ByteCodeGenerator[.]exe

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General

Target

ByteCodeGenerator.exe
Size

67KB
MD5

b6094f2790259ee25ece77ec3a6e8848
SHA1

2ec95d3d5da85abe4127ea979def6f6425a0e152
SHA256

907dcb34e03ac67c01174590643bd3053b6d7e9dd6d2403c540b41a211144785
SHA512

005133bf6965440710ef322ac8ae4fd1b0d22e3be40d4f4a785a5e153f1a897efd348e2dd9ec175bf6c2e4ee617ef47b1c24d5a3eea6297456cc1019be7fa501
SSDEEP

1536:Sx49GT+ZYp0V6cR3cz5InyhSQiCQrCFr5dOq/fSlio1:dsbpAYAycQVscrP/az

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
ByteCodeGenerator.exe

Files

ByteCodeGenerator.exe
.exe windows x86

a492260cb2334d9c0736e71aec6133b3

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_GUARD_CF
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE

Imports

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

_initterm_e
_initterm
_c_exit
_register_thread_local_exe_atexit_callback

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

_o__configthreadlocale
_o__configure_wide_argv
_o__controlfp_s
_o__crt_atexit
_o__errno
_o__exit
_o__get_initial_wide_environment
_o__initialize_onexit_table
_o__initialize_wide_environment
_o__invalid_parameter_noinfo
_o__purecall
_o__register_onexit_function
_o__seh_filter_exe
_o__set_app_type
_o__set_fmode
_o__set_new_mode
memmove
_o_exit
_o_free
_o_malloc
_o_memcpy_s
_o_terminate
__CxxFrameHandler3
__current_exception
__current_exception_context
_except_handler4_common
_CxxThrowException
_o___stdio_common_vsnwprintf_s
_o___stdio_common_vsnprintf_s
_o___std_exception_destroy
_o___std_exception_copy
_o___p__commode
_o___p___wargv
_o___p___argc
_o__cexit
_o__callnewh
__std_terminate
memcmp
memcpy

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

memset

ntdll

RtlDeleteElementGenericTableAvl
RtlInitUnicodeString
RtlInitializeGenericTableAvl
RtlCompareUnicodeString
RtlReleaseSRWLockShared
RtlEnumerateGenericTableWithoutSplayingAvl
RtlReleaseSRWLockExclusive
RtlAcquireSRWLockExclusive
RtlLookupElementGenericTableAvl
RtlConvertSidToUnicodeString
RtlFreeUnicodeString
NtQueryInformationThread
RtlInsertElementGenericTableAvl
NtSetInformationThread
RtlAcquireSRWLockShared
RtlNumberGenericTableElementsAvl
RtlUnsubscribeWnfNotificationWaitForCompletion
RtlSubscribeWnfStateChangeNotification
NtQuerySystemInformation
RtlReportException
RtlEnumerateGenericTableAvl

urlmon

CreateUri
CoInternetParseIUri

api-ms-win-security-base-l1-1-0

RevertToSelf
ImpersonateLoggedOnUser
GetTokenInformation

rpcrt4

RpcServerRegisterIf3
RpcEpRegisterW
RpcServerUnregisterIf
RpcServerListen
RpcMgmtStopServerListening
RpcBindingVectorFree
UuidFromStringW
RpcObjectSetType
RpcServerInqBindings
RpcServerUseProtseqEpW
NdrServerCall2

api-ms-win-core-registry-l1-1-0

RegGetValueW
RegOpenKeyExW
RegQueryValueExW
RegCloseKey

api-ms-win-core-processthreads-l1-1-0

ExitProcess
GetCurrentThread
GetCurrentProcessId
OpenThreadToken
TerminateProcess
GetCurrentThreadId
OpenProcessToken
GetCurrentProcess

api-ms-win-security-sddl-l1-1-0

ConvertStringSecurityDescriptorToSecurityDescriptorW

api-ms-win-core-com-l1-1-0

CoInitializeEx
CoTaskMemAlloc
CoTaskMemFree
CoCreateInstance
CoUninitialize

api-ms-win-eventing-provider-l1-1-0

EventRegister
EventUnregister
EventWriteTransfer

api-ms-win-eventing-classicprovider-l1-1-0

TraceMessage
UnregisterTraceGuids
RegisterTraceGuidsW
GetTraceEnableFlags
GetTraceLoggerHandle
GetTraceEnableLevel

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

FormatMessageW

api-ms-win-core-errorhandling-l1-1-0

UnhandledExceptionFilter
RaiseException
SetLastError
SetUnhandledExceptionFilter
GetLastError

api-ms-win-core-file-l1-1-0

SetEndOfFile
SetFilePointer
WriteFile
CreateFileW
GetFileAttributesExW
GetFileSizeEx

api-ms-win-core-debug-l1-1-0

IsDebuggerPresent
OutputDebugStringW
DebugBreak

api-ms-win-core-handle-l1-1-0

DuplicateHandle
CloseHandle

api-ms-win-core-heap-l2-1-0

LocalFree

api-ms-win-core-processthreads-l1-1-1

IsProcessorFeaturePresent

api-ms-win-core-profile-l1-1-0

QueryPerformanceCounter

api-ms-win-core-sysinfo-l1-1-0

GetSystemTimeAsFileTime

api-ms-win-core-interlocked-l1-1-0

InitializeSListHead

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

GetModuleHandleExW
FreeLibrary
GetProcAddress
LoadLibraryExW
GetModuleHandleW
GetModuleFileNameA

oleaut32

SysFreeString

api-ms-win-core-memory-l1-1-0

MapViewOfFile
UnmapViewOfFile
CreateFileMappingW

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

CompareStringOrdinal

api-ms-win-core-synch-l1-1-0

ReleaseSRWLockShared
CreateMutexExW
OpenSemaphoreW
WaitForSingleObjectEx
AcquireSRWLockExclusive
WaitForSingleObject
ReleaseSemaphore
CreateSemaphoreExW
ReleaseSRWLockExclusive
InitializeCriticalSectionEx
AcquireSRWLockShared
DeleteCriticalSection
ReleaseMutex
EnterCriticalSection
LeaveCriticalSection

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

GetProcessHeap
HeapFree
HeapAlloc

api-ms-win-core-io-l1-1-0

DeviceIoControl

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

CreateThreadpoolTimer
SetThreadpoolTimer
WaitForThreadpoolTimerCallbacks
CloseThreadpoolTimer

Sections

.text
Size: 54KB - Virtual size: 53KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 512B - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.idata
Size: 7KB - Virtual size: 6KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 2KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 3KB - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

a492260cb2334d9c0736e71aec6133b3

Headers

DLL Characteristics

File Characteristics

Imports

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

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

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

ntdll

urlmon

api-ms-win-security-base-l1-1-0

rpcrt4

api-ms-win-core-registry-l1-1-0

api-ms-win-core-processthreads-l1-1-0

api-ms-win-security-sddl-l1-1-0

api-ms-win-core-com-l1-1-0

api-ms-win-eventing-provider-l1-1-0

api-ms-win-eventing-classicprovider-l1-1-0

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

api-ms-win-core-errorhandling-l1-1-0

api-ms-win-core-file-l1-1-0

api-ms-win-core-debug-l1-1-0

api-ms-win-core-handle-l1-1-0

api-ms-win-core-heap-l2-1-0

api-ms-win-core-processthreads-l1-1-1

api-ms-win-core-profile-l1-1-0

api-ms-win-core-sysinfo-l1-1-0

api-ms-win-core-interlocked-l1-1-0

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

oleaut32

api-ms-win-core-memory-l1-1-0

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

api-ms-win-core-synch-l1-1-0

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

api-ms-win-core-io-l1-1-0

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

Sections

.text Size: 54KB - Virtual size: 53KB

.data Size: 512B - Virtual size: 1KB

.idata Size: 7KB - Virtual size: 6KB

.rsrc Size: 2KB - Virtual size: 1KB

.reloc Size: 3KB - Virtual size: 2KB

.text
Size: 54KB - Virtual size: 53KB

.data
Size: 512B - Virtual size: 1KB

.idata
Size: 7KB - Virtual size: 6KB

.rsrc
Size: 2KB - Virtual size: 1KB

.reloc
Size: 3KB - Virtual size: 2KB