winfuck[.]exe | Triage

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General

Target

winfuck.exe
Size

61KB
MD5

169c39ddbeed4b7385d60849e04d31a8
SHA1

f2a43aca7076ce998eaf23413dfbf72a50bb8926
SHA256

39682369b0f23a94bc0f148fc923e2b8381597e3ea098898f6d5c80d48678dba
SHA512

cc76c3e9902f0cfda61dc84aca221c1d08fd609b17dd35a4595734c21fae1308521491aab3cf6b64836c7b0cb6a166139dd9ebbce237190f77fa3669c710cc85
SSDEEP

384:A/St9UceTsXRyBWMAPIziU9vofPHobozytT8ms7qGQfBXZ02rmk3PV9Z57c:j9UohyI6z0mozET8t7q/BJJn3PV9

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
winfuck.exe

Files

winfuck.exe
.exe windows x64

770387c2e0f8a4f7eca35820c35be093

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

Imports

kernel32

GetSystemTimeAsFileTime
GetCurrentProcessId
QueryPerformanceCounter
Sleep
InitializeSListHead
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
IsDebuggerPresent
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetStartupInfoW
TerminateProcess
GetCurrentProcess
GetProcAddress
FreeLibrary
VirtualQuery
GetProcessHeap
HeapFree
HeapAlloc
GetLastError
WideCharToMultiByte
MultiByteToWideChar
RaiseException
GetModuleHandleW
IsProcessorFeaturePresent
GetCurrentThreadId

user32

GetDC
GetSystemMetrics

gdi32

BitBlt

vcruntime140d

__vcrt_GetModuleHandleW
__std_type_info_destroy_list
__C_specific_handler
__current_exception_context
__C_specific_handler_noexcept
__vcrt_GetModuleFileNameW
__current_exception
memcpy
__vcrt_LoadLibraryExW

ucrtbased

_crt_at_quick_exit
terminate
strcpy_s
strcat_s
__stdio_common_vsprintf_s
_wmakepath_s
_wsplitpath_s
wcscpy_s
_crt_atexit
_execute_onexit_table
_initialize_onexit_table
_seh_filter_dll
__p__commode
_set_new_mode
_configthreadlocale
_register_thread_local_exe_atexit_callback
_c_exit
_cexit
__p___argv
__p___argc
_set_fmode
_exit
exit
_initterm_e
_initterm
_get_initial_narrow_environment
_initialize_narrow_environment
_configure_narrow_argv
__setusermatherr
_set_app_type
_seh_filter_exe
_CrtDbgReportW
_CrtDbgReport
rand
_register_onexit_function

Sections

.textbss
Size: - Virtual size: 64KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.text
Size: 31KB - Virtual size: 31KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 11KB - Virtual size: 10KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 512B - Virtual size: 2KB

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

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.msvcjmc
Size: 1024B - Virtual size: 550B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.00cfg
Size: 512B - Virtual size: 373B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 1024B - Virtual size: 618B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ