Static task
static1
Behavioral task
behavioral1
Sample
2024-05-29_25150e8ebea50bcc16514bd5eabd52b8_xiaoba.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
2024-05-29_25150e8ebea50bcc16514bd5eabd52b8_xiaoba.exe
Resource
win10v2004-20240508-en
General
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Target
2024-05-29_25150e8ebea50bcc16514bd5eabd52b8_xiaoba
-
Size
1.6MB
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MD5
25150e8ebea50bcc16514bd5eabd52b8
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SHA1
5dbfc87f35c5c99ecc32405f23978039242a40ce
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SHA256
7cc640695d212e6955b1ab084f626a72cb5864683f0188bb34ff71501613a273
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SHA512
c42ab9b783ab67aa924854547c0a6956e6d9a9719bc6b1923866ef123a8fc3d385b68309c7d7e110e15c84e82c5cec1d302f4c3da8fa9de136f0399fe3797630
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SSDEEP
24576:cJwo4WY1bAs4SItlreZTZaqdiXSp0c02uFG6dAk3HM6xHG3m:ceo4FAm2leZTZaqdwk0c05HGivxHF
Malware Config
Signatures
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UPX dump on OEP (original entry point) 1 IoCs
resource yara_rule sample UPX -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-05-29_25150e8ebea50bcc16514bd5eabd52b8_xiaoba
Files
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2024-05-29_25150e8ebea50bcc16514bd5eabd52b8_xiaoba.exe windows:4 windows x86 arch:x86
5389ff4b1274d900c6a9dd7ea9038890
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
rasapi32
RasHangUpA
RasGetConnectStatusA
msvfw32
DrawDibDraw
avifil32
AVIStreamInfoA
AVIStreamGetFrame
winmm
midiStreamRestart
midiStreamClose
midiOutReset
midiStreamStop
PlaySoundA
waveOutPrepareHeader
waveOutWrite
waveOutPause
waveOutReset
waveOutClose
waveOutGetNumDevs
waveOutOpen
midiOutUnprepareHeader
midiStreamOut
midiOutPrepareHeader
midiStreamProperty
midiStreamOpen
waveOutUnprepareHeader
ws2_32
gethostname
inet_addr
inet_ntoa
gethostbyname
WSAStartup
WSACleanup
select
send
closesocket
WSAAsyncSelect
htons
socket
setsockopt
recvfrom
ioctlsocket
connect
recv
accept
WSASetLastError
getpeername
kernel32
MultiByteToWideChar
GetVersion
InterlockedIncrement
InterlockedDecrement
WideCharToMultiByte
LocalFree
FileTimeToLocalFileTime
lstrcpynA
DuplicateHandle
FlushFileBuffers
LockFile
UnlockFile
SetEndOfFile
lstrcmpiA
GlobalDeleteAtom
GlobalFindAtomA
GlobalAddAtomA
GlobalGetAtomNameA
lstrcmpA
LocalAlloc
TlsAlloc
TlsFree
TlsSetValue
LocalReAlloc
TlsGetValue
GetFileTime
GetCurrentThread
GlobalFlags
SetErrorMode
GetProcessVersion
GetCPInfo
GetOEMCP
GetStartupInfoA
RtlUnwind
GetSystemTime
GetLocalTime
RaiseException
HeapSize
GetACP
SetStdHandle
GetFileType
UnhandledExceptionFilter
FreeEnvironmentStringsA
FreeEnvironmentStringsW
GetEnvironmentStrings
GetEnvironmentStringsW
SetHandleCount
GetStdHandle
GetEnvironmentVariableA
HeapDestroy
HeapCreate
VirtualFree
SetEnvironmentVariableA
LCMapStringA
LCMapStringW
VirtualAlloc
IsBadWritePtr
SetUnhandledExceptionFilter
GetStringTypeA
GetStringTypeW
CompareStringA
CompareStringW
IsBadReadPtr
IsBadCodePtr
TerminateProcess
GetCurrentProcess
GetFileSize
SetFilePointer
SetLastError
GetTimeZoneInformation
FileTimeToSystemTime
CreateSemaphoreA
ResumeThread
ReleaseSemaphore
EnterCriticalSection
LeaveCriticalSection
GetProfileStringA
WriteFile
ReadFile
GetLastError
WaitForMultipleObjects
CreateFileA
SetEvent
FindResourceA
LoadResource
LockResource
GetModuleFileNameA
GetCurrentThreadId
ExitProcess
GlobalSize
GlobalFree
DeleteCriticalSection
InitializeCriticalSection
lstrcatA
WinExec
lstrcpyA
FindNextFileA
GlobalReAlloc
HeapFree
HeapReAlloc
GetProcessHeap
HeapAlloc
GetFullPathNameA
FreeLibrary
LoadLibraryA
lstrlenA
GetVersionExA
WritePrivateProfileStringA
CreateThread
CreateEventA
Sleep
GlobalAlloc
GlobalLock
GlobalUnlock
FindFirstFileA
FindClose
SetFileAttributesA
GetFileAttributesA
SetCurrentDirectoryA
GetVolumeInformationA
GetModuleHandleA
GetProcAddress
MulDiv
GetCommandLineA
GetTickCount
WaitForSingleObject
CloseHandle
InterlockedExchange
GlobalHandle
user32
IsDialogMessageA
MoveWindow
CheckMenuItem
SetMenuItemBitmaps
GetMenuState
GetMenuCheckMarkDimensions
LoadStringA
GetSysColorBrush
GetScrollPos
RegisterClassA
GetMenuItemCount
GetMenuItemID
CreateWindowExA
SetWindowsHookExA
CallNextHookEx
GetClassLongA
SetPropA
UnhookWindowsHookEx
GetPropA
CallWindowProcA
RemovePropA
GetMessageTime
GetLastActivePopup
GetForegroundWindow
RegisterWindowMessageA
GetWindowPlacement
EndDialog
CreateDialogIndirectParamA
DestroyWindow
GrayStringA
DrawTextA
TabbedTextOutA
EndPaint
BeginPaint
GetWindowDC
CharUpperA
GetWindowTextLengthA
GetWindowTextA
FindWindowExA
GetDlgItem
GetClassNameA
GetDesktopWindow
DrawStateA
FrameRect
GetNextDlgTabItem
SetWindowTextA
SystemParametersInfoA
TranslateMessage
LoadIconA
DrawFrameControl
DrawEdge
DrawFocusRect
WindowFromPoint
GetMessageA
DispatchMessageA
SetRectEmpty
RegisterClipboardFormatA
CreateIconFromResourceEx
CreateIconFromResource
DrawIconEx
CreatePopupMenu
AppendMenuA
ModifyMenuA
CreateMenu
ScrollWindowEx
GetDlgCtrlID
GetSubMenu
EnableMenuItem
ClientToScreen
EnumDisplaySettingsA
LoadImageA
ShowWindow
IsWindowEnabled
TranslateAcceleratorA
GetKeyState
CopyAcceleratorTableA
PostQuitMessage
IsZoomed
GetSystemMenu
DeleteMenu
GetClassInfoA
DefWindowProcA
GetMenu
SetMenu
PeekMessageA
IsIconic
SetFocus
GetActiveWindow
GetWindow
DestroyAcceleratorTable
SetWindowRgn
GetMessagePos
ScreenToClient
ChildWindowFromPointEx
CopyRect
LoadBitmapA
WinHelpA
KillTimer
SetTimer
ReleaseCapture
GetCapture
SetCapture
GetScrollRange
SetScrollRange
SetScrollPos
InflateRect
SetRect
IntersectRect
DestroyIcon
PtInRect
OffsetRect
EnableWindow
RedrawWindow
GetWindowLongA
SetWindowLongA
GetSysColor
SetActiveWindow
SetCursorPos
LoadCursorA
SetCursor
GetDC
FillRect
IsRectEmpty
ReleaseDC
IsChild
DestroyMenu
SetForegroundWindow
GetWindowRect
EqualRect
SendDlgItemMessageA
MapWindowPoints
AdjustWindowRectEx
UpdateWindow
ValidateRect
InvalidateRect
GetClientRect
GetFocus
GetParent
GetTopWindow
PostMessageA
IsWindow
SetParent
DestroyCursor
SendMessageA
SetWindowPos
MessageBoxA
GetCursorPos
GetSystemMetrics
EmptyClipboard
SetClipboardData
OpenClipboard
GetClipboardData
CloseClipboard
wsprintfA
CreateAcceleratorTableA
IsWindowVisible
UnregisterClassA
gdi32
PatBlt
CreatePen
GetObjectA
SelectObject
CreatePatternBrush
CreateBitmap
CreateDCA
CreateCompatibleBitmap
GetPolyFillMode
GetStretchBltMode
GetROP2
GetBkColor
GetBkMode
GetTextColor
CreateRoundRectRgn
CreateEllipticRgn
PathToRegion
EndPath
BeginPath
GetWindowOrgEx
GetViewportOrgEx
GetWindowExtEx
GetDIBits
RealizePalette
SelectPalette
StretchBlt
CreatePalette
GetSystemPaletteEntries
CreateDIBitmap
DeleteObject
SelectClipRgn
CreatePolygonRgn
GetClipRgn
SetStretchBltMode
CreateDIBSection
CreateRectRgnIndirect
GetPixel
TextOutA
SetBkMode
SetTextColor
SetDIBitsToDevice
FillRgn
CreateRectRgn
SaveDC
RestoreDC
SetPolyFillMode
SetROP2
SetMapMode
SetViewportOrgEx
OffsetViewportOrgEx
SetViewportExtEx
ScaleViewportExtEx
SetWindowOrgEx
SetWindowExtEx
ScaleWindowExtEx
GetClipBox
ExcludeClipRect
MoveToEx
LineTo
ExtSelectClipRgn
GetViewportExtEx
PtVisible
RectVisible
ExtTextOutA
Escape
GetTextMetricsA
CreateCompatibleDC
Ellipse
CombineRgn
Rectangle
CreateSolidBrush
GetStockObject
LPtoDP
CreateFontIndirectA
EndPage
EndDoc
DeleteDC
StartDocA
StartPage
DPtoLP
BitBlt
GetCurrentObject
RoundRect
GetTextExtentPoint32A
SetBkColor
GetDeviceCaps
winspool.drv
DocumentPropertiesA
ClosePrinter
OpenPrinterA
comdlg32
ChooseColorA
GetOpenFileNameA
GetSaveFileNameA
GetFileTitleA
advapi32
RegQueryValueA
RegSetValueExA
RegOpenKeyExA
RegCloseKey
RegCreateKeyExA
shell32
ShellExecuteA
Shell_NotifyIconA
ole32
OleInitialize
OleUninitialize
CLSIDFromString
oleaut32
LoadTypeLi
RegisterTypeLi
UnRegisterTypeLi
comctl32
ImageList_Destroy
ord17
_TrackMouseEvent
wininet
InternetCloseHandle
Sections
.text Size: 508KB - Virtual size: 507KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 996KB - Virtual size: 994KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 84KB - Virtual size: 291KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 60KB - Virtual size: 57KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ