2023-08-25_c70c0674ad664fd9680114da6c5a7d37_mbrlock_xiaoba_JC[.]exe

Sharing

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General

Target

2023-08-25_c70c0674ad664fd9680114da6c5a7d37_mbrlock_xiaoba_JC.exe
Size

840KB
MD5

c70c0674ad664fd9680114da6c5a7d37
SHA1

613d078edcbaffd530c302fa3982fd1e206100da
SHA256

04f1a7f607619a745f7da6f7ab17ad68b06cd7dc1774c69c33c1ce9143663c76
SHA512

0d1148b72d2e34837f658ab1d23b60fc21a9b1b6452a7db095e62d2aa4b3fee9cd28d2c6e27fa28d6fdd4e1de3317688a71e9a3adf69e1dd751f605465a4ab5a
SSDEEP

12288:IlgfEviLyoAbZN8U+kSBw+Vdf4zdTZni5KytikA:ImfEaL1AbZeUpSBZd2TZiUytikA

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2023-08-25_c70c0674ad664fd9680114da6c5a7d37_mbrlock_xiaoba_JC.exe

Files

2023-08-25_c70c0674ad664fd9680114da6c5a7d37_mbrlock_xiaoba_JC.exe
.exe windows:4 windows x86

04757e515f10c6dea9e61a5c1218b736

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

SetEndOfFile
UnlockFile
LockFile
FlushFileBuffers
SetFilePointer
GetCurrentProcess
DuplicateHandle
lstrcpynA
SetLastError
FileTimeToLocalFileTime
FileTimeToSystemTime
LocalFree
MultiByteToWideChar
WideCharToMultiByte
InterlockedDecrement
CreateSemaphoreA
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
ResumeThread
ReleaseSemaphore
EnterCriticalSection
LeaveCriticalSection
GetProfileStringA
WriteFile
WaitForMultipleObjects
CreateFileA
SetEvent
FindResourceA
LoadResource
LockResource
ReadFile
GetModuleFileNameA
GetCurrentThreadId
ExitProcess
GlobalSize
GlobalFree
DeleteCriticalSection
InitializeCriticalSection
lstrcatA
lstrlenA
WinExec
lstrcpyA
FindNextFileA
GlobalReAlloc
HeapFree
HeapReAlloc
GetProcessHeap
HeapAlloc
GetFullPathNameA
FreeLibrary
LoadLibraryA
GetLastError
GetVersionExA
WritePrivateProfileStringA
CreateThread
CreateEventA
Sleep
GlobalAlloc
GlobalLock
GlobalUnlock
TerminateProcess
GetLocalTime
GetSystemTime
GetTimeZoneInformation
RaiseException
RtlUnwind
GetStartupInfoA
GetOEMCP
GetCPInfo
GetProcessVersion
SetErrorMode
GlobalFlags
GetCurrentThread
GetFileTime
GetFileSize
TlsGetValue
LocalReAlloc
TlsSetValue
TlsFree
GlobalHandle
TlsAlloc
LocalAlloc
FindFirstFileA
FindClose
GetFileAttributesA
CopyFileA
lstrcmpA
GetVersion
GlobalGetAtomNameA
GlobalAddAtomA
GlobalFindAtomA
GlobalDeleteAtom
lstrcmpiA
SetCurrentDirectoryA
GetVolumeInformationA
GetModuleHandleA
GetProcAddress
MulDiv
GetCommandLineA
GetTickCount
CreateProcessA
WaitForSingleObject
CloseHandle
InterlockedIncrement

user32

OpenClipboard
SetClipboardData
EmptyClipboard
GetSystemMetrics
GetCursorPos
MessageBoxA
SetWindowPos
SendMessageA
DestroyCursor
SetParent
GetClipboardData
PostMessageA
GetTopWindow
GetParent
GetFocus
GetClientRect
InvalidateRect
ValidateRect
UpdateWindow
CloseClipboard
wsprintfA
EqualRect
GetWindowRect
SetForegroundWindow
WaitForInputIdle
IsWindow
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
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
GetWindowTextA
GetWindowTextLengthA
CharUpperA
GetWindowDC
BeginPaint
EndPaint
TabbedTextOutA
DrawTextA
GrayStringA
GetDlgItem
DestroyWindow
CreateDialogIndirectParamA
EndDialog
GetNextDlgTabItem
GetWindowPlacement
RegisterWindowMessageA
GetForegroundWindow
GetLastActivePopup
GetMessageTime
RemovePropA
CallWindowProcA
GetPropA
UnhookWindowsHookEx
SetPropA
GetClassLongA
CallNextHookEx
SetWindowsHookExA
CreateWindowExA
GetMenuItemID
GetMenuItemCount
RegisterClassA
GetScrollPos
UnregisterClassA
AdjustWindowRectEx
MapWindowPoints
SendDlgItemMessageA
ScrollWindowEx
IsDialogMessageA
SetWindowTextA
MoveWindow
CheckMenuItem
SetMenuItemBitmaps
GetMenuState
GetMenuCheckMarkDimensions
GetClassNameA
GetDesktopWindow
LoadStringA
GetSysColorBrush
DefWindowProcA
GetSystemMenu
DeleteMenu
GetMenu
SetMenu
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
SetStretchBltMode
CreatePen
PatBlt
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
GetObjectA
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
RegQueryValueExA
RegOpenKeyExA
RegSetValueExA
RegCreateKeyA
RegDeleteValueA
RegDeleteKeyA
RegQueryValueA
RegCreateKeyExA

shell32

ShellExecuteA
Shell_NotifyIconA

ole32

OleUninitialize
CLSIDFromString
OleInitialize

oleaut32

UnRegisterTypeLi
RegisterTypeLi
LoadTypeLi

comctl32

ImageList_Destroy
ord17

ws2_32

ioctlsocket
recv
getpeername
accept
recvfrom
WSAAsyncSelect
closesocket
WSACleanup
inet_ntoa

comdlg32

GetFileTitleA
GetSaveFileNameA
GetOpenFileNameA
ChooseColorA

Sections

.text
Size: 528KB - Virtual size: 525KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 204KB - Virtual size: 202KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 80KB - Virtual size: 202KB

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

04757e515f10c6dea9e61a5c1218b736

Headers

File Characteristics

Imports

kernel32

user32

gdi32

winmm

winspool.drv

advapi32

shell32

ole32

oleaut32

comctl32

ws2_32

comdlg32

Sections

.text Size: 528KB - Virtual size: 525KB

.rdata Size: 204KB - Virtual size: 202KB

.data Size: 80KB - Virtual size: 202KB

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

.text
Size: 528KB - Virtual size: 525KB

.rdata
Size: 204KB - Virtual size: 202KB

.data
Size: 80KB - Virtual size: 202KB

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