krnl_bootstrapper[.]exe

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General

Target

krnl_bootstrapper.exe
Size

1.2MB
MD5

f14153bbd95fc26d9ccea77c49cf09b9
SHA1

cb59f900711ea751c4322b4dab50fa2c0ee70b33
SHA256

27eab496d0b63d52c18cee063110d9d479523b58426bfcb58e420a5cae087c54
SHA512

7f7618cf6f15d85e82cbfff07ca6e1df0aa763d64d6a37fb659f1612b950d16a15b723ec053765e991485e74a7301617019b166dcaa759ed6f1a281a9ebc4ed0
SSDEEP

12288:aBVCrK2jsP3zv+FSF68GANNhWLS0B6L+FOCN+AzrnxdanvzFzho:SU7ecSgL6y+gk+rnxdarFu

Score

1^/10

Malware Config

Signatures

Files

krnl_bootstrapper.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

36:00:10:3a:2f:c9:ad:2a:d6:47:99:f2:1c:10:6c:5b:a5:1d:f2:17:a7:25:1e:d0:f9:fd:3e:1f:16:15:32:07
Signer

Actual PE Digest

36:00:10:3a:2f:c9:ad:2a:d6:47:99:f2:1c:10:6c:5b:a5:1d:f2:17:a7:25:1e:d0:f9:fd:3e:1f:16:15:32:07

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

20-09-2022 14:43
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: 917KB - Virtual size: 917KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rsrc
Size: 250KB - Virtual size: 250KB

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

36:00:10:3a:2f:c9:ad:2a:d6:47:99:f2:1c:10:6c:5b:a5:1d:f2:17:a7:25:1e:d0:f9:fd:3e:1f:16:15:32:07Signer

Signature Validations

Verification

20-09-2022 14:43 Valid: true

Chain 1

Chain 2

Headers

DLL Characteristics

File Characteristics

Imports

mscoree

Sections

.text Size: 917KB - Virtual size: 917KB

.rsrc Size: 250KB - Virtual size: 250KB

.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

36:00:10:3a:2f:c9:ad:2a:d6:47:99:f2:1c:10:6c:5b:a5:1d:f2:17:a7:25:1e:d0:f9:fd:3e:1f:16:15:32:07
Signer

20-09-2022 14:43
Valid: true

.text
Size: 917KB - Virtual size: 917KB

.rsrc
Size: 250KB - Virtual size: 250KB

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