winfuck[.]exe | Triage

Sharing

General

Target

winfuck.exe
Size

93KB
MD5

9c4ba4caec88d0a5f37634856a942409
SHA1

f49939564e410a29b5d248b7366aa2aba79f87fe
SHA256

23c94331937605cd6c343b02452ef42a55d807ad6d6165dedf4be987451ff310
SHA512

8823f9951ccb71cb71bdf55d84ec1041aeb425c00d743d8ad82d4ff4c425a8d4a7587823af893bf8a0c3a095fea275a06e8d5a5fd9d1d1524659f522d8f21df3
SSDEEP

1536:c6qQD6E1oC0mPnojscpKOKB1WlEyQNkrWm:c6ld1oCxopKOKB1WlhPrWm

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
winfuck.exe

Files

winfuck.exe
.exe windows:6 windows x64

95fb2164943141288338323869336ca0

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

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

user32

SetWindowTextA
GetDC
GetSystemMetrics
ShowWindow
EnumWindows
CloseWindow

gdi32

BitBlt

msvcp140d

?_Xlength_error@std@@YAXPEBD@Z
??1_Lockit@std@@QEAA@XZ
??0_Lockit@std@@QEAA@H@Z
?_Random_device@std@@YAIXZ

vcruntime140d

__std_exception_copy
memcpy
_CxxThrowException
__vcrt_LoadLibraryExW
__C_specific_handler
__C_specific_handler_noexcept
__std_type_info_destroy_list
__current_exception
__vcrt_GetModuleHandleW
__current_exception_context
__vcrt_GetModuleFileNameW
__std_exception_destroy

vcruntime140_1d

__CxxFrameHandler4

ucrtbased

__p__commode
_free_dbg
strcpy_s
strcat_s
__stdio_common_vsprintf_s
_seh_filter_dll
_set_new_mode
_register_onexit_function
_execute_onexit_table
_crt_atexit
_crt_at_quick_exit
terminate
_wmakepath_s
_wsplitpath_s
wcscpy_s
_configthreadlocale
_register_thread_local_exe_atexit_callback
_c_exit
_cexit
__p___argv
_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
malloc
_callnewh
_CrtDbgReport
system
rand
strlen
_invalid_parameter
_initialize_onexit_table
__p___argc

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: 52KB - Virtual size: 51KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 19KB - Virtual size: 18KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 10KB - Virtual size: 9KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.idata
Size: 5KB - Virtual size: 5KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.msvcjmc
Size: 1024B - Virtual size: 566B

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: 777B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ