ntwritefile-32bit[.]exe

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General

Target

ntwritefile-32bit.exe
Size

46KB
MD5

0de394fbf7f1a1f0ec64f4cafb9e0636
SHA1

170c7545c8607c2cade758824ea6de82b11f4a6a
SHA256

ae12abaa10b649c5b86b65f37cee4f8ff108298a0a73448005e4749528de144a
SHA512

0766e9a9e58885bb7f797f19912491c6ffbe758cd863b322e8e62eda4ed1b9ec46621a32fab620a3169b2e1ea82a5de8e37a263f949beaa3062105737164472b
SSDEEP

768:RP0ydRWye0pi+wOOSKRGYpWOhzntnVtIaiWQ:v8yNpi+mSKRvufWQ

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
ntwritefile-32bit.exe

Files

ntwritefile-32bit.exe
.exe windows:4 windows x86 arch:x86

b4e0c1c6037ea789ab86837b4f732111

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
InitializeCriticalSection
IsDBCSLeadByteEx
LeaveCriticalSection
LoadLibraryA
MultiByteToWideChar
SetUnhandledExceptionFilter
Sleep
TlsGetValue
VirtualProtect
VirtualQuery
WideCharToMultiByte

msvcrt

__getmainargs
__initenv
__mb_cur_max
__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
vfprintf
wcslen

ntdll

NtCreateFile
NtWriteFile
RtlInitUnicodeString

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: 4KB - Virtual size: 3KB

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

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

b4e0c1c6037ea789ab86837b4f732111

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

msvcrt

ntdll

Sections

.text Size: 29KB - Virtual size: 29KB

.data Size: 512B - Virtual size: 84B

.rdata Size: 4KB - Virtual size: 3KB

.eh_fram Size: 5KB - Virtual size: 5KB

.bss Size: - Virtual size: 2KB

.idata Size: 2KB - Virtual size: 1KB

.CRT Size: 512B - Virtual size: 48B

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

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

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

.text
Size: 29KB - Virtual size: 29KB

.data
Size: 512B - Virtual size: 84B

.rdata
Size: 4KB - Virtual size: 3KB

.eh_fram
Size: 5KB - Virtual size: 5KB

.bss
Size: - Virtual size: 2KB

.idata
Size: 2KB - Virtual size: 1KB

.CRT
Size: 512B - Virtual size: 48B

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

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

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