sktool_amd64[.]exe

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General

Target

sktool_amd64.exe
Size

152KB
MD5

b8a8e510de39b4497f562fd23fe1ee94
SHA1

87ef46d90f9cf29e6214d647ce9293e9eef799ec
SHA256

0806004aa879640150f12a9ad01c7cb2069644112cfc0c9f2641c31b84451739
SHA512

fcc7b2b385e31eb2ee6c3551aae4e7c0f0c2abc8195dfbecc2483d647217b2b450cff5b106dadc9068e07f291b9d0debb90c95abfa47c524a5a888c88194be56
SSDEEP

1536:rsk2TpfaAf9vXVzvQ+3H/gcL6ZM1EoSyPuR2DNP1wwGOVuW+/7T/U3:IYAf9vlzNH/gcLE4OyPZP1frkT/U3

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
sktool_amd64.exe

Files

sktool_amd64.exe
.exe windows:10 windows x64 arch:x64

b00e828adcaf364622a95c786c5b4259

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

PDB Paths

e:\bk\obj\amd64fre\minkernel\ium\support\sktool\objfre\amd64\sktool.pdb

Imports

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

memset
strncmp

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

_initterm
_initterm_e
_c_exit
_register_thread_local_exe_atexit_callback

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

_o__callnewh
_o__cexit
_o__configthreadlocale
_o__configure_wide_argv
_o__crt_atexit
_o__exit
_o__get_initial_wide_environment
_o__getch
_o__initialize_onexit_table
_o__initialize_wide_environment
_o__register_onexit_function
_o__seh_filter_exe
_o__set_app_type
_o__set_fmode
_o__set_new_mode
_o__stricmp
_o__wcsicmp
_o__wcsnicmp
_o_exit
_o_free
_o_malloc
_o_rewind
_o_strcat_s
_o_strcpy_s
_o_terminate
_o_wcscat_s
_o_wcscpy_s
_o_wcsncpy_s
_o_wcstoull
__C_specific_handler
__current_exception
__current_exception_context
_CxxThrowException
_o___stdio_common_vswprintf_s
_o___p__commode
_o___p___wargv
_o___p___argc
_o___stdio_common_vsprintf_s
_o___stdio_common_vfwprintf
_o___stdio_common_vfprintf
_o___std_exception_destroy
_o___std_exception_copy
_o___acrt_iob_func
wcsrchr
wcsstr
wcschr

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

RegQueryValueExW
RegOpenKeyExW
RegCloseKey

api-ms-win-core-version-l1-1-1

GetFileVersionInfoSizeW
GetFileVersionInfoW

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

GetCurrentProcess
GetCurrentProcessId
ExitProcess
TerminateProcess
GetCurrentThreadId

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

GetStdHandle
ExpandEnvironmentStringsW

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

GetFileSizeEx
GetFileAttributesW
CreateFileW
WriteFile

api-ms-win-core-libraryloader-l1-2-0

LoadStringA
GetProcAddress
GetModuleFileNameW
GetModuleHandleW

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

VerQueryValueW

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

GetSystemTimeAsFileTime
GetSystemDirectoryW

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

CreateFileMappingW
MapViewOfFile
UnmapViewOfFile

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

SetUnhandledExceptionFilter
SetLastError
GetLastError
UnhandledExceptionFilter

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

CloseHandle

api-ms-win-core-sysinfo-l1-2-0

GetNativeSystemInfo

api-ms-win-core-heap-l2-1-0

LocalAlloc
LocalFree

api-ms-win-core-console-l2-1-0

GetConsoleScreenBufferInfo
SetConsoleTextAttribute

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

GetProcessHeap
HeapFree
HeapAlloc

api-ms-win-core-localization-l1-2-0

FormatMessageW

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

OutputDebugStringW
IsDebuggerPresent

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

FileTimeToSystemTime

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

QueryPerformanceCounter

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

InitializeSListHead

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

RtlVirtualUnwind
RtlLookupFunctionEntry
RtlCaptureContext

api-ms-win-core-processthreads-l1-1-1

IsProcessorFeaturePresent

ntdll

RtlImageNtHeader
RtlImageDirectoryEntryToData
ZwQuerySystemInformationEx
ZwQuerySystemInformation

ext-ms-win-wevtapi-eventlog-l1-1-0

EvtRender
EvtCreateRenderContext
EvtClose

ext-ms-win-wevtapi-eventlog-l1-1-2

EvtQuery
EvtNext

rpcrt4

RpcBindingFree
NdrClientCall3
RpcStringFreeW
RpcStringBindingComposeW
RpcBindingFromStringBindingW
RpcExceptionFilter
I_RpcMapWin32Status

Sections

.text
Size: 32KB - Virtual size: 28KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

fothk
Size: 4KB - Virtual size: 4KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 20KB - Virtual size: 17KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 4KB - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 4KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 80KB - Virtual size: 78KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 4KB - Virtual size: 268B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

b00e828adcaf364622a95c786c5b4259

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

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

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

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

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

api-ms-win-core-version-l1-1-1

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

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

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

api-ms-win-core-libraryloader-l1-2-0

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

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

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

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

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

api-ms-win-core-sysinfo-l1-2-0

api-ms-win-core-heap-l2-1-0

api-ms-win-core-console-l2-1-0

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

api-ms-win-core-localization-l1-2-0

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

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

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

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

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

api-ms-win-core-processthreads-l1-1-1

ntdll

ext-ms-win-wevtapi-eventlog-l1-1-0

ext-ms-win-wevtapi-eventlog-l1-1-2

rpcrt4

Sections

.text Size: 32KB - Virtual size: 28KB

fothk Size: 4KB - Virtual size: 4KB

.rdata Size: 20KB - Virtual size: 17KB

.data Size: 4KB - Virtual size: 3KB

.pdata Size: 4KB - Virtual size: 1KB

.rsrc Size: 80KB - Virtual size: 78KB

.reloc Size: 4KB - Virtual size: 268B

.text
Size: 32KB - Virtual size: 28KB

fothk
Size: 4KB - Virtual size: 4KB

.rdata
Size: 20KB - Virtual size: 17KB

.data
Size: 4KB - Virtual size: 3KB

.pdata
Size: 4KB - Virtual size: 1KB

.rsrc
Size: 80KB - Virtual size: 78KB

.reloc
Size: 4KB - Virtual size: 268B