2023-08-26_5c601fa0b2348cb52b58911cb5a3d612_mbrlock_xiaoba_JC[.]exe

Sharing

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General

Target

2023-08-26_5c601fa0b2348cb52b58911cb5a3d612_mbrlock_xiaoba_JC.exe
Size

840KB
MD5

5c601fa0b2348cb52b58911cb5a3d612
SHA1

a508bad0ea9d89156f6e55f6f1320dc3e90948c0
SHA256

e2c6169419efb0a1d4156d5d72ae86f3f06cdab3967fb64c2ac1d3b389589a4b
SHA512

14ef7190c459b4dc2b3cfad27946838646956d4c58f86a9d04d63cd5918deb58cd2b1d4f99847d529863346bc0cc88be10816e1e8f9fc771922e12c7d0ef7d84
SSDEEP

12288:gtajtluq+w1/SmXSIlwNdEyn7YfFITZni5Kytyz:gta/V+w/rXSewNOyncfFITZiUytyz

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2023-08-26_5c601fa0b2348cb52b58911cb5a3d612_mbrlock_xiaoba_JC.exe

Files

2023-08-26_5c601fa0b2348cb52b58911cb5a3d612_mbrlock_xiaoba_JC.exe
.exe windows:4 windows x86

daa80d2d6c3c1d256d059586e341f778

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

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

user32

ExitWindowsEx
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
PeekMessageA
IsIconic
SetFocus
GetActiveWindow
GetWindow
DestroyAcceleratorTable
SetWindowRgn
GetMessagePos
ScreenToClient
ChildWindowFromPointEx
CopyRect
LoadBitmapA
WinHelpA
KillTimer
SetTimer
ReleaseCapture
GetCapture
SetCapture
GetScrollRange
SetScrollRange
SetScrollPos
SetRect
InflateRect
IntersectRect
DestroyIcon
UnregisterClassA
OffsetRect
IsWindowVisible
EnableWindow
RedrawWindow
GetWindowLongA
SetWindowLongA
GetSysColor
SetActiveWindow
SetCursorPos
LoadCursorA
SetCursor
GetDC
FillRect
IsRectEmpty
ReleaseDC
IsChild
DestroyMenu
SetForegroundWindow
GetWindowRect
EqualRect
UpdateWindow
ValidateRect
InvalidateRect
GetClientRect
GetFocus
GetParent
GetTopWindow
PostMessageA
IsWindow
SetParent
DestroyCursor
SendMessageA
SetWindowPos
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
GetScrollPos
AdjustWindowRectEx
MapWindowPoints
SendDlgItemMessageA
ScrollWindowEx
IsDialogMessageA
SetWindowTextA
MoveWindow
CheckMenuItem
SetMenuItemBitmaps
GetMenuState
GetMenuCheckMarkDimensions
GetClassNameA
GetDesktopWindow
LoadStringA
GetSysColorBrush
MessageBoxA
GetCursorPos
GetSystemMetrics
EmptyClipboard
SetClipboardData
OpenClipboard
GetClipboardData
CloseClipboard
wsprintfA
WaitForInputIdle
PtInRect

gdi32

Escape
GetTextMetricsA
TextOutA
RectVisible
PtVisible
GetViewportExtEx
ExtTextOutA
ExtSelectClipRgn
SetBkColor
CreateRectRgnIndirect
SetStretchBltMode
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
SetWindowOrgEx
ScaleViewportExtEx
SetViewportExtEx
OffsetViewportOrgEx
SetViewportOrgEx
SetMapMode
SetTextColor
SetROP2
SetPolyFillMode
SetBkMode
RestoreDC
SaveDC
SelectObject
GetObjectA
CreatePen
PatBlt
CombineRgn
CreateRectRgn
FillRgn
CreateSolidBrush
GetStockObject
CreateFontIndirectA
EndPage
EndDoc
DeleteDC
StartDocA
StartPage
BitBlt
CreateCompatibleDC
Ellipse
Rectangle
LPtoDP
DPtoLP
GetCurrentObject
RoundRect
GetTextExtentPoint32A
GetDeviceCaps
LineTo
MoveToEx
ExcludeClipRect
GetClipBox
ScaleWindowExtEx
SetWindowExtEx

winmm

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

winspool.drv

OpenPrinterA
DocumentPropertiesA
ClosePrinter

advapi32

AdjustTokenPrivileges
RegQueryValueExA
RegOpenKeyExA
RegSetValueExA
RegCreateKeyA
RegDeleteValueA
RegCreateKeyExA
RegDeleteKeyA
RegQueryValueA
LookupPrivilegeValueA
OpenProcessToken
RegCloseKey

shell32

ShellExecuteA
Shell_NotifyIconA

ole32

OleUninitialize
OleInitialize
CLSIDFromString

oleaut32

UnRegisterTypeLi
RegisterTypeLi
LoadTypeLi

comctl32

ImageList_Destroy
ord17

ws2_32

inet_ntoa
WSACleanup
accept
getpeername
recv
ioctlsocket
recvfrom
closesocket
WSAAsyncSelect

comdlg32

ChooseColorA
GetOpenFileNameA
GetSaveFileNameA
GetFileTitleA

Sections

.text
Size: 528KB - Virtual size: 526KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 204KB - Virtual size: 203KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 80KB - Virtual size: 226KB

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

daa80d2d6c3c1d256d059586e341f778

Headers

File Characteristics

Imports

kernel32

user32

gdi32

winmm

winspool.drv

advapi32

shell32

ole32

oleaut32

comctl32

ws2_32

comdlg32

Sections

.text Size: 528KB - Virtual size: 526KB

.rdata Size: 204KB - Virtual size: 203KB

.data Size: 80KB - Virtual size: 226KB

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

.text
Size: 528KB - Virtual size: 526KB

.rdata
Size: 204KB - Virtual size: 203KB

.data
Size: 80KB - Virtual size: 226KB

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