bridge[.]exe | Triage

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General

Target

bridge.exe
Size

18.3MB
MD5

a63d9d9efb0e04a21d79b5c90cb5d797
SHA1

daae9583cc42420a69c78901881e3c45e6abae1d
SHA256

e817989ec80868e2666ff9f73ac44adf76dc56a00b4fef9453d416cd4d3922f8
SHA512

65eec38ba0f36852e9f6f8ef383dfb056fd1d1776e02872f0bdbd0a7f3888d4001a0172c8ca7675791e8e95711e5a6dc32c9e05700f83029166b017a600498e2
SSDEEP

393216:zacpBEop50MfQSgzwSf5BTZp+jEasGsGj:zackUg3dRBTZp+Aaf3j

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
bridge.exe

Files

bridge.exe
.exe windows x64

9d654f008174db4dba7a639df2ba8b81

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

Imports

ntdll

RtlLookupFunctionEntry
RtlCaptureContext
RtlVirtualUnwind
RtlUnwind
RtlPcToFileHeader
RtlUnwindEx
RtlGetNtVersionNumbers

dwmapi

DwmEnableBlurBehindWindow
DwmExtendFrameIntoClientArea

kernel32

LCIDToLocaleName
GetSystemTimeAsFileTime
TlsSetValue
TlsGetValue
CreateThread
GetUserDefaultUILanguage
GetSystemInfo
CreateProcessW
GetWindowsDirectoryW
GetSystemDirectoryW
CreateNamedPipeW
GetFullPathNameW
ExitProcess
GlobalLock
GlobalUnlock
SetCurrentDirectoryW
GlobalAlloc
GetConsoleMode
CancelIo
ReadFile
CreateEventW
CopyFileExW
CreateHardLinkW
CreateSymbolicLinkW
LoadLibraryA
RemoveDirectoryW
DeleteFileW
FindFirstFileW
GetFileInformationByHandleEx
CreateFileW
FindNextFileW
CreateMutexA
WaitForSingleObjectEx
HeapReAlloc
QueryPerformanceFrequency
WakeConditionVariable
WakeAllConditionVariable
QueryPerformanceCounter
GetOverlappedResult
WaitForMultipleObjects
GetProcessId
WriteConsoleW
GetExitCodeProcess
ReadFileEx
GetFileAttributesW
GetModuleFileNameW
GetLastError
OutputDebugStringA
OutputDebugStringW
GetProcAddress
AcquireSRWLockShared
ReleaseSRWLockShared
LoadLibraryExW
TryAcquireSRWLockExclusive
FreeLibrary
GetEnvironmentVariableW
SleepEx
SetFileTime
WriteFileEx
SetHandleInformation
GetCurrentProcessId
GetStdHandle
CreateDirectoryW
SetFilePointerEx
GetProcessHeap
HeapAlloc
HeapFree
FormatMessageW
GetCommandLineW
SetEvent
WaitForSingleObject
RegisterWaitForSingleObject
UnregisterWaitEx
GetCurrentProcess
DuplicateHandle
SleepConditionVariableSRW
Sleep
CreatePipe
lstrlenW
TerminateProcess
LoadLibraryW
GetModuleHandleW
EnterCriticalSection
LeaveCriticalSection
InitializeCriticalSectionAndSpinCount
DeleteCriticalSection
TlsFree
ResetEvent
InitializeSListHead
GetCurrentThreadId
IsDebuggerPresent
UnhandledExceptionFilter
SetUnhandledExceptionFilter
IsProcessorFeaturePresent
RaiseException
CloseHandle
AcquireSRWLockExclusive
ReleaseSRWLockExclusive
SetEnvironmentVariableW
GetEnvironmentStringsW
GetCurrentDirectoryW
GetModuleHandleA
EncodePointer
TlsAlloc
GetTempPathW
GetCurrentThread
GetFileInformationByHandle
SetFileAttributesW
MoveFileExW
SetFileInformationByHandle
SetLastError
GetFinalPathNameByHandleW
SwitchToThread
SetThreadStackGuarantee
AddVectoredExceptionHandler
FreeEnvironmentStringsW
ReleaseMutex
FindClose
CompareStringOrdinal

secur32

EncryptMessage
InitializeSecurityContextW
AcceptSecurityContext
DeleteSecurityContext
QueryContextAttributesW
FreeContextBuffer
DecryptMessage
FreeCredentialsHandle
AcquireCredentialsHandleA

crypt32

CertFreeCertificateChain
CertFreeCertificateContext
CertDuplicateCertificateChain
CertDuplicateCertificateContext
CertDuplicateStore
CertCloseStore
CertOpenStore
CertAddCertificateContextToStore
CertVerifyCertificateChainPolicy
CertGetCertificateChain
CertEnumCertificatesInStore

ws2_32

getsockopt
setsockopt
WSACleanup
recv
WSAGetLastError
ioctlsocket
select
connect
getaddrinfo
closesocket
send
WSASocketW
WSAStartup
freeaddrinfo

user32

CheckMenuItem
EnableMenuItem
GetSystemMenu
SetWindowLongW
ShowWindow
CreateIcon
ValidateRect
SystemParametersInfoA
IsWindowVisible
ClipCursor
GetClipCursor
ShowCursor
AdjustWindowRectEx
SetClipboardData
RegisterClipboardFormatW
EmptyClipboard
RedrawWindow
PostThreadMessageW
PeekMessageW
CloseClipboard
GetClipboardData
OpenClipboard
SendMessageW
RegisterHotKey
DestroyIcon
GetUpdateRect
VkKeyScanW
MapVirtualKeyExW
GetKeyState
GetAsyncKeyState
GetKeyboardState
GetMenu
PostQuitMessage
ToUnicodeEx
DispatchMessageA
PostMessageW
MonitorFromRect
SetForegroundWindow
TrackMouseEvent
SetMenuItemInfoW
SendInput
DestroyWindow
GetWindowLongW
GetClientRect
ClientToScreen
GetWindowLongPtrW
GetKeyboardLayout
SetWindowDisplayAffinity
GetTouchInputInfo
MessageBoxW
ScreenToClient
GetRawInputData
SetWindowTextW
CloseTouchInputHandle
MonitorFromPoint
EnumDisplayMonitors
IsProcessDPIAware
GetDC
CreateAcceleratorTableW
DestroyAcceleratorTable
UnregisterHotKey
SetCapture
SetWindowLongPtrW
MsgWaitForMultipleObjectsEx
RegisterRawInputDevices
RegisterClassExW
RegisterWindowMessageA
GetCursorPos
CreateMenu
EnumChildWindows
GetMessageA
GetWindowPlacement
SetWindowPlacement
ChangeDisplaySettingsExW
FlashWindowEx
DefWindowProcW
TranslateAcceleratorW
GetAncestor
GetMessageW
MapVirtualKeyW
AppendMenuW
GetWindowRect
RegisterTouchWindow
GetSystemMetrics
IsWindow
CreateWindowExW
GetForegroundWindow
GetActiveWindow
SetCursorPos
InvalidateRgn
ReleaseCapture
DispatchMessageW
TranslateMessage
SetMenu
LoadCursorW
GetMonitorInfoW
SetCursor
SetWindowPos
MonitorFromWindow

comctl32

SetWindowSubclass
RemoveWindowSubclass
DefSubclassProc

ole32

RegisterDragDrop
CreateStreamOnHGlobal
OleInitialize
CoTaskMemFree
CoUninitialize
RevokeDragDrop
CoCreateInstance
CoInitializeEx
CoTaskMemAlloc

gdi32

GetDeviceCaps
DeleteObject
CreateRectRgn

shell32

DragQueryFileW
DragFinish
SHCreateItemFromParsingName
SHGetKnownFolderPath
ShellExecuteW

advapi32

RegGetValueW
RegCloseKey
EventUnregister
EventWriteTransfer
EventSetInformation
EventRegister
RegOpenKeyExW
RegQueryValueExW

uxtheme

SetWindowTheme

oleaut32

GetErrorInfo
SysStringLen
SysFreeString
SetErrorInfo

bcrypt

BCryptOpenAlgorithmProvider
BCryptCloseAlgorithmProvider
BCryptGenRandom

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

round
floor
__setusermatherr
trunc

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

_wcsicmp
wcslen
wcsncmp
strcpy_s

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

wcstol
_ultow_s

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

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

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

_set_new_mode
malloc
_callnewh
free
calloc

Sections

.text
Size: 5.3MB - Virtual size: 5.3MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 12.7MB - Virtual size: 12.7MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 1KB - Virtual size: 5KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 317KB - Virtual size: 316KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

_RDATA
Size: 512B - Virtual size: 348B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 36KB - Virtual size: 35KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 29KB - Virtual size: 28KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

9d654f008174db4dba7a639df2ba8b81

Headers

DLL Characteristics

File Characteristics

Imports

ntdll

dwmapi

kernel32

secur32

crypt32

ws2_32

user32

comctl32

ole32

gdi32

shell32

advapi32

uxtheme

oleaut32

bcrypt

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

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

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

api-ms-win-crt-runtime-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: 5.3MB - Virtual size: 5.3MB

.rdata Size: 12.7MB - Virtual size: 12.7MB

.data Size: 1KB - Virtual size: 5KB

.pdata Size: 317KB - Virtual size: 316KB

_RDATA Size: 512B - Virtual size: 348B

.rsrc Size: 36KB - Virtual size: 35KB

.reloc Size: 29KB - Virtual size: 28KB

.text
Size: 5.3MB - Virtual size: 5.3MB

.rdata
Size: 12.7MB - Virtual size: 12.7MB

.data
Size: 1KB - Virtual size: 5KB

.pdata
Size: 317KB - Virtual size: 316KB

_RDATA
Size: 512B - Virtual size: 348B

.rsrc
Size: 36KB - Virtual size: 35KB

.reloc
Size: 29KB - Virtual size: 28KB