Static task
static1
Behavioral task
behavioral1
Sample
a.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
a.exe
Resource
win10v2004-20230915-en
General
-
Target
a.exe
-
Size
44KB
-
MD5
45bd8719c07bbbbe27192bb9adf730dc
-
SHA1
0c04de3af4addfff79a174af9fd221b6505a7a50
-
SHA256
aaa0cada558dfa8a8edd1a8f3b896917eb0b2d1287c7a18cea9bb00537161c26
-
SHA512
9857709cefb240176c725fdd29890fd537babb262fc96ab6359f52c809585d6e7125dc69684cf4cd347134030f88644bd59870aa7b399ea72c01be0839a40ff7
-
SSDEEP
768:JulUTF04ctEhAHHrgU3ncWJ3z/NVYWer32th7M7YL:wUnDhAHHrgSncWx//o
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource a.exe
Files
-
a.exe.exe windows:4 windows x86
2fc1329aa406f1e045fa08aaf864f906
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DEBUG_STRIPPED
Imports
kernel32
DeleteCriticalSection
EnterCriticalSection
FreeLibrary
GetLastError
GetModuleHandleA
GetModuleHandleW
GetProcAddress
GetStartupInfoA
InitializeCriticalSection
IsDBCSLeadByteEx
LeaveCriticalSection
LoadLibraryA
MultiByteToWideChar
QueryPerformanceCounter
SetUnhandledExceptionFilter
Sleep
TlsGetValue
VirtualProtect
VirtualQuery
WideCharToMultiByte
msvcrt
__getmainargs
__initenv
__mb_cur_max
__p__acmdln
__p__commode
__p__fmode
__set_app_type
__setusermatherr
_amsg_exit
_cexit
_errno
_initterm
_iob
_lock
_onexit
_unlock
abort
atoi
calloc
exit
fprintf
fputc
free
fwrite
localeconv
malloc
memcpy
memset
setlocale
signal
strchr
strerror
strlen
strncmp
system
vfprintf
wcslen
Sections
.text Size: 29KB - Virtual size: 29KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: 512B - Virtual size: 84B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rdata Size: 3KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.eh_fram Size: 5KB - Virtual size: 5KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.bss Size: - Virtual size: 2KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.idata Size: 2KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.CRT Size: 512B - Virtual size: 48B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.tls Size: 512B - Virtual size: 8B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.reloc Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ