RuMeng_
Static task
static1
Behavioral task
behavioral1
Sample
f4720be1f2a90d03d200ad5d8e60c4ad43572b603bafca2d0a3e9b1d8b2a77d9.dll
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
f4720be1f2a90d03d200ad5d8e60c4ad43572b603bafca2d0a3e9b1d8b2a77d9.dll
Resource
win10v2004-20240802-en
General
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Target
f4720be1f2a90d03d200ad5d8e60c4ad43572b603bafca2d0a3e9b1d8b2a77d9
-
Size
964KB
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MD5
13603437c6aa286eb7c0ec28f6999912
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SHA1
8c578f1deaf0d655527d8ac7cc99b4ac2e3355e1
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SHA256
f4720be1f2a90d03d200ad5d8e60c4ad43572b603bafca2d0a3e9b1d8b2a77d9
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SHA512
5932dd85266f265a6a059a85a0eaa89f77d15db7397184ff06d435c4a8d4170f5f97ebc50fd62d68b55dc3cca440b69a3e5d051509a3a1fc057d7630409eed9a
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SSDEEP
12288:SnaI9n5jFAyuHa2mwzsN4/VTF8tvwsqr2Ubr9BBaAVfnQWdTq:SnHn5xAbHNHzA4/4lUxa8fQWpq
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource f4720be1f2a90d03d200ad5d8e60c4ad43572b603bafca2d0a3e9b1d8b2a77d9
Files
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f4720be1f2a90d03d200ad5d8e60c4ad43572b603bafca2d0a3e9b1d8b2a77d9.dll windows:4 windows x86 arch:x86
54b9fb36429590ff23a323d6d4f15b4b
Headers
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DLL
Imports
winmm
waveOutRestart
midiStreamRestart
waveOutUnprepareHeader
waveOutPrepareHeader
waveOutWrite
waveOutPause
waveOutReset
midiStreamClose
midiOutReset
midiStreamStop
midiStreamOut
midiOutPrepareHeader
midiStreamProperty
midiStreamOpen
midiOutUnprepareHeader
waveOutOpen
waveOutClose
waveOutGetNumDevs
ws2_32
inet_ntoa
WSACleanup
closesocket
WSAAsyncSelect
ioctlsocket
recv
recvfrom
getpeername
accept
ntohl
kernel32
GetCurrentProcess
SetFilePointer
GetFileSize
TerminateProcess
SetLastError
GetTimeZoneInformation
GetVersion
CreateMutexA
ReleaseMutex
SuspendThread
IsBadReadPtr
VirtualFree
VirtualAlloc
TerminateThread
CreateSemaphoreA
InterlockedExchange
SetStdHandle
IsBadCodePtr
CompareStringW
CompareStringA
ResumeThread
SetUnhandledExceptionFilter
GetStringTypeW
GetStringTypeA
IsBadWritePtr
LCMapStringW
LCMapStringA
SetEnvironmentVariableA
HeapCreate
HeapDestroy
GetEnvironmentVariableA
GetEnvironmentStringsW
GetEnvironmentStrings
FreeEnvironmentStringsW
FreeEnvironmentStringsA
GetStartupInfoA
GetFileType
GetStdHandle
SetHandleCount
GetACP
HeapSize
RaiseException
GetLocalTime
GetSystemTime
RtlUnwind
GetOEMCP
GetCPInfo
GetProcessVersion
SetErrorMode
GlobalFlags
GetCurrentThread
GetFileTime
TlsGetValue
LocalReAlloc
TlsSetValue
TlsFree
GlobalHandle
TlsAlloc
LocalAlloc
lstrcmpA
GlobalGetAtomNameA
GlobalAddAtomA
GlobalFindAtomA
GlobalDeleteAtom
lstrcmpiA
SetEndOfFile
UnlockFile
LockFile
FlushFileBuffers
DuplicateHandle
lstrcpynA
FileTimeToLocalFileTime
FileTimeToSystemTime
LocalFree
InterlockedDecrement
InterlockedIncrement
ReleaseSemaphore
EnterCriticalSection
LeaveCriticalSection
GetProfileStringA
WriteFile
CloseHandle
WaitForSingleObject
GetTickCount
GetCommandLineA
MulDiv
GetProcAddress
GetModuleHandleA
GetVolumeInformationA
SetCurrentDirectoryA
DeleteFileA
GetFileAttributesA
FindClose
FindFirstFileA
WaitForMultipleObjects
CreateFileA
SetEvent
FindResourceA
LoadResource
LockResource
ReadFile
GetModuleFileNameA
WideCharToMultiByte
MultiByteToWideChar
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
user32
GetWindowTextA
GetSysColorBrush
EmptyClipboard
SetClipboardData
OpenClipboard
GetClipboardData
CloseClipboard
wsprintfA
GetDlgItem
GetClassNameA
GetDesktopWindow
GetForegroundWindow
LoadIconA
TranslateMessage
DrawFrameControl
DrawEdge
DrawFocusRect
WindowFromPoint
GetMessageA
DispatchMessageA
SetRectEmpty
RegisterClipboardFormatA
CreateIconFromResourceEx
CreateIconFromResource
DrawIconEx
CreatePopupMenu
AppendMenuA
ModifyMenuA
CreateMenu
CreateAcceleratorTableA
GetDlgCtrlID
GetSubMenu
EnableMenuItem
LoadStringA
UnregisterClassA
GetMenuCheckMarkDimensions
GetMenuState
SetMenuItemBitmaps
ClientToScreen
EnumDisplaySettingsA
LoadImageA
SystemParametersInfoA
ShowWindow
IsWindowEnabled
TranslateAcceleratorA
GetKeyState
CopyAcceleratorTableA
PostQuitMessage
IsZoomed
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
SetRect
InflateRect
IntersectRect
DestroyIcon
PtInRect
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
MessageBoxA
GetCursorPos
GetSystemMetrics
CheckMenuItem
GetWindowTextLengthA
CharUpperA
GetWindowDC
BeginPaint
EndPaint
TabbedTextOutA
DrawTextA
GrayStringA
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
gdi32
ExtSelectClipRgn
LineTo
MoveToEx
ExcludeClipRect
GetClipBox
ScaleWindowExtEx
SetWindowExtEx
SetWindowOrgEx
ScaleViewportExtEx
SetViewportExtEx
OffsetViewportOrgEx
SetBkColor
CreateRectRgnIndirect
SetStretchBltMode
GetClipRgn
CreatePolygonRgn
SelectClipRgn
DeleteObject
CreateDIBitmap
GetSystemPaletteEntries
CreatePalette
StretchBlt
SelectPalette
RealizePalette
GetDIBits
GetViewportOrgEx
GetWindowOrgEx
BeginPath
EndPath
PathToRegion
CreateEllipticRgn
CreateRoundRectRgn
GetTextColor
GetBkMode
GetBkColor
GetROP2
GetStretchBltMode
GetPolyFillMode
CreateCompatibleBitmap
CreateDCA
CreateBitmap
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
GetViewportExtEx
PtVisible
RectVisible
TextOutA
ExtTextOutA
Escape
GetTextMetricsA
GetWindowExtEx
SaveDC
RestoreDC
SetBkMode
SetPolyFillMode
SetROP2
SetTextColor
SetMapMode
SetViewportOrgEx
winspool.drv
OpenPrinterA
DocumentPropertiesA
ClosePrinter
advapi32
RegQueryValueA
RegSetValueExA
RegOpenKeyExA
RegCloseKey
RegCreateKeyExA
shell32
ShellExecuteA
Shell_NotifyIconA
ole32
OleInitialize
OleUninitialize
CLSIDFromString
oleaut32
UnRegisterTypeLi
RegisterTypeLi
LoadTypeLi
comctl32
ImageList_Destroy
ord17
comdlg32
GetFileTitleA
ChooseColorA
GetOpenFileNameA
GetSaveFileNameA
Exports
Exports
Sections
.text Size: 644KB - Virtual size: 640KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 100KB - Virtual size: 98KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 100KB - Virtual size: 325KB
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
.reloc Size: 92KB - Virtual size: 91KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ