NullRAT[.]zip | Triage

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General

Target

NullRAT.zip
Size

660KB
MD5

de804326d440bf4bef83f291a6c2f38d
SHA1

da73b6c6d5dee5b1afb7ed5a0b0e0e58bba9752a
SHA256

1d8efd633d8ae1fe4cf315638cb06ab51eecff29912a09337ddf41f211405832
SHA512

418a5bb415839209ae186a1e5ecdedc5b546d0b7706307e1f901da1e581dfc0adfe0e60e8f89069dad7056a4c66c83d387e39b8453ad46305cbded90a60bf25c
SSDEEP

12288:vgMH8mhMTxVlKLDASlRNC0y6k/hOdO9kGJHw8seDQhsS9D7p7tAs:vgMcmhm9KFRNVvk/kI9k49VDQhsS9DVv

Score

8^/10

upx

Malware Config

Signatures

Patched UPX-packed file 1 IoCs

Sample is packed with UPX but required header fields are zeroed out to prevent unpacking with the default UPX tool.

resource	yara_rule
static1/unpack002/out.upx	patched_upx

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
static1/unpack001/NullRAT/upx/upx.exe	upx

Unsigned PE 3 IoCs

Checks for missing Authenticode signature.

resource
unpack001/NullRAT/upx/upx.exe
unpack002/out.upx
unpack001/compiler.exe

Files

NullRAT.zip
.zip
NullRAT/RAT.py
NullRAT/custom_icon.ico
NullRAT/modules/ChangePass.py
NullRAT/modules/checkedtokens.py
NullRAT/modules/clipboard.py
NullRAT/modules/create_new_module.py
NullRAT/modules/directory.py
NullRAT/modules/geolocate.py
NullRAT/modules/getenv.py
NullRAT/modules/hideFile.py
NullRAT/modules/rawtokens.py
NullRAT/modules/receivefiles.py
NullRAT/modules/runfile.py
NullRAT/modules/screenshot.py
NullRAT/modules/sendfiles.py
NullRAT/modules/shell.py
NullRAT/modules/startup.py
NullRAT/modules/systeminfo.py
NullRAT/modules/tasklist.py
NullRAT/modules/unhideFile.py
NullRAT/modules/webcam.py
NullRAT/modules/wifiList.py
NullRAT/modules/wifiPass.py
NullRAT/upx/upx.exe
.exe windows:4 windows x86 arch:x86

Headers

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DEBUG_STRIPPED

Sections

UPX0
Size: - Virtual size: 1.7MB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

UPX1
Size: 515KB - Virtual size: 516KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 2KB - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
out.upx
.exe windows:4 windows x86 arch:x86

Headers

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DEBUG_STRIPPED

Sections

.text
Size: 1016KB - Virtual size: 1016KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 2KB - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rdata
Size: 1.1MB - Virtual size: 1.1MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.bss
Size: - Virtual size: 12KB

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: 56B

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

.rsrc
Size: 1KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
compiler.exe
.exe windows:4 windows x86 arch:x86

8e70a8eeb4116bb61cbfcec32d883cfe

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_LARGE_ADDRESS_AWARE
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DEBUG_STRIPPED

Imports

kernel32

AddVectoredExceptionHandler
CloseHandle
CreateEventA
CreateSemaphoreA
DeleteCriticalSection
DuplicateHandle
EnterCriticalSection
FreeLibrary
GetCurrentProcess
GetCurrentProcessId
GetCurrentThread
GetCurrentThreadId
GetHandleInformation
GetLastError
GetModuleHandleA
GetModuleHandleW
GetProcAddress
GetProcessAffinityMask
GetStartupInfoA
GetSystemTimeAsFileTime
GetThreadContext
GetThreadPriority
GetTickCount
InitializeCriticalSection
IsDBCSLeadByteEx
IsDebuggerPresent
LeaveCriticalSection
LoadLibraryA
MultiByteToWideChar
OpenProcess
OutputDebugStringA
QueryPerformanceCounter
QueryPerformanceFrequency
RaiseException
ReleaseSemaphore
RemoveVectoredExceptionHandler
ResetEvent
ResumeThread
SetEvent
SetLastError
SetProcessAffinityMask
SetThreadContext
SetThreadPriority
SetUnhandledExceptionFilter
Sleep
SuspendThread
TlsAlloc
TlsGetValue
TlsSetValue
TryEnterCriticalSection
VirtualProtect
VirtualQuery
WaitForMultipleObjects
WaitForSingleObject
WideCharToMultiByte

msvcrt

__getmainargs
__initenv
__lconv_init
__mb_cur_max
__p__acmdln
__p__commode
__p__fmode
__set_app_type
__setusermatherr
_amsg_exit
_beginthreadex
_cexit
_endthreadex
_environ
_errno
_fileno
_get_osfhandle
_initterm
_iob
_isatty
_lock
_onexit
_setjmp3
_setmode
_strdup
_ultoa
_unlock
_vsnprintf
_vsnwprintf
_wfopen
_wgetenv
_wputenv
abort
atoi
calloc
clearerr
exit
fclose
ferror
fflush
fgetc
fgets
fgetwc
fprintf
fputc
fread
free
fseek
ftell
fwrite
getc
getenv
localeconv
longjmp
malloc
memchr
memcpy
memmove
memset
printf
realloc
setlocale
setvbuf
signal
strchr
strerror
strlen
strncmp
system
ungetc
vfprintf
wcslen
wcstombs

Sections

.text
Size: 209KB - Virtual size: 209KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 1024B - Virtual size: 672B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rdata
Size: 28KB - Virtual size: 28KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

/4
Size: 41KB - Virtual size: 40KB

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: 3KB - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.CRT
Size: 512B - Virtual size: 56B

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: 6KB - Virtual size: 6KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

Headers

File Characteristics

Sections

UPX0 Size: - Virtual size: 1.7MB

UPX1 Size: 515KB - Virtual size: 516KB

.rsrc Size: 2KB - Virtual size: 4KB

Headers

File Characteristics

Sections

.text Size: 1016KB - Virtual size: 1016KB

.data Size: 2KB - Virtual size: 2KB

.rdata Size: 1.1MB - Virtual size: 1.1MB

.bss Size: - Virtual size: 12KB

.idata Size: 4KB - Virtual size: 4KB

.CRT Size: 512B - Virtual size: 56B

.tls Size: 512B - Virtual size: 8B

.rsrc Size: 1KB - Virtual size: 1KB

8e70a8eeb4116bb61cbfcec32d883cfe

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

msvcrt

Sections

.text Size: 209KB - Virtual size: 209KB

.data Size: 1024B - Virtual size: 672B

.rdata Size: 28KB - Virtual size: 28KB

/4 Size: 41KB - Virtual size: 40KB

.bss Size: - Virtual size: 3KB

.idata Size: 3KB - Virtual size: 3KB

.CRT Size: 512B - Virtual size: 56B

.tls Size: 512B - Virtual size: 8B

.reloc Size: 6KB - Virtual size: 6KB

UPX0
Size: - Virtual size: 1.7MB

UPX1
Size: 515KB - Virtual size: 516KB

.rsrc
Size: 2KB - Virtual size: 4KB

.text
Size: 1016KB - Virtual size: 1016KB

.data
Size: 2KB - Virtual size: 2KB

.rdata
Size: 1.1MB - Virtual size: 1.1MB

.bss
Size: - Virtual size: 12KB

.idata
Size: 4KB - Virtual size: 4KB

.CRT
Size: 512B - Virtual size: 56B

.tls
Size: 512B - Virtual size: 8B

.rsrc
Size: 1KB - Virtual size: 1KB

.text
Size: 209KB - Virtual size: 209KB

.data
Size: 1024B - Virtual size: 672B

.rdata
Size: 28KB - Virtual size: 28KB

/4
Size: 41KB - Virtual size: 40KB

.bss
Size: - Virtual size: 3KB

.idata
Size: 3KB - Virtual size: 3KB

.CRT
Size: 512B - Virtual size: 56B

.tls
Size: 512B - Virtual size: 8B

.reloc
Size: 6KB - Virtual size: 6KB