apphost[.]exe | Triage

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General

Target

apphost.exe
Size

123KB
MD5

8772e3cd2add421f12b1a071009bc044
SHA1

b4eb8038cdbaa753a89d68910e361cf6a6a464b9
SHA256

80a77f828b2eb3b09b51ee00992565514e3b8c1fabecc9be1f5663ee466eef56
SHA512

1d667e8a7286d4d94c34eec73b7024a6cb11004a15d15e3fc46779d954f21c119490f1e768610f4ed262e84e6f1a28566eb2477ef07f053fab08625d373e43e6
SSDEEP

3072:/l0xIHQmEb9liHk29+E8Ufjz1BNOG/QJpXvjEtk2:a9OwG/Qbotk

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
apphost.exe

Files

apphost.exe
.exe windows:6 windows x64 arch:x64

e136c78efac5157bdb78b75c07967d98

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

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

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

fputwc
__p__commode
_set_fmode
fflush
__stdio_common_vfwprintf
fputws
__acrt_iob_func
__stdio_common_vswprintf
_wfopen
__stdio_common_vsprintf_s
setvbuf

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

free
calloc
_set_new_mode
_callnewh
malloc

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

wcsncmp
_wcsdup
strcspn
strcpy_s
wcsnlen

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

wcstoul
_wtoi

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

localeconv
___mb_cur_max_func
_lock_locales
___lc_codepage_func
___lc_locale_name_func
__pctype_func
setlocale
_configthreadlocale
_unlock_locales

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

frexp
__setusermatherr

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

_time64
_gmtime64
wcsftime

Sections

.text
Size: 78KB - Virtual size: 77KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 34KB - Virtual size: 33KB

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: 4KB - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

_RDATA
Size: 512B - Virtual size: 244B

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: 796B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

e136c78efac5157bdb78b75c07967d98

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

shell32

advapi32

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

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

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

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

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

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

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

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

Sections

.text Size: 78KB - Virtual size: 77KB

.rdata Size: 34KB - Virtual size: 33KB

.data Size: 2KB - Virtual size: 5KB

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

_RDATA Size: 512B - Virtual size: 244B

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

.reloc Size: 1024B - Virtual size: 796B

.text
Size: 78KB - Virtual size: 77KB

.rdata
Size: 34KB - Virtual size: 33KB

.data
Size: 2KB - Virtual size: 5KB

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

_RDATA
Size: 512B - Virtual size: 244B

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

.reloc
Size: 1024B - Virtual size: 796B