The Nightfall[.]exe

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General

Target

The Nightfall.exe
Size

58.8MB
MD5

3916a69e2a3de24ef858fd984f51339c
SHA1

6a29afb9575cb6086b18ace3cde25585783b5087
SHA256

fb71e81ddb99c197ed2977979915cd6df857d833972b63e80fbac7d12c400873
SHA512

e60818ed95928dde1b990e6f1c88935bd335897afcf390ab738808e14637d7ee80bd70b9c846b4fedc621eab42e28633e209f1f95d767502ce637957810b540e
SSDEEP

786432:0BbJuJma5SDrgEKL7ea+zt3B/oMJB1qFpIJBlvkjIf3hlUOrytldykn8KSr:0RgJma4DMWn8MgMBlvn3rUgyhyyXS

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
The Nightfall.exe

Files

The Nightfall.exe
.exe windows:6 windows x64 arch:x64

e7d70664c989c41305a1d8de5286f298

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE

PDB Paths

Imports

kernel32

AcquireSRWLockExclusive
AddDllDirectory
AddVectoredContinueHandler
AreFileApisANSI
AssignProcessToJobObject
Beep
CancelIoEx
CancelSynchronousIo
CloseHandle
CopyFileW
CreateDirectoryExW
CreateDirectoryW
CreateEventA
CreateEventW
CreateFileW
CreateIoCompletionPort
CreateJobObjectW
CreateNamedPipeW
CreatePipe
CreateProcessW
CreateSymbolicLinkW
CreateThread
CreateTimerQueue
CreateTimerQueueTimer
CreateToolhelp32Snapshot
DefineDosDeviceW
DeleteCriticalSection
DeleteFileW
DeleteTimerQueueEx
DeleteTimerQueueTimer
DeviceIoControl
DuplicateHandle
EnterCriticalSection
ExitThread
FileTimeToLocalFileTime
FileTimeToSystemTime
FindClose
FindCloseChangeNotification
FindFirstChangeNotificationW
FindFirstFileW
FindNextChangeNotification
FindNextFileW
FlushConsoleInputBuffer
FlushFileBuffers
FormatMessageA
FormatMessageW
FreeEnvironmentStringsA
FreeEnvironmentStringsW
FreeLibrary
GenerateConsoleCtrlEvent
GetACP
GetActiveProcessorCount
GetActiveProcessorGroupCount
GetBinaryTypeW
GetCPInfo
GetCommandLineW
GetConsoleCP
GetConsoleMode
GetConsoleOutputCP
GetConsoleScreenBufferInfo
GetConsoleScreenBufferInfoEx
GetCurrentDirectoryW
GetCurrentProcess
GetCurrentProcessId
GetCurrentThread
GetCurrentThreadId
GetDiskFreeSpaceW
GetEnvironmentStrings
GetEnvironmentStringsW
GetEnvironmentVariableW
GetExitCodeProcess
GetExitCodeThread
GetFileAttributesA
GetFileAttributesExW
GetFileAttributesW
GetFileInformationByHandle
GetFileSizeEx
GetFileTime
GetFileType
GetFinalPathNameByHandleW
GetFullPathNameW
GetLastError
GetLocalTime
GetLogicalDrives
GetLongPathNameW
GetModuleFileNameW
GetModuleHandleA
GetModuleHandleW
GetNumaHighestNodeNumber
GetNumaNodeProcessorMask
GetNumberOfConsoleInputEvents
GetOEMCP
GetOverlappedResult
GetProcAddress
GetProcessAffinityMask
GetProcessId
GetProcessTimes
GetQueuedCompletionStatusEx
GetShortPathNameW
GetStartupInfoA
GetStdHandle
GetSystemDirectoryW
GetSystemInfo
GetSystemTime
GetSystemTimeAdjustment
GetSystemTimeAsFileTime
GetTempFileNameW
GetTempPathW
GetThreadTimes
GetTickCount
GetTickCount64
GetTimeFormatEx
GetTimeFormatW
GetTimeZoneInformation
GetWindowsDirectoryW
GlobalMemoryStatusEx
InitializeConditionVariable
InitializeCriticalSection
InitializeSRWLock
IsDBCSLeadByteEx
K32EnumProcessModules
K32GetModuleFileNameExW
K32GetModuleInformation
LeaveCriticalSection
LoadLibraryExW
LoadLibraryW
LocalFileTimeToFileTime
LocalFree
LockFileEx
Module32FirstW
Module32NextW
MoveFileExW
MoveFileW
MultiByteToWideChar
OpenProcess
OpenThread
OutputDebugStringA
PeekConsoleInputA
PeekNamedPipe
PostQueuedCompletionStatus
Process32FirstW
Process32NextW
QueryInformationJobObject
QueryPerformanceCounter
QueryPerformanceFrequency
ReadConsoleInputA
ReadConsoleInputW
ReadConsoleW
ReadFile
ReleaseSRWLockExclusive
RemoveDirectoryW
RemoveDllDirectory
RemoveVectoredContinueHandler
ResetEvent
ResumeThread
RtlAddFunctionTable
RtlDeleteFunctionTable
SearchPathW
SetConsoleCP
SetConsoleCtrlHandler
SetConsoleCursorPosition
SetConsoleMode
SetConsoleOutputCP
SetConsoleScreenBufferSize
SetCurrentDirectoryW
SetEndOfFile
SetEnvironmentVariableW
SetEvent
SetFileApisToANSI
SetFileApisToOEM
SetFileAttributesW
SetFileCompletionNotificationModes
SetFilePointerEx
SetFileTime
SetHandleCount
SetHandleInformation
SetInformationJobObject
SetLastError
SetLocalTime
SetNamedPipeHandleState
SetSystemTime
SetSystemTimeAdjustment
SetThreadAffinityMask
SetThreadGroupAffinity
SetUnhandledExceptionFilter
SetVolumeLabelW
Sleep
SleepConditionVariableSRW
SwitchToThread
SystemTimeToFileTime
TerminateJobObject
TerminateProcess
TlsAlloc
TlsFree
TlsGetValue
TlsSetValue
TryAcquireSRWLockExclusive
UnlockFileEx
UnmapViewOfFile
VirtualAlloc
VirtualAllocExNuma
VirtualFree
VirtualProtect
VirtualQuery
WaitForSingleObject
WakeAllConditionVariable
WakeConditionVariable
WideCharToMultiByte
WriteConsoleW
WriteFile
__C_specific_handler

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

_aligned_free
_aligned_malloc
_set_new_mode
calloc
free
malloc
realloc

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

memchr
memcmp
memcpy
memmove
strrchr
strstr

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

__p___argc
__p___argv
__p___wargv
__p__acmdln
_assert
_beginthreadex
_cexit
_configure_narrow_argv
_configure_wide_argv
_crt_at_quick_exit
_crt_atexit
_errno
_fpreset
_getpid
_initialize_narrow_environment
_initialize_wide_environment
_initterm
_set_app_type
_set_invalid_parameter_handler
_wassert
abort
exit
raise
signal
strerror

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

__acrt_iob_func
__p__commode
__p__fmode
__stdio_common_vfprintf
__stdio_common_vfwprintf
__stdio_common_vswprintf
__stdio_common_vswprintf_s
_chsize_s
_close
_creat
_dup
_dup2
_fileno
_get_osfhandle
_isatty
_lseeki64
_open_osfhandle
_pipe
_read
_setmode
_wfdopen
_write
fclose
feof
fflush
fputc
fputwc
fread
fseek
ftell
fwrite
getc
puts
ungetc

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

_strdup
_wcsdup
isspace
isxdigit
mbrlen
memset
strcmp
strcpy
strlen
strncmp
strncpy
strtok
tolower
wcscat
wcscmp
wcscpy
wcslen
wcsncmp

shell32

CommandLineToArgvW
SHGetFolderPathW

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

__p__environ
__p__wenviron
getenv

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

atof
atoi
mbrtowc
mbstowcs
strtol
strtoll
strtoul
strtoull
wcrtomb

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

_configthreadlocale
localeconv
setlocale

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

__setusermatherr
acos
acosh
acoshf
asin
asinh
asinhf
atan
atanh
atanhf
cosh
exp2
expm1
expm1f
log1p
log1pf
log2
sinh
tan
tanh
tanhf

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

__daylight
__timezone
__tzname
_ctime64
_time64
_tzset
_utime64
clock

advapi32

GetUserNameW

ole32

CoCreateGuid

rpcrt4

RpcStringFreeW
UuidToStringW

ws2_32

WSACreateEvent
WSAEventSelect
closesocket
recv
select
send

user32

ClipCursor
ExitWindowsEx
GetClipCursor
GetCursorPos
GetLastInputInfo
KillTimer
LoadAcceleratorsW
LoadCursorW
LoadIconW
MessageBeep
MessageBoxA
MessageBoxW
SetCursorPos
SetTimer

winmm

timeGetTime

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

qsort

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

_access
_chmod
_fstat64
_lock_file
_mkdir
_umask
_unlink
_unlock_file
_wsplitpath_s
_wstat64

dbghelp

MiniDumpWriteDump
StackWalk64
SymFromAddr
SymFunctionTableAccess64
SymGetLineFromAddr64
SymGetModuleBase64
SymInitialize

ntdll

NtQueryObject

gdi32

DeleteObject
Polygon

Sections

.text
Size: 11.0MB - Virtual size: 11.0MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 45.2MB - Virtual size: 45.2MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.buildid
Size: 512B - Virtual size: 53B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 1.9MB - Virtual size: 1.9MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 20KB - Virtual size: 19KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.tls
Size: 512B - Virtual size: 24B

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: 371KB - Virtual size: 371KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/4
Size: 16KB - Virtual size: 15KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/18
Size: 512B - Virtual size: 288B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/33
Size: 512B - Virtual size: 240B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/46
Size: 70KB - Virtual size: 70KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/58
Size: 62KB - Virtual size: 62KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/70
Size: 141KB - Virtual size: 140KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/81
Size: 15KB - Virtual size: 15KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/95
Size: 35KB - Virtual size: 35KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

e7d70664c989c41305a1d8de5286f298

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

kernel32

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

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

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

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

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

shell32

api-ms-win-crt-environment-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

advapi32

ole32

rpcrt4

ws2_32

user32

winmm

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

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

dbghelp

ntdll

gdi32

Sections

.text Size: 11.0MB - Virtual size: 11.0MB

.rdata Size: 45.2MB - Virtual size: 45.2MB

.buildid Size: 512B - Virtual size: 53B

.data Size: 1.9MB - Virtual size: 1.9MB

.pdata Size: 20KB - Virtual size: 19KB

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

.tls Size: 512B - Virtual size: 24B

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

.reloc Size: 371KB - Virtual size: 371KB

/4 Size: 16KB - Virtual size: 15KB

/18 Size: 512B - Virtual size: 288B

/33 Size: 512B - Virtual size: 240B

/46 Size: 70KB - Virtual size: 70KB

/58 Size: 62KB - Virtual size: 62KB

/70 Size: 141KB - Virtual size: 140KB

/81 Size: 15KB - Virtual size: 15KB

/95 Size: 35KB - Virtual size: 35KB

.text
Size: 11.0MB - Virtual size: 11.0MB

.rdata
Size: 45.2MB - Virtual size: 45.2MB

.buildid
Size: 512B - Virtual size: 53B

.data
Size: 1.9MB - Virtual size: 1.9MB

.pdata
Size: 20KB - Virtual size: 19KB

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

.tls
Size: 512B - Virtual size: 24B

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

.reloc
Size: 371KB - Virtual size: 371KB

/4
Size: 16KB - Virtual size: 15KB

/18
Size: 512B - Virtual size: 288B

/33
Size: 512B - Virtual size: 240B

/46
Size: 70KB - Virtual size: 70KB

/58
Size: 62KB - Virtual size: 62KB

/70
Size: 141KB - Virtual size: 140KB

/81
Size: 15KB - Virtual size: 15KB

/95
Size: 35KB - Virtual size: 35KB