Krnl[.]exe | Triage

Resubmissions

09-09-2023 08:34

230909-kggytaab5s 3

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General

Target

Krnl.exe
Size

1.8MB
MD5

872117083fbe6c4334b6ba82e7cb5cb5
SHA1

511a38e2f916359dcd4b2e61c5ba477273d0885e
SHA256

11dc2aa2ed6377baf8018be039ac725edc56720171380f78a9efee01b645d1be
SHA512

e10a44fcf99ebd69bf8edc18f68eb8f97428a7746f1146b0d420ad5848a8d69d07a1867fc97ccf395c81ced1b3e6444663e316cf7e6084027858ec1b06d84a2e
SSDEEP

24576:CPABanooMW/8umFbh8A0SsKFucT+KNgxyscRU7ecSgL6y+gk+rnxdarF7PJ:CP1uB0SV1+KSxyrRUzS65+x+rnxYrZPJ

Score

1^/10

Malware Config

Signatures

Files

Krnl.exe
.exe windows:4 windows x86 arch:x86

f34d5f2d4577ed6d9ceec516c1f5a744

Code Sign

e4:27:04:95:f6:8c:91:d6:d0:ec:7b:49:4e:a4:df:1c
Certificate

Issuer

CN=Certum Trusted Network CA,OU=Certum Certification Authority,O=Unizeto Technologies S.A.,C=PL

Not Before

11-09-2018 09:26

Not After

11-09-2023 09:26

Subject

CN=SSL.com Root Certification Authority RSA,O=SSL Corporation,L=Houston,ST=Texas,C=US

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

57:31:0a:52:95:de:1e:ed:32:44:3f:c1:de:14:f1:7d
Certificate

Issuer

CN=SSL.com Code Signing Intermediate CA RSA R1,O=SSL Corp,L=Houston,ST=Texas,C=US

Not Before

19-07-2022 20:24

Not After

18-07-2024 20:24

Subject

CN=1305119 B.C. Ltd,O=1305119 B.C. Ltd,L=North Vancouver,ST=British Columbia,C=CA

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

64:33:51:d3:c7:38:9f:08
Certificate

Issuer

CN=SSL.com Root Certification Authority RSA,O=SSL Corporation,L=Houston,ST=Texas,C=US

Not Before

24-06-2016 20:44

Not After

24-06-2031 20:44

Subject

CN=SSL.com Code Signing Intermediate CA RSA R1,O=SSL Corp,L=Houston,ST=Texas,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

1a:d6:08:a7:d6:34:b5:cd:de:97:cb:a3:cc:f0:d0:4b
Certificate

Issuer

CN=SSL.com Timestamping Issuing RSA CA R1,O=SSL Corp,L=Houston,ST=Texas,C=US

Not Before

09-12-2022 18:30

Not After

06-12-2032 18:30

Subject

CN=SSL.com Timestamping Unit 2022,O=SSL Corp,L=Houston,ST=Texas,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature

e4:27:04:95:f6:8c:91:d6:d0:ec:7b:49:4e:a4:df:1c
Certificate

Issuer

CN=Certum Trusted Network CA,OU=Certum Certification Authority,O=Unizeto Technologies S.A.,C=PL

Not Before

11-09-2018 09:26

Not After

11-09-2023 09:26

Subject

CN=SSL.com Root Certification Authority RSA,O=SSL Corporation,L=Houston,ST=Texas,C=US

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

6d:52:18:70:87:e8:23:4d:85:60:00:d0:80:8f:93:56
Certificate

Issuer

CN=SSL.com Root Certification Authority RSA,O=SSL Corporation,L=Houston,ST=Texas,C=US

Not Before

13-11-2019 18:50

Not After

12-11-2034 18:50

Subject

CN=SSL.com Timestamping Issuing RSA CA R1,O=SSL Corp,L=Houston,ST=Texas,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

7c:d2:f4:78:2c:cd:51:7b:a9:2a:3e:a8:a2:2c:11:31:d2:9d:51:69:5b:b2:a1:ab:a9:3d:83:fc:ff:a8:ce:9e
Signer

Actual PE Digest

7c:d2:f4:78:2c:cd:51:7b:a9:2a:3e:a8:a2:2c:11:31:d2:9d:51:69:5b:b2:a1:ab:a9:3d:83:fc:ff:a8:ce:9e

Digest Algorithm

sha256

PE Digest Matches

true

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_LARGE_ADDRESS_AWARE

PDB Paths

F:\Work\KrnlUI-main\Krnl\obj\Release\Krnl.pdb

Imports

mscoree

_CorExeMain

Sections

.text
Size: 1.7MB - Virtual size: 1.7MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rsrc
Size: 106KB - Virtual size: 105KB

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

Resubmissions

Sharing

General

Malware Config

Signatures

Files

f34d5f2d4577ed6d9ceec516c1f5a744

Code Sign

e4:27:04:95:f6:8c:91:d6:d0:ec:7b:49:4e:a4:df:1cCertificate

Key Usages

57:31:0a:52:95:de:1e:ed:32:44:3f:c1:de:14:f1:7dCertificate

Extended Key Usages

Key Usages

64:33:51:d3:c7:38:9f:08Certificate

Extended Key Usages

Key Usages

1a:d6:08:a7:d6:34:b5:cd:de:97:cb:a3:cc:f0:d0:4bCertificate

Extended Key Usages

Key Usages

e4:27:04:95:f6:8c:91:d6:d0:ec:7b:49:4e:a4:df:1cCertificate

Key Usages

6d:52:18:70:87:e8:23:4d:85:60:00:d0:80:8f:93:56Certificate

Extended Key Usages

Key Usages

7c:d2:f4:78:2c:cd:51:7b:a9:2a:3e:a8:a2:2c:11:31:d2:9d:51:69:5b:b2:a1:ab:a9:3d:83:fc:ff:a8:ce:9eSigner

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

mscoree

Sections

.text Size: 1.7MB - Virtual size: 1.7MB

.rsrc Size: 106KB - Virtual size: 105KB

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

e4:27:04:95:f6:8c:91:d6:d0:ec:7b:49:4e:a4:df:1c
Certificate

57:31:0a:52:95:de:1e:ed:32:44:3f:c1:de:14:f1:7d
Certificate

64:33:51:d3:c7:38:9f:08
Certificate

1a:d6:08:a7:d6:34:b5:cd:de:97:cb:a3:cc:f0:d0:4b
Certificate

e4:27:04:95:f6:8c:91:d6:d0:ec:7b:49:4e:a4:df:1c
Certificate

6d:52:18:70:87:e8:23:4d:85:60:00:d0:80:8f:93:56
Certificate

7c:d2:f4:78:2c:cd:51:7b:a9:2a:3e:a8:a2:2c:11:31:d2:9d:51:69:5b:b2:a1:ab:a9:3d:83:fc:ff:a8:ce:9e
Signer

.text
Size: 1.7MB - Virtual size: 1.7MB

.rsrc
Size: 106KB - Virtual size: 105KB

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