Krnl (v2[.]0[.]1)[.]zip

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General

Target

Krnl (v2.0.1).zip
Size

14.2MB
MD5

6fe8867478bd7d06cead2ef6c1e5f0ea
SHA1

c824ec089cb397b7681accfea548c39fb7e25a70
SHA256

0734f57d4f88fef255e5b31304ccde5c79e0cb3b7ff456a80440dee7250518aa
SHA512

20a86ac65e1e6b7df4587e623cef4ecea6ec2e133481f7c6195d5fb474e1bcd1c665785b7daaecbb40cdb8148e339e0aaa3cfc2b0f1f7721469df0597045f81b
SSDEEP

393216:LOpeCi+omcvYZ7yYG6z+kS+7LWvXr1Uaekvs:qeUkAZ7yNC+ksvXrFE

Score

3^/10

Malware Config

Signatures

Unsigned PE 4 IoCs

Checks for missing Authenticode signature.

resource
unpack001/KRNLWRD/Bunifu_UI_v1.5.3.dll
unpack001/KRNLWRD/ScintillaNET.dll
unpack001/KRNLWRD/injector.dll
unpack001/KRNLWRD/krnl.dll

Files

Krnl (v2.0.1).zip
.zip
KRNLWRD/Bunifu_UI_v1.5.3.dll
.dll windows x86

dae02f32a21e03ce65412f6e56942daa

Headers

DLL Characteristics

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_32BIT_MACHINE
IMAGE_FILE_DLL

Imports

mscoree

_CorDllMain

Sections

.text
Size: 234KB - Virtual size: 233KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rsrc
Size: 1KB - Virtual size: 1KB

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
KRNLWRD/KRNL.exe
.exe windows x64

0b5552dccd9d0a834cea55c0c8fc05be

Code Sign

48:fc:93:b4:60:55:94:8d:36:a7:c9:8a:89:d6:94:16
Certificate

Issuer

CN=AAA Certificate Services,O=Comodo CA Limited,L=Salford,ST=Greater Manchester,C=GB

Not Before

25/05/2021, 00:00

Not After

31/12/2028, 23:59

Subject

CN=Sectigo Public Code Signing Root R46,O=Sectigo Limited,C=GB

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

33:d7:08:a8:91:40:53:19:e2:a5:bb:d3:39:b9:ad:6e
Certificate

Issuer

CN=Sectigo Public Code Signing Root R46,O=Sectigo Limited,C=GB

Not Before

22/03/2021, 00:00

Not After

21/03/2036, 23:59

Subject

CN=Sectigo Public Code Signing CA EV R36,O=Sectigo Limited,C=GB

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

bf:b1:50:01:bb:f5:92:d4:96:2a:77:97:ea:73:6f:a3
Certificate

Issuer

CN=Sectigo Public Code Signing CA EV R36,O=Sectigo Limited,C=GB

Not Before

29/09/2021, 00:00

Not After

28/09/2024, 23:59

Subject

SERIALNUMBER=407950,CN=Akeo Consulting,O=Akeo Consulting,ST=Donegal,C=IE,2.5.4.15=#131450726976617465204f7267616e697a6174696f6e,1.3.6.1.4.1.311.60.2.1.3=#13024945

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

7b:05:b1:d4:49:68:51:44:f7:c9:89:d2:9c:19:9d:12
Certificate

Issuer

CN=VeriSign Universal Root Certification Authority,OU=VeriSign Trust Network+OU=(c) 2008 VeriSign\, Inc. - For authorized use only,O=VeriSign\, Inc.,C=US

Not Before

12/01/2016, 00:00

Not After

11/01/2031, 23:59

Subject

CN=Symantec SHA256 TimeStamping CA,OU=Symantec Trust Network,O=Symantec Corporation,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

7b:d4:e5:af:ba:cc:07:3f:a1:01:23:04:22:41:4d:12
Certificate

Issuer

CN=Symantec SHA256 TimeStamping CA,OU=Symantec Trust Network,O=Symantec Corporation,C=US

Not Before

23/12/2017, 00:00

Not After

22/03/2029, 23:59

Subject

CN=Symantec SHA256 TimeStamping Signer - G3,OU=Symantec Trust Network,O=Symantec Corporation,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature

ad:bf:7d:13:c9:80:3c:ae:ac:bc:29:4f:9b:cd:b7:ea:0c:17:a5:f2:6e:71:98:83:a8:f6:a0:57:b8:5c:56:06
Signer

Actual PE Digest

ad:bf:7d:13:c9:80:3c:ae:ac:bc:29:4f:9b:cd:b7:ea:0c:17:a5:f2:6e:71:98:83:a8:f6:a0:57:b8:5c:56:06

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_GUARD_CF
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE

Imports

user32

CreateWindowExW
MessageBoxW
MessageBoxA
SystemParametersInfoW
DestroyIcon
SetWindowLongPtrW
GetWindowLongPtrW
GetClientRect
InvalidateRect
ReleaseDC
GetDC
DrawTextW
GetDialogBaseUnits
EndDialog
DialogBoxIndirectParamW
MoveWindow
SendMessageW

comctl32

ord380

kernel32

GetStringTypeW
GetFileAttributesExW
HeapReAlloc
FlushFileBuffers
GetCurrentDirectoryW
IsValidCodePage
GetACP
GetModuleHandleW
MulDiv
GetLastError
SetDllDirectoryW
GetModuleFileNameW
GetProcAddress
GetCommandLineW
GetEnvironmentVariableW
GetOEMCP
ExpandEnvironmentStringsW
CreateDirectoryW
GetTempPathW
WaitForSingleObject
Sleep
GetExitCodeProcess
CreateProcessW
GetStartupInfoW
FreeLibrary
LoadLibraryExW
SetConsoleCtrlHandler
FindClose
FindFirstFileExW
CloseHandle
GetCurrentProcess
LocalFree
FormatMessageW
MultiByteToWideChar
WideCharToMultiByte
GetCPInfo
GetEnvironmentStringsW
FreeEnvironmentStringsW
GetProcessHeap
GetTimeZoneInformation
HeapSize
WriteConsoleW
SetEnvironmentVariableW
RtlUnwindEx
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
TerminateProcess
IsProcessorFeaturePresent
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
IsDebuggerPresent
SetEndOfFile
SetLastError
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
EncodePointer
RaiseException
RtlPcToFileHeader
GetCommandLineA
CreateFileW
GetDriveTypeW
GetFileInformationByHandle
GetFileType
PeekNamedPipe
SystemTimeToTzSpecificLocalTime
FileTimeToSystemTime
GetFullPathNameW
RemoveDirectoryW
FindNextFileW
SetStdHandle
DeleteFileW
ReadFile
GetStdHandle
WriteFile
ExitProcess
GetModuleHandleExW
HeapFree
GetConsoleMode
ReadConsoleW
SetFilePointerEx
GetConsoleOutputCP
GetFileSizeEx
HeapAlloc
FlsAlloc
FlsGetValue
FlsSetValue
FlsFree
CompareStringW
LCMapStringW

advapi32

OpenProcessToken
GetTokenInformation
ConvertStringSecurityDescriptorToSecurityDescriptorW
ConvertSidToStringSidW

gdi32

SelectObject
DeleteObject
CreateFontIndirectW

Sections

.text
Size: 162KB - Virtual size: 162KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 75KB - Virtual size: 74KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 3KB - Virtual size: 64KB

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: 348B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 25KB - Virtual size: 25KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 2KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
KRNLWRD/ScintillaNET.dll
.dll windows x86

dae02f32a21e03ce65412f6e56942daa

Headers

DLL Characteristics

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
IMAGE_FILE_DLL

Imports

mscoree

_CorDllMain

Sections

.text
Size: 1.3MB - Virtual size: 1.3MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rsrc
Size: 1KB - Virtual size: 1KB

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
KRNLWRD/autoexec.lnk
.lnk
KRNLWRD/injector.dll
.dll windows x86

d588e0751eeca8d75865b11d7d0b6027

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DLL

Imports

kernel32

OpenProcess
CreateToolhelp32Snapshot
GetExitCodeThread
CloseHandle
Module32FirstW
GetProcAddress
VirtualAllocEx
GetFileAttributesW
ReadProcessMemory
GetModuleHandleW
WideCharToMultiByte
CreateRemoteThread
Module32NextW
VirtualFreeEx
SetUnhandledExceptionFilter
WaitForSingleObject
LocalFree
WriteProcessMemory
GetCurrentProcess
TerminateProcess
IsProcessorFeaturePresent
QueryPerformanceCounter
UnhandledExceptionFilter
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
DisableThreadLibraryCalls
InitializeSListHead
IsDebuggerPresent

advapi32

SetNamedSecurityInfoW
GetNamedSecurityInfoW
ConvertStringSidToSidW
SetEntriesInAclW

msvcp140

?_Xout_of_range@std@@YAXPBD@Z
?_Xlength_error@std@@YAXPBD@Z

vcruntime140

__CxxFrameHandler3
__std_exception_destroy
_except_handler4_common
memset
__std_type_info_destroy_list
_CxxThrowException
__std_exception_copy
memcpy

api-ms-win-crt-heap-l1-1-0

_callnewh
free
malloc

api-ms-win-crt-runtime-l1-1-0

_cexit
_initialize_narrow_environment
_configure_narrow_argv
_seh_filter_dll
_initterm_e
_initterm
_initialize_onexit_table
_invalid_parameter_noinfo_noreturn
_execute_onexit_table

Exports

Exports

_inject_dll@8
_is_injected@12
_pass_console_input@16
_run_script@16

Sections

.text
Size: 11KB - Virtual size: 11KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 4KB - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 512B - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 512B - Virtual size: 248B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 1024B - Virtual size: 688B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
KRNLWRD/krnl.dll
.dll windows x86

615138fe2fa1806ffa5686c81568e1f8

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DLL

Imports

kernel32

AcquireSRWLockExclusive
VirtualQuery
LocalAlloc
LocalFree
GetModuleFileNameW
GetProcessAffinityMask
SetProcessAffinityMask
SetThreadAffinityMask
Sleep
ExitProcess
FreeLibrary
LoadLibraryA
GetModuleHandleA
GetProcAddress

user32

ClientToScreen
GetProcessWindowStation
GetProcessWindowStation
GetUserObjectInformationW

ws2_32

WSACleanup

crypt32

CertAddCertificateContextToStore

api-ms-win-core-winrt-string-l1-1-0

WindowsCreateStringReference

api-ms-win-core-winrt-l1-1-0

RoGetActivationFactory

shell32

SHGetFolderPathW

imm32

ImmGetContext

d3dcompiler_47

D3DCompile

advapi32

CryptAcquireContextA

wldap32

ord301

normaliz

IdnToAscii

bcrypt

BCryptGenRandom

wtsapi32

WTSSendMessageW

Exports

Exports

queue_script
send_console_input

Sections

.text
Size: - Virtual size: 3.7MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: - Virtual size: 1.9MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: - Virtual size: 381KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.00cfg
Size: - Virtual size: 8B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.tls
Size: - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.voltbl
Size: - Virtual size: 348B

.asd10
Size: - Virtual size: 2.1MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.asd11
Size: 5.3MB - Virtual size: 5.3MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.reloc
Size: 7KB - Virtual size: 6KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 512B - Virtual size: 223B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
KRNLWRD/krnlss.exe.config
.xml
KRNLWRD/workspace.lnk.lnk
.lnk

Sharing

General

Malware Config

Signatures

Files

dae02f32a21e03ce65412f6e56942daa

Headers

DLL Characteristics

File Characteristics

Imports

mscoree

Sections

.text Size: 234KB - Virtual size: 233KB

.rsrc Size: 1KB - Virtual size: 1KB

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

0b5552dccd9d0a834cea55c0c8fc05be

Code Sign

48:fc:93:b4:60:55:94:8d:36:a7:c9:8a:89:d6:94:16Certificate

Extended Key Usages

Key Usages

33:d7:08:a8:91:40:53:19:e2:a5:bb:d3:39:b9:ad:6eCertificate

Extended Key Usages

Key Usages

bf:b1:50:01:bb:f5:92:d4:96:2a:77:97:ea:73:6f:a3Certificate

Extended Key Usages

Key Usages

7b:05:b1:d4:49:68:51:44:f7:c9:89:d2:9c:19:9d:12Certificate

Extended Key Usages

Key Usages

7b:d4:e5:af:ba:cc:07:3f:a1:01:23:04:22:41:4d:12Certificate

Extended Key Usages

Key Usages

ad:bf:7d:13:c9:80:3c:ae:ac:bc:29:4f:9b:cd:b7:ea:0c:17:a5:f2:6e:71:98:83:a8:f6:a0:57:b8:5c:56:06Signer

Headers

DLL Characteristics

File Characteristics

Imports

user32

comctl32

kernel32

advapi32

gdi32

Sections

.text Size: 162KB - Virtual size: 162KB

.rdata Size: 75KB - Virtual size: 74KB

.data Size: 3KB - Virtual size: 64KB

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

_RDATA Size: 512B - Virtual size: 348B

.rsrc Size: 25KB - Virtual size: 25KB

.reloc Size: 2KB - Virtual size: 1KB

dae02f32a21e03ce65412f6e56942daa

Headers

DLL Characteristics

File Characteristics

Imports

mscoree

Sections

.text Size: 1.3MB - Virtual size: 1.3MB

.rsrc Size: 1KB - Virtual size: 1KB

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

d588e0751eeca8d75865b11d7d0b6027

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

advapi32

msvcp140

vcruntime140

api-ms-win-crt-heap-l1-1-0

api-ms-win-crt-runtime-l1-1-0

Exports

Exports

Sections

.text Size: 11KB - Virtual size: 11KB

.rdata Size: 4KB - Virtual size: 4KB

.data Size: 512B - Virtual size: 1KB

.rsrc Size: 512B - Virtual size: 248B

.reloc Size: 1024B - Virtual size: 688B

615138fe2fa1806ffa5686c81568e1f8

.text
Size: 234KB - Virtual size: 233KB

.rsrc
Size: 1KB - Virtual size: 1KB

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

48:fc:93:b4:60:55:94:8d:36:a7:c9:8a:89:d6:94:16
Certificate

33:d7:08:a8:91:40:53:19:e2:a5:bb:d3:39:b9:ad:6e
Certificate

bf:b1:50:01:bb:f5:92:d4:96:2a:77:97:ea:73:6f:a3
Certificate

7b:05:b1:d4:49:68:51:44:f7:c9:89:d2:9c:19:9d:12
Certificate

7b:d4:e5:af:ba:cc:07:3f:a1:01:23:04:22:41:4d:12
Certificate

ad:bf:7d:13:c9:80:3c:ae:ac:bc:29:4f:9b:cd:b7:ea:0c:17:a5:f2:6e:71:98:83:a8:f6:a0:57:b8:5c:56:06
Signer

.text
Size: 162KB - Virtual size: 162KB

.rdata
Size: 75KB - Virtual size: 74KB

.data
Size: 3KB - Virtual size: 64KB

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

_RDATA
Size: 512B - Virtual size: 348B

.rsrc
Size: 25KB - Virtual size: 25KB

.reloc
Size: 2KB - Virtual size: 1KB

.text
Size: 1.3MB - Virtual size: 1.3MB

.rsrc
Size: 1KB - Virtual size: 1KB

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

.text
Size: 11KB - Virtual size: 11KB

.rdata
Size: 4KB - Virtual size: 4KB

.data
Size: 512B - Virtual size: 1KB

.rsrc
Size: 512B - Virtual size: 248B

.reloc
Size: 1024B - Virtual size: 688B

.text
Size: - Virtual size: 3.7MB

.rdata
Size: - Virtual size: 1.9MB

.data
Size: - Virtual size: 381KB

.00cfg
Size: - Virtual size: 8B

.tls
Size: - Virtual size: 4KB

.voltbl
Size: - Virtual size: 348B

.asd10
Size: - Virtual size: 2.1MB

.asd11
Size: 5.3MB - Virtual size: 5.3MB

.reloc
Size: 7KB - Virtual size: 6KB

.rsrc
Size: 512B - Virtual size: 223B