krnlhost[.]exe

Sharing

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General

Target

krnlhost.exe
Size

240KB
MD5

1de6facf3a40c72a4ff657f3683227a6
SHA1

19072b189b9b3e9f44b939f0a6924d4f50d99c46
SHA256

4458783c4574abe7e42dd55e493e0b4283cc6003a4851b95347a310a0ff7d66b
SHA512

f8443a375b4b2f3d8396466e2e8d85502b837b446c191600af8a2150fe40cb31e028b2a28f6c09f31fae916dd4f5e25a4410103bbe8da5a641e880022e5d7eec
SSDEEP

3072:9c2LG74UjYJ++fvFeA8SYUZFRjS82cxTDZkrwLY31ObUboY46Yyd6i33fXh/m:nnU0J5nFeQlZjjS8m5bohW3PX9m

Score

1^/10

Malware Config

Signatures

Files

krnlhost.exe
.exe windows:6 windows x64 arch:x64

f439b5ea67e9027f4b382269ee6fbd9e

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

05:9b:1b:57:9e:8e:21:32:e2:39:07:bd:a7:77:75:5c
Certificate

Issuer

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

Not Before

01/08/2013, 12:00

Not After

15/01/2038, 12:00

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

05:44:af:f3:94:9d:08:39:a6:bf:db:3f:5f:e5:61:16
Certificate

Issuer

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

Not Before

14/07/2023, 00:00

Not After

13/10/2034, 23:59

Subject

CN=DigiCert Timestamp 2023,O=DigiCert\, Inc.,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature

06:89:b3:bc:eb:44:09:89:0a:32:d7:19:76:b1:32:a4
Certificate

Issuer

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

Not Before

07/10/2021, 00:00

Not After

09/10/2024, 23:59

Subject

CN=Valve Corp.,O=Valve Corp.,L=Bellevue,ST=Washington,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

bc:84:29:a4:71:fa:62:92:aa:64:b6:4f:8b:50:72:a7:29:1e:40:79:69:62:55:82:3d:9f:9c:97:13:a9:d7:bc
Signer

Actual PE Digest

bc:84:29:a4:71:fa:62:92:aa:64:b6:4f:8b:50:72:a7:29:1e:40:79:69:62:55:82:3d:9f:9c:97:13:a9:d7:bc

Digest Algorithm

sha256

PE Digest Matches

false

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE

PDB Paths

Y:\zzz\pr\c++\spectator_cryptor\x64\Release\spectator_cryptor.pdb

Imports

kernel32

GetThreadContext
SetThreadContext
VirtualAllocEx
ReadProcessMemory
CreateProcessA
GetModuleHandleA
GetProcAddress
LoadLibraryA
SetEndOfFile
ResumeThread
GetLastError
GetModuleFileNameA
WriteProcessMemory
SetCurrentDirectoryA
EnterCriticalSection
LeaveCriticalSection
InitializeCriticalSectionEx
DeleteCriticalSection
EncodePointer
DecodePointer
MultiByteToWideChar
WideCharToMultiByte
LCMapStringEx
GetStringTypeW
GetCPInfo
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
IsDebuggerPresent
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetStartupInfoW
IsProcessorFeaturePresent
GetModuleHandleW
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
GetCurrentProcess
TerminateProcess
RtlPcToFileHeader
RaiseException
RtlUnwindEx
SetLastError
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
FreeLibrary
LoadLibraryExW
GetCommandLineA
GetCommandLineW
ExitProcess
GetModuleHandleExW
GetModuleFileNameW
GetStdHandle
WriteFile
HeapFree
HeapAlloc
LCMapStringW
GetLocaleInfoW
IsValidLocale
GetUserDefaultLCID
EnumSystemLocalesW
GetFileType
CloseHandle
FlushFileBuffers
GetConsoleOutputCP
GetConsoleMode
ReadFile
GetFileSizeEx
SetFilePointerEx
ReadConsoleW
HeapReAlloc
FindClose
FindFirstFileExW
FindNextFileW
IsValidCodePage
GetACP
GetOEMCP
GetEnvironmentStringsW
FreeEnvironmentStringsW
GetProcessHeap
SetStdHandle
CreateFileW
HeapSize
WriteConsoleW
RtlUnwind

advapi32

RegSetValueExA
RegOpenKeyExA
RegCloseKey
RegGetValueA

Sections

.text
Size: 142KB - Virtual size: 142KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 69KB - Virtual size: 68KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 4KB - Virtual size: 9KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 8KB - Virtual size: 8KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

_RDATA
Size: 512B - Virtual size: 244B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 512B - Virtual size: 480B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 2KB - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

f439b5ea67e9027f4b382269ee6fbd9e

Code Sign

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

Key Usages

05:9b:1b:57:9e:8e:21:32:e2:39:07:bd:a7:77:75:5cCertificate

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

05:44:af:f3:94:9d:08:39:a6:bf:db:3f:5f:e5:61:16Certificate

Extended Key Usages

Key Usages

06:89:b3:bc:eb:44:09:89:0a:32:d7:19:76:b1:32:a4Certificate

Extended Key Usages

Key Usages

bc:84:29:a4:71:fa:62:92:aa:64:b6:4f:8b:50:72:a7:29:1e:40:79:69:62:55:82:3d:9f:9c:97:13:a9:d7:bcSigner

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

kernel32

advapi32

Sections

.text Size: 142KB - Virtual size: 142KB

.rdata Size: 69KB - Virtual size: 68KB

.data Size: 4KB - Virtual size: 9KB

.pdata Size: 8KB - Virtual size: 8KB

_RDATA Size: 512B - Virtual size: 244B

.rsrc Size: 512B - Virtual size: 480B

.reloc Size: 2KB - Virtual size: 2KB

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

05:9b:1b:57:9e:8e:21:32:e2:39:07:bd:a7:77:75:5c
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

05:44:af:f3:94:9d:08:39:a6:bf:db:3f:5f:e5:61:16
Certificate

06:89:b3:bc:eb:44:09:89:0a:32:d7:19:76:b1:32:a4
Certificate

bc:84:29:a4:71:fa:62:92:aa:64:b6:4f:8b:50:72:a7:29:1e:40:79:69:62:55:82:3d:9f:9c:97:13:a9:d7:bc
Signer

.text
Size: 142KB - Virtual size: 142KB

.rdata
Size: 69KB - Virtual size: 68KB

.data
Size: 4KB - Virtual size: 9KB

.pdata
Size: 8KB - Virtual size: 8KB

_RDATA
Size: 512B - Virtual size: 244B

.rsrc
Size: 512B - Virtual size: 480B

.reloc
Size: 2KB - Virtual size: 2KB