nvflash64[.]exe

Sharing

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General

Target

nvflash64.exe
Size

3.0MB
MD5

04119741bc2a59bbe5785bbfaedfca45
SHA1

a70b15336bed1b71169ab0e0d5d540f4c0377454
SHA256

edc11c29763ef041c6ea906b32e9d98e922a55d889486b76c7c879d05c5c7849
SHA512

a7d98582d1b11be6b160bc07d6a726b8abe201d373110ce4f4bde6c053db493a55dc02985f6233c2f42a2a0d6a33e1650b54a65bb7ffdf2f3b766674ee605284
SSDEEP

49152:LdJYVM+9JtzZWnoS2VC23aun8+f5KuGP+VYNCWNtdl333W6:RJYVM+LtVt3P/KuGP+VYNCud333Z

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
nvflash64.exe

Files

nvflash64.exe
.exe windows:6 windows x86 arch:x86

d6ea28a9f4da0730c2562f3beec87130

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE

Imports

mpr

WNetEnumResourceW
WNetGetUniversalNameW
WNetGetConnectionW
WNetCloseEnum
WNetOpenEnumW

comdlg32

GetSaveFileNameW
GetOpenFileNameW

comctl32

FlatSB_SetScrollInfo
InitCommonControls
ImageList_DragMove
ImageList_Destroy
_TrackMouseEvent
ImageList_DragShowNolock
ImageList_Add
FlatSB_SetScrollProp
ImageList_GetDragImage
ImageList_Create
ImageList_EndDrag
ImageList_DrawEx
ImageList_SetImageCount
FlatSB_GetScrollPos
FlatSB_SetScrollPos
InitializeFlatSB
FlatSB_GetScrollInfo
ImageList_Write
ImageList_DrawIndirect
ImageList_SetBkColor
ImageList_GetBkColor
ImageList_BeginDrag
ImageList_GetIcon
ImageList_GetImageCount
ImageList_DragEnter
ImageList_GetIconSize
ImageList_SetIconSize
ImageList_Read
ImageList_DragLeave
ImageList_Draw
ImageList_Remove

shell32

SHBrowseForFolderW
SHGetMalloc
SHGetFileInfoW
SHChangeNotify
Shell_NotifyIconW
SHAppBarMessage
ShellExecuteW
SHGetPathFromIDListW
ShellExecuteExW

user32

MoveWindow
CopyImage
SetMenuItemInfoW
GetMenuItemInfoW
DefFrameProcW
ScrollWindowEx
GetDlgCtrlID
FrameRect
RegisterWindowMessageW
GetMenuStringW
FillRect
SendMessageA
EnumWindows
ShowOwnedPopups
GetClassInfoW
GetScrollRange
SetActiveWindow
GetActiveWindow
DrawEdge
GetKeyboardLayoutList
OemToCharBuffA
LoadBitmapW
EnumChildWindows
SendNotifyMessageW
GetScrollBarInfo
UnhookWindowsHookEx
SetCapture
GetCapture
ShowCaret
CreatePopupMenu
GetMenuItemID
CharLowerBuffW
PostMessageW
SetWindowLongW
IsZoomed
SetParent
DrawMenuBar
GetClientRect
IsChild
IsIconic
CallNextHookEx
ShowWindow
GetWindowTextW
SetForegroundWindow
IsDialogMessageW
DestroyWindow
RegisterClassW
EndMenu
CharNextW
GetFocus
GetDC
SetFocus
ReleaseDC
ExitWindowsEx
GetClassLongW
SetScrollRange
DrawTextW
CharToOemBuffA
PeekMessageA
MessageBeep
SetClassLongW
SetRectEmpty
RemovePropW
GetSubMenu
DestroyIcon
IsWindowVisible
DispatchMessageA
UnregisterClassW
GetTopWindow
SendMessageW
SendMessageTimeoutW
LoadStringW
CreateMenu
CharLowerW
SetWindowRgn
SetWindowPos
GetMenuItemCount
GetSysColorBrush
GetWindowDC
DrawTextExW
ReplyMessage
GetScrollInfo
SetWindowTextW
GetMessageExtraInfo
GetSysColor
EnableScrollBar
TrackPopupMenu
DrawIconEx
GetClassNameW
GetMessagePos
GetIconInfo
SetScrollInfo
GetKeyNameTextW
GetDesktopWindow
SetCursorPos
GetCursorPos
SetMenu
GetMenuState
GetMenu
SetRect
GetKeyState
ValidateRect
GetCursor
KillTimer
WaitMessage
TranslateMDISysAccel
GetWindowPlacement
CreateIconIndirect
CreateWindowExW
GetMessageW
GetDCEx
PeekMessageW
MonitorFromWindow
GetUpdateRect
SetTimer
WindowFromPoint
BeginPaint
RegisterClipboardFormatW
MapVirtualKeyW
OffsetRect
IsWindowUnicode
DispatchMessageW
DefMDIChildProcW
WaitForInputIdle
GetSystemMenu
SetScrollPos
GetScrollPos
InflateRect
DrawFocusRect
ReleaseCapture
LoadCursorW
ScrollWindow
GetLastActivePopup
GetSystemMetrics
CharUpperBuffW
ClientToScreen
SetWindowPlacement
GetMonitorInfoW
CheckMenuItem
CharUpperW
DefWindowProcW
GetForegroundWindow
EnableWindow
GetWindowThreadProcessId
RedrawWindow
EndPaint
MsgWaitForMultipleObjectsEx
LoadKeyboardLayoutW
ActivateKeyboardLayout
GetParent
InsertMenuItemW
GetPropW
MessageBoxW
SetPropW
UpdateWindow
MsgWaitForMultipleObjects
DestroyMenu
SetWindowsHookExW
AdjustWindowRectEx
IsWindow
DrawIcon
EnumThreadWindows
InvalidateRect
GetKeyboardState
ScreenToClient
DrawFrameControl
BringWindowToTop
SetCursor
CreateIcon
RemoveMenu
AppendMenuW
GetKeyboardLayoutNameW
TranslateMessage
MapWindowPoints
EnumDisplayMonitors
CallWindowProcW
DestroyCursor
PostQuitMessage
ShowScrollBar
LoadImageW
EnableMenuItem
HideCaret
FindWindowExW
MonitorFromPoint
LoadIconW
SystemParametersInfoW
GetWindow
GetWindowRect
GetWindowLongW
InsertMenuW
IsWindowEnabled
IsDialogMessageA
FindWindowW
GetKeyboardLayout
DeleteMenu

version

GetFileVersionInfoSizeW
VerQueryValueW
GetFileVersionInfoW

oleaut32

SafeArrayPutElement
LoadTypeLib
GetErrorInfo
VariantInit
VariantClear
SysFreeString
SysReAllocStringLen
SafeArrayCreate
SafeArrayGetElement
GetActiveObject
SysAllocStringLen
SafeArrayPtrOfIndex
SafeArrayGetUBound
SafeArrayGetLBound
VariantCopy
RegisterTypeLib
VariantChangeType
VariantCopyInd

advapi32

RegSetValueExW
ConvertStringSecurityDescriptorToSecurityDescriptorW
OpenThreadToken
GetUserNameW
RegQueryInfoKeyW
EqualSid
GetTokenInformation
RegCreateKeyExW
SetSecurityDescriptorDacl
RegEnumKeyExW
AdjustTokenPrivileges
RegDeleteKeyW
LookupPrivilegeValueW
RegOpenKeyExW
OpenProcessToken
FreeSid
AllocateAndInitializeSid
RegDeleteValueW
RegFlushKey
RegEnumValueW
RegQueryValueExW
ConvertSidToStringSidW
RegCloseKey
InitializeSecurityDescriptor

msvcrt

memcpy

winhttp

WinHttpGetIEProxyConfigForCurrentUser
WinHttpSetTimeouts
WinHttpSetStatusCallback
WinHttpConnect
WinHttpReceiveResponse
WinHttpQueryAuthSchemes
WinHttpGetProxyForUrl
WinHttpReadData
WinHttpCloseHandle
WinHttpQueryHeaders
WinHttpOpenRequest
WinHttpAddRequestHeaders
WinHttpOpen
WinHttpWriteData
WinHttpSetCredentials
WinHttpQueryDataAvailable
WinHttpSetOption
WinHttpSendRequest
WinHttpQueryOption

kernel32

SetFileAttributesW
SetFileTime
GetACP
GetExitCodeProcess
CloseHandle
LocalFree
GetCurrentProcessId
SizeofResource
VirtualProtect
TerminateThread
QueryPerformanceFrequency
SetHandleInformation
IsDebuggerPresent
FindNextFileW
GetFullPathNameW
VirtualFree
GetProcessHeap
ExitProcess
HeapAlloc
WriteProfileStringW
GetCPInfoExW
RtlUnwind
GetCPInfo
GetStdHandle
GetTimeZoneInformation
FileTimeToLocalFileTime
GetModuleHandleW
FreeLibrary
HeapDestroy
CompareFileTime
ReadFile
CreateProcessW
TransactNamedPipe
GetLastError
GetModuleFileNameW
SetLastError
FindResourceW
OpenMutexW
CreateThread
CompareStringW
CopyFileW
CreateMutexW
LoadLibraryA
GetVolumeInformationW
ResetEvent
MulDiv
FreeResource
GetDriveTypeW
GetVersion
RaiseException
MoveFileW
GlobalAddAtomW
GetSystemTimeAsFileTime
FormatMessageW
OpenProcess
SwitchToThread
GetExitCodeThread
GetCurrentThread
GetLogicalDrives
LocalFileTimeToFileTime
SetNamedPipeHandleState
LoadLibraryExW
TerminateProcess
LockResource
FileTimeToSystemTime
GetShortPathNameW
GetCurrentThreadId
UnhandledExceptionFilter
MoveFileExW
PeekNamedPipe
GlobalFindAtomW
VirtualQuery
GlobalFree
VirtualQueryEx
Sleep
EnterCriticalSection
SetFilePointer
ReleaseMutex
FlushFileBuffers
LoadResource
SuspendThread
GetTickCount
WritePrivateProfileStringW
GetFileSize
GlobalDeleteAtom
GetStartupInfoW
GetFileAttributesW
GetCurrentDirectoryW
SetCurrentDirectoryW
InitializeCriticalSection
GetSystemWindowsDirectoryW
GetThreadPriority
GetCurrentProcess
SetThreadPriority
VirtualAlloc
GetCommandLineW
GetSystemInfo
LeaveCriticalSection
GetProcAddress
ResumeThread
GetVersionExW
VerifyVersionInfoW
HeapCreate
GetWindowsDirectoryW
DeviceIoControl
LCMapStringW
GetDiskFreeSpaceW
VerSetConditionMask
FindFirstFileW
GetUserDefaultUILanguage
lstrlenW
QueryPerformanceCounter
SetEndOfFile
lstrcmpW
HeapFree
WideCharToMultiByte
FindClose
MultiByteToWideChar
LoadLibraryW
SetEvent
CreateFileW
GetLocaleInfoW
EnumResourceNamesW
GetSystemDirectoryW
DeleteFileW
GetEnvironmentVariableW
GetLocalTime
WaitForSingleObject
WriteFile
CreateNamedPipeW
ExitThread
CreatePipe
DeleteCriticalSection
GetDateFormatW
TlsGetValue
SetErrorMode
GetComputerNameW
IsValidLocale
TlsSetValue
CreateDirectoryW
GetOverlappedResult
GetSystemDefaultUILanguage
EnumCalendarInfoW
GetProfileStringW
LocalAlloc
GetUserDefaultLangID
RemoveDirectoryW
IsDBCSLeadByte
CreateEventW
GetPrivateProfileStringW
WaitForMultipleObjectsEx
GetThreadLocale
SetThreadLocale

ole32

StgCreateDocfileOnILockBytes
CoCreateInstance
CLSIDFromString
CoUninitialize
IsEqualGUID
OleInitialize
CoFreeUnusedLibraries
CreateILockBytesOnHGlobal
CLSIDFromProgID
OleUninitialize
CoDisconnectObject
CoInitialize
CoTaskMemFree
CoTaskMemAlloc
StringFromCLSID

gdi32

Arc
Pie
SetBkMode
SelectPalette
CreateCompatibleBitmap
ExcludeClipRect
RectVisible
SetWindowOrgEx
MaskBlt
AngleArc
Chord
SetTextColor
StretchBlt
SetDIBits
SetViewportOrgEx
CreateRectRgn
RealizePalette
SetDIBColorTable
GetDIBColorTable
RoundRect
RestoreDC
SetRectRgn
GetTextMetricsW
RemoveFontResourceW
GetWindowOrgEx
CreatePalette
CreateBrushIndirect
PatBlt
LineDDA
PolyBezierTo
GetStockObject
CreateSolidBrush
Polygon
Rectangle
MoveToEx
DeleteDC
SaveDC
BitBlt
Ellipse
FrameRgn
GetDeviceCaps
GetBitmapBits
GetTextExtentPoint32W
GetClipBox
Polyline
IntersectClipRect
GetSystemPaletteEntries
CreateBitmap
AddFontResourceW
CreateDIBitmap
GetStretchBltMode
CreateDIBSection
CreatePenIndirect
SetStretchBltMode
GetDIBits
CreateFontIndirectW
PolyBezier
LineTo
GetRgnBox
EnumFontsW
CreateHalftonePalette
DeleteObject
SelectObject
ExtFloodFill
UnrealizeObject
SetBkColor
CreateCompatibleDC
GetObjectW
GetBrushOrgEx
GetCurrentPositionEx
SetROP2
GetTextExtentPointW
ExtTextOutW
SetBrushOrgEx
GetPixel
ArcTo
GdiFlush
SetPixel
EnumFontFamiliesExW
GetPaletteEntries

Exports

Exports

__dbk_fcall_wrapper
dbkFCallWrapperAddr

Sections

.text
Size: 2.7MB - Virtual size: 2.7MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.itext
Size: 12KB - Virtual size: 11KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 40KB - Virtual size: 39KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.bss
Size: - Virtual size: 31KB

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

.didata
Size: 4KB - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.edata
Size: 512B - Virtual size: 110B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.tls
Size: - Virtual size: 88B

IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rdata
Size: 512B - Virtual size: 93B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 307KB - Virtual size: 307KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

d6ea28a9f4da0730c2562f3beec87130

Headers

DLL Characteristics

File Characteristics

Imports

mpr

comdlg32

comctl32

shell32

user32

version

oleaut32

advapi32

msvcrt

winhttp

kernel32

ole32

gdi32

Exports

Exports

Sections

.text Size: 2.7MB - Virtual size: 2.7MB

.itext Size: 12KB - Virtual size: 11KB

.data Size: 40KB - Virtual size: 39KB

.bss Size: - Virtual size: 31KB

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

.didata Size: 4KB - Virtual size: 3KB

.edata Size: 512B - Virtual size: 110B

.tls Size: - Virtual size: 88B

.rdata Size: 512B - Virtual size: 93B

.rsrc Size: 307KB - Virtual size: 307KB

.text
Size: 2.7MB - Virtual size: 2.7MB

.itext
Size: 12KB - Virtual size: 11KB

.data
Size: 40KB - Virtual size: 39KB

.bss
Size: - Virtual size: 31KB

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

.didata
Size: 4KB - Virtual size: 3KB

.edata
Size: 512B - Virtual size: 110B

.tls
Size: - Virtual size: 88B

.rdata
Size: 512B - Virtual size: 93B

.rsrc
Size: 307KB - Virtual size: 307KB