Static task
static1
General
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Target
winterz.exe
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Size
151KB
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MD5
584eb9d965124dcc85ce553f1f6efb6a
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SHA1
e6f6a4901d84592949b0e512a19764c071d008a2
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SHA256
26c52a23605aaceacf7625502486b3a1c8c2ba3aa43c13f2eb970a68cd9db9d1
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SHA512
0df04e5b4c631273863acf29a8d7995170f904d49260783b7d9df6c5b2dac6d78e600d8f90344e28f7e711b24be12c934a8fd880a304c1e77d663f8150461137
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SSDEEP
3072:sKta93TRDiicws0MWbs2OJiKF/ODxT5CyV9u2TNh:s2wX7bJ39uGN
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource winterz.exe
Files
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winterz.exe.exe windows:6 windows x64 arch:x64
90d2464c05751e0163b327ef7e8a4518
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
kernel32
FindNextFileW
GetCurrentProcess
GetModuleHandleExW
GetModuleFileNameW
LeaveCriticalSection
InitializeCriticalSection
GetEnvironmentVariableW
FindClose
MultiByteToWideChar
GetLastError
GetFileAttributesExW
GetFullPathNameW
GetProcAddress
DeleteCriticalSection
WideCharToMultiByte
IsWow64Process
LoadLibraryExW
FreeLibrary
TlsFree
TlsSetValue
TlsGetValue
TlsAlloc
EnterCriticalSection
FindFirstFileExW
OutputDebugStringW
LoadLibraryA
GetModuleHandleW
InitializeCriticalSectionAndSpinCount
SetLastError
RaiseException
RtlPcToFileHeader
RtlUnwindEx
InitializeSListHead
GetSystemTimeAsFileTime
GetCurrentThreadId
GetCurrentProcessId
QueryPerformanceCounter
IsDebuggerPresent
IsProcessorFeaturePresent
TerminateProcess
SetUnhandledExceptionFilter
UnhandledExceptionFilter
RtlVirtualUnwind
RtlLookupFunctionEntry
RtlCaptureContext
LCMapStringEx
DecodePointer
EncodePointer
InitializeCriticalSectionEx
GetStringTypeW
user32
MessageBoxW
shell32
ShellExecuteW
advapi32
RegOpenKeyExW
RegGetValueW
DeregisterEventSource
RegisterEventSourceW
ReportEventW
RegCloseKey
api-ms-win-crt-runtime-l1-1-0
_initialize_onexit_table
__p___argc
_invalid_parameter_noinfo_noreturn
__p___wargv
exit
_initterm_e
_initterm
_errno
_get_initial_wide_environment
_initialize_wide_environment
_configure_wide_argv
_register_thread_local_exe_atexit_callback
_c_exit
_exit
terminate
_set_app_type
_seh_filter_exe
_cexit
_register_onexit_function
abort
_crt_atexit
api-ms-win-crt-stdio-l1-1-0
__stdio_common_vsprintf_s
setvbuf
__stdio_common_vswprintf
__acrt_iob_func
_set_fmode
fputwc
fputws
__stdio_common_vsnwprintf_s
_wfsopen
fflush
__p__commode
__stdio_common_vfwprintf
api-ms-win-crt-heap-l1-1-0
_callnewh
free
_set_new_mode
malloc
calloc
api-ms-win-crt-string-l1-1-0
wcsnlen
strcpy_s
_wcsdup
strcspn
wcsncmp
toupper
api-ms-win-crt-convert-l1-1-0
_wtoi
wcstoul
api-ms-win-crt-locale-l1-1-0
_unlock_locales
_lock_locales
localeconv
___lc_codepage_func
_configthreadlocale
__pctype_func
setlocale
___lc_locale_name_func
___mb_cur_max_func
api-ms-win-crt-math-l1-1-0
__setusermatherr
frexp
api-ms-win-crt-time-l1-1-0
_gmtime64_s
wcsftime
_time64
Sections
.text Size: 99KB - Virtual size: 99KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 39KB - Virtual size: 39KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 2KB - Virtual size: 5KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 5KB - Virtual size: 5KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
_RDATA Size: 512B - Virtual size: 348B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 1024B - Virtual size: 840B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
.rsrc Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ