gfb2(2)[.]exe | Triage

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General

Target

gfb2(2).exe
Size

25.8MB
MD5

13522f9ef76ccd13bfb78fefd1545c62
SHA1

162cd421d28cdcf66798df51aa00576cd5440463
SHA256

f5e87eba25da8a25b0f5def237fb1bcad67b627702d52c85dfe639cdb02d04f2
SHA512

25671b6db03ad8663577366968644a840a7f8d3cdb9f103a1e36249c711c4e8eacf7bbaaa20adaaef7326a160d7c8a385ced344f557e8512b045c3baa4c17b3e
SSDEEP

196608:zK4oxjS4m5JHkZSdU7q5fchHo7GXNFZvkt:G4/3JHGhHo7GdFxo

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
gfb2(2).exe

Files

gfb2(2).exe
.exe windows:4 windows x64 arch:x64

ae3e742ee74d6cc9a5cf7c9669688717

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_DEBUG_STRIPPED

Imports

advapi32

RegCloseKey
RegCreateKeyExA
RegDeleteKeyA
RegSetValueExA
SystemFunction036

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

RoGetActivationFactory

bcrypt

BCryptGenRandom

d3dcompiler_47

D3DCompile

dwmapi

DwmEnableBlurBehindWindow

gdi32

ChoosePixelFormat
CreateRectRgn
DeleteObject
DescribePixelFormat
GetDeviceCaps
GetPixelFormat
SetPixelFormat
SwapBuffers

imm32

ImmAssociateContextEx
ImmGetCompositionStringW
ImmGetContext
ImmReleaseContext
ImmSetCandidateWindow
ImmSetCompositionWindow

kernel32

AddVectoredExceptionHandler
CancelIo
CloseHandle
CompareStringOrdinal
CopyFileExW
CreateDirectoryW
CreateEventA
CreateEventW
CreateFileMappingA
CreateFileW
CreateHardLinkW
CreateNamedPipeW
CreateProcessW
CreateSemaphoreW
CreateSymbolicLinkW
CreateThread
CreateToolhelp32Snapshot
CreateWaitableTimerExW
DeleteFileW
DeleteProcThreadAttributeList
DeviceIoControl
DuplicateHandle
ExitProcess
FindClose
FindFirstFileW
FindNextFileW
FlushFileBuffers
FormatMessageW
FreeEnvironmentStringsW
FreeLibrary
GetCommandLineW
GetComputerNameExW
GetConsoleMode
GetConsoleScreenBufferInfo
GetCurrentDirectoryW
GetCurrentProcess
GetCurrentProcessId
GetCurrentThread
GetCurrentThreadId
GetEnvironmentStringsW
GetEnvironmentVariableW
GetExitCodeProcess
GetFileAttributesW
GetFileInformationByHandle
GetFileInformationByHandleEx
GetFileType
GetFinalPathNameByHandleW
GetFullPathNameW
GetLastError
GetModuleFileNameA
GetModuleFileNameW
GetModuleHandleA
GetModuleHandleExW
GetModuleHandleW
GetOverlappedResult
GetProcAddress
GetProcessHeap
GetProcessId
GetStdHandle
GetSystemDirectoryW
GetSystemInfo
GetSystemTimePreciseAsFileTime
GetTempPathW
GetTimeZoneInformationForYear
GetWindowsDirectoryW
HeapAlloc
HeapFree
HeapReAlloc
InitOnceBeginInitialize
InitOnceComplete
InitializeProcThreadAttributeList
LoadLibraryA
LoadLibraryExA
LoadLibraryExW
MapViewOfFile
Module32FirstW
Module32NextW
MoveFileExW
MultiByteToWideChar
QueryPerformanceCounter
QueryPerformanceFrequency
ReadConsoleW
ReadDirectoryChangesW
ReadFile
ReadFileEx
ReleaseSemaphore
RemoveDirectoryW
RemoveVectoredExceptionHandler
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
SetConsoleMode
SetConsoleTextAttribute
SetCurrentDirectoryW
SetEnvironmentVariableW
SetEvent
SetFileAttributesW
SetFileInformationByHandle
SetFilePointerEx
SetFileTime
SetHandleInformation
SetLastError
SetThreadErrorMode
SetThreadPriority
SetThreadStackGuarantee
SetUnhandledExceptionFilter
SetWaitableTimer
Sleep
SleepEx
SwitchToThread
TerminateProcess
TlsAlloc
TlsFree
TlsGetValue
TlsSetValue
UnmapViewOfFile
UpdateProcThreadAttribute
WaitForMultipleObjects
WaitForMultipleObjectsEx
WaitForSingleObject
WaitForSingleObjectEx
WideCharToMultiByte
WriteConsoleW
WriteFileEx
DeleteCriticalSection
EnterCriticalSection
InitializeCriticalSection
LeaveCriticalSection
RaiseException
RtlUnwindEx
VirtualProtect
VirtualQuery
__C_specific_handler

ntdll

NtCreateFile
NtReadFile
NtWriteFile
RtlNtStatusToDosError

oleaut32

SysAllocStringLen
SysFreeString
SysStringLen
VariantClear
VariantCopy

propsys

PropVariantCompareEx
PropVariantToBSTR
PropVariantToBoolean
PropVariantToDouble
PropVariantToInt16
PropVariantToInt32
PropVariantToInt64
PropVariantToUInt16
PropVariantToUInt32
PropVariantToUInt64
PropVariantToVariant
VariantToBoolean
VariantToDouble
VariantToInt16
VariantToInt32
VariantToInt64
VariantToPropVariant
VariantToUInt16
VariantToUInt32
VariantToUInt64

shell32

DragFinish
DragQueryFileW

user32

AdjustWindowRectEx
ChangeDisplaySettingsExW
ClientToScreen
ClipCursor
CloseTouchInputHandle
CreateIcon
CreateWindowExA
CreateWindowExW
DefWindowProcA
DefWindowProcW
DestroyIcon
DestroyWindow
DispatchMessageW
EnableMenuItem
EnumDisplayMonitors
FlashWindowEx
GetActiveWindow
GetAsyncKeyState
GetClientRect
GetClipCursor
GetCursorPos
GetDC
GetForegroundWindow
GetKeyState
GetKeyboardLayout
GetKeyboardState
GetMenu
GetMessageW
GetMonitorInfoW
GetRawInputData
GetRawInputDeviceInfoW
GetSystemMenu
GetSystemMetrics
GetTouchInputInfo
GetWindowLongPtrW
GetWindowLongW
GetWindowPlacement
GetWindowRect
GetWindowTextLengthW
GetWindowTextW
InvalidateRgn
IsIconic
IsProcessDPIAware
KillTimer
LoadCursorW
LoadImageW
MapVirtualKeyExW
MapVirtualKeyW
MonitorFromPoint
MonitorFromRect
MonitorFromWindow
PeekMessageW
PostMessageW
RedrawWindow
RegisterClassExA
RegisterClassExW
RegisterRawInputDevices
RegisterTouchWindow
RegisterWindowMessageA
ReleaseCapture
ReleaseDC
ScreenToClient
SendInput
SendMessageW
SetCapture
SetCursor
SetCursorPos
SetForegroundWindow
SetMenuDefaultItem
SetTimer
SetWindowDisplayAffinity
SetWindowLongPtrW
SetWindowLongW
SetWindowPlacement
SetWindowPos
SetWindowTextW
ShowCursor
ShowWindow
SystemParametersInfoA
ToUnicode
ToUnicodeEx
TrackMouseEvent
TrackPopupMenu
TranslateMessage
ValidateRect

userenv

GetUserProfileDirectoryW

uxtheme

SetWindowTheme

winmm

timeBeginPeriod
timeEndPeriod
timeGetDevCaps

ws2_32

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

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

WaitOnAddress
WakeByAddressAll
WakeByAddressSingle

bcryptprimitives

ProcessPrng

msvcrt

__getmainargs
__initenv
__iob_func
__set_app_type
__setusermatherr
_amsg_exit
_cexit
_commode
_errno
_fmode
_fpreset
_hypot
_initterm
_onexit
abort
acosf
atan
atan2f
calloc
ceil
ceilf
cos
cosf
exit
exp
expf
floor
floorf
fmod
fmodf
fprintf
free
fwrite
log10
log10f
logf
malloc
memcmp
memcpy
memmove
memset
pow
powf
signal
sin
sinf
strlen
strncmp
tan
tanf
vfprintf
wcslen

ole32

CoCreateGuid
CoCreateInstance
CoIncrementMTAUsage
CoInitializeEx
CoTaskMemFree
CoUninitialize
GetErrorInfo
OleInitialize
PropVariantClear
PropVariantCopy
RegisterDragDrop
RevokeDragDrop
SetErrorInfo

opengl32

wglCreateContext
wglDeleteContext
wglGetCurrentContext
wglGetProcAddress
wglMakeCurrent

Sections

.text
Size: 13.3MB - Virtual size: 13.3MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 9KB - Virtual size: 9KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rdata
Size: 3.9MB - Virtual size: 3.9MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.eh_fram
Size: 512B - Virtual size: 4B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 380KB - Virtual size: 380KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.xdata
Size: 972KB - Virtual size: 972KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.bss
Size: - Virtual size: 522KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.idata
Size: 15KB - Virtual size: 14KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.CRT
Size: 512B - Virtual size: 112B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.tls
Size: 512B - Virtual size: 16B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.reloc
Size: 73KB - Virtual size: 72KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

ae3e742ee74d6cc9a5cf7c9669688717

Headers

DLL Characteristics

File Characteristics

Imports

advapi32

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

bcrypt

d3dcompiler_47

dwmapi

gdi32

imm32

kernel32

ntdll

oleaut32

propsys

shell32

user32

userenv

uxtheme

winmm

ws2_32

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

bcryptprimitives

msvcrt

ole32

opengl32

Sections

.text Size: 13.3MB - Virtual size: 13.3MB

.data Size: 9KB - Virtual size: 9KB

.rdata Size: 3.9MB - Virtual size: 3.9MB

.eh_fram Size: 512B - Virtual size: 4B

.pdata Size: 380KB - Virtual size: 380KB

.xdata Size: 972KB - Virtual size: 972KB

.bss Size: - Virtual size: 522KB

.idata Size: 15KB - Virtual size: 14KB

.CRT Size: 512B - Virtual size: 112B

.tls Size: 512B - Virtual size: 16B

.reloc Size: 73KB - Virtual size: 72KB

.text
Size: 13.3MB - Virtual size: 13.3MB

.data
Size: 9KB - Virtual size: 9KB

.rdata
Size: 3.9MB - Virtual size: 3.9MB

.eh_fram
Size: 512B - Virtual size: 4B

.pdata
Size: 380KB - Virtual size: 380KB

.xdata
Size: 972KB - Virtual size: 972KB

.bss
Size: - Virtual size: 522KB

.idata
Size: 15KB - Virtual size: 14KB

.CRT
Size: 512B - Virtual size: 112B

.tls
Size: 512B - Virtual size: 16B

.reloc
Size: 73KB - Virtual size: 72KB