2024-05-25_30ca9f9aeaa975dd550f3a31bbfee433_bkransomware

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General

Target

2024-05-25_30ca9f9aeaa975dd550f3a31bbfee433_bkransomware
Size

875KB
MD5

30ca9f9aeaa975dd550f3a31bbfee433
SHA1

983e7fb9d1599a10f3902a4da6eb411318fc00aa
SHA256

d2d2c0af81c0f00ed5cf9c6f9af9815724cddf4ce33c9613e6da4f75c0c2e381
SHA512

5b1bb6e88f5adf35d99730f7a8be0b8baa242b85fc407de59da1dde5fcbf294feba316e51c25e09adddd5f29bd976096bb7a43feb28b769825b0e4a5ee0e1ae8
SSDEEP

24576:UbvFcc7BUaMdqNA7ph24ZsBLMOCDZtG2Q:YFcZaMdJNOCDbG2Q

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-05-25_30ca9f9aeaa975dd550f3a31bbfee433_bkransomware

Files

2024-05-25_30ca9f9aeaa975dd550f3a31bbfee433_bkransomware
.exe windows:5 windows x86 arch:x86

31a62df0f532ef2fba107f1f6c4ab30c

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

SetEndOfFile
SetFilePointer
UnlockFile
DuplicateHandle
GetThreadLocale
FileTimeToSystemTime
FileTimeToLocalFileTime
GetFileAttributesExW
GetFileSizeEx
SetErrorMode
CreateThread
IsDebuggerPresent
IsProcessorFeaturePresent
RtlUnwind
VirtualAlloc
VirtualProtect
VirtualQuery
LockFile
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
GetVolumeInformationW
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
GetSystemInfo
LocalAlloc
GetVersionExW
GetLocaleInfoW
GetCurrentThread
GetCurrentProcess
GetComputerNameA
WideCharToMultiByte
GetSystemTimeAsFileTime
CreateProcessW
GetProcAddress
GetFileAttributesW
LoadLibraryW
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
GetModuleHandleExW

user32

PostThreadMessageW
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
ClientToScreen
GetCursorPos
SetWindowRgn
DrawIcon
KillTimer
SetTimer
ReleaseCapture
SetCapture
InvalidateRect
IsIconic
IsDialogMessageW
IsDlgButtonChecked
MoveWindow
GetMonitorInfoW
MonitorFromWindow
WinHelpW
GetScrollInfo
SetScrollInfo
MessageBeep
UnhookWindowsHookEx
SetWindowsHookExW
GetWindow
GetLastActivePopup
GetTopWindow
GetClassNameW
GetClassLongW
EqualRect
CopyRect
GetSysColor
MapWindowPoints
ScreenToClient
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
CheckMenuItem
GetNextDlgGroupItem
ReuseDDElParam
UnpackDDElParam
InsertMenuItemW
CreatePopupMenu
TranslateAcceleratorW
GetFocus
LoadAcceleratorsW
BringWindowToTop
CharNextW
CharUpperW
SetRectEmpty
IntersectRect
CallNextHookEx
SetRect
SendDlgItemMessageA
SetCursor
RemovePropW
LoadCursorW
LoadIconW
GetWindowRect
GetClientRect
SetPropW
GetWindowLongW
SetWindowLongW
SetWindowPos
ShowWindow
CreateWindowExW
MessageBoxW
GetPropW
CallWindowProcW
GetDC
SystemParametersInfoW
ReleaseDC
GetSystemMetrics
wsprintfW
GetWindowTextW
GetDlgItem
SetWindowTextW
SendMessageW
PostMessageW
UnregisterClassW
GetParent
EnableWindow
PtInRect
FillRect

gdi32

TextOutW
ExtTextOutW
SetViewportExtEx
SetViewportOrgEx
SetWindowExtEx
SetWindowOrgEx
OffsetViewportOrgEx
ScaleViewportExtEx
ScaleWindowExtEx
GetRgnBox
CreateCompatibleBitmap
GetBkColor
GetTextColor
GetMapMode
CreateRectRgnIndirect
SetBkMode
ExtSelectClipRgn
SetMapMode
BitBlt
SetBkColor
CreateBitmap
SetTextColor
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
DragQueryFileW
DragFinish
ShellExecuteW

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: 569KB - Virtual size: 569KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 169KB - Virtual size: 169KB

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: 53KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

31a62df0f532ef2fba107f1f6c4ab30c

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: 569KB - Virtual size: 569KB

.rdata Size: 169KB - Virtual size: 169KB

.data Size: 15KB - Virtual size: 49KB

.rsrc Size: 66KB - Virtual size: 65KB

.reloc Size: 54KB - Virtual size: 53KB

.text
Size: 569KB - Virtual size: 569KB

.rdata
Size: 169KB - Virtual size: 169KB

.data
Size: 15KB - Virtual size: 49KB

.rsrc
Size: 66KB - Virtual size: 65KB

.reloc
Size: 54KB - Virtual size: 53KB