2024-05-31_ef7bdc70440c3c3831452d4aa74c78ed_bkransomware

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General

Target

2024-05-31_ef7bdc70440c3c3831452d4aa74c78ed_bkransomware
Size

952KB
MD5

ef7bdc70440c3c3831452d4aa74c78ed
SHA1

9411dc8683570cc00857f87357482c00b43f18de
SHA256

169abf6bc7461ecd075f62421afca73f98f1995e60e38a09699bbb6b4fac5e0f
SHA512

cd3769009f285e3ea8e7d7eb72101a149b0d245f832f6a9553812887c944ce31579408247196b9a75bfca62a9b87efa29587efa3c56ec9ccf88338611dfd3aaa
SSDEEP

12288:8X+sJ8yKGga8UTyPA0/Reotp1+vkV/sqrwh+aveIaiLm4vAI82e:y+sCx7NTY0/RyqkuL4vAI8Z

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-05-31_ef7bdc70440c3c3831452d4aa74c78ed_bkransomware

Files

2024-05-31_ef7bdc70440c3c3831452d4aa74c78ed_bkransomware
.exe windows:5 windows x86 arch:x86

bfbc73654e3128a1dc8a3bc7e630ebc9

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
InternetCloseHandle
HttpOpenRequestW
HttpQueryInfoW
InternetSetOptionW
HttpSendRequestW
InternetConnectW
InternetReadFile
InternetCanonicalizeUrlW

kernel32

GetUserDefaultLCID
FindClose
FindFirstFileW
FlushFileBuffers
GetFileSize
GetVolumeInformationW
LockFile
SetEndOfFile
SetFilePointer
UnlockFile
DuplicateHandle
GetThreadLocale
FileTimeToSystemTime
FileTimeToLocalFileTime
GetFileAttributesExW
GetFileSizeEx
SetErrorMode
GetFullPathNameW
IsDebuggerPresent
IsProcessorFeaturePresent
RtlUnwind
GetSystemInfo
VirtualAlloc
VirtualProtect
VirtualQuery
GetModuleHandleExW
AreFileApisANSI
HeapQueryInformation
GetStdHandle
GetFileType
GetStartupInfoW
QueryPerformanceCounter
GetEnvironmentStringsW
FreeEnvironmentStringsW
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetConsoleMode
ReadConsoleW
IsValidCodePage
GetOEMCP
GetCPInfo
GetStringTypeW
GetTimeZoneInformation
OutputDebugStringW
LCMapStringW
IsValidLocale
EnumSystemLocalesW
GetConsoleCP
SetFilePointerEx
SetStdHandle
WriteConsoleW
SetEnvironmentVariableA
GetFileTime
GlobalGetAtomNameW
LocalReAlloc
GlobalHandle
GlobalReAlloc
TlsFree
TlsSetValue
TlsGetValue
TlsAlloc
GetUserDefaultUILanguage
GetSystemDefaultUILanguage
CompareStringW
GlobalFlags
FormatMessageW
GetTickCount
WritePrivateProfileStringW
GetPrivateProfileStringW
GetPrivateProfileIntW
lstrcmpA
MulDiv
GlobalAlloc
GlobalFree
GlobalUnlock
GlobalLock
GlobalFindAtomW
GlobalAddAtomW
lstrcmpW
GlobalDeleteAtom
LoadLibraryExW
FreeResource
FreeLibrary
GetSystemDirectoryW
GetCurrentThreadId
EncodePointer
LoadLibraryA
GetModuleHandleA
SetLastError
OutputDebugStringA
GetACP
GetLongPathNameW
GetTempPathW
GetCurrentProcessId
GlobalMemoryStatusEx
IsWow64Process
LocalAlloc
GetProcAddress
GetVersionExW
ReadProcessMemory
GetLocaleInfoW
LoadLibraryW
GetCurrentThread
GetCurrentProcess
GetNativeSystemInfo
GetComputerNameA
WideCharToMultiByte
GetSystemTimeAsFileTime
CreateProcessW
GetFileAttributesW
CreateDirectoryExW
DeviceIoControl
GetDiskFreeSpaceW
GetLogicalDrives
GetDriveTypeW
MultiByteToWideChar
GetModuleHandleW
EnterCriticalSection
LeaveCriticalSection
InitializeCriticalSection
DeleteFileW
ReadFile
LocalFree
GetCommandLineW
CloseHandle
CreateToolhelp32Snapshot
Process32NextW
WaitForMultipleObjects
LockResource
Process32FirstW
ExitThread
CreateFileW
TerminateProcess
GetExitCodeProcess
SizeofResource
OpenProcess
WriteFile
WaitForSingleObject
InterlockedDecrement
InterlockedIncrement
LoadResource
FindResourceW
ExitProcess
GetModuleFileNameW
Sleep
DeleteCriticalSection
DecodePointer
HeapSize
GetLastError
RaiseException
InitializeCriticalSectionAndSpinCount
GetProcessHeap
HeapFree
HeapAlloc
HeapReAlloc
CreateThread

user32

GetNextDlgGroupItem
MessageBeep
PostThreadMessageW
InflateRect
GetMenuItemInfoW
DestroyMenu
GetSysColorBrush
RealChildWindowFromPoint
WindowFromPoint
EndPaint
BeginPaint
GetWindowDC
TabbedTextOutW
GrayStringW
DrawTextExW
DrawTextW
LoadMenuW
RegisterClipboardFormatW
TranslateMessage
GetMessageW
MapDialogRect
SetWindowContextHelpId
ShowOwnedPopups
PostQuitMessage
IsRectEmpty
OffsetRect
FillRect
ClientToScreen
GetCursorPos
SetWindowRgn
DrawIcon
KillTimer
SetTimer
ReleaseCapture
InvalidateRect
IsIconic
IsDialogMessageW
MoveWindow
GetDesktopWindow
GetActiveWindow
GetNextDlgTabItem
EndDialog
CreateDialogIndirectParamW
GetMonitorInfoW
MonitorFromWindow
WinHelpW
ReuseDDElParam
SetScrollInfo
CallNextHookEx
UnhookWindowsHookEx
SetWindowsHookExW
GetWindow
GetLastActivePopup
GetTopWindow
GetClassNameW
GetClassLongW
PtInRect
EqualRect
CopyRect
GetSysColor
ScreenToClient
MessageBoxW
AdjustWindowRectEx
GetWindowTextLengthW
ShowScrollBar
GetScrollRange
SetScrollRange
GetScrollPos
SetScrollPos
ScrollWindow
RedrawWindow
ValidateRect
SetForegroundWindow
GetForegroundWindow
SetActiveWindow
UpdateWindow
TrackPopupMenu
GetMenuItemCount
GetMenuItemID
GetSubMenu
SetMenu
GetMenu
GetCapture
GetKeyState
GetDlgCtrlID
IsWindowVisible
EndDeferWindowPos
DeferWindowPos
BeginDeferWindowPos
DestroyWindow
IsChild
GetClassInfoExW
GetClassInfoW
RegisterClassW
DefWindowProcW
GetMessageTime
GetMessagePos
PeekMessageW
DispatchMessageW
RegisterWindowMessageW
IsWindowEnabled
SetFocus
IsWindow
LoadBitmapW
SetMenuItemInfoW
GetMenuCheckMarkDimensions
SetMenuItemBitmaps
EnableMenuItem
CheckMenuItem
GetFocus
SendDlgItemMessageA
UnpackDDElParam
InsertMenuItemW
CreatePopupMenu
TranslateAcceleratorW
LoadAcceleratorsW
BringWindowToTop
CharNextW
CharUpperW
SetCursor
RemovePropW
SetRectEmpty
IntersectRect
SetRect
InvalidateRgn
CopyAcceleratorTableW
GetScrollInfo
LoadCursorW
LoadIconW
GetWindowRect
GetClientRect
SetPropW
GetWindowLongW
SetWindowLongW
SetWindowPos
ShowWindow
CreateWindowExW
GetPropW
CallWindowProcW
GetDC
SystemParametersInfoW
ReleaseDC
GetSystemMetrics
LoadStringW
wsprintfW
GetWindowTextW
GetDlgItem
SetWindowTextW
EnumWindows
SendMessageW
GetWindowThreadProcessId
PostMessageW
GetParent
EnableWindow
UnregisterClassW
MapWindowPoints
SetCapture

gdi32

TextOutW
ExtTextOutW
SetViewportExtEx
SetViewportOrgEx
SetWindowExtEx
SetWindowOrgEx
OffsetViewportOrgEx
ScaleViewportExtEx
CreateRectRgnIndirect
GetRgnBox
CreateCompatibleBitmap
GetBkColor
GetTextColor
GetMapMode
ScaleWindowExtEx
SetBkMode
ExtSelectClipRgn
SetMapMode
CreateCompatibleDC
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

comdlg32

GetSaveFileNameW

winspool.drv

ClosePrinter
OpenPrinterW
DocumentPropertiesW

advapi32

AllocateAndInitializeSid
RegEnumValueW
RegQueryValueW
RegEnumKeyW
RegDeleteValueW
RegCreateKeyExW
CheckTokenMembership
FreeSid
GetUserNameA
GetTokenInformation
OpenThreadToken
OpenProcessToken
RegSetValueExW
RegCloseKey
RegEnumKeyExW
RegOpenKeyExW
RegOpenCurrentUser
RegDeleteKeyW
RegQueryInfoKeyW
RegQueryValueExW

shell32

ShellExecuteExW
CommandLineToArgvW
SHGetFolderPathW
ShellExecuteW
DragFinish
DragQueryFileW

comctl32

InitCommonControlsEx

shlwapi

PathFindFileNameW
PathRemoveFileSpecW
PathIsUNCW
PathFindExtensionW
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

SafeArrayGetElemsize
OleCreateFontIndirect
SafeArrayDestroy
SafeArrayCreate
SafeArrayGetDim
LoadTypeLi
SafeArrayUnaccessData
SafeArrayAccessData
SafeArrayGetLBound
SafeArrayGetUBound
VariantTimeToSystemTime
SystemTimeToVariantTime
SysStringLen
VariantCopy
SysAllocString
VariantChangeType
VariantClear
SysFreeString
SysAllocStringLen
VariantInit

oledlg

OleUIBusyW

oleacc

CreateStdAccessibleObject
AccessibleObjectFromWindow
LresultFromObject

gdiplus

GdiplusShutdown

Sections

.text
Size: 585KB - Virtual size: 584KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 174KB - Virtual size: 174KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 15KB - Virtual size: 32KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 133KB - Virtual size: 133KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 43KB - Virtual size: 43KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

bfbc73654e3128a1dc8a3bc7e630ebc9

Headers

DLL Characteristics

File Characteristics

Imports

wininet

kernel32

user32

gdi32

comdlg32

winspool.drv

advapi32

shell32

comctl32

shlwapi

ole32

oleaut32

oledlg

oleacc

gdiplus

Sections

.text Size: 585KB - Virtual size: 584KB

.rdata Size: 174KB - Virtual size: 174KB

.data Size: 15KB - Virtual size: 32KB

.rsrc Size: 133KB - Virtual size: 133KB

.reloc Size: 43KB - Virtual size: 43KB

.text
Size: 585KB - Virtual size: 584KB

.rdata
Size: 174KB - Virtual size: 174KB

.data
Size: 15KB - Virtual size: 32KB

.rsrc
Size: 133KB - Virtual size: 133KB

.reloc
Size: 43KB - Virtual size: 43KB