2024-05-13_d79df91bb8c46333347b8c64ed5534d3_mbrlock_xiaoba

Sharing

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General

Target

2024-05-13_d79df91bb8c46333347b8c64ed5534d3_mbrlock_xiaoba
Size

1.5MB
MD5

d79df91bb8c46333347b8c64ed5534d3
SHA1

fce66a3e00176963b2472e17f1869a8512c41b6e
SHA256

620059d283501775756beccd8068e74b2a3cc8577db5e31274eaf3c20ba3aba7
SHA512

2862dd1f9c28eccb4766242d47f80564027feae3d55d1b850df1de323a7fcec3ba67ea4a3b7fbb9b8e83a76d72975d74ac543e3362161a7d98ba9f0639917eb8
SSDEEP

24576:1EZu3AMHQHKOzHFuYY7Fk5W/9IJjDO4dSD+EtPTZiUytxUBp:1x3yHKO7IY26c6DOxDNtPIU

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-05-13_d79df91bb8c46333347b8c64ed5534d3_mbrlock_xiaoba

Files

2024-05-13_d79df91bb8c46333347b8c64ed5534d3_mbrlock_xiaoba
.exe windows:4 windows x86 arch:x86

64cb0b2a243f46422c2a7ad2db090023

Headers

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE

Imports

kernel32

lstrcmpiA
SetEndOfFile
UnlockFile
LockFile
FlushFileBuffers
SetFilePointer
DuplicateHandle
lstrcpynA
SetLastError
FileTimeToLocalFileTime
FileTimeToSystemTime
LocalFree
InterlockedDecrement
GetCurrentProcess
GetWindowsDirectoryA
GetSystemDirectoryA
CreateSemaphoreA
ResumeThread
ReleaseSemaphore
EnterCriticalSection
LeaveCriticalSection
SetStdHandle
IsBadCodePtr
IsBadReadPtr
CompareStringW
CompareStringA
SetUnhandledExceptionFilter
GetStringTypeW
GetStringTypeA
IsBadWritePtr
VirtualAlloc
LCMapStringW
LCMapStringA
SetEnvironmentVariableA
VirtualFree
HeapCreate
HeapDestroy
GetEnvironmentVariableA
GetFileType
GetStdHandle
SetHandleCount
GetEnvironmentStringsW
GetEnvironmentStrings
FreeEnvironmentStringsW
FreeEnvironmentStringsA
UnhandledExceptionFilter
GetACP
HeapSize
TerminateProcess
GetLocalTime
GetSystemTime
GetTimeZoneInformation
RaiseException
GetProfileStringA
WriteFile
WaitForMultipleObjects
CreateFileA
SetEvent
FindResourceA
LoadResource
LockResource
ReadFile
GetModuleFileNameA
WideCharToMultiByte
MultiByteToWideChar
GetCurrentThreadId
ExitProcess
GlobalSize
GlobalFree
DeleteCriticalSection
InitializeCriticalSection
lstrcatA
lstrlenA
WinExec
lstrcpyA
FindNextFileA
GetLogicalDriveStringsA
GetDriveTypeA
GlobalReAlloc
HeapFree
HeapReAlloc
GetProcessHeap
HeapAlloc
GetFullPathNameA
FreeLibrary
LoadLibraryA
GetLastError
GetVersionExA
WritePrivateProfileStringA
CreateThread
CreateEventA
Sleep
GlobalAlloc
GlobalLock
GlobalUnlock
GetTempPathA
FindFirstFileA
FindClose
RtlUnwind
GetStartupInfoA
GetOEMCP
GetCPInfo
GetProcessVersion
SetErrorMode
GlobalFlags
GetCurrentThread
GetFileTime
GetFileSize
TlsGetValue
LocalReAlloc
TlsSetValue
TlsFree
GlobalHandle
TlsAlloc
GetFileAttributesA
DeleteFileA
GetCurrentDirectoryA
SetCurrentDirectoryA
GetVolumeInformationA
GetModuleHandleA
GetProcAddress
MulDiv
GetCommandLineA
GetTickCount
WaitForSingleObject
CloseHandle
GlobalDeleteAtom
LocalAlloc
lstrcmpA
GetVersion
GlobalGetAtomNameA
GlobalAddAtomA
GlobalFindAtomA
InterlockedIncrement

user32

GetScrollPos
wsprintfA
CloseClipboard
GetClipboardData
OpenClipboard
SetClipboardData
EmptyClipboard
GetSystemMetrics
GetCursorPos
MessageBoxA
SetWindowPos
SendMessageA
DestroyCursor
SetParent
IsWindow
PostMessageA
GetTopWindow
GetParent
GetFocus
GetClientRect
InvalidateRect
ValidateRect
UpdateWindow
EqualRect
GetWindowRect
SetForegroundWindow
DestroyMenu
IsChild
ReleaseDC
IsRectEmpty
FillRect
GetDC
SetCursor
LoadCursorA
SetCursorPos
SetActiveWindow
GetSysColor
SetWindowLongA
GetWindowLongA
RedrawWindow
EnableWindow
IsWindowVisible
OffsetRect
PtInRect
DestroyIcon
IntersectRect
InflateRect
SetRect
SetScrollPos
SetScrollRange
GetScrollRange
SetCapture
GetCapture
ReleaseCapture
GetForegroundWindow
LoadIconA
TranslateMessage
DrawFrameControl
DrawEdge
DrawFocusRect
WindowFromPoint
GetMessageA
DispatchMessageA
SetRectEmpty
RegisterClipboardFormatA
CreateIconFromResourceEx
CreateIconFromResource
DrawIconEx
CreatePopupMenu
AppendMenuA
ModifyMenuA
CreateMenu
CreateAcceleratorTableA
GetDlgCtrlID
GetSubMenu
EnableMenuItem
ClientToScreen
EnumDisplaySettingsA
LoadImageA
SystemParametersInfoA
ShowWindow
IsWindowEnabled
TranslateAcceleratorA
GetKeyState
CopyAcceleratorTableA
PostQuitMessage
IsZoomed
GetClassInfoA
DefWindowProcA
GetSystemMenu
DeleteMenu
GetMenu
SetMenu
GetWindowTextA
GetWindowTextLengthA
CharUpperA
GetWindowDC
BeginPaint
EndPaint
TabbedTextOutA
DrawTextA
GrayStringA
GetDlgItem
DestroyWindow
CreateDialogIndirectParamA
EndDialog
GetNextDlgTabItem
GetWindowPlacement
RegisterWindowMessageA
GetLastActivePopup
GetMessageTime
RemovePropA
CallWindowProcA
GetPropA
UnhookWindowsHookEx
SetPropA
GetClassLongA
CallNextHookEx
SetWindowsHookExA
CreateWindowExA
GetMenuItemID
GetMenuItemCount
RegisterClassA
UnregisterClassA
AdjustWindowRectEx
MapWindowPoints
SendDlgItemMessageA
ScrollWindowEx
IsDialogMessageA
SetWindowTextA
MoveWindow
CheckMenuItem
SetMenuItemBitmaps
GetMenuState
GetMenuCheckMarkDimensions
GetClassNameA
GetDesktopWindow
LoadStringA
GetSysColorBrush
PeekMessageA
IsIconic
SetFocus
GetActiveWindow
GetWindow
DestroyAcceleratorTable
SetWindowRgn
GetMessagePos
ScreenToClient
ChildWindowFromPointEx
CopyRect
LoadBitmapA
WinHelpA
KillTimer
SetTimer

gdi32

GetClipRgn
CreatePolygonRgn
SelectClipRgn
DeleteObject
CreateDIBitmap
GetSystemPaletteEntries
CreatePalette
StretchBlt
SelectPalette
RealizePalette
GetDIBits
GetWindowExtEx
GetViewportOrgEx
GetWindowOrgEx
BeginPath
EndPath
PathToRegion
CreateEllipticRgn
CreateRoundRectRgn
GetTextColor
GetBkMode
GetBkColor
GetROP2
GetStretchBltMode
GetPolyFillMode
CreateCompatibleBitmap
CreateDCA
CreateBitmap
SelectObject
GetObjectA
CreatePen
SetStretchBltMode
CombineRgn
CreateRectRgn
FillRgn
CreateSolidBrush
GetStockObject
CreateFontIndirectA
EndPage
EndDoc
DeleteDC
StartDocA
StartPage
BitBlt
CreateCompatibleDC
Ellipse
Rectangle
LPtoDP
DPtoLP
GetCurrentObject
RoundRect
GetTextExtentPoint32A
GetDeviceCaps
SaveDC
RestoreDC
SetBkMode
SetPolyFillMode
SetROP2
SetTextColor
SetMapMode
SetViewportOrgEx
OffsetViewportOrgEx
SetViewportExtEx
ScaleViewportExtEx
SetWindowOrgEx
SetWindowExtEx
ScaleWindowExtEx
GetClipBox
ExcludeClipRect
MoveToEx
LineTo
CreateRectRgnIndirect
SetBkColor
PatBlt
GetTextMetricsA
Escape
ExtTextOutA
TextOutA
RectVisible
PtVisible
GetViewportExtEx
ExtSelectClipRgn

winmm

midiStreamRestart
midiStreamClose
midiOutReset
midiStreamStop
midiStreamOut
midiOutPrepareHeader
midiStreamProperty
midiStreamOpen
midiOutUnprepareHeader
waveOutOpen
waveOutGetNumDevs
waveOutClose
waveOutReset
waveOutPause
waveOutWrite
waveOutPrepareHeader
waveOutUnprepareHeader

winspool.drv

ClosePrinter
DocumentPropertiesA
OpenPrinterA

advapi32

RegCloseKey
RegOpenKeyExA
RegSetValueExA
RegQueryValueA
RegCreateKeyExA

shell32

ShellExecuteA
Shell_NotifyIconA
SHGetSpecialFolderPathA

ole32

OleInitialize
OleUninitialize
CLSIDFromString

oleaut32

UnRegisterTypeLi
RegisterTypeLi
LoadTypeLi

comctl32

ImageList_Destroy
ord17

ws2_32

recv
getpeername
accept
recvfrom
ioctlsocket
WSAAsyncSelect
closesocket
inet_ntoa
WSACleanup

comdlg32

GetFileTitleA
GetSaveFileNameA
GetOpenFileNameA
ChooseColorA
ChooseFontA

Sections

.text
Size: 524KB - Virtual size: 523KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 928KB - Virtual size: 927KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 72KB - Virtual size: 158KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 24KB - Virtual size: 22KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

64cb0b2a243f46422c2a7ad2db090023

Headers

File Characteristics

Imports

kernel32

user32

gdi32

winmm

winspool.drv

advapi32

shell32

ole32

oleaut32

comctl32

ws2_32

comdlg32

Sections

.text Size: 524KB - Virtual size: 523KB

.rdata Size: 928KB - Virtual size: 927KB

.data Size: 72KB - Virtual size: 158KB

.rsrc Size: 24KB - Virtual size: 22KB

.text
Size: 524KB - Virtual size: 523KB

.rdata
Size: 928KB - Virtual size: 927KB

.data
Size: 72KB - Virtual size: 158KB

.rsrc
Size: 24KB - Virtual size: 22KB