Nebula_Loader[.]exe

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General

Target

Nebula_Loader.exe
Size

5.7MB
MD5

8891f49c6fb9acbeca4af0cc13d75a0e
SHA1

bdc8b94b6f8144bd53061e5593e14b0a1be93150
SHA256

c648a734a6949299113f2f8d677215651270bb675bfdb625e68dc0ad63eaef2d
SHA512

7d4706c6fd989863409939f03e38838a425109da411c70854c3714f85c13809909072f4f38e1be9b3e057a93a63ec9fc92ae1b3a6f42d8adec9cc84339598adf
SSDEEP

49152:fZ/A+ELXDCTUjqoKzRvvhr+pBGGTImZ12h6rLVUYpO07j7Nhiq3GHrWaeQrgSfS:aLTklzgXeeFik3RgbllR+tre/11

Score

N/A

Malware Config

Signatures

Files

Nebula_Loader.exe
.exe windows x64

b4181b9c60017d611413cfd6323db23c

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

Imports

secur32

FreeCredentialsHandle
ApplyControlToken
AcquireCredentialsHandleA
DeleteSecurityContext
DecryptMessage
AcceptSecurityContext
InitializeSecurityContextW
FreeContextBuffer
EncryptMessage
QueryContextAttributesW

kernel32

IsProcessorFeaturePresent
InitializeSListHead
IsDebuggerPresent
UnhandledExceptionFilter
SetUnhandledExceptionFilter
WriteConsoleW
GetConsoleMode
GetSystemTimeAsFileTime
CloseHandle
AcquireSRWLockExclusive
ReleaseSRWLockExclusive
GetProcAddress
Sleep
GetModuleHandleA
RtlVirtualUnwind
TryAcquireSRWLockExclusive
ReleaseSRWLockShared
AcquireSRWLockShared
SleepConditionVariableSRW
GetSystemInfo
SetHandleInformation
GetCurrentProcessId
CreateIoCompletionPort
GetQueuedCompletionStatusEx
SetFileCompletionNotificationModes
PostQueuedCompletionStatus
FreeEnvironmentStringsW
ReleaseMutex
FindClose
CompareStringOrdinal
GetLastError
AddVectoredExceptionHandler
SetThreadStackGuarantee
GetCurrentThread
SwitchToThread
GetCurrentProcess
RtlCaptureContext
RtlLookupFunctionEntry
SetLastError
GetCurrentDirectoryW
GetEnvironmentStringsW
GetEnvironmentVariableW
SetFilePointerEx
DuplicateHandle
GetStdHandle
WriteFileEx
SleepEx
WaitForSingleObject
TerminateProcess
QueryPerformanceCounter
WakeAllConditionVariable
WakeConditionVariable
QueryPerformanceFrequency
HeapAlloc
GetProcessHeap
HeapFree
HeapReAlloc
WaitForSingleObjectEx
LoadLibraryA
CreateMutexA
CreateFileW
GetFileInformationByHandle
DeviceIoControl
FindFirstFileW
GetFinalPathNameByHandleW
GetModuleHandleW
FormatMessageW
GetModuleFileNameW
GetFullPathNameW
CreateNamedPipeW
ReadFileEx
GetSystemDirectoryW
GetFileAttributesW
GetWindowsDirectoryW
CreateProcessW
CreateThread
TlsGetValue
TlsSetValue
GetCurrentThreadId

advapi32

RegCloseKey
RegQueryValueExW
RegOpenKeyExW
GetUserNameW
SystemFunction036

ws2_32

getaddrinfo
WSAGetLastError
WSAStartup
WSACleanup
WSAIoctl
setsockopt
WSASend
send
recv
shutdown
getsockopt
ioctlsocket
connect
bind
WSASocketW
getpeername
closesocket
getsockname
freeaddrinfo

crypt32

CertVerifyCertificateChainPolicy
CertGetCertificateChain
CertCloseStore
CertOpenStore
CertAddCertificateContextToStore
CertEnumCertificatesInStore
CertDuplicateCertificateChain
CertDuplicateStore
CertFreeCertificateChain
CertDuplicateCertificateContext
CertFreeCertificateContext

ntdll

NtCreateFile
NtDeviceIoControlFile
NtCancelIoFileEx
RtlNtStatusToDosError

bcrypt

BCryptGenRandom

vcruntime140

memcpy
__CxxFrameHandler3
memcmp
memmove
__current_exception_context
__current_exception
__C_specific_handler
_CxxThrowException
memset

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

_get_initial_narrow_environment
_initterm
_initialize_narrow_environment
exit
_exit
_register_thread_local_exe_atexit_callback
_configure_narrow_argv
_set_app_type
_seh_filter_exe
_c_exit
_cexit
__p___argc
_initterm_e
terminate
_crt_atexit
_register_onexit_function
_initialize_onexit_table
__p___argv

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

__setusermatherr

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

_set_fmode
__p__commode

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

_configthreadlocale

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

_set_new_mode
free

Sections

.text
Size: 3.8MB - Virtual size: 3.8MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 1.7MB - Virtual size: 1.7MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 12KB - Virtual size: 14KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 196KB - Virtual size: 196KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 1024B - Virtual size: 520B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 34KB - Virtual size: 33KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

b4181b9c60017d611413cfd6323db23c

Headers

DLL Characteristics

File Characteristics

Imports

secur32

kernel32

advapi32

ws2_32

crypt32

ntdll

bcrypt

vcruntime140

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

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

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

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

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

Sections

.text Size: 3.8MB - Virtual size: 3.8MB

.rdata Size: 1.7MB - Virtual size: 1.7MB

.data Size: 12KB - Virtual size: 14KB

.pdata Size: 196KB - Virtual size: 196KB

.rsrc Size: 1024B - Virtual size: 520B

.reloc Size: 34KB - Virtual size: 33KB

.text
Size: 3.8MB - Virtual size: 3.8MB

.rdata
Size: 1.7MB - Virtual size: 1.7MB

.data
Size: 12KB - Virtual size: 14KB

.pdata
Size: 196KB - Virtual size: 196KB

.rsrc
Size: 1024B - Virtual size: 520B

.reloc
Size: 34KB - Virtual size: 33KB