shellcode_loader[.]exe

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General

Target

shellcode_loader.exe
Size

1.8MB
MD5

7d850bc7e19509f4dfe8e7965177a7f8
SHA1

c224ed1020eb582724c5b2fd06d9e9cf28fecb11
SHA256

ebc030bff7ec422a31186bf835b34a78923f47d780e6e7fc67b26b9a1bad611e
SHA512

100e6520d758b1f7854f70b38b40139de56ef16bfaab6241ba999e50332cce9d37a2a6aed1081fcbc53bb71fa62e97d17a776fc144cdbf025e85ce486533478c
SSDEEP

49152:9wl2T3SBOs3++1zZTFIfST7GIcaQ69H18+++L4IU6i4o:x0FUgH42H+4o

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
shellcode_loader.exe

Files

shellcode_loader.exe
.exe windows:6 windows x64 arch:x64

0728e8d2da5a63260fafbf6d50e9a6a3

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

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

ntdll

NtWriteFile
RtlNtStatusToDosError
NtReadFile

ws2_32

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

vcruntime140

__current_exception
__current_exception_context
memset
memcmp
memcpy
__CxxFrameHandler3
memmove
__C_specific_handler

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

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

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

__setusermatherr

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

__p__commode
_set_fmode

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

_configthreadlocale

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

free
_set_new_mode

Sections

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

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 549KB - 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

.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

0728e8d2da5a63260fafbf6d50e9a6a3

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

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

bcryptprimitives

bcrypt

advapi32

kernel32

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: 549KB - Virtual size: 549KB

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

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

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

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

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

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

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

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