Static task
static1
Behavioral task
behavioral1
Sample
2025-01-14_86ce99ced435589cd652db5e66919b88_bkransomware_ramnit.exe
Resource
win7-20240903-en
General
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Target
2025-01-14_86ce99ced435589cd652db5e66919b88_bkransomware_ramnit
-
Size
2.2MB
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MD5
86ce99ced435589cd652db5e66919b88
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SHA1
fd74bc1bb0dc154bd4f09f31db90096329b464d3
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SHA256
ce728d96aa78387b2dcd45b20c213c3960147101f84ebb483a9c639cf991d940
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SHA512
7d5d6130d001bc5500d483d966049d514404c8389d7cd4c0fb7f12c550329f0f35e893403a5436f4d98255868e6c84b5fbcd1e4cb12c7412ab21000fbe2ed994
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SSDEEP
49152:JbheTlhinF4DNUScen4fuRQ24696jEs1rc/mUDYHfAlvwfGlM:QDiF4DNUben0uR46iE0rIYHfAlv
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2025-01-14_86ce99ced435589cd652db5e66919b88_bkransomware_ramnit
Files
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2025-01-14_86ce99ced435589cd652db5e66919b88_bkransomware_ramnit.exe windows:6 windows x86 arch:x86
de28aaab2de1be4fd796977dbccc4b23
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
kernel32
HeapQueryInformation
IsValidCodePage
UnhandledExceptionFilter
SetUnhandledExceptionFilter
TerminateProcess
GetStartupInfoW
GetStdHandle
QueryPerformanceCounter
GetEnvironmentStringsW
FreeEnvironmentStringsW
GetFileType
GetConsoleMode
ReadConsoleW
SetFilePointerEx
GetTimeZoneInformation
GetStringTypeW
OutputDebugStringW
LCMapStringW
WriteConsoleW
CreateFileW
SetEnvironmentVariableA
SetStdHandle
GetModuleHandleExW
ExitProcess
ExitThread
VirtualQuery
VirtualAlloc
GetSystemInfo
GetCommandLineA
GetSystemTimeAsFileTime
IsProcessorFeaturePresent
IsDebuggerPresent
RtlUnwind
FindResourceExW
VirtualProtect
SearchPathA
GetProfileIntA
GetTempFileNameA
GetTempPathA
VerifyVersionInfoA
VerSetConditionMask
lstrcpyA
GetTickCount
SetErrorMode
GetWindowsDirectoryA
GetCurrentDirectoryA
GetFileTime
GetFileSizeEx
GetFileAttributesExA
GetFileAttributesA
FileTimeToLocalFileTime
GetVolumeInformationA
lstrcmpiA
GetCurrentProcess
DuplicateHandle
UnlockFile
SetFilePointer
SetEndOfFile
LockFile
GetFullPathNameA
GetFileSize
FlushFileBuffers
FindFirstFileA
FindClose
DeleteFileA
GetACP
GetCPInfo
GetOEMCP
GetUserDefaultUILanguage
GetSystemDefaultUILanguage
GetLocaleInfoW
CompareStringW
GlobalFlags
GetThreadLocale
FileTimeToSystemTime
LocalReAlloc
LocalAlloc
GlobalHandle
GlobalReAlloc
TlsFree
TlsSetValue
TlsGetValue
TlsAlloc
GetPrivateProfileIntA
GetVersionExA
GetCurrentThread
ResumeThread
SetThreadPriority
WaitForSingleObject
lstrcmpA
GetCurrentProcessId
CompareStringA
GlobalGetAtomNameA
GlobalFindAtomA
GlobalAddAtomA
FindResourceA
LoadLibraryW
LoadLibraryA
lstrcmpW
GlobalDeleteAtom
LoadLibraryExW
GetProcAddress
GetModuleHandleW
GetModuleHandleA
GetModuleFileNameW
FreeResource
FreeLibrary
GetSystemDirectoryW
InitializeCriticalSectionAndSpinCount
EncodePointer
OutputDebugStringA
CopyFileA
FormatMessageA
MulDiv
LocalFree
GlobalFree
GlobalUnlock
GlobalLock
GlobalSize
GlobalAlloc
SetLastError
InitializeCriticalSectionEx
GetProcessHeap
HeapSize
HeapFree
HeapReAlloc
HeapAlloc
RaiseException
DecodePointer
SetLocalTime
GetCurrentThreadId
OpenMutexA
CreateMutexA
MultiByteToWideChar
WaitCommEvent
SetCommState
SetCommMask
PurgeComm
GetCommState
SetupComm
ClearCommError
WaitForMultipleObjects
TerminateThread
CreateThread
Sleep
GetOverlappedResult
GetLastError
WriteFile
ReadFile
CreateFileA
ResetEvent
CreateEventA
SetEvent
DeleteCriticalSection
CloseHandle
WideCharToMultiByte
FindResourceW
SizeofResource
LockResource
LoadResource
LeaveCriticalSection
EnterCriticalSection
InitializeCriticalSection
WritePrivateProfileStringA
GetPrivateProfileStringA
GetModuleFileNameA
GetLocalTime
GetConsoleCP
lstrlenA
user32
CreateMenu
DestroyCursor
GetWindowRgn
DrawIcon
DestroyIcon
DeleteMenu
CharUpperA
CopyImage
RealChildWindowFromPoint
LoadCursorA
GetSysColorBrush
SystemParametersInfoA
GetMenuItemInfoA
DestroyMenu
MapDialogRect
SetWindowContextHelpId
SetCursor
ShowOwnedPopups
PostQuitMessage
TranslateMessage
GetMessageA
WaitMessage
WindowFromPoint
GetCursorPos
GetDesktopWindow
GetActiveWindow
GetNextDlgTabItem
EndDialog
CreateDialogIndirectParamA
IntersectRect
InflateRect
GetMonitorInfoA
MonitorFromWindow
WinHelpA
GetScrollInfo
SetScrollInfo
CallNextHookEx
SetWindowsHookExA
GetLastActivePopup
GetTopWindow
GetClassNameA
GetClassLongA
EqualRect
MapWindowPoints
MessageBoxA
AdjustWindowRectEx
RemovePropA
GetPropA
SetPropA
ShowScrollBar
GetScrollRange
SetScrollRange
GetScrollPos
SetScrollPos
ScrollWindow
RedrawWindow
ValidateRect
SetActiveWindow
UpdateWindow
TrackPopupMenu
SetMenu
GetMenu
GetCapture
GetKeyState
EndDeferWindowPos
DeferWindowPos
BeginDeferWindowPos
SetWindowPlacement
GetWindowPlacement
DestroyWindow
IsChild
CreateWindowExA
GetClassInfoExA
RegisterClassA
DefWindowProcA
GetMessageTime
GetMessagePos
PeekMessageA
DispatchMessageA
RegisterWindowMessageA
LockWindowUpdate
GetWindow
GetWindowTextLengthA
IsWindowEnabled
SetFocus
GetDlgCtrlID
SendDlgItemMessageA
CheckDlgButton
GetDlgItem
SetWindowPos
MoveWindow
ShowWindow
SetMenuItemInfoA
GetMenuCheckMarkDimensions
SetMenuItemBitmaps
EnableMenuItem
CheckMenuItem
GetFocus
GetSysColor
ScreenToClient
ClientToScreen
EndPaint
BeginPaint
UnhookWindowsHookEx
RemoveMenu
InsertMenuA
GetMenuItemCount
GetMenuItemID
GetSubMenu
GetMenuState
GetMenuStringA
UnregisterClassA
GetNextDlgGroupItem
LoadIconW
GetWindowThreadProcessId
FindWindowA
SetForegroundWindow
GetForegroundWindow
AppendMenuA
GetSystemMenu
AttachThreadInput
LoadStringA
LoadImageA
LoadIconA
SetRectEmpty
TabbedTextOutA
GrayStringA
DrawTextExA
KillTimer
SetTimer
ReleaseCapture
SetCapture
GetClassInfoA
CallWindowProcA
GetWindowDC
SetWindowLongA
GetWindowLongA
DrawTextA
GetSystemMetrics
MapVirtualKeyExA
IsCharLowerA
SendMessageA
IsWindow
EnableWindow
GetKeyboardLayout
IsZoomed
IsIconic
IsWindowVisible
PostMessageA
PtInRect
GetWindowRect
ReleaseDC
GetDC
LoadBitmapW
GetParent
CopyRect
SetRect
FillRect
DrawFocusRect
GetClientRect
GetWindowTextA
InvalidateRect
SubtractRect
GetUpdateRect
IsClipboardFormatAvailable
TranslateMDISysAccel
DefMDIChildProcA
DefFrameProcA
DrawMenuBar
FrameRect
CharUpperBuffA
ModifyMenuA
SetMenuDefaultItem
CopyIcon
LoadCursorW
SetWindowRgn
DrawStateA
SetClassLongA
SetCursorPos
DestroyAcceleratorTable
CreateAcceleratorTableA
LoadAcceleratorsW
ToAsciiEx
SetWindowTextA
GetKeyboardState
GetComboBoxInfo
LoadMenuW
TrackMouseEvent
MonitorFromPoint
UpdateLayeredWindow
IsMenu
DrawFrameControl
DrawEdge
LoadImageW
EmptyClipboard
SetClipboardData
CloseClipboard
OpenClipboard
EnumDisplayMonitors
SetLayeredWindowAttributes
PostThreadMessageA
SetParent
UnionRect
GetKeyNameTextA
MapVirtualKeyA
NotifyWinEvent
InvertRect
HideCaret
EnableScrollBar
GetAsyncKeyState
GetIconInfo
DrawIconEx
RegisterClipboardFormatA
ReuseDDElParam
UnpackDDElParam
InsertMenuItemA
LoadMenuA
TranslateAcceleratorA
LoadAcceleratorsA
BringWindowToTop
GetMenuDefaultItem
CreatePopupMenu
MessageBeep
IsRectEmpty
InvalidateRgn
CopyAcceleratorTableA
OffsetRect
IsDialogMessageA
CharNextA
GetDoubleClickTime
gdi32
Escape
PtVisible
RectVisible
SetPixel
TextOutA
ExtTextOutA
DeleteObject
SelectObject
GetStockObject
CopyMetaFileA
CreateDCA
GetDeviceCaps
CreateHatchBrush
CreatePatternBrush
DeleteDC
ExcludeClipRect
GetClipBox
GetObjectType
GetPixel
GetViewportExtEx
GetWindowExtEx
IntersectClipRect
LineTo
RestoreDC
SaveDC
SelectClipRgn
ExtSelectClipRgn
SelectPalette
SetBkColor
SetBkMode
SetMapMode
SetLayout
GetLayout
SetPolyFillMode
SetROP2
SetTextColor
SetTextAlign
MoveToEx
SetViewportExtEx
SetViewportOrgEx
SetWindowExtEx
ExtCreatePen
OffsetViewportOrgEx
OffsetWindowOrgEx
ScaleViewportExtEx
ScaleWindowExtEx
CombineRgn
CreateRectRgnIndirect
GetMapMode
PatBlt
SetRectRgn
DPtoLP
GetTextMetricsA
GetBkColor
GetTextColor
GetRgnBox
CreatePalette
GetNearestPaletteIndex
GetPaletteEntries
GetSystemPaletteEntries
RealizePalette
CreateDIBitmap
EnumFontFamiliesA
GetTextCharsetInfo
CreateDIBSection
SetDIBColorTable
Ellipse
CreatePolygonRgn
Polygon
Polyline
EnumFontFamiliesExA
OffsetRgn
FrameRgn
PtInRegion
SetPixelV
ExtFloodFill
SetPaletteEntries
FillRgn
GetBoundsRect
GetWindowOrgEx
LPtoDP
GetViewportOrgEx
GetTextFaceA
CreateEllipticRgn
Rectangle
SetBitmapBits
CreateBitmapIndirect
GetObjectA
StretchBlt
RoundRect
GetTextExtentPoint32A
CreateSolidBrush
CreateRoundRectRgn
CreateRectRgn
CreatePen
CreateFontIndirectA
CreateCompatibleDC
CreateCompatibleBitmap
CreateBitmap
SetWindowOrgEx
BitBlt
msimg32
AlphaBlend
TransparentBlt
winspool.drv
DocumentPropertiesA
ClosePrinter
OpenPrinterA
advapi32
RegEnumKeyA
RegEnumKeyExA
RegEnumValueA
RegQueryValueA
RegCloseKey
RegSetValueExA
RegDeleteValueA
RegDeleteKeyA
RegCreateKeyExA
RegQueryValueExA
RegOpenKeyExA
shell32
SHGetFileInfoA
SHGetPathFromIDListA
SHGetSpecialFolderLocation
SHGetDesktopFolder
SHAppBarMessage
SHBrowseForFolderA
ShellExecuteA
DragFinish
DragQueryFileA
comctl32
_TrackMouseEvent
shlwapi
PathFindFileNameA
PathIsUNCA
PathStripToRootA
StrFormatKBSizeA
PathFindExtensionA
PathRemoveFileSpecW
uxtheme
DrawThemeText
DrawThemeBackground
IsThemeBackgroundPartiallyTransparent
DrawThemeParentBackground
OpenThemeData
CloseThemeData
GetThemeColor
GetCurrentThemeName
GetThemePartSize
IsAppThemed
GetThemeSysColor
GetWindowTheme
ole32
OleDestroyMenuDescriptor
OleCreateMenuDescriptor
DoDragDrop
CreateStreamOnHGlobal
CoRegisterMessageFilter
CoTaskMemAlloc
CoTaskMemFree
OleDuplicateData
ReleaseStgMedium
CoUninitialize
CoCreateGuid
CoCreateInstance
CoInitialize
CLSIDFromString
CLSIDFromProgID
CoDisconnectObject
CoGetClassObject
StgCreateDocfileOnILockBytes
StgOpenStorageOnILockBytes
CreateILockBytesOnHGlobal
CoInitializeEx
CoFreeUnusedLibraries
OleInitialize
OleUninitialize
CoRevokeClassObject
OleIsCurrentClipboard
OleFlushClipboard
RevokeDragDrop
RegisterDragDrop
CoLockObjectExternal
OleGetClipboard
IsAccelerator
OleLockRunning
OleTranslateAccelerator
oleaut32
SysStringLen
SystemTimeToVariantTime
VariantTimeToSystemTime
SafeArrayDestroy
LoadTypeLi
VariantCopy
VarBstrFromDate
OleCreateFontIndirect
SysAllocString
VariantChangeType
VariantClear
SysAllocStringLen
VariantInit
SysAllocStringByteLen
SysFreeString
oledlg
ord8
ws2_32
setsockopt
WSAGetLastError
accept
bind
closesocket
connect
htonl
htons
inet_addr
recv
recvfrom
select
send
sendto
socket
gethostbyname
WSAStartup
WSACleanup
WSASetLastError
WSAAsyncSelect
winmm
timeBeginPeriod
PlaySoundA
timeGetTime
timeSetEvent
timeKillEvent
timeGetDevCaps
timeEndPeriod
oleacc
AccessibleObjectFromWindow
LresultFromObject
CreateStdAccessibleObject
gdiplus
GdipSetInterpolationMode
GdipCreateFromHDC
GdipCreateBitmapFromHBITMAP
GdipDrawImageI
GdipDeleteGraphics
GdipBitmapUnlockBits
GdipBitmapLockBits
GdipCreateBitmapFromScan0
GdiplusShutdown
GdipAlloc
GdipFree
GdiplusStartup
GdipCloneImage
GdipDisposeImage
GdipGetImageGraphicsContext
GdipGetImageWidth
GdipGetImageHeight
GdipGetImagePixelFormat
GdipGetImagePalette
GdipGetImagePaletteSize
GdipCreateBitmapFromStream
GdipDrawImageRectI
imm32
ImmGetContext
ImmReleaseContext
ImmGetOpenStatus
Sections
.text Size: 1.5MB - Virtual size: 1.5MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 341KB - Virtual size: 340KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 143KB - Virtual size: 173KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 25KB - Virtual size: 25KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 130KB - Virtual size: 130KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
.rmnet Size: 113KB - Virtual size: 116KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE