2024-05-28_5a0c5c2adc18141fc2d48576f89d0aff_bkransomware

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General

Target

2024-05-28_5a0c5c2adc18141fc2d48576f89d0aff_bkransomware
Size

2.9MB
MD5

5a0c5c2adc18141fc2d48576f89d0aff
SHA1

10a426974036d629825135bad7074e45342d77d8
SHA256

cc87c3af36336574ca461ea723480548026ac35974389242d9f4c1e8d63131a8
SHA512

245fa3bac2019bd8234608b60d59abe0a9fd92f73385ffa1a52b8018bafd0fccb45f4c0c5c7610315f1d98327e4ae36268711ecca3717c8397b0023f8b2862ba
SSDEEP

49152:cK/ix4c9dq+CvovZG96hK0TxxWXgcfLBr+Oh6ve2y4Gm/K+kudUdcZ:cKKHq+CvohG+KixxWXgWrHs1y4Gm/Klh

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-05-28_5a0c5c2adc18141fc2d48576f89d0aff_bkransomware

Files

2024-05-28_5a0c5c2adc18141fc2d48576f89d0aff_bkransomware
.exe windows:5 windows x86 arch:x86

abc69964c880673a42e583685b52e65f

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

CreateThread
ExitThread
IsDebuggerPresent
IsProcessorFeaturePresent
SetStdHandle
HeapQueryInformation
GetSystemInfo
VirtualAlloc
VirtualQuery
GetStdHandle
GetStartupInfoW
QueryPerformanceCounter
GetEnvironmentStringsW
FreeEnvironmentStringsW
UnhandledExceptionFilter
SetUnhandledExceptionFilter
TerminateProcess
IsValidCodePage
GetACP
MoveFileExW
GetCPInfo
GetConsoleMode
ReadConsoleW
SetFilePointerEx
GetConsoleCP
GetTimeZoneInformation
GetStringTypeW
OutputDebugStringW
LCMapStringW
WriteConsoleW
GetExitCodeProcess
CreateProcessW
SetCurrentDirectoryW
SetEnvironmentVariableW
GetDriveTypeW
AreFileApisANSI
GetModuleHandleExW
LockResource
ExitProcess
SystemTimeToTzSpecificLocalTime
FindNextFileW
FindFirstFileExW
GetCurrentDirectoryA
GetFileType
GetFileInformationByHandle
GetSystemTimeAsFileTime
RtlUnwind
GetCommandLineW
FindResourceExW
VirtualProtect
SearchPathW
GetProfileIntW
GetTempPathW
GetTempFileNameW
VerifyVersionInfoW
VerSetConditionMask
GetTickCount
GetWindowsDirectoryW
lstrcpyW
GetCurrentDirectoryW
GetUserDefaultUILanguage
GetSystemDefaultUILanguage
GetLocaleInfoW
CompareStringW
GlobalFlags
SetErrorMode
GlobalGetAtomNameW
LocalReAlloc
LocalAlloc
GlobalHandle
GlobalReAlloc
TlsFree
TlsSetValue
TlsGetValue
TlsAlloc
InitializeCriticalSection
GetCurrentProcessId
WritePrivateProfileStringW
GetPrivateProfileStringW
GetPrivateProfileIntW
lstrcmpA
GetVersionExW
GetCurrentThread
GlobalFindAtomW
GlobalAddAtomW
lstrcmpW
GlobalDeleteAtom
SetCurrentDirectoryA
SetEnvironmentVariableA
PeekNamedPipe
GetFullPathNameA
FreeResource
FreeLibrary
GetSystemDirectoryW
EncodePointer
FileTimeToSystemTime
SetFileAttributesW
GetFileTime
GetFileSizeEx
GetFileAttributesExW
GetFileAttributesW
FileTimeToLocalFileTime
GetThreadLocale
LoadLibraryW
LoadLibraryA
lstrcmpiW
LoadLibraryExW
GetProcAddress
GetModuleHandleW
GetModuleHandleA
GetModuleFileNameW
GetCurrentProcess
DuplicateHandle
OutputDebugStringA
SetEndOfFile
GetVolumeInformationW
GetFullPathNameW
GetFileSize
FlushFileBuffers
FindFirstFileW
FindClose
ResumeThread
SuspendThread
SetThreadPriority
GetCurrentThreadId
FormatMessageW
MulDiv
LocalFree
GlobalFree
GlobalUnlock
GlobalLock
GlobalSize
GlobalAlloc
SetLastError
MoveFileW
SetFilePointer
UnlockFile
LockFile
CreateDirectoryW
RaiseException
GetProcessHeap
HeapSize
HeapFree
HeapReAlloc
HeapAlloc
DecodePointer
CreateMutexW
ReleaseMutex
CopyFileW
DeleteFileW
DeleteCriticalSection
InitializeCriticalSectionAndSpinCount
LeaveCriticalSection
EnterCriticalSection
WideCharToMultiByte
GetSystemTime
CreateFileW
WaitCommEvent
SetCommTimeouts
SetCommState
SetCommMask
PurgeComm
EscapeCommFunction
SetupComm
ClearCommError
ReadFile
WriteFile
GetOverlappedResult
MultiByteToWideChar
FindResourceW
CreateEventW
CloseHandle
SizeofResource
LoadResource
Sleep
WaitForSingleObject
ResetEvent
SetEvent
GetLastError
GetOEMCP

user32

GetWindowRgn
DrawIcon
GetKeyboardState
ToUnicodeEx
SetParent
MapVirtualKeyExW
IsCharLowerW
GetKeyboardLayout
PostThreadMessageW
GetSystemMenu
IsZoomed
GetComboBoxInfo
TrackMouseEvent
MonitorFromPoint
UpdateLayeredWindow
IsMenu
UnionRect
SetWindowRgn
DrawFrameControl
DrawEdge
DrawStateW
EmptyClipboard
SetClipboardData
CloseClipboard
OpenClipboard
EnumDisplayMonitors
SetLayeredWindowAttributes
RegisterClipboardFormatW
ReuseDDElParam
UnpackDDElParam
InsertMenuItemW
TranslateAcceleratorW
LoadAcceleratorsW
BringWindowToTop
GetMenuDefaultItem
CreatePopupMenu
NotifyWinEvent
InvertRect
HideCaret
EnableScrollBar
GetAsyncKeyState
GetIconInfo
DrawIconEx
LoadImageW
SetRectEmpty
DrawFocusRect
MessageBeep
GetNextDlgGroupItem
IsRectEmpty
SetRect
InvalidateRgn
CopyAcceleratorTableW
OffsetRect
CharNextW
WindowFromPoint
ReleaseCapture
SetCapture
WaitMessage
DestroyIcon
IsIconic
InvalidateRect
DeleteMenu
CopyImage
SystemParametersInfoW
GetMenuItemInfoW
DestroyMenu
RealChildWindowFromPoint
GetSysColorBrush
MapDialogRect
SetWindowContextHelpId
GetWindowThreadProcessId
SetCursor
ShowOwnedPopups
IntersectRect
InflateRect
FillRect
ClientToScreen
EndPaint
BeginPaint
DestroyCursor
TabbedTextOutW
GrayStringW
DrawTextExW
ReleaseDC
GetDC
MapVirtualKeyW
GetKeyNameTextW
LoadMenuW
GetNextDlgTabItem
EndDialog
CreateDialogIndirectParamW
IsDialogMessageW
SetWindowTextW
IsWindowEnabled
CheckDlgButton
SetDlgItemTextW
MoveWindow
ShowWindow
GetMonitorInfoW
MonitorFromWindow
WinHelpW
GetScrollInfo
SetScrollInfo
GetWindow
GetLastActivePopup
GetTopWindow
GetClassNameW
GetClassLongW
SetWindowLongW
GetWindowLongW
PtInRect
EqualRect
CopyRect
MapWindowPoints
ScreenToClient
AdjustWindowRectEx
GetWindowRect
GetWindowTextLengthW
GetWindowTextW
RemovePropW
GetPropW
SetPropW
ShowScrollBar
GetScrollRange
SetScrollRange
GetScrollPos
SetScrollPos
ScrollWindow
RedrawWindow
GetForegroundWindow
SetActiveWindow
TrackPopupMenu
SetMenu
GetMenu
GetCapture
SetFocus
GetDlgCtrlID
GetDlgItem
EndDeferWindowPos
DeferWindowPos
BeginDeferWindowPos
SetWindowPlacement
GetWindowPlacement
SetWindowPos
DestroyWindow
IsChild
IsWindow
CreateWindowExW
GetClassInfoExW
GetClassInfoW
RegisterClassW
CallWindowProcW
DefWindowProcW
GetMessageTime
GetMessagePos
RegisterWindowMessageW
SetMenuItemInfoW
CreateMenu
SubtractRect
GetUpdateRect
IsClipboardFormatAvailable
TranslateMDISysAccel
DefMDIChildProcW
DefFrameProcW
DrawMenuBar
FrameRect
CharUpperBuffW
ModifyMenuW
SetMenuDefaultItem
CopyIcon
GetDoubleClickTime
SetClassLongW
LockWindowUpdate
SetCursorPos
DestroyAcceleratorTable
GetWindowDC
CreateAcceleratorTableW
GetMenuCheckMarkDimensions
SetMenuItemBitmaps
EnableMenuItem
CheckMenuItem
GetFocus
GetParent
SendDlgItemMessageA
UnhookWindowsHookEx
GetSystemMetrics
CharUpperW
CallNextHookEx
SetWindowsHookExW
GetCursorPos
ValidateRect
GetKeyState
GetActiveWindow
IsWindowVisible
PeekMessageW
TranslateMessage
RemoveMenu
AppendMenuW
InsertMenuW
GetMenuItemCount
GetMenuItemID
GetSubMenu
GetMenuState
GetMenuStringW
LoadCursorW
LoadBitmapW
GetDesktopWindow
GetClientRect
PostMessageW
DispatchMessageW
GetMessageW
UnregisterClassW
GetSysColor
DrawTextW
SetForegroundWindow
UpdateWindow
KillTimer
SetTimer
LoadIconW
EnableWindow
SendMessageW
MessageBoxW
PostQuitMessage

gdi32

MoveToEx
TextOutW
ExtTextOutW
SetMapMode
SetViewportExtEx
SetViewportOrgEx
SetWindowExtEx
SetWindowOrgEx
OffsetViewportOrgEx
OffsetWindowOrgEx
ScaleViewportExtEx
ScaleWindowExtEx
CombineRgn
CreateFontIndirectW
GetMapMode
SetRectRgn
DPtoLP
GetTextExtentPoint32W
GetTextMetricsW
GetRgnBox
CreatePalette
GetNearestPaletteIndex
GetPaletteEntries
GetSystemPaletteEntries
RealizePalette
CreateCompatibleBitmap
CreateDIBitmap
EnumFontFamiliesW
GetTextCharsetInfo
SetPixel
CreateDIBSection
SetDIBColorTable
CreateEllipticRgn
CreatePolygonRgn
Polygon
EnumFontFamiliesExW
OffsetRgn
CreateRoundRectRgn
RoundRect
FrameRgn
PtInRegion
SetPixelV
ExtFloodFill
SetPaletteEntries
FillRgn
GetBoundsRect
GetWindowOrgEx
LPtoDP
GetViewportOrgEx
GetTextFaceW
SetBkMode
SelectPalette
SetTextAlign
SetROP2
SetPolyFillMode
GetLayout
Ellipse
GetBkColor
SelectObject
ExtSelectClipRgn
SelectClipRgn
SaveDC
RestoreDC
RectVisible
PtVisible
LineTo
IntersectClipRect
GetWindowExtEx
GetViewportExtEx
GetStockObject
GetPixel
GetObjectType
GetClipBox
ExcludeClipRect
Escape
DeleteObject
DeleteDC
CreateSolidBrush
CreateRectRgn
CreatePatternBrush
CreatePen
CreateHatchBrush
BitBlt
PatBlt
CreateRectRgnIndirect
SetTextColor
SetBkColor
CreateBitmap
GetDeviceCaps
CreateDCW
CopyMetaFileW
Polyline
Rectangle
GetObjectW
StretchBlt
CreateCompatibleDC
GetTextColor
SetLayout

msimg32

AlphaBlend
TransparentBlt

winspool.drv

ClosePrinter
OpenPrinterW
DocumentPropertiesW

advapi32

RegEnumKeyExW
RegQueryValueW
RegEnumKeyW
RegSetValueExW
RegDeleteValueW
RegDeleteKeyW
RegCreateKeyExW
RegQueryValueExW
RegQueryInfoKeyW
RegOpenKeyExW
RegEnumValueW
RegCloseKey

shell32

SHAppBarMessage
SHGetFileInfoW
SHGetPathFromIDListW
SHGetSpecialFolderLocation
SHGetDesktopFolder
DragQueryFileW
DragFinish
ShellExecuteW
SHBrowseForFolderW

shlwapi

PathStripPathW
PathFileExistsW
PathIsUNCW
PathStripToRootW
PathFindExtensionW
PathFindFileNameW
PathRemoveFileSpecW
StrFormatKBSizeW

uxtheme

CloseThemeData
GetWindowTheme
GetThemeSysColor
GetThemePartSize
DrawThemeText
DrawThemeParentBackground
OpenThemeData
IsAppThemed
IsThemeBackgroundPartiallyTransparent
DrawThemeBackground
GetThemeColor
GetCurrentThemeName

ole32

CreateStreamOnHGlobal
OleUninitialize
OleInitialize
CoFreeUnusedLibraries
CreateILockBytesOnHGlobal
StgOpenStorageOnILockBytes
StgCreateDocfileOnILockBytes
CoGetClassObject
CoDisconnectObject
CoInitializeEx
CLSIDFromProgID
CLSIDFromString
CoCreateInstance
CoCreateGuid
CoUninitialize
ReleaseStgMedium
OleDuplicateData
CoRevokeClassObject
CoTaskMemFree
CoTaskMemAlloc
RevokeDragDrop
RegisterDragDrop
CoLockObjectExternal
OleGetClipboard
IsAccelerator
OleTranslateAccelerator
OleDestroyMenuDescriptor
OleCreateMenuDescriptor
OleLockRunning
DoDragDrop
CoRegisterMessageFilter
OleIsCurrentClipboard
OleFlushClipboard
CoInitialize

oleaut32

SysFreeString
OleCreateFontIndirect
VarBstrFromDate
VariantCopy
SafeArrayDestroy
SysStringLen
LoadTypeLi
SysAllocString
VariantTimeToSystemTime
SystemTimeToVariantTime
VariantClear
VariantInit
SysAllocStringLen
VariantChangeType

oledlg

OleUIBusyW

oleacc

CreateStdAccessibleObject
AccessibleObjectFromWindow
LresultFromObject

gdiplus

GdipSetInterpolationMode
GdipCreateFromHDC
GdipCreateBitmapFromHBITMAP
GdipDrawImageI
GdipDeleteGraphics
GdipBitmapUnlockBits
GdipBitmapLockBits
GdipCreateBitmapFromScan0
GdipCreateBitmapFromStream
GdipGetImagePaletteSize
GdipGetImagePalette
GdipGetImagePixelFormat
GdipGetImageHeight
GdipGetImageWidth
GdipGetImageGraphicsContext
GdipDisposeImage
GdipCloneImage
GdiplusStartup
GdipFree
GdipAlloc
GdiplusShutdown
GdipDrawImageRectI

imm32

ImmReleaseContext
ImmGetContext
ImmGetOpenStatus

winmm

PlaySoundW

Sections

.text
Size: 1.6MB - Virtual size: 1.6MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 498KB - Virtual size: 498KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 28KB - Virtual size: 62KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 655KB - Virtual size: 654KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 145KB - Virtual size: 144KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

abc69964c880673a42e583685b52e65f

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

gdi32

msimg32

winspool.drv

advapi32

shell32

shlwapi

uxtheme

ole32

oleaut32

oledlg

oleacc

gdiplus

imm32

winmm

Sections

.text Size: 1.6MB - Virtual size: 1.6MB

.rdata Size: 498KB - Virtual size: 498KB

.data Size: 28KB - Virtual size: 62KB

.rsrc Size: 655KB - Virtual size: 654KB

.reloc Size: 145KB - Virtual size: 144KB

.text
Size: 1.6MB - Virtual size: 1.6MB

.rdata
Size: 498KB - Virtual size: 498KB

.data
Size: 28KB - Virtual size: 62KB

.rsrc
Size: 655KB - Virtual size: 654KB

.reloc
Size: 145KB - Virtual size: 144KB