small[.]exe | Triage

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General

Target

small.exe
Size

13KB
MD5

2f3f3d1ec05f331ee58933873da3b320
SHA1

a573d529128c9c0522b8e5b8ad745adcd5a2cab0
SHA256

7f40ffaf9663b3e05ca2110d8d0e771696cdfa8704f488bbb656339e5e5ee442
SHA512

9f5d6335332a6a5f41f574548886b29e21ebe5c8fe7026515c84e51474b6f3b5d66a3c8503d4d50d354414c5deab0ec41dfd3204be5ee770092165426d33b556
SSDEEP

192:IazwAjU9KR6yF5eZhqyptDjYS1J+81E5XTDYxnP:ILAjU9KI8CA6tDd1vxP

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
small.exe

Files

small.exe
.exe windows:6 windows x64 arch:x64

a1a736b09378d4165ed4f7cc0bafbaa5

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

user32

SendMessageW

msvcp140

_Thrd_join
_Thrd_id
_Cnd_do_broadcast_at_thread_exit
?_Throw_Cpp_error@std@@YAXH@Z

vcruntime140_1

__CxxFrameHandler4

vcruntime140

__current_exception
_CxxThrowException
__std_exception_destroy
__std_exception_copy
__C_specific_handler
__current_exception_context
memset
memcpy

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

_register_onexit_function
exit
_crt_atexit
_exit
_initterm_e
_initterm
_get_narrow_winmain_command_line
_initialize_narrow_environment
_configure_narrow_argv
_initialize_onexit_table
_set_app_type
_seh_filter_exe
_register_thread_local_exe_atexit_callback
_cexit
terminate
_beginthreadex
_c_exit

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

_set_new_mode
malloc
free
_callnewh

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

__setusermatherr

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

_set_fmode
__p__commode

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

_configthreadlocale

kernel32

RtlCaptureContext
RtlLookupFunctionEntry
GetSystemTimeAsFileTime
InitializeSListHead
IsDebuggerPresent
GetStartupInfoW
GetModuleHandleW
GetCurrentProcessId
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
IsProcessorFeaturePresent
QueryPerformanceCounter
GetCurrentThreadId

Sections

.text
Size: 5KB - Virtual size: 4KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 512B - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 1024B - Virtual size: 552B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 512B - Virtual size: 88B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

a1a736b09378d4165ed4f7cc0bafbaa5

Headers

DLL Characteristics

File Characteristics

Imports

user32

msvcp140

vcruntime140_1

vcruntime140

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-locale-l1-1-0

kernel32

Sections

.text Size: 5KB - Virtual size: 4KB

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

.data Size: 512B - Virtual size: 1KB

.pdata Size: 1024B - Virtual size: 552B

.reloc Size: 512B - Virtual size: 88B

.text
Size: 5KB - Virtual size: 4KB

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

.data
Size: 512B - Virtual size: 1KB

.pdata
Size: 1024B - Virtual size: 552B

.reloc
Size: 512B - Virtual size: 88B