KrnlUI[.]exe | Triage

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General

Target

KrnlUI.exe
Size

1.1MB
MD5

39ed86952a1e7926924a18802c0b75e4
SHA1

e7ad2a51e62fe68b1a82b17bcde347ab38c09ca3
SHA256

b84ceb86e9a8eba4d168f2cc6c9010c93779641e595f900aafe8cfef6165c126
SHA512

fe7b93af9bb2621148154389e6c7e1dca54c426df88fd09eab9b33763584a4eee837995d29f7dc1550acc4643c05f03a28b5a25e7019d7a4ceb70c238ae33bad
SSDEEP

24576:n/EMxzPTBanooMW/8umFbh8XucyPYTZP2:JPsu6wgTZP2

Score

1^/10

Malware Config

Signatures

Files

KrnlUI.exe
.exe windows 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

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

5f:1c:bc:8c:5c:3e:5f:6f:24:fd:3a:4f:e4:88:d6:28
Certificate

Issuer

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

Not Before

10-09-2021 16:35

Not After

08-09-2031 16:35

Subject

CN=SSL.com Timestamping Unit 2021,O=SSL Corp,L=Houston,ST=Texas,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature

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

4a:26:ca:8a:9e:e1:a7:00:79:eb:9d:80:24:0f:6b:e3:a4:9b:4a:a3:0b:6b:03:88:8e:72:ad:cf:5d:e7:36:c7
Signer

Actual PE Digest

4a:26:ca:8a:9e:e1:a7:00:79:eb:9d:80:24:0f:6b:e3:a4:9b:4a:a3:0b:6b:03:88:8e:72:ad:cf:5d:e7:36:c7

Digest Algorithm

sha256

PE Digest Matches

true

Signature Validations

Trusted

true

Verification

Signing Certificate

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

17-09-2022 21:34
Valid: true

Chain 1

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

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

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

Chain 2

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

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

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

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

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

Imports

mscoree

_CorExeMain

Sections

.text
Size: 1015KB - Virtual size: 1015KB

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

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

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

Key Usages

5f:1c:bc:8c:5c:3e:5f:6f:24:fd:3a:4f:e4:88:d6:28Certificate

Extended Key Usages

Key Usages

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

Extended Key Usages

Key Usages

4a:26:ca:8a:9e:e1:a7:00:79:eb:9d:80:24:0f:6b:e3:a4:9b:4a:a3:0b:6b:03:88:8e:72:ad:cf:5d:e7:36:c7Signer

Signature Validations

Verification

17-09-2022 21:34 Valid: true

Chain 1

Chain 2

Headers

DLL Characteristics

File Characteristics

Imports

mscoree

Sections

.text Size: 1015KB - Virtual size: 1015KB

.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

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

5f:1c:bc:8c:5c:3e:5f:6f:24:fd:3a:4f:e4:88:d6:28
Certificate

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

4a:26:ca:8a:9e:e1:a7:00:79:eb:9d:80:24:0f:6b:e3:a4:9b:4a:a3:0b:6b:03:88:8e:72:ad:cf:5d:e7:36:c7
Signer

17-09-2022 21:34
Valid: true

.text
Size: 1015KB - Virtual size: 1015KB

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

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