Krnl[.]exe | Triage

Resubmissions

23/02/2024, 03:14

240223-drb2zsba48 10

23/02/2024, 03:11

240223-dpnb8sba44 10

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General

Target

Krnl.exe
Size

4.6MB
MD5

353931a424084bc54e6d90eccc91014c
SHA1

55eba7c1e3cb67cbc25279fe3489a6d4ace89f3e
SHA256

3b320d36c47e2d3ed644d5e3643c26e67154c9f5a5b09aed3d819c67215570f8
SHA512

5c2e260e1b4e48d7469e43d524c66b08714db8ed41ff56c7302c513819e5983ae76c51e3f5eeb4bfa3e1f734bbcc0da68024182cb92925952806591935c783e7
SSDEEP

49152:g8XG2CVCifJgxIrQWoW4ChdLzmok3xTaRQtcqZmLIEyvchpZ4Nc+obVplspOlu5B:7Z/yx91XqZ2FsDlCqp34ka65gzSS2xD

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
Krnl.exe

Files

Krnl.exe
.exe windows:4 windows x64 arch:x64

0fdd3d21d2193b717f076a70dfaa659c

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_DEBUG_STRIPPED

Imports

kernel32

DeleteCriticalSection
EnterCriticalSection
GetLastError
InitializeCriticalSection
LeaveCriticalSection
SetUnhandledExceptionFilter
Sleep
TlsGetValue
VirtualProtect
VirtualQuery

msvcrt

__C_specific_handler
__getmainargs
__initenv
__iob_func
__set_app_type
__setusermatherr
_amsg_exit
_cexit
_commode
_fmode
_initterm
_onexit
abort
calloc
exit
fprintf
fputs
free
malloc
memset
signal
strlen
strncmp
vfprintf
wcscat
wcscpy
wcslen
wcsncmp
wcsstr
_wcsnicmp
_wcsicmp

Sections

.text
Size: 30KB - Virtual size: 29KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 4.5MB - Virtual size: 4.5MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.bss
Size: - Virtual size: 5KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.CRT
Size: 512B - Virtual size: 96B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.tls
Size: 512B - Virtual size: 16B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.reloc
Size: 512B - Virtual size: 120B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Resubmissions

Sharing

General

Malware Config

Signatures

Files

0fdd3d21d2193b717f076a70dfaa659c

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

msvcrt

Sections

.text Size: 30KB - Virtual size: 29KB

.data Size: 4.5MB - Virtual size: 4.5MB

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

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

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

.bss Size: - Virtual size: 5KB

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

.CRT Size: 512B - Virtual size: 96B

.tls Size: 512B - Virtual size: 16B

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

.reloc Size: 512B - Virtual size: 120B

.text
Size: 30KB - Virtual size: 29KB

.data
Size: 4.5MB - Virtual size: 4.5MB

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

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

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

.bss
Size: - Virtual size: 5KB

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

.CRT
Size: 512B - Virtual size: 96B

.tls
Size: 512B - Virtual size: 16B

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

.reloc
Size: 512B - Virtual size: 120B