Static task
static1
Behavioral task
behavioral1
Sample
a.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
a.exe
Resource
win10v2004-20240508-en
General
-
Target
a.exe
-
Size
1.2MB
-
MD5
55fb6a04a3be2d95d112cb3f019c95a0
-
SHA1
3c5b7d591b200f762a7602796c93676b54227824
-
SHA256
3e11f272e8fa124e25f066e8fee0cc61ded2ed33de0dcabd0b1f877891c1bb9a
-
SHA512
bb619ec432e375e5ffcae857b165d2a4788a323ef1360d1ffa54824d215aea05f19bb1645fc946f260e6dbbca2ecb8415f7a572e38bd822fdcee4bfe3b6d88e0
-
SSDEEP
12288:KPyTq0AbnFOiqMP8axEkDvnD2GMSzfuq3e7TZnVHgMZtKd7Z5y9gVXomDmE9cdJ:dT/AbnFOk8axEUvnQTFVHgJ7Z5agV
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource a.exe
Files
-
a.exe.exe windows:4 windows x64 arch:x64
504ed33492040ff60d74d62ce4b0bd01
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
GetTokenInformation
OpenProcessToken
kernel32
CloseHandle
CreateFileA
CreateProcessA
CreateSemaphoreW
CreateToolhelp32Snapshot
DeleteCriticalSection
DeleteProcThreadAttributeList
EnterCriticalSection
FormatMessageA
GetCurrentProcessId
GetCurrentThreadId
GetFileSize
GetLastError
GetModuleHandleW
GetProcAddress
GetProcessHeap
GetTickCount64
HeapAlloc
InitializeCriticalSection
InitializeProcThreadAttributeList
IsDBCSLeadByteEx
LeaveCriticalSection
LoadLibraryW
LocalFree
MultiByteToWideChar
OpenProcess
Process32First
Process32Next
ProcessIdToSessionId
RaiseException
ReadFile
ReleaseSemaphore
RtlCaptureContext
RtlLookupFunctionEntry
RtlUnwindEx
RtlVirtualUnwind
SetLastError
SetUnhandledExceptionFilter
Sleep
TlsAlloc
TlsFree
TlsGetValue
TlsSetValue
UpdateProcThreadAttribute
VirtualAlloc
VirtualAllocEx
VirtualProtect
VirtualQuery
WaitForSingleObject
WideCharToMultiByte
msvcrt
__C_specific_handler
___lc_codepage_func
___mb_cur_max_func
__getmainargs
__initenv
__iob_func
__set_app_type
__setusermatherr
_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: 754KB - Virtual size: 753KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: 266KB - Virtual size: 266KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rdata Size: 67KB - Virtual size: 67KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.pdata Size: 44KB - Virtual size: 43KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.xdata Size: 63KB - Virtual size: 63KB
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: 4KB
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