shellcode_loader[.]exe

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General

Target

shellcode_loader.exe
Size

1.7MB
MD5

7738fc1c644e75954d87e59f607c1dc1
SHA1

88797699e2449c749c3cf47b445e1802de3f0d0d
SHA256

aa25b09c0498daa80de2a413073b2e12c4dd5da6da775d67ca34622349d91eff
SHA512

08b8fdc3c181c7b76ec3b88dc04b7a8f2e73672ceb50743339558259a0a302b9b59704d5828a9f31b6505c5cdfbfcc93dc12a7944e8330ff8f1cafb38dd1ac06
SSDEEP

49152:4JbX0Bj7/5I+plh3dfd3hgkc+bVhdk4IU6ia:oG59eH+

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

0a000e10662da89455f55e70a9cf6457

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

ntdll

NtReadFile
RtlNtStatusToDosError
NtWriteFile

ws2_32

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

vcruntime140

__current_exception
__current_exception_context
memset
memcmp
memmove
__CxxFrameHandler3
memcpy
__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: 548KB - Virtual size: 548KB

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: 20KB - 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

0a000e10662da89455f55e70a9cf6457

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: 548KB - Virtual size: 548KB

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

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

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

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

.rdata
Size: 548KB - Virtual size: 548KB

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

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

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