Static task
static1
Behavioral task
behavioral1
Sample
yo.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
yo.exe
Resource
win10v2004-20230220-en
General
-
Target
yo.exe
-
Size
982KB
-
MD5
1ca44bd8e69959a56a9e2f4af37e0642
-
SHA1
cad238430235b2131d9b85c1da25f079b6db719f
-
SHA256
7c73fdde15353996d9c428d38d43a5524e5678200bd36ee697c1ae2d1aa5bf49
-
SHA512
a5ff9aadb8010a37c368f502f98f5c24abcaea04bb1e2d65d317ff19fd6797143bf394343e6173bc6d42a39a817e73eac7f5d79283601dc192bfe3dd67135e83
-
SSDEEP
12288:ymlkx4AkSBkaZSikSVGWAtrQhs1+yXv/XmVcSWTw9Tln/togHP:muSBkaZSVSVQBQhszv/icSb9P
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource yo.exe
Files
-
yo.exe.exe windows x64
667ebd91b0eb2667432b3240a7b0f7ec
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
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_LARGE_ADDRESS_AWARE
IMAGE_FILE_DEBUG_STRIPPED
Imports
advapi32
GetUserNameA
kernel32
CloseHandle
CreateSemaphoreW
CreateToolhelp32Snapshot
DeleteCriticalSection
EnterCriticalSection
GetCurrentThreadId
GetLastError
GetModuleHandleA
GetModuleHandleW
GetProcAddress
GetStartupInfoA
InitializeCriticalSection
IsDBCSLeadByteEx
LeaveCriticalSection
LoadLibraryW
MultiByteToWideChar
Process32First
Process32Next
RaiseException
ReleaseSemaphore
RtlCaptureContext
RtlLookupFunctionEntry
RtlUnwindEx
RtlVirtualUnwind
SetLastError
SetUnhandledExceptionFilter
Sleep
TlsAlloc
TlsFree
TlsGetValue
TlsSetValue
VirtualProtect
VirtualQuery
WaitForSingleObject
WideCharToMultiByte
msvcrt
__C_specific_handler
___lc_codepage_func
___mb_cur_max_func
__getmainargs
__initenv
__iob_func
__set_app_type
__setusermatherr
_acmdln
_amsg_exit
_cexit
_commode
_errno
_filelengthi64
_fileno
_fmode
_fstat64
_initterm
_lock
_lseeki64
_onexit
_unlock
_wfopen
abort
calloc
exit
fclose
fflush
fgetpos
fopen
fprintf
fputc
fputs
fread
free
fsetpos
fwrite
getc
getwc
iswctype
localeconv
malloc
memchr
memcmp
memcpy
memmove
memset
putc
putwc
realloc
setlocale
setvbuf
signal
strcmp
strcoll
strerror
strftime
strlen
strncmp
strxfrm
towlower
towupper
ungetc
ungetwc
vfprintf
wcscoll
wcsftime
wcslen
wcsxfrm
_write
_stricmp
_read
_fileno
_fdopen
_close
Sections
.text Size: 723KB - Virtual size: 723KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: 77KB - Virtual size: 76KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rdata Size: 64KB - Virtual size: 63KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.pdata Size: 43KB - Virtual size: 43KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.xdata Size: 62KB - Virtual size: 61KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.bss Size: - Virtual size: 3KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.idata Size: 4KB - Virtual size: 3KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.CRT Size: 512B - Virtual size: 96B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.tls Size: 512B - Virtual size: 16B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.reloc Size: 6KB - Virtual size: 5KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ