Neuco PO # 572449[.]tar[.]gz[.]exe[.]gz

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General

Target

Neuco PO # 572449.tar.gz.exe.gz
Size

93KB
MD5

7138bd28490d76b056e8aea15ab0cb14
SHA1

9e92ae3f76170362b721030ab42910d0cc6c8a3e
SHA256

fd77641f06334a337f304443dc4bd15ecaffa57c2998b5b85ce81ea53be09d42
SHA512

aae3f362de44373935a85226375193c96bf87a5f809abfb5e1b6d579846f0dcb1c3032adb4ef92405587626b157c87b903dd86df5da8c1c8164120cee4a0eb8d
SSDEEP

1536:Jpd99v5/fQxDZbIEgL7zbeenk2ewX9I4zoP7TPxdF8o75F943hh:n95/fQxDZDub3nrR91kPfxvXX4

Score

7^/10

Malware Config

Signatures

.NET Reactor proctector 2 IoCs

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

resource	yara_rule
sample	net_reactor
static1/unpack001/Neuco PO # 572449.exe	net_reactor

Files

Neuco PO # 572449.tar.gz.exe.gz
.tar
Neuco PO # 572449.exe
.exe windows x86

f34d5f2d4577ed6d9ceec516c1f5a744

Code Sign

0e:9b:18:8e:f9:d0:2d:e7:ef:db:50:e2:08:40:18:5a
Certificate

Issuer

CN=DigiCert Assured ID Root CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

01/08/2022, 00:00

Not After

09/11/2031, 23:59

Subject

CN=DigiCert Trusted Root G4,OU=www.digicert.com,O=DigiCert Inc,C=US

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

07:36:37:b7:24:54:7c:d8:47:ac:fd:28:66:2a:5e:5b
Certificate

Issuer

CN=DigiCert Trusted Root G4,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

23/03/2022, 00:00

Not After

22/03/2037, 23:59

Subject

CN=DigiCert Trusted G4 RSA4096 SHA256 TimeStamping CA,O=DigiCert\, Inc.,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

08:ad:40:b2:60:d2:9c:4c:9f:5e:cd:a9:bd:93:ae:d9
Certificate

Issuer

CN=DigiCert Trusted Root G4,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

29/04/2021, 00:00

Not After

28/04/2036, 23:59

Subject

CN=DigiCert Trusted G4 Code Signing RSA4096 SHA384 2021 CA1,O=DigiCert\, Inc.,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

0c:4d:69:72:4b:94:fa:3c:2a:4a:3d:29:07:80:3d:5a
Certificate

Issuer

CN=DigiCert Trusted G4 RSA4096 SHA256 TimeStamping CA,O=DigiCert\, Inc.,C=US

Not Before

21/09/2022, 00:00

Not After

21/11/2033, 23:59

Subject

CN=DigiCert Timestamp 2022 - 2,O=DigiCert,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature

0d:bf:15:2d:ea:f0:b9:81:a8:a9:38:d5:3f:76:9d:b8
Certificate

Issuer

CN=DigiCert Trusted G4 Code Signing RSA4096 SHA384 2021 CA1,O=DigiCert\, Inc.,C=US

Not Before

13/12/2021, 00:00

Not After

08/01/2025, 23:59

Subject

CN=philandro Software GmbH,O=philandro Software GmbH,L=Stuttgart,ST=Baden-Württemberg,C=DE

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

08:ad:40:b2:60:d2:9c:4c:9f:5e:cd:a9:bd:93:ae:d9
Certificate

Issuer

CN=DigiCert Trusted Root G4,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

29/04/2021, 00:00

Not After

28/04/2036, 23:59

Subject

CN=DigiCert Trusted G4 Code Signing RSA4096 SHA384 2021 CA1,O=DigiCert\, Inc.,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

0d:bf:15:2d:ea:f0:b9:81:a8:a9:38:d5:3f:76:9d:b8
Certificate

Issuer

CN=DigiCert Trusted G4 Code Signing RSA4096 SHA384 2021 CA1,O=DigiCert\, Inc.,C=US

Not Before

13/12/2021, 00:00

Not After

08/01/2025, 23:59

Subject

CN=philandro Software GmbH,O=philandro Software GmbH,L=Stuttgart,ST=Baden-Württemberg,C=DE

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

7b:05:b1:d4:49:68:51:44:f7:c9:89:d2:9c:19:9d:12
Certificate

Issuer

CN=VeriSign Universal Root Certification Authority,OU=VeriSign Trust Network+OU=(c) 2008 VeriSign\, Inc. - For authorized use only,O=VeriSign\, Inc.,C=US

Not Before

12/01/2016, 00:00

Not After

11/01/2031, 23:59

Subject

CN=Symantec SHA256 TimeStamping CA,OU=Symantec Trust Network,O=Symantec Corporation,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

7b:d4:e5:af:ba:cc:07:3f:a1:01:23:04:22:41:4d:12
Certificate

Issuer

CN=Symantec SHA256 TimeStamping CA,OU=Symantec Trust Network,O=Symantec Corporation,C=US

Not Before

23/12/2017, 00:00

Not After

22/03/2029, 23:59

Subject

CN=Symantec SHA256 TimeStamping Signer - G3,OU=Symantec Trust Network,O=Symantec Corporation,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature

6b:1d:d3:61:7f:92:35:88:c9:85:5a:ec:4d:62:7f:40:7e:70:4b:b7:e8:5a:f6:dd:b3:82:da:a4:e3:6c:1a:83
Signer

Actual PE Digest

6b:1d:d3:61:7f:92:35:88:c9:85:5a:ec:4d:62:7f:40:7e:70:4b:b7:e8:5a:f6:dd:b3:82:da:a4:e3:6c:1a:83

Digest Algorithm

sha256

PE Digest Matches

false

Signature Validations

Trusted

true

Verification

Signing Certificate

CN=philandro Software GmbH,O=philandro Software GmbH,L=Stuttgart,ST=Baden-Württemberg,C=DE

25/01/2023, 11:25
Valid: true

Chain 1

CN=philandro Software GmbH,O=philandro Software GmbH,L=Stuttgart,ST=Baden-Württemberg,C=DE

CN=DigiCert Trusted G4 Code Signing RSA4096 SHA384 2021 CA1,O=DigiCert\, Inc.,C=US

CN=DigiCert Trusted Root G4,OU=www.digicert.com,O=DigiCert Inc,C=US

Chain 2

CN=philandro Software GmbH,O=philandro Software GmbH,L=Stuttgart,ST=Baden-Württemberg,C=DE

CN=DigiCert Trusted G4 Code Signing RSA4096 SHA384 2021 CA1,O=DigiCert\, Inc.,C=US

CN=DigiCert Trusted Root G4,OU=www.digicert.com,O=DigiCert Inc,C=US

CN=DigiCert Assured ID Root CA,OU=www.digicert.com,O=DigiCert Inc,C=US

46:74:2c:ac:f6:7a:2a:70:ba:b0:81:91:af:6e:ce:06:f9:46:aa:23
Signer

Actual PE Digest

46:74:2c:ac:f6:7a:2a:70:ba:b0:81:91:af:6e:ce:06:f9:46:aa:23

Digest Algorithm

sha1

PE Digest Matches

false

Signature Validations

Trusted

true

Verification

Signing Certificate

CN=philandro Software GmbH,O=philandro Software GmbH,L=Stuttgart,ST=Baden-Württemberg,C=DE

25/01/2023, 11:25
Valid: true

Chain 1

CN=philandro Software GmbH,O=philandro Software GmbH,L=Stuttgart,ST=Baden-Württemberg,C=DE

CN=DigiCert Trusted G4 Code Signing RSA4096 SHA384 2021 CA1,O=DigiCert\, Inc.,C=US

CN=DigiCert Trusted Root G4,OU=www.digicert.com,O=DigiCert Inc,C=US

Chain 2

CN=philandro Software GmbH,O=philandro Software GmbH,L=Stuttgart,ST=Baden-Württemberg,C=DE

CN=DigiCert Trusted G4 Code Signing RSA4096 SHA384 2021 CA1,O=DigiCert\, Inc.,C=US

CN=DigiCert Trusted Root G4,OU=www.digicert.com,O=DigiCert Inc,C=US

CN=DigiCert Assured ID Root CA,OU=www.digicert.com,O=DigiCert Inc,C=US

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_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE

Imports

mscoree

_CorExeMain

Sections

.text
Size: 66KB - Virtual size: 65KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rsrc
Size: 7KB - Virtual size: 6KB

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

0e:9b:18:8e:f9:d0:2d:e7:ef:db:50:e2:08:40:18:5aCertificate

Key Usages

07:36:37:b7:24:54:7c:d8:47:ac:fd:28:66:2a:5e:5bCertificate

Extended Key Usages

Key Usages

08:ad:40:b2:60:d2:9c:4c:9f:5e:cd:a9:bd:93:ae:d9Certificate

Extended Key Usages

Key Usages

0c:4d:69:72:4b:94:fa:3c:2a:4a:3d:29:07:80:3d:5aCertificate

Extended Key Usages

Key Usages

0d:bf:15:2d:ea:f0:b9:81:a8:a9:38:d5:3f:76:9d:b8Certificate

Extended Key Usages

Key Usages

08:ad:40:b2:60:d2:9c:4c:9f:5e:cd:a9:bd:93:ae:d9Certificate

Extended Key Usages

Key Usages

0d:bf:15:2d:ea:f0:b9:81:a8:a9:38:d5:3f:76:9d:b8Certificate

Extended Key Usages

Key Usages

7b:05:b1:d4:49:68:51:44:f7:c9:89:d2:9c:19:9d:12Certificate

Extended Key Usages

Key Usages

7b:d4:e5:af:ba:cc:07:3f:a1:01:23:04:22:41:4d:12Certificate

Extended Key Usages

Key Usages

6b:1d:d3:61:7f:92:35:88:c9:85:5a:ec:4d:62:7f:40:7e:70:4b:b7:e8:5a:f6:dd:b3:82:da:a4:e3:6c:1a:83Signer

Signature Validations

Verification

25/01/2023, 11:25 Valid: true

Chain 1

Chain 2

46:74:2c:ac:f6:7a:2a:70:ba:b0:81:91:af:6e:ce:06:f9:46:aa:23Signer

Signature Validations

Verification

25/01/2023, 11:25 Valid: true

Chain 1

Chain 2

Headers

DLL Characteristics

File Characteristics

Imports

mscoree

Sections

.text Size: 66KB - Virtual size: 65KB

.rsrc Size: 7KB - Virtual size: 6KB

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

0e:9b:18:8e:f9:d0:2d:e7:ef:db:50:e2:08:40:18:5a
Certificate

07:36:37:b7:24:54:7c:d8:47:ac:fd:28:66:2a:5e:5b
Certificate

08:ad:40:b2:60:d2:9c:4c:9f:5e:cd:a9:bd:93:ae:d9
Certificate

0c:4d:69:72:4b:94:fa:3c:2a:4a:3d:29:07:80:3d:5a
Certificate

0d:bf:15:2d:ea:f0:b9:81:a8:a9:38:d5:3f:76:9d:b8
Certificate

08:ad:40:b2:60:d2:9c:4c:9f:5e:cd:a9:bd:93:ae:d9
Certificate

0d:bf:15:2d:ea:f0:b9:81:a8:a9:38:d5:3f:76:9d:b8
Certificate

7b:05:b1:d4:49:68:51:44:f7:c9:89:d2:9c:19:9d:12
Certificate

7b:d4:e5:af:ba:cc:07:3f:a1:01:23:04:22:41:4d:12
Certificate

6b:1d:d3:61:7f:92:35:88:c9:85:5a:ec:4d:62:7f:40:7e:70:4b:b7:e8:5a:f6:dd:b3:82:da:a4:e3:6c:1a:83
Signer

25/01/2023, 11:25
Valid: true

46:74:2c:ac:f6:7a:2a:70:ba:b0:81:91:af:6e:ce:06:f9:46:aa:23
Signer

25/01/2023, 11:25
Valid: true

.text
Size: 66KB - Virtual size: 65KB

.rsrc
Size: 7KB - Virtual size: 6KB

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