7:21:42:24:82:95:02:08:d9:a1:7e:99:e1:98:db
Certificate

3d:78:d7:f9:76:49:60:b2:61:7d:f4:f0:1e:ca:86:2a
Certificate

5f:d6:93:fa:b0:98:e3:f4:67:7b:b8:cb:67:2c:22:9e
Certificate

7e:93:eb:fb:7c:c6:4e:59:ea:4b:9a:77:d4:06:fc:3b
Certificate

f4:37:ce:7b:5e:32:56:13:8f:38:a4:3f:97:34:c3:f5:c4:c7:dc:81:fc:bd:77:22:7f:63:ca:cb:0a:dd:da:26
Signer

22:06:25:c0:fd:ef:2a:39:7d:88:b6:79:3c:87:b4:62:5e:bd:8a:16
Signer

.text
Size: 2.4MB - Virtual size: 2.4MB

.rsrc
Size: 60KB - Virtual size: 60KB

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