krnl_bootstrapper[.]exe

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General

Target

krnl_bootstrapper.exe
Size

1.2MB
MD5

7f634b0730f5496b57f0139cec34675e
SHA1

01d84e192fd8b72a6cfbc1212cdf269c267d1d00
SHA256

eea9969a61464c5b52fa7f0fc5ed5aa77cb24a3bee83e2448032b752dc8cb294
SHA512

8839d5c53353a327e6380caa341e73a239ec46a52161792e79836176b306bd2c895bcc7daaef2ee169f2064ba1db378d9c45f2671e154fdfb40be459243395ed
SSDEEP

12288:fBVCrK2jsP3zv+FSF68GANNhWLS0B6L+FOCN+AzrnxdanvzFzhC:5U7ecSgL6y+gk+rnxdarFI

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

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

7f:11:8b:f9:85:81:e2:43:7e:84:49:4c:7e:f7:6c:6c:fe:c9:16:11:51:9a:03:fd:aa:dd:02:23:09:dd:07:7c
Signer

Actual PE Digest

7f:11:8b:f9:85:81:e2:43:7e:84:49:4c:7e:f7:6c:6c:fe:c9:16:11:51:9a:03:fd:aa:dd:02:23:09:dd:07:7c

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

Imports

mscoree

_CorExeMain

Sections

.text
Size: 919KB - Virtual size: 919KB

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

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

7f:11:8b:f9:85:81:e2:43:7e:84:49:4c:7e:f7:6c:6c:fe:c9:16:11:51:9a:03:fd:aa:dd:02:23:09:dd:07:7cSigner

Headers

DLL Characteristics

File Characteristics

Imports

mscoree

Sections

.text Size: 919KB - Virtual size: 919KB

.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

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

7f:11:8b:f9:85:81:e2:43:7e:84:49:4c:7e:f7:6c:6c:fe:c9:16:11:51:9a:03:fd:aa:dd:02:23:09:dd:07:7c
Signer

.text
Size: 919KB - Virtual size: 919KB

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

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