Nezur[.]exe | Triage

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General

Target

Nezur.exe
Size

14.6MB
MD5

4c5acb14fb2c14d6145748dadfedcb35
SHA1

f17350d6e2a95ceed1e29fba222ee267c2897b26
SHA256

0078b7a05b1d4141dfe1e553d884956071fed02d21e4d11f1913405551a73fc6
SHA512

8ed9ab3440b3d41a4bfaec6d50a8bc52b7acf3b50e1a7e77d1b7d5d559afe59bcd400dc3e1e1cfdfab2559e176d476e05222d579313b9f5f0dc9706c36f56df0
SSDEEP

98304:ziHbalWeWP84rAJzM0gLIRfyC7egWJw56w65z/vA/OcOQi8ur+xMsnKMCFJlIszH:cOM8Wb0guhegB56w6Vr8ucnmtzH

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
Nezur.exe

Files

Nezur.exe
.exe windows:6 windows x86 arch:x86

1accf73e88d828d33d704bcbd721fd92

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_GUARD_CF
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE

Imports

kernel32

FindNextFileW
GetCurrentProcess
GetModuleHandleExW
GetModuleFileNameW
LeaveCriticalSection
InitializeCriticalSection
GetEnvironmentVariableW
FindClose
MultiByteToWideChar
GetLastError
GetFileAttributesExW
GetFullPathNameW
GetProcAddress
DeleteCriticalSection
WideCharToMultiByte
IsWow64Process
LoadLibraryExW
FreeLibrary
TlsFree
TlsSetValue
TlsGetValue
TlsAlloc
EnterCriticalSection
FindFirstFileExW
OutputDebugStringW
LoadLibraryA
GetModuleHandleW
InitializeCriticalSectionAndSpinCount
SetLastError
RaiseException
RtlUnwind
InitializeSListHead
GetSystemTimeAsFileTime
GetCurrentThreadId
GetCurrentProcessId
QueryPerformanceCounter
IsDebuggerPresent
TerminateProcess
SetUnhandledExceptionFilter
UnhandledExceptionFilter
IsProcessorFeaturePresent
LCMapStringEx
DecodePointer
EncodePointer
InitializeCriticalSectionEx
GetStringTypeW

user32

MessageBoxW

shell32

ShellExecuteW

advapi32

RegOpenKeyExW
RegGetValueW
DeregisterEventSource
RegisterEventSourceW
ReportEventW
RegCloseKey

api-ms-win-crt-runtime-l1-1-0

_register_onexit_function
__p___argc
_invalid_parameter_noinfo_noreturn
__p___wargv
_c_exit
_exit
exit
_initterm_e
_initterm
_get_initial_wide_environment
_initialize_wide_environment
_register_thread_local_exe_atexit_callback
_configure_wide_argv
_controlfp_s
_set_app_type
_seh_filter_exe
_errno
abort
_cexit
_crt_atexit
terminate
_initialize_onexit_table

api-ms-win-crt-stdio-l1-1-0

__stdio_common_vsprintf_s
setvbuf
__stdio_common_vfwprintf
__acrt_iob_func
fputwc
fputws
__stdio_common_vswprintf
__stdio_common_vsnwprintf_s
_wfsopen
fflush
__p__commode
_set_fmode

api-ms-win-crt-heap-l1-1-0

_callnewh
_set_new_mode
free
malloc
calloc

api-ms-win-crt-string-l1-1-0

wcsnlen
strcpy_s
_wcsdup
strcspn
wcsncmp
toupper

api-ms-win-crt-convert-l1-1-0

wcstoul
_wtoi

api-ms-win-crt-locale-l1-1-0

__pctype_func
_unlock_locales
_lock_locales
___lc_locale_name_func
___lc_codepage_func
___mb_cur_max_func
_configthreadlocale
setlocale
localeconv

api-ms-win-crt-math-l1-1-0

frexp
__setusermatherr

api-ms-win-crt-time-l1-1-0

_gmtime64_s
wcsftime
_time64

Sections

.text
Size: 77KB - Virtual size: 77KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 2KB - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.reloc
Size: 5KB - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

.rsrc
Size: 9KB - Virtual size: 8KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

1accf73e88d828d33d704bcbd721fd92

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

shell32

advapi32

api-ms-win-crt-runtime-l1-1-0

api-ms-win-crt-stdio-l1-1-0

api-ms-win-crt-heap-l1-1-0

api-ms-win-crt-string-l1-1-0

api-ms-win-crt-convert-l1-1-0

api-ms-win-crt-locale-l1-1-0

api-ms-win-crt-math-l1-1-0

api-ms-win-crt-time-l1-1-0

Sections

.text Size: 77KB - Virtual size: 77KB

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

.data Size: 2KB - Virtual size: 3KB

.reloc Size: 5KB - Virtual size: 4KB

.rsrc Size: 9KB - Virtual size: 8KB

.text
Size: 77KB - Virtual size: 77KB

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

.data
Size: 2KB - Virtual size: 3KB

.reloc
Size: 5KB - Virtual size: 4KB

.rsrc
Size: 9KB - Virtual size: 8KB