void-external[.]exe

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General

Target

void-external.exe
Size

2.9MB
MD5

1b87ea5c1dfe016d0f916f86e63f8e3e
SHA1

513d8eb8642d14b8d00c2bbea847e396abf6293e
SHA256

5318c4d1349f7cfd6ac83ad2f10cd26b4c09ae3ed920ce5fd9c3e64aee918774
SHA512

ece93d1682c90bec8c071dea552fed41706f87dfb2c6ea12d423ae5ddbe2e536adbee2bc2f3bfd6b09777066a4f27787738868d075629cd1d33976b80a9fcb5a
SSDEEP

49152:5jhZHSVnBLjra8etymYtyjau0wyM+bTEftlenghEiSaplt:nlSzVyB05Utq8plt

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
void-external.exe

Files

void-external.exe
.exe windows:6 windows x64 arch:x64

91d5a1f2bf9353a5db2a44e7062cd5a0

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

D:\vs_source_files\rbx-external-base\Build\Esp\external-sdk.pdb

Imports

d3d11

D3D11CreateDevice

d3dcompiler_47

D3DCompile

dwmapi

DwmExtendFrameIntoClientArea

ws2_32

listen
recv
getaddrinfo
freeaddrinfo
htonl
sendto
getpeername
ioctlsocket
WSAResetEvent
gethostname
recvfrom
WSAEnumNetworkEvents
WSAWaitForMultipleEvents
getsockopt
closesocket
WSASetLastError
WSAGetLastError
WSAEventSelect
getsockname
ntohs
connect
bind
accept
select
__WSAFDIsSet
socket
htons
WSAIoctl
send
setsockopt
WSACleanup
WSACloseEvent
WSACreateEvent
WSAStartup

normaliz

IdnToAscii
IdnToUnicode

advapi32

GetLengthSid
OpenProcessToken
FreeSid
InitializeSecurityDescriptor
InitializeAcl
SetKernelObjectSecurity
RegCloseKey
RegQueryValueExA
RegOpenKeyExA
RegSetValueExA
LookupPrivilegeValueA
AllocateAndInitializeSid
RegDeleteKeyA
RegOpenKeyA
AdjustTokenPrivileges
SetSecurityDescriptorDacl
LookupPrivilegeValueW
RegCreateKeyA
CryptAcquireContextA
CryptReleaseContext
CryptGetHashParam
CryptCreateHash
ConvertSidToStringSidA
CopySid
SetSecurityInfo
IsValidSid
GetTokenInformation
AddAccessAllowedAce
CryptEncrypt
CryptImportKey
CryptDestroyKey
CryptDestroyHash
CryptHashData
AddAccessDeniedAce

crypt32

CertCloseStore
CertEnumCertificatesInStore
CertFindCertificateInStore
CertFreeCertificateContext
CryptStringToBinaryA
PFXImportCertStore
CryptDecodeObjectEx
CertAddCertificateContextToStore
CertFindExtension
CertGetNameStringA
CertOpenStore
CryptQueryObject
CertCreateCertificateChainEngine
CertFreeCertificateChainEngine
CertGetCertificateChain
CertFreeCertificateChain

wldap32

ord217
ord143
ord46
ord211
ord301
ord200
ord60
ord79
ord35
ord33
ord32
ord27
ord26
ord22
ord30
ord50
ord41
ord45

kernel32

FormatMessageA
GetFileInformationByHandleEx
GetLocaleInfoEx
GetTempPathW
SetFileInformationByHandle
GetFullPathNameW
GetFileAttributesExW
GetFileAttributesW
FindNextFileW
FindFirstFileExW
FindFirstFileW
FindClose
CreateDirectoryW
GetCurrentDirectoryW
AreFileApisANSI
QueryFullProcessImageNameW
GetModuleHandleW
InitOnceComplete
InitOnceBeginInitialize
WakeAllConditionVariable
SleepConditionVariableSRW
UnhandledExceptionFilter
SetUnhandledExceptionFilter
TerminateProcess
IsProcessorFeaturePresent
IsDebuggerPresent
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
OutputDebugStringW
GetModuleFileNameA
Sleep
QueryPerformanceFrequency
QueryPerformanceCounter
MultiByteToWideChar
GlobalAlloc
GlobalFree
GlobalLock
WideCharToMultiByte
GlobalUnlock
GetModuleHandleA
GetLocaleInfoA
LoadLibraryA
GetProcAddress
VerSetConditionMask
FreeLibrary
VirtualFree
DeviceIoControl
VirtualAlloc
LoadLibraryExA
GetCurrentProcessId
GetTickCount64
VirtualQuery
GetConsoleWindow
SetConsoleTextAttribute
SetConsoleTitleA
GetStdHandle
SetCurrentConsoleFontEx
SetConsoleWindowInfo
AllocConsole
GetCurrentProcess
GetCurrentThread
CloseHandle
K32GetModuleInformation
Process32First
Module32Next
WaitForSingleObject
LocalAlloc
Module32First
CreateToolhelp32Snapshot
GetLastError
CreateFileA
Process32Next
LocalFree
GetFileSizeEx
ReadFile
HeapAlloc
HeapReAlloc
HeapFree
GetProcessHeap
MapViewOfFile
UnmapViewOfFile
CreateFileMappingA
ReleaseSRWLockExclusive
AcquireSRWLockExclusive
GetTickCount
EnterCriticalSection
LeaveCriticalSection
InitializeCriticalSectionEx
DeleteCriticalSection
SetEvent
CreateEventA
GetSystemDirectoryA
GetEnvironmentVariableA
SetLastError
FormatMessageW
MoveFileExA
WaitForSingleObjectEx
GetFileType
PeekNamedPipe
WaitForMultipleObjects
SleepEx
VerifyVersionInfoW
CreateFileW
HeapDestroy
HeapSize
CreateThread
VirtualProtect
CreateFileMappingW
GetModuleFileNameW

user32

EnableMenuItem
UpdateWindow
SendInput
GetAsyncKeyState
SetWindowLongA
DefWindowProcA
SetLayeredWindowAttributes
FindWindowA
LoadImageA
DispatchMessageA
GetWindowRect
DestroyWindow
GetWindowLongA
MoveWindow
RegisterClassA
CreateWindowExA
TranslateMessage
GetSystemMenu
UnregisterClassA
GetKeyState
GetMessageExtraInfo
LoadCursorA
ScreenToClient
GetCapture
ClientToScreen
TrackMouseEvent
GetKeyboardLayout
GetForegroundWindow
SetCapture
SetCursor
GetClientRect
IsWindowUnicode
ReleaseCapture
SetCursorPos
GetCursorPos
OpenClipboard
CloseClipboard
EmptyClipboard
GetClipboardData
SetClipboardData
ShowWindow
SetWindowPos
ShowScrollBar
MessageBoxA
PeekMessageA

shell32

ShellExecuteA
SHGetKnownFolderPath

msvcp140

?epptr@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEBAPEADXZ
?_Fiopen@std@@YAPEAU_iobuf@@PEBDHH@Z
?cout@std@@3V?$basic_ostream@DU?$char_traits@D@std@@@1@A
??Bid@locale@std@@QEAA_KXZ
?always_noconv@codecvt_base@std@@QEBA_NXZ
?fail@ios_base@std@@QEBA_NXZ
?read@?$basic_istream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@PEAD_J@Z
?write@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@PEBD_J@Z
?out@?$codecvt@DDU_Mbstatet@@@std@@QEBAHAEAU_Mbstatet@@PEBD1AEAPEBDPEAD3AEAPEAD@Z
?in@?$codecvt@DDU_Mbstatet@@@std@@QEBAHAEAU_Mbstatet@@PEBD1AEAPEBDPEAD3AEAPEAD@Z
?_Init@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAXPEAPEAD0PEAH001@Z
?_Init@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAXXZ
?unshift@?$codecvt@DDU_Mbstatet@@@std@@QEBAHAEAU_Mbstatet@@PEAD1AEAPEAD@Z
?_Getcat@?$codecvt@DDU_Mbstatet@@@std@@SA_KPEAPEBVfacet@locale@2@PEBV42@@Z
?getloc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEBA?AVlocale@2@XZ
?_Syserror_map@std@@YAPEBDH@Z
?_Fiopen@std@@YAPEAU_iobuf@@PEB_WHH@Z
?id@?$codecvt@DDU_Mbstatet@@@std@@2V0locale@2@A
?_Winerror_map@std@@YAHH@Z
?_Getgloballocale@locale@std@@CAPEAV_Locimp@12@XZ
??0_Lockit@std@@QEAA@H@Z
??1_Lockit@std@@QEAA@XZ
?widen@?$basic_ios@DU?$char_traits@D@std@@@std@@QEBADD@Z
_Thrd_detach
_Query_perf_counter
_Query_perf_frequency
_Thrd_join
_Thrd_id
_Cnd_do_broadcast_at_thread_exit
?_Throw_Cpp_error@std@@YAXH@Z
??Bios_base@std@@QEBA_NXZ
??1?$basic_istream@DU?$char_traits@D@std@@@std@@UEAA@XZ
??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV01@H@Z
??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV01@P6AAEAVios_base@1@AEAV21@@Z@Z
??1?$basic_ostream@DU?$char_traits@D@std@@@std@@UEAA@XZ
?fill@?$basic_ios@DU?$char_traits@D@std@@@std@@QEAADD@Z
??0?$basic_istream@DU?$char_traits@D@std@@@std@@QEAA@PEAV?$basic_streambuf@DU?$char_traits@D@std@@@1@_N@Z
??0?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAA@PEAV?$basic_streambuf@DU?$char_traits@D@std@@@1@_N@Z
?sgetc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAAHXZ
?sbumpc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAAHXZ
?snextc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAAHXZ
?_Ipfx@?$basic_istream@DU?$char_traits@D@std@@@std@@QEAA_N_N@Z
?setw@std@@YA?AU?$_Smanip@_J@1@_J@Z
?_Xbad_function_call@std@@YAXXZ
?_Xout_of_range@std@@YAXPEBD@Z
?good@ios_base@std@@QEBA_NXZ
?uncaught_exceptions@std@@YAHXZ
?_Xbad_alloc@std@@YAXXZ
?_Xlength_error@std@@YAXPEBD@Z
?_Osfx@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAXXZ
?flush@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@XZ
?sputn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAA_JPEBD_J@Z
?setstate@?$basic_ios@DU?$char_traits@D@std@@@std@@QEAAXH_N@Z
?sputc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAAHD@Z
?pbase@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEBAPEADXZ
??0?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAA@XZ
?eback@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEBAPEADXZ
?gptr@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEBAPEADXZ
?pptr@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEBAPEADXZ
?egptr@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEBAPEADXZ
??0?$basic_ios@DU?$char_traits@D@std@@@std@@IEAA@XZ
??0?$basic_iostream@DU?$char_traits@D@std@@@std@@QEAA@PEAV?$basic_streambuf@DU?$char_traits@D@std@@@1@@Z
??1?$basic_streambuf@DU?$char_traits@D@std@@@std@@UEAA@XZ
?_Lock@?$basic_streambuf@DU?$char_traits@D@std@@@std@@UEAAXXZ
?_Unlock@?$basic_streambuf@DU?$char_traits@D@std@@@std@@UEAAXXZ
?showmanyc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAA_JXZ
?uflow@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAAHXZ
?xsgetn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAA_JPEAD_J@Z
?xsputn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAA_JPEBD_J@Z
?setbuf@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAAPEAV12@PEAD_J@Z
?sync@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAAHXZ
?imbue@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAAXAEBVlocale@2@@Z
??1?$basic_ios@DU?$char_traits@D@std@@@std@@UEAA@XZ
??1?$basic_iostream@DU?$char_traits@D@std@@@std@@UEAA@XZ

imm32

ImmGetContext
ImmSetCandidateWindow
ImmSetCompositionWindow
ImmReleaseContext

ntdll

RtlVirtualUnwind
RtlAnsiStringToUnicodeString
RtlInitAnsiString
RtlCaptureContext
NtQuerySystemInformation
RtlLookupFunctionEntry

dbghelp

SymFunctionTableAccess64
SymGetLineFromAddr64
SymGetModuleBase64
SymInitialize
StackWalk64
SymGetSymFromAddr64
ImageNtHeader
ImageDirectoryEntryToData
ImageRvaToVa
SymCleanup

bcrypt

BCryptGenRandom

shlwapi

PathFindFileNameW

rpcrt4

UuidToStringA
UuidCreate
RpcStringFreeA

psapi

GetModuleInformation

userenv

UnloadUserProfile

vcruntime140_1

__CxxFrameHandler4

vcruntime140

__current_exception_context
__current_exception
_CxxThrowException
memcmp
memchr
__intrinsic_setjmp
memmove
memset
memcpy
__C_specific_handler
strstr
strchr
__std_exception_copy
__std_exception_destroy
__std_terminate
longjmp
strrchr

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

calloc
realloc
free
_set_new_mode
malloc
_callnewh

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

abort
_c_exit
_beginthreadex
_errno
_register_thread_local_exe_atexit_callback
__sys_errlist
__sys_nerr
__p___argv
_invalid_parameter_noinfo_noreturn
__p___argc
_exit
_initterm_e
_initterm
_get_initial_narrow_environment
system
_invalid_parameter_noinfo
_set_app_type
_resetstkoflw
_seh_filter_exe
exit
_cexit
_configure_narrow_argv
_initialize_narrow_environment
_initialize_onexit_table
_register_onexit_function
_crt_atexit
terminate

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

strncmp
strcpy_s
_stricmp
_strdup
strncpy
strcmp
strcspn
tolower
strspn
strpbrk

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

rand
qsort

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

__stdio_common_vfprintf
fseek
_popen
_pclose
fclose
_lseeki64
_set_fmode
fputs
fgets
__acrt_iob_func
ftell
_open
_get_stream_buffer_pointers
__p__commode
fwrite
_fseeki64
_read
_write
fsetpos
_fileno
_close
ungetc
__stdio_common_vswprintf
__stdio_common_vsprintf
_wfopen
fread
__stdio_common_vsscanf
setvbuf
fgetpos
feof
fopen
fgetc
fputc
fflush
__stdio_common_vsprintf_s
freopen_s

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

_localtime64
_time64
_gmtime64
strftime

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

strtoll
strtoull
strtol
atoi
strtoul
strtod
atof
wcstombs

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

getenv

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

_unlink
_access
_fstat64
_unlock_file
_lock_file
_stat64

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

_dsign
powf
sinf
_fdopen
__setusermatherr
acosf
ceilf
cosf
_dclass
floorf
fmodf
sqrtf

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

_configthreadlocale
localeconv
___lc_codepage_func

Sections

.text
Size: 2.1MB - Virtual size: 2.1MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 369KB - Virtual size: 368KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 324KB - Virtual size: 344KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 64KB - Virtual size: 64KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 13KB - Virtual size: 13KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 6KB - Virtual size: 5KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

91d5a1f2bf9353a5db2a44e7062cd5a0

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

d3d11

d3dcompiler_47

dwmapi

ws2_32

normaliz

advapi32

crypt32

wldap32

kernel32

user32

shell32

msvcp140

imm32

ntdll

dbghelp

bcrypt

shlwapi

rpcrt4

psapi

userenv

vcruntime140_1

vcruntime140

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

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

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

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

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

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

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

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

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

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

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

Sections

.text Size: 2.1MB - Virtual size: 2.1MB

.rdata Size: 369KB - Virtual size: 368KB

.data Size: 324KB - Virtual size: 344KB

.pdata Size: 64KB - Virtual size: 64KB

.rsrc Size: 13KB - Virtual size: 13KB

.reloc Size: 6KB - Virtual size: 5KB

.text
Size: 2.1MB - Virtual size: 2.1MB

.rdata
Size: 369KB - Virtual size: 368KB

.data
Size: 324KB - Virtual size: 344KB

.pdata
Size: 64KB - Virtual size: 64KB

.rsrc
Size: 13KB - Virtual size: 13KB

.reloc
Size: 6KB - Virtual size: 5KB