windows_shellcode_loader[.]exe

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General

Target

windows_shellcode_loader.exe
Size

1.8MB
MD5

880a88bc4d6883b288e9fe5991396afc
SHA1

f448f7266c97e98fb8fdfa90d33ad775ee8ac3cc
SHA256

2437709b8e2f53f242849d6b45ebabd03226ee70d508926746989c368ffc3df7
SHA512

16d4014a54a416785fe2d784370a839c4fd56c6bc394f68edea3dc02b9e9bf0891f4f4a286ce874de1e41262a7debdd15ddf3b05d146851c083ac5f2a7bd0a44
SSDEEP

49152:a2LkiBtAvvAEF5+sFrguhJ2B+qVIUZKrhpE94IU6i:eFjODFH+

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
windows_shellcode_loader.exe

Files

windows_shellcode_loader.exe
.exe windows:6 windows x64 arch:x64

0d04c5795b70ce371e6c5cf2c6ddfc12

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

windows_shellcode_loader.pdb

Imports

api-ms-win-core-synch-l1-2-0

WaitOnAddress
WakeByAddressAll
WakeByAddressSingle

bcryptprimitives

ProcessPrng

bcrypt

BCryptGenRandom

advapi32

GetTokenInformation
OpenProcessToken
SystemFunction036

kernel32

SetUnhandledExceptionFilter
InitializeSListHead
GetSystemTimeAsFileTime
IsProcessorFeaturePresent
IsDebuggerPresent
UnhandledExceptionFilter
HeapAlloc
GetProcessHeap
HeapFree
CloseHandle
HeapReAlloc
GetCurrentProcess
WaitForMultipleObjects
GetOverlappedResult
GetLastError
VirtualAlloc
VirtualProtect
WaitForSingleObject
GetExitCodeProcess
AddVectoredExceptionHandler
SetThreadStackGuarantee
GetCurrentThread
GetSystemTimePreciseAsFileTime
SetLastError
GetCurrentDirectoryW
RtlCaptureContext
RtlLookupFunctionEntry
WaitForSingleObjectEx
LoadLibraryA
GetProcAddress
lstrlenW
GetCurrentProcessId
CreateMutexA
ReleaseMutex
RtlVirtualUnwind
WideCharToMultiByte
GetStdHandle
GetConsoleMode
GetConsoleOutputCP
MultiByteToWideChar
WriteConsoleW
GetEnvironmentVariableW
GetModuleHandleA
CreateWaitableTimerExW
SetWaitableTimer
Sleep
QueryPerformanceFrequency
GetModuleHandleW
FormatMessageW
GetModuleFileNameW
GetCommandLineW
GetFullPathNameW
CreateFileW
SetFileInformationByHandle
GetFileInformationByHandle
GetFileInformationByHandleEx
ReadConsoleW
SetHandleInformation
GetEnvironmentStringsW
FreeEnvironmentStringsW
CompareStringOrdinal
GetSystemDirectoryW
GetWindowsDirectoryW
CreateProcessW
GetFileAttributesW
DuplicateHandle
CreateNamedPipeW
CreateThread
WriteFileEx
SleepEx
ReadFileEx
CreateEventW
CancelIo
ReadFile
ExitProcess
QueryPerformanceCounter
TerminateProcess
GetCurrentThreadId

shell32

ShellExecuteW

ntdll

RtlNtStatusToDosError
NtWriteFile
NtReadFile

ws2_32

freeaddrinfo
WSASocketW
getsockopt
setsockopt
recv
WSARecv
WSACleanup
getpeername
getsockname
WSADuplicateSocketW
ioctlsocket
send
connect
accept
select
bind
WSAStartup
getaddrinfo
closesocket
WSAGetLastError
listen
WSASend

vcruntime140

__current_exception
__current_exception_context
__C_specific_handler
memmove
memset
__CxxFrameHandler3
memcpy
memcmp

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

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

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: 1.2MB - Virtual size: 1.2MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 550KB - Virtual size: 549KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 512B - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 21KB - Virtual size: 20KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.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

0d04c5795b70ce371e6c5cf2c6ddfc12

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

api-ms-win-core-synch-l1-2-0

bcryptprimitives

bcrypt

advapi32

kernel32

shell32

ntdll

ws2_32

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: 1.2MB - Virtual size: 1.2MB

.rdata Size: 550KB - Virtual size: 549KB

.data Size: 512B - Virtual size: 2KB

.pdata Size: 21KB - Virtual size: 20KB

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

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

.text
Size: 1.2MB - Virtual size: 1.2MB

.rdata
Size: 550KB - Virtual size: 549KB

.data
Size: 512B - Virtual size: 2KB

.pdata
Size: 21KB - Virtual size: 20KB

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

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