Static task
static1
Behavioral task
behavioral1
Sample
2024-07-22_49cc93d6749501350da075e2594c9be7_bkransomware.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
2024-07-22_49cc93d6749501350da075e2594c9be7_bkransomware.exe
Resource
win10v2004-20240709-en
General
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Target
2024-07-22_49cc93d6749501350da075e2594c9be7_bkransomware
-
Size
880KB
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MD5
49cc93d6749501350da075e2594c9be7
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SHA1
bee32704f33e876a2f83668c8813af600e53fa16
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SHA256
206e8359257aa9743fa184f0b42b0cf8955776a534359546bc0d603c8979ea48
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SHA512
5ad83b0dd30d19ec5386dfd5bf03eb56bf15be527003ee75b4ce9ff8a42cdb9d30d230ede9180c437199d4aeeaf5e14f462d081cdfc6781ca4ee0497f1a2626f
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SSDEEP
24576:tOUv4uJRstZBL2fmHkqjlI48U0VAsSW0sI0:VLJatZdgmHk4lLzsI0
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-07-22_49cc93d6749501350da075e2594c9be7_bkransomware
Files
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2024-07-22_49cc93d6749501350da075e2594c9be7_bkransomware.exe windows:5 windows x86 arch:x86
b614bba1d773c497819894bb97197e9f
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
wininet
InternetOpenW
InternetCanonicalizeUrlW
InternetCloseHandle
HttpOpenRequestW
HttpQueryInfoW
InternetSetOptionW
HttpSendRequestW
InternetConnectW
InternetReadFile
kernel32
GetVolumeInformationW
LockFile
SetEndOfFile
SetFilePointer
UnlockFile
DuplicateHandle
GetThreadLocale
FileTimeToSystemTime
FileTimeToLocalFileTime
GetFileAttributesExW
GetFileSizeEx
SetErrorMode
CreateThread
IsDebuggerPresent
IsProcessorFeaturePresent
RtlUnwind
GetSystemInfo
VirtualAlloc
VirtualQuery
GetModuleHandleExW
AreFileApisANSI
HeapQueryInformation
GetStdHandle
GetFileType
GetStartupInfoW
QueryPerformanceCounter
GetEnvironmentStringsW
FreeEnvironmentStringsW
UnhandledExceptionFilter
SetUnhandledExceptionFilter
TerminateProcess
GetConsoleMode
ReadConsoleW
IsValidCodePage
GetOEMCP
GetCPInfo
GetStringTypeW
GetTimeZoneInformation
OutputDebugStringW
LCMapStringW
IsValidLocale
EnumSystemLocalesW
GetConsoleCP
SetFilePointerEx
SetStdHandle
WriteConsoleW
SetEnvironmentVariableA
GetFileSize
FlushFileBuffers
FindFirstFileW
FindClose
GetUserDefaultLCID
GetFullPathNameW
GetFileTime
GlobalGetAtomNameW
LocalReAlloc
GlobalHandle
GlobalReAlloc
TlsFree
TlsSetValue
TlsGetValue
TlsAlloc
GetUserDefaultUILanguage
GetSystemDefaultUILanguage
CompareStringW
GlobalFlags
FormatMessageW
GetCurrentProcessId
WritePrivateProfileStringW
GetPrivateProfileStringW
GetPrivateProfileIntW
lstrcmpA
MulDiv
GlobalAlloc
GlobalFindAtomW
GlobalAddAtomW
lstrcmpW
GlobalDeleteAtom
LoadLibraryExW
FreeLibrary
GetSystemDirectoryW
GetCurrentThreadId
EncodePointer
GlobalFree
GlobalUnlock
GlobalLock
FreeResource
LoadLibraryA
GetModuleHandleA
SetLastError
OutputDebugStringA
GetACP
GetLongPathNameW
GetTempPathW
GlobalMemoryStatusEx
IsWow64Process
LocalAlloc
GetProcAddress
GetVersionExW
GetLocaleInfoW
LoadLibraryW
GetCurrentThread
GetCurrentProcess
GetNativeSystemInfo
GetComputerNameA
WideCharToMultiByte
GetSystemTimeAsFileTime
CreateProcessW
GetFileAttributesW
CreateDirectoryExW
DeviceIoControl
MultiByteToWideChar
GetModuleHandleW
EnterCriticalSection
LeaveCriticalSection
InitializeCriticalSection
DeleteFileW
ReadFile
LocalFree
GetModuleFileNameW
GetCommandLineW
CloseHandle
WaitForMultipleObjects
LockResource
ExitThread
CreateFileW
SizeofResource
WriteFile
WaitForSingleObject
InterlockedDecrement
InterlockedIncrement
LoadResource
FindResourceW
ExitProcess
GetTickCount
DeleteCriticalSection
DecodePointer
HeapSize
GetLastError
RaiseException
Sleep
InitializeCriticalSectionAndSpinCount
GetProcessHeap
HeapFree
HeapAlloc
HeapReAlloc
VirtualProtect
user32
InvalidateRgn
CopyAcceleratorTableW
InflateRect
GetMenuItemInfoW
DestroyMenu
GetSysColorBrush
RealChildWindowFromPoint
WindowFromPoint
EndPaint
BeginPaint
GetWindowDC
TabbedTextOutW
GrayStringW
DrawTextExW
DrawTextW
LoadMenuW
RegisterClipboardFormatW
TranslateMessage
GetMessageW
MapDialogRect
SetWindowContextHelpId
GetWindowThreadProcessId
ShowOwnedPopups
PostQuitMessage
IsRectEmpty
OffsetRect
FillRect
GetCursorPos
SetWindowRgn
DrawIcon
KillTimer
SetTimer
ReleaseCapture
SetCapture
InvalidateRect
IsIconic
IsDialogMessageW
MoveWindow
GetMonitorInfoW
MonitorFromWindow
WinHelpW
GetScrollInfo
SetScrollInfo
CallNextHookEx
PostThreadMessageW
SetWindowsHookExW
GetWindow
GetLastActivePopup
GetTopWindow
GetClassNameW
GetClassLongW
PtInRect
CopyRect
GetSysColor
MapWindowPoints
ScreenToClient
MessageBoxW
AdjustWindowRectEx
GetWindowTextLengthW
ShowScrollBar
GetScrollRange
SetScrollRange
GetScrollPos
SetScrollPos
ScrollWindow
RedrawWindow
ValidateRect
SetForegroundWindow
GetForegroundWindow
UpdateWindow
TrackPopupMenu
GetMenuItemCount
GetMenuItemID
GetSubMenu
SetMenu
GetMenu
GetCapture
GetKeyState
GetDlgCtrlID
IsWindowVisible
EndDeferWindowPos
DeferWindowPos
BeginDeferWindowPos
IsChild
GetClassInfoExW
GetClassInfoW
RegisterClassW
DefWindowProcW
GetMessageTime
GetMessagePos
PeekMessageW
DispatchMessageW
GetDesktopWindow
SetActiveWindow
GetActiveWindow
GetNextDlgTabItem
EndDialog
CreateDialogIndirectParamW
DestroyWindow
RegisterWindowMessageW
IsWindowEnabled
SetFocus
IsWindow
LoadBitmapW
SetMenuItemInfoW
GetMenuCheckMarkDimensions
SetMenuItemBitmaps
EnableMenuItem
MessageBeep
GetNextDlgGroupItem
ReuseDDElParam
UnpackDDElParam
InsertMenuItemW
CreatePopupMenu
TranslateAcceleratorW
CheckMenuItem
GetFocus
LoadAcceleratorsW
BringWindowToTop
CharNextW
CharUpperW
SetRectEmpty
IntersectRect
UnhookWindowsHookEx
SetRect
SendDlgItemMessageA
SetCursor
RemovePropW
LoadCursorW
LoadIconW
GetWindowRect
GetClientRect
SetPropW
GetWindowLongW
SetWindowLongW
SetWindowPos
ShowWindow
CreateWindowExW
GetPropW
CallWindowProcW
GetDC
SystemParametersInfoW
ReleaseDC
GetSystemMetrics
wsprintfW
GetWindowTextW
GetDlgItem
SetWindowTextW
SendMessageW
PostMessageW
UnregisterClassW
GetParent
EnableWindow
EqualRect
ClientToScreen
gdi32
TextOutW
ExtTextOutW
SetViewportExtEx
SetViewportOrgEx
SetWindowExtEx
SetWindowOrgEx
OffsetViewportOrgEx
ScaleViewportExtEx
ScaleWindowExtEx
GetRgnBox
CreateCompatibleBitmap
GetBkColor
GetTextColor
GetMapMode
CreateRectRgnIndirect
SetBkMode
ExtSelectClipRgn
SetMapMode
BitBlt
SetTextColor
SetBkColor
CreateBitmap
GetStockObject
GetObjectW
GetTextExtentPoint32W
GetTextMetricsW
CreateFontIndirectW
DeleteObject
SelectObject
SaveDC
RestoreDC
RectVisible
PtVisible
GetWindowExtEx
GetViewportExtEx
GetPixel
GetDeviceCaps
GetClipBox
Escape
CreateSolidBrush
CreatePatternBrush
LPtoDP
CreateDIBSection
Ellipse
DeleteDC
CreateEllipticRgn
CreateCompatibleDC
comdlg32
GetSaveFileNameW
winspool.drv
ClosePrinter
OpenPrinterW
DocumentPropertiesW
advapi32
OpenProcessToken
RegEnumValueW
RegQueryValueW
RegEnumKeyW
RegDeleteValueW
GetUserNameA
GetTokenInformation
OpenThreadToken
RegCreateKeyExW
RegEnumKeyExW
RegOpenCurrentUser
RegDeleteKeyW
RegQueryInfoKeyW
CheckTokenMembership
FreeSid
AllocateAndInitializeSid
RegSetValueExW
RegCloseKey
RegOpenKeyExW
RegQueryValueExW
shell32
SHCreateDirectoryExW
ShellExecuteExW
CommandLineToArgvW
SHGetFolderPathW
DragQueryFileW
ShellExecuteW
DragFinish
comctl32
InitCommonControlsEx
shlwapi
PathFindExtensionW
PathFindFileNameW
PathRemoveFileSpecW
PathIsUNCW
PathFileExistsW
PathStripToRootW
ole32
CoRevokeClassObject
CreateILockBytesOnHGlobal
StgOpenStorageOnILockBytes
StgCreateDocfileOnILockBytes
CoGetClassObject
CoDisconnectObject
CoTaskMemAlloc
OleUninitialize
OleInitialize
CoFreeUnusedLibraries
CLSIDFromProgID
CLSIDFromString
CoCreateGuid
OleDraw
CreateStreamOnHGlobal
CoTaskMemFree
CoInitializeEx
CoInitializeSecurity
CoInitialize
CoUninitialize
CoCreateInstance
OleFlushClipboard
OleIsCurrentClipboard
CoRegisterMessageFilter
oleaut32
SafeArrayGetDim
SafeArrayDestroy
OleCreateFontIndirect
SafeArrayCreate
VariantTimeToSystemTime
LoadTypeLi
SafeArrayUnaccessData
SafeArrayAccessData
SafeArrayGetLBound
SafeArrayGetUBound
SafeArrayGetElemsize
SystemTimeToVariantTime
SysStringLen
VariantCopy
SysAllocString
VariantChangeType
VariantClear
SysFreeString
SysAllocStringLen
VariantInit
oledlg
OleUIBusyW
oleacc
CreateStdAccessibleObject
AccessibleObjectFromWindow
LresultFromObject
gdiplus
GdiplusShutdown
Sections
.text Size: 573KB - Virtual size: 572KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 171KB - Virtual size: 170KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 15KB - Virtual size: 49KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 66KB - Virtual size: 65KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 54KB - Virtual size: 54KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ