a[.]exe | Triage

Sharing

Copy URL Twitter E-mail

General

Target

a.exe
Size

90KB
MD5

f0f1c42eb824445829c3b5ea6bd908d7
SHA1

ed33c5b239821c0c3e8128da917168e99c29a39f
SHA256

065072c5ce9ba7c3c79c0ab71ba2d925d50f925bbb7494f9e9ffc59bebab55f4
SHA512

ac1ffc50299214f08e14f3b23a230a89bac279ec78200d52442a89e731ebcbd967066c5a0b4488da74ec6deda5ddfc99d8746867a83eef78ec3d44d96e73321b
SSDEEP

1536:QOExMavjRh2MHj9ujef0j8Kl6SBsf2tS7bzHxphQL4ga/WPW5KT:REOWJMnaKW5W

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
a.exe

Files

a.exe
.exe windows:6 windows x64

d47451c15757397453f660783373ca97

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

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

_set_new_mode
calloc
free
malloc

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

__C_specific_handler
memcpy

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

__p___argc
__p___argv
__p___wargv
__p__acmdln
_cexit
_configure_narrow_argv
_configure_wide_argv
_crt_at_quick_exit
_crt_atexit
_exit
_initialize_narrow_environment
_initialize_wide_environment
_initterm
_set_app_type
_set_invalid_parameter_handler
abort
exit
signal
system

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

__acrt_iob_func
__p__commode
__p__fmode
__stdio_common_vfprintf
__stdio_common_vfwprintf
fwrite

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

strlen
strncmp

advapi32

RegCloseKey
RegOpenKeyExA
RegSetValueExA

kernel32

CopyFileA
DeleteCriticalSection
EnterCriticalSection
GetLastError
GetModuleFileNameA
GetModuleHandleA
GetStartupInfoA
GetSystemDirectoryA
InitializeCriticalSection
LeaveCriticalSection
SetUnhandledExceptionFilter
Sleep
TlsGetValue
VirtualProtect
VirtualQuery

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

_ismbblead

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

__setusermatherr

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

__p__environ
__p__wenviron

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

__daylight
__timezone
__tzname
_tzset

Sections

.text
Size: 7KB - Virtual size: 6KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.buildid
Size: 512B - Virtual size: 53B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 512B - Virtual size: 420B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 512B - Virtual size: 396B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.00cfg
Size: 512B - Virtual size: 16B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.tls
Size: 512B - Virtual size: 16B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.reloc
Size: 512B - Virtual size: 136B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/4
Size: 6KB - Virtual size: 6KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/18
Size: 21KB - Virtual size: 21KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/30
Size: 10KB - Virtual size: 9KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/42
Size: 9KB - Virtual size: 9KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/53
Size: 512B - Virtual size: 480B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/67
Size: 17KB - Virtual size: 17KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

d47451c15757397453f660783373ca97

Headers

DLL Characteristics

File Characteristics

Imports

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

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

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

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

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

advapi32

kernel32

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

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

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

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

Sections

.text Size: 7KB - Virtual size: 6KB

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

.buildid Size: 512B - Virtual size: 53B

.data Size: 512B - Virtual size: 420B

.pdata Size: 512B - Virtual size: 396B

.00cfg Size: 512B - Virtual size: 16B

.tls Size: 512B - Virtual size: 16B

.reloc Size: 512B - Virtual size: 136B

/4 Size: 6KB - Virtual size: 6KB

/18 Size: 21KB - Virtual size: 21KB

/30 Size: 10KB - Virtual size: 9KB

/42 Size: 9KB - Virtual size: 9KB

/53 Size: 512B - Virtual size: 480B

/67 Size: 17KB - Virtual size: 17KB

.text
Size: 7KB - Virtual size: 6KB

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

.buildid
Size: 512B - Virtual size: 53B

.data
Size: 512B - Virtual size: 420B

.pdata
Size: 512B - Virtual size: 396B

.00cfg
Size: 512B - Virtual size: 16B

.tls
Size: 512B - Virtual size: 16B

.reloc
Size: 512B - Virtual size: 136B

/4
Size: 6KB - Virtual size: 6KB

/18
Size: 21KB - Virtual size: 21KB

/30
Size: 10KB - Virtual size: 9KB

/42
Size: 9KB - Virtual size: 9KB

/53
Size: 512B - Virtual size: 480B

/67
Size: 17KB - Virtual size: 17KB