WebAPI[.]exe | Triage

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General

Target

WebAPI.exe
Size

156KB
MD5

5a65703487087ad66d451993429af493
SHA1

956dd268c7e416439e5d7418666a72b576873b13
SHA256

290bcbecbb0b0451b330b0d873136390747a6dc554a279138f6d7deb27a959fe
SHA512

ebba5365441abc2e39846144fc0dc3f58b6cad7086fff90c32821528813ff8f195f05c29a1a420870282f4b5950a4c9a09d1362d46aa0c5512a9119095f4f07b
SSDEEP

3072:03+VKzS/HlwpFq4PrSpBRAJvJ70jNRI7/kTa8tFH:03kqriUxYj0P

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
WebAPI.exe

Files

WebAPI.exe
.exe windows:6 windows x64 arch:x64

cacbe2581947049c28c08c9bc54ffdb6

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

F:\workspace\_work\1\s\artifacts\obj\win-x64.Release\corehost\cli\apphost\Release\apphost.pdb

Imports

kernel32

FindClose
FindFirstFileExW
FindNextFileW
GetFileAttributesExW
GetFullPathNameW
GetTempPathW
GetLastError
InitializeCriticalSection
EnterCriticalSection
DeleteCriticalSection
GetCurrentProcess
IsWow64Process
GetModuleFileNameW
GetModuleHandleW
GetModuleHandleExW
GetProcAddress
LoadLibraryExW
MultiByteToWideChar
WideCharToMultiByte
FreeLibrary
GetEnvironmentVariableW
OutputDebugStringW
GetCurrentProcessId
Sleep
RemoveDirectoryW
LeaveCriticalSection
CreateDirectoryW
RtlUnwindEx
RaiseException
RtlPcToFileHeader
InitializeSListHead
GetCurrentThreadId
QueryPerformanceCounter
IsDebuggerPresent
IsProcessorFeaturePresent
TerminateProcess
SetUnhandledExceptionFilter
UnhandledExceptionFilter
RtlVirtualUnwind
RtlLookupFunctionEntry
RtlCaptureContext
LCMapStringW
GetSystemTimeAsFileTime
TlsFree
TlsSetValue
TlsGetValue
TlsAlloc
SwitchToThread
InitializeCriticalSectionAndSpinCount
SetLastError
DecodePointer
EncodePointer
GetStringTypeW

advapi32

RegisterEventSourceW
DeregisterEventSource
RegGetValueW
RegOpenKeyExW
RegCloseKey
ReportEventW

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

terminate
_cexit
_errno
_initialize_onexit_table
_initterm
_register_thread_local_exe_atexit_callback
_invalid_parameter_noinfo_noreturn
_c_exit
__p___wargv
__p___argc
_exit
exit
_initterm_e
_set_app_type
_configure_wide_argv
_crt_atexit
_register_onexit_function
_initialize_wide_environment
_seh_filter_exe
_get_initial_wide_environment
abort

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

_callnewh
_set_new_mode
free
calloc
malloc

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

__setusermatherr
frexp

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

_wfopen
__stdio_common_vswprintf
fclose
fread
fseek
fwrite
__stdio_common_vsprintf_s
__acrt_iob_func
fputwc
fputws
__stdio_common_vfwprintf
fflush
__p__commode
_set_fmode

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

wcsnlen
_wcsdup
strcspn
memset
wcsncmp
_wcsicmp
strcpy_s

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

___mb_cur_max_func
___lc_codepage_func
___lc_locale_name_func
setlocale
_lock_locales
__pctype_func
_unlock_locales
localeconv
_configthreadlocale

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

_wremove
_wrename

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

_wtoi
wcstoul

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

wcsftime
_gmtime64
_time64

Sections

.text
Size: 85KB - Virtual size: 85KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 57KB - Virtual size: 56KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 3KB - Virtual size: 6KB

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

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

cacbe2581947049c28c08c9bc54ffdb6

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

kernel32

advapi32

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

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

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

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

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

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

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

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

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

Sections

.text Size: 85KB - Virtual size: 85KB

.rdata Size: 57KB - Virtual size: 56KB

.data Size: 3KB - Virtual size: 6KB

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

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

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

.text
Size: 85KB - Virtual size: 85KB

.rdata
Size: 57KB - Virtual size: 56KB

.data
Size: 3KB - Virtual size: 6KB

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

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

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