ByteCodeGenerator[.]exe

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General

Target

ByteCodeGenerator.exe
Size

61KB
MD5

f1aca21fd97cdb4134ad2263547c0195
SHA1

26260643d59ffe3da666b371b46233a2815b71a5
SHA256

2ce98ed3f5c90b860025a4d98a006fd5e9804cfcfc9fe692381751b98120584d
SHA512

3a6bf63f7b49918fb4450d503379955c95472984d03dbb48d8f0cc576e220c7386fa2f665158fe67fd928e260923ed7a1c84be321583dfed0ff3c8f59763a30d
SSDEEP

1536:1S4aVf2q0HB8F9Mbp6E5filiMm+6JzukO98LLfS9cpDr:Rag2Tq5KVm+6JyQKcpDr

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
ByteCodeGenerator.exe

Files

ByteCodeGenerator.exe
.exe windows:10 windows x86

77d8be4fd119410e03c5b4ec9b020cf9

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
_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: 48KB - Virtual size: 47KB

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

77d8be4fd119410e03c5b4ec9b020cf9

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: 48KB - Virtual size: 47KB

.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: 48KB - Virtual size: 47KB

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

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

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

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