Static task
static1
Behavioral task
behavioral1
Sample
nasm.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
nasm.exe
Resource
win10v2004-20240802-en
General
-
Target
nasm.exe
-
Size
1.2MB
-
MD5
288f2be6334f4ea09abf3209166f9ac1
-
SHA1
c6c613aea50ee2f51518b2e5e0e1041ee101beb5
-
SHA256
442f6f984804c2e08c151f5565c2fdddda3a899d8e380512f271a3edbbf34cb4
-
SHA512
470ad18548d290bfbe4de768258ac6fc0863d28f4ad5bd8d169cff0d84f1326fb33351c5549c8f888258a7226ad8701ec2d913a8de300a96333403d60a510baa
-
SSDEEP
12288:dzMVtmYR2GGsxc7rjzWzzEqGc3I/Iga5/:dQCYEGGsxcvjzWX5/
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource nasm.exe
Files
-
nasm.exe.exe windows:4 windows x64 arch:x64
245fd5847db29ac01003e87f2fc0fe30
Headers
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_DEBUG_STRIPPED
Imports
kernel32
DeleteCriticalSection
EnterCriticalSection
GetCurrentProcess
GetCurrentProcessId
GetCurrentThreadId
GetLastError
GetModuleHandleA
GetModuleHandleW
GetProcAddress
GetStartupInfoA
GetSystemTimeAsFileTime
GetTickCount
InitializeCriticalSection
LeaveCriticalSection
QueryPerformanceCounter
RtlAddFunctionTable
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
SetUnhandledExceptionFilter
Sleep
TerminateProcess
TlsGetValue
UnhandledExceptionFilter
VirtualProtect
VirtualQuery
msvcrt
__C_specific_handler
__dllonexit
__doserrno
__getmainargs
__initenv
__iob_func
__lconv_init
__pioinfo
__set_app_type
__setusermatherr
_acmdln
_amsg_exit
_cexit
_chsize
_errno
_filelengthi64
_fileno
_fmode
_fullpath
_gmtime64
_initterm
_localtime64
_lock
_lseeki64
_onexit
_stat64
_stricmp
_strnicmp
_time64
_unlock
_vsnprintf
_write
abort
atoi
calloc
exit
fclose
feof
ferror
fflush
fgetc
fgetpos
fgets
fopen
fprintf
fputc
fputs
fread
free
fsetpos
fwrite
getenv
isalnum
isalpha
isspace
isxdigit
malloc
memcmp
memcpy
memset
perror
printf
putc
puts
qsort
realloc
remove
signal
sprintf
sscanf
strcat
strchr
strcmp
strcpy
strcspn
strerror
strftime
strlen
strncmp
strncpy
strpbrk
strrchr
strspn
strtoul
tolower
toupper
ungetc
vfprintf
_fileno
_access
Sections
.text Size: 290KB - Virtual size: 289KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: 1024B - Virtual size: 552B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rdata Size: 876KB - Virtual size: 875KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.pdata Size: 6KB - Virtual size: 5KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.xdata Size: 6KB - Virtual size: 6KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.bss Size: - Virtual size: 75KB
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: 104B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.tls Size: 512B - Virtual size: 104B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE